CN106424529B - The forging forming method of triangle aluminum alloy control arm - Google Patents
The forging forming method of triangle aluminum alloy control arm Download PDFInfo
- Publication number
- CN106424529B CN106424529B CN201611058647.5A CN201611058647A CN106424529B CN 106424529 B CN106424529 B CN 106424529B CN 201611058647 A CN201611058647 A CN 201611058647A CN 106424529 B CN106424529 B CN 106424529B
- Authority
- CN
- China
- Prior art keywords
- forging
- passage
- roll
- roll forging
- offsetting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K7/00—Making railway appurtenances; Making vehicle parts
- B21K7/12—Making railway appurtenances; Making vehicle parts parts for locomotives or vehicles, e.g. frames, underframes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J1/00—Preparing metal stock or similar ancillary operations prior, during or post forging, e.g. heating or cooling
- B21J1/04—Shaping in the rough solely by forging or pressing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J1/00—Preparing metal stock or similar ancillary operations prior, during or post forging, e.g. heating or cooling
- B21J1/06—Heating or cooling methods or arrangements specially adapted for performing forging or pressing operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/02—Dies or mountings therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/02—Die forging; Trimming by making use of special dies ; Punching during forging
- B21J5/027—Trimming
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention discloses a kind of forging forming methods of triangle aluminum alloy control arm, it is intended to and overcome product quality of the existing technology low, the problem of stock utilization is low and low production efficiency, step：1. blanking；2. blank heating：Blank in step 1 is heated in induction furnace, heating temperature is 420~480 DEG C, keeps the temperature 5~8min so that blank heating is uniform, and forging is completed post-dynamic recrystallization and completed, and forms uniform tissue；3. rollforming：1) calculating passes n, 2) rollforming：Including (1) first passage rollforming to (4) four-pass rollformings；4. offset forming；5. press flat forming；6. blocking shapes；7. finish-forging shapes：Finish-forging forming is carried out on the basis of blocking shapes, finish-forging forming designs mold according to heat forging drawing, pre- forging is put into finish-forging die cavity, and the part of finish-forging forming is then obtained under the action of forcing press；8. forging shaping.
Description
Technical field
The present invention relates to a kind of forging methods of control arm, it more particularly relates to a kind of automobile triangle
The forging forming method of aluminum alloy control arm.
Background technology
Important component of the automobile control arm as automotive suspension, it is each to support force needed for wheel for transmitting, with
And bear whole stress in the front-back direction.It is the important safety part of chassis system, and desired strength is high in the design, reliability
It is good.Its fatigue strength is directly related to vehicle and the safety of occupant.It is generally necessary to carry out laboratory bench experiment to ensure it
Reach the life requirement of design.In this way, suitable test load, the cycle-index of experiment and load mode, for can be true
Reflect the durability of control arm on the spot and ensures that can it reach the requirement of design in actual road test and just become extremely important.
The structure of control arm is divided into single control arm, forked control arm and triangle control arm.The arm body of single control arm is one
A straight or curved rod-like structure, this class formation are mainly used for multi-link lever suspension fork, and one end is embedded in flexural pivot, is connect with wheel hub, separately
One end is pressed bushing, is connected with subframe or vehicle body.Two single control arms are used cooperatively, can transmit transverse direction from wheel and
Longitudinal loading.Forked control arm belongs to double bushing, lists for the upper underarm of double cross arm independent suspension or the underarm of McPherson suspension
The free end of spherical hinge structure, fork (V) shape side is pressed bushing, is connected with subframe or vehicle body；Flexural pivot is inlaid in the tip of V-arrangement,
It is connect with wheel hub, the v-shaped structure of arm body mainly transmits transverse load.Triangle control arm is chiefly used under front overhang McPherson suspension
Arm controls the relative motion of wheel and vehicle body for transmitting horizontal and vertical load, there is double bushing list flexural pivots and double flexural pivot list linings
Two kinds of set.No matter which kind of control arm, the basic structure of arm body is similar, is all rod like parts, and bar is straight or curved, cross section
Various shapes, both ends include that the bush hole of press fitting bushing and the hemisphere of insert spherical shape hinge sleeve are cheated, two-sided along arm body length direction
It is additionally provided with loss of weight hole, the opening direction that bush hole and loss of weight are cheated is vertical with spherical shape hinge hole, permissible variation in dimension ± 1mm, top and bottom
It is connect for fillet between vertical plane.It is non-cutting machined surface in addition to bush hole, flexural pivot hole.Aluminum alloy control arm is mostly adopted
Use forging and molding.
Refering to fig. 1, steps are as follows for existing triangle control arm forging method：
1. blanking carries out sawing, blank using aluminum alloy extrusion section bar as raw material using the length of band mill on demand
For round bar；
2. heating, the round bar cut is placed in electric furnace and is heated, control heating temperature is 420~480
DEG C, the uniformity of heating temperature is ± 10 DEG C；
3. open die forging base, the material that will be heated, manually on pneumatic hammer according to triangular shaped carry out free forging,
The volume of three direction materials is set to obtain an equitable breakdown；
4. the good open die forging base of capacity distribution is put into forging and molding in mold cavity, using open type by preform die forging
Friction press or crank press can be used in forging die, equipment；
5. repair, the open die forging base of step 3 shaped when capacity distribution uneven, and surface irregularity, blank is pre-
Due to the inconsistent generation fold defect of both sides metal flow when shaping die forging, the polishing of the tools such as the folding hand grinding tool of generation is gone
Fall, obtains just forming blank；
6. the first forming blank after step 5 reparation is placed in electric furnace and heats by reheating, control heating
Temperature is 420~480 DEG C, and the uniformity of heating temperature is ± 10 DEG C；
7. forming die forging eventually, is put into forging and molding in finish-forging die cavity by the first forming blank handled through step 6, obtains
Finish-forging drip molding；
8. trimming is shaped using cold cut mode using the finish-forging that shaving die obtains step 7 using mechanical press
The overlap of part removes.
The forging and forming technology of this control arm has the following problems：
1. since triangle control arm is bigger in three ends direction span, shape is more complicated, utilizes free forger
Skill is easy that blank surface is made to generate folding, is locally not easy to be full of, and needs to increase renovation technique removal folding, so as to cause product
The low extension with the production time of quality, increases the production time；
2. since the degree of automation is not high, production efficiency is influenced；Again, electric furnace heating is unfavorable for controlling blank
Heating speed and heating uniformity, influence product shaping performance；
3. by the way of cold-trim(ming), product needs cooling a period of time trimming again, product system after shaping die forging eventually
It is discontinuous to make process, extends the production time, reduces production efficiency.
Invention content
Low the technical problem to be solved by the present invention is to overcome product quality of the existing technology, stock utilization is low
And the problem of low production efficiency, provide the triangle aluminium alloy that a kind of production efficiency is high and good product quality, production cost are low
The forging forming method of control arm.
In order to solve the above technical problems, the present invention adopts the following technical scheme that realization：The triangle aluminium alloy
The step of forging forming method of control arm, is as follows：
1) blanking；
2) blank heating；
3) rollforming；
4) offset forming；
The offsetting shapes：
(1) four-pass roll forging part is placed in offsetting lower die, four-pass roll forging part is made to be bonded with offsetting lower die；
(2) No. 1 offsetting upper molds and No. 2 offsetting upper molds move downwardly together, since fillet is arranged in offsetting lower die one end, when 1
Number offsetting upper mold drives four-pass roll forging part bare terminal end to be moved down and the other end along offsetting lower die profile when moving downward
It is fixed to realize the offsetting campaign of four-pass roll forging part, wherein No. 2 offsetting upper molds play the role of fixed, prevents in mistake
Four-pass forging occurs crooked during shifting；
It is 28~30mm that (3) four-pass forging upper surface in offsetting forming process, which moves down distance, and offset molding
Forging one end shape is basically unchanged afterwards, and the bare terminal end of four-pass forging is due to the interaction material hair by upper/lower die
Raw offset, according to offsetting the characteristics of drip molding, material flow dynamic circuit connectors of the 28~30mm apart from rear bare terminal end is managed, and meets post forming
It is required that；
5) press flat forming；
6) blocking shapes；
7) finish-forging shapes；
8) forging shaping.
Blanking described in technical solution refers to：
1) billet size calculates；
Be equal to respective cross-section product on forging according to the area in each section on blank has following formula plus the area of overlap
(1) shown in：
Aj=Ad+Af (1)
In formula：AjThe cross-sectional area of blank is calculated for any one place；
AdFor the cross-sectional area of corresponding forging；
AfFor the cross-sectional area of corresponding overlap；
It is round bar diameter D to take the diameter of section at maximum position；
According to the equal principle of volume, the length for finding out round bar is L；
2) it uses band mill to be cut to squeezing round bar, obtains diameter and the satisfactory blank of length.
Blank heating described in technical solution refers to：
The blank obtained in blanking step is heated in induction furnace, heating temperature is 420~480 DEG C,
Keep the temperature 5~8min so that blank heating is uniform, completes dynamic recrystallization, forms more uniform tissue.
Rollforming described in technical solution refers to：
1) passes n is calculated
Passes n is calculated using formula (2) and (3)：
In formula：
λpFor average tensile coefficient, aluminium alloy takes λp=1.6 are calculated；
In formula：F0For blank sectional area, F after blankingnFor roll forging back roller forging sectional area；
By the n=4 of triangle aluminum alloy control arm is calculated, using oval-rectangular-oval-rectangular type groove four
Passage roll-forging process shapes, and the forging roller radius of forging roll is 280mm；
2) rollforming
(1) first passage rollforming
Blank after the heating obtained in blank heating step is clamped into bare terminal end using manipulator, is sent into first of roll forging
In mold, upper and lower roll forging die, which rotates a circle, completes the roll forging for the first passage that blank is deformed from circular cross-section to elliptic cross-section,
The first passage roll forging part is obtained, wherein bare terminal end diameter remains unchanged；
(2) second passage rollformings
First passage roll forging part is moved to second station by roll forging manipulator, and clamp is by the first passage roll forging part around its axis
Line is rotated by 90 °, and is positioned with the second passage forge rolling die, and upper and lower roll forging die completes the second passage rollforming after rotating a circle, by the
The elliptic cross-section roll forging squarely section of a time roll forging part, wherein bare terminal end diameter remain unchanged, and obtain the second passage roller
Forging；
(3) third passage rollforming
Second passage roll forging part is moved to third station by roll forging manipulator, and clamp is by the second passage roll forging part around its axis
Line is rotated by 90 °, and is positioned with third passage forge rolling die, and upper and lower roll forging die completes third passage rollforming after rotating a circle, by the
The square-section roll forging ovalisation section of two passage roll forging parts, wherein bare terminal end diameter remain unchanged, and obtain third passage roller
Forging；
(4) four-pass rollformings
Third passage roll forging part is moved to the 4th station by roll forging manipulator, and clamp is by third passage roll forging part around its axis
Line is rotated by 90 °, and is positioned with four-pass forge rolling die, and upper and lower roll forging die completes four-pass rollforming, third after rotating a circle
The elliptic cross-section roll forging squarely section of passage roll forging part, wherein bare terminal end diameter remain unchanged, and obtain four-pass roll forging
Part.
Press flat forming described in technical solution refers to:
The part obtained in offsetting forming step is placed on and is flattened in lower mould bottom plate, wherein flattening lower die side plate, lateral spacing position
Motion block and positive limit motion block play the role of limit, prevent the offset of part during flattening, then flatten upper mold in forcing press
Under the action of move down, make part that 50~55mm be thinned, the main function of press flat forming step is to make to be clamped in rollforming
One end flatten at plane and ensure material flowing uniformity.
Blocking described in technical solution, which shapes, refers to:
Part after press flat forming is put into blocker, the position of press flat forming part is then adjusted, in upper and lower mould
Under the action of complete blocking forming, wherein since the effect of cleaver divider makes bare terminal end material in cleaver divider in blocking forming process
Under the action of to both sides flow, due to the effect of flash gutters and resistance ditch make material filling it is fuller, be finally swaged into blocking
Part.
Finish-forging described in technical solution, which shapes, refers to:
1) finish-forging forming is carried out on the basis of blocking shapes, finish-forging forming designs mold according to heat forging drawing；
2) pre- forging is put into finish-forging shaping dies cavity, then in the work for the forcing press for being equipped with finish-forging shaping dies
It is shaped with lower completion finish-forging, obtains finish-forging drip molding.
Forging shaping described in technical solution refers to:
Trimming carried out by the way of hot trimming to the part of finish-forging forming, trimming is by being equipped with the machinery pressure of shaving die
Power machine is completed, the product parts that the control of trimming temperature obtains after the completion of 450~480 DEG C, trimming-triangle aluminium alloy control
Arm.
Compared with prior art the beneficial effects of the invention are as follows：
1. the forging forming method of triangle aluminum alloy control arm of the present invention is completed using four-pass roll forging mode
The capacity distribution of blank, it is therefore prevented that blank generates fold defect in preform die forging, reduces reparing process, is effectively simplified
The production technology of product shortens the production time of product, improves the production efficiency of product；
2. the forging forming method of triangle aluminum alloy control arm of the present invention is made by offsetting and blocking process
The streamline forming of material is reasonable, it is therefore prevented that material flowing is uneven in control arm forging process, it is therefore prevented that material was not fully filled lacks
It falls into, obtained control arm quality is more excellent；
3. resistance ditch is set on the Preform Die of the forging forming method of triangle aluminum alloy control arm of the present invention,
On the one hand the resistance for increasing metal flow forces metal to be full of impression, on the other hand reduces overlap, increase material use
Rate, while cleaver divider is rationally set on Preform Die and further reduces manufacturing procedure so that material flowing is uniformly reasonable；
4. the forging forming method of triangle aluminum alloy control arm of the present invention uses extruded bars as raw material,
The pretreatment time for reducing raw material, shortens the total production time of product, improves production efficiency, while can improve raw material
Utilization rate, reduce manufacturing cost.Using electrical induction, the heating speed and heating uniformity of blank are improved, shortens product
Production time, improve the production efficiency of product；Blank thermally equivalent simultaneously, is conducive to the operation of subsequent processing, can guarantee production
The performance of product；
5. the forging forming method of triangle aluminum alloy control arm of the present invention is by the way of hot trimming, finished product is not
It needs cooling that trimming can be completed, the continuity eventually between forming die forging and trimming process is improved, when saving production
Between, improve the productivity of product；Hot trimming mode can improve product surface finish simultaneously.
6. the forging forming method of triangle aluminum alloy control arm of the present invention significantly increases the degree of automation, make
It must be greatly lowered the product shaping time.
Description of the drawings
The present invention will be further described below with reference to the drawings：
Fig. 1 is the process flow chart of the forging forming method of triangle aluminium alloy automobile control arm in the prior art；
Fig. 2 is the process flow chart of the forging forming method of triangle aluminum alloy control arm of the present invention；
Fig. 3 be triangle aluminum alloy control arm of the present invention forging forming method in the triangle control that finally shapes
The axonometric projection view of arm processed；
Fig. 3-a are the sectional view at Fig. 3 intermediate cam shape aluminum alloy control arms A-A；
Fig. 3-b are the sectional view at Fig. 3 intermediate cam shape aluminum alloy control arms B-B；
Fig. 3-c are the sectional view at Fig. 3 intermediate cam shape aluminum alloy control arms C-C；
Fig. 3-d are the sectional view at Fig. 3 intermediate cam shape aluminum alloy control arms D-D；
Fig. 3-e are the sectional view at Fig. 3 intermediate cam shape aluminum alloy control arms E-E；
Fig. 4-1 be triangle aluminum alloy control arm of the present invention forging forming method in blank after the blanking that uses
Front view；
Fig. 4-2 be triangle aluminum alloy control arm of the present invention forging forming method in blank after the blanking that uses
Left view；
Fig. 5-1 be triangle aluminum alloy control arm of the present invention forging forming method in after the first passage roll forging
The front view of the roll forging part arrived；
Fig. 5-2 be triangle aluminum alloy control arm of the present invention forging forming method in after the first passage roll forging
The left view of the roll forging part arrived；
Fig. 5-a are the sectional view at the first passage roll forging part A-A in Fig. 5-1；
Fig. 5-b are the sectional view at the first passage roll forging part B-B in Fig. 5-1；
Fig. 5-c are the sectional view at the first passage roll forging part C-C in Fig. 5-1；
Fig. 5-d are the sectional view at the first passage roll forging part D-D in Fig. 5-1；
Fig. 6-1 be triangle aluminum alloy control arm of the present invention forging forming method in after the second passage roll forging
The front view of the roll forging part arrived；
Fig. 6-2 be triangle aluminum alloy control arm of the present invention forging forming method in after the second passage roll forging
The left view of the roll forging part arrived；
Fig. 6-a are the sectional view at the second passage roll forging part A-A in Fig. 6-1；
Fig. 6-b are the sectional view at the second passage roll forging part B-B in Fig. 6-1；
Fig. 6-c are the sectional view at the second passage roll forging part C-C in Fig. 6-1；
Fig. 6-d are the sectional view at the second passage roll forging part D-D in Fig. 6-1；
Fig. 7-1 be triangle aluminum alloy control arm of the present invention forging forming method in after third passage roll forging
The front view of the roll forging part arrived；
Fig. 7-2 be triangle aluminum alloy control arm of the present invention forging forming method in after third passage roll forging
The left view of the roll forging part arrived；
Fig. 7-a are the sectional view at third passage roll forging part A-A in Fig. 7-1；
Fig. 7-b are the sectional view at third passage roll forging part B-B in Fig. 7-1；
Fig. 7-c are the sectional view at third passage roll forging part C-C in Fig. 7-1；
Fig. 7-d are the sectional view at third passage roll forging part D-D in Fig. 7-1；
Fig. 8-1 be triangle aluminum alloy control arm of the present invention forging forming method in after four-pass roll forging
The front view of the roll forging part arrived；
Fig. 8-2 be triangle aluminum alloy control arm of the present invention forging forming method in after four-pass roll forging
The left view of the roll forging part arrived；
Fig. 8-a are the sectional view at four-pass roll forging part A-A in Fig. 8-1；
Fig. 8-b are the sectional view at four-pass roll forging part B-B in Fig. 8-1；
Fig. 8-c are the sectional view at four-pass roll forging part C-C in Fig. 8-1；
Fig. 8-d are the sectional view at four-pass roll forging part D-D in Fig. 8-1；
Fig. 9-1 forms for offsetting lower die structure in the forging forming method of triangle aluminum alloy control arm of the present invention
Front view；
Fig. 9-2 is the sectional view at offsetting lower die A-A in Fig. 9-1；
Fig. 9-3 is the sectional view at offsetting lower die B-B in Fig. 9-1；
Figure 10-1 is No. 1 offsetting upper die structure in the forging forming method of triangle aluminum alloy control arm of the present invention
The front view of composition；
Figure 10-2 is the sectional view at offsetting upper mold A-A in Figure 10-1；
Figure 10-3 is No. 1 offsetting upper die structure in the forging forming method of triangle aluminum alloy control arm of the present invention
The upward view of composition；
Figure 11-1 is No. 2 offsetting upper die structures in the forging forming method of triangle aluminum alloy control arm of the present invention
The vertical view of composition；
Figure 11-2 is No. 2 offsetting upper die structures in the forging forming method of triangle aluminum alloy control arm of the present invention
The front view of composition；
Figure 11-3 is No. 2 offsetting upper die structures in the forging forming method of triangle aluminum alloy control arm of the present invention
The left view of composition；
Figure 12-1 is flattening upper die structure group in the forging forming method of triangle aluminum alloy control arm of the present invention
At front view；
Figure 12-2 is flattening upper die structure group in the forging forming method of triangle aluminum alloy control arm of the present invention
At vertical view；
Figure 13 is in offsetting and flattening process in the forging forming method of triangle aluminum alloy control arm of the present invention
The front view of mould structure composition；
Figure 14 is in offsetting and flattening process in the forging forming method of triangle aluminum alloy control arm of the present invention
The vertical view of mould structure composition；
Figure 15 is mold knot in flattening process in the forging forming method of triangle aluminum alloy control arm of the present invention
The left view of structure composition；
Figure 16 is mold knot in offsetting process in the forging forming method of triangle aluminum alloy control arm of the present invention
The partial sectional view of structure composition；
Figure 17-1 is upper mold in blocking process in the forging forming method of triangle aluminum alloy control arm of the present invention
The front view of structure composition；
Figure 17-2 is cross section view at upper mold A-A in Figure 17-1 blocking processes；
Figure 17-3 is cross section view at upper mold B-B in Figure 17-1 blocking processes；
Figure 18 is forging after offsetting process in the forging forming method of triangle aluminum alloy control arm of the present invention
Front view；
Figure 19 is forging after flattening process in the forging forming method of triangle aluminum alloy control arm of the present invention
Front view；
Figure 20-1 is forging after blocking process in the forging forming method of triangle aluminum alloy control arm of the present invention
Left view；
Figure 20-2 is forging after blocking process in the forging forming method of triangle aluminum alloy control arm of the present invention
Front view；
Figure 20-3 is A-A sectional views in Figure 20-2；
Figure 20-4 is B-B sectional views in Figure 20-2；
Figure 21-1 is sectional view at A-A in Figure 21-2；
Figure 21-2 is forging after finish-forging process in the forging forming method of triangle aluminum alloy control arm of the present invention
Front view；
In figure：No. 1.1 offsetting upper molds, No. 2.2 offsetting upper molds, 3. flattening upper molds, 4. cope plates, No. 5.1 guide sleeves, No. 6.1
Guide post, 7. lower templates, 8. flatten lower die side plate, and 9. flatten lower mould bottom plate, and 10. offsetting lower dies, No. 11.2 guide posts, No. 12.2 are led
It covers, 13. lateral spacing position motion blocks, 14. positive limit motion blocks, cleaver divider in 15. blocking upper molds, resistance ditch in 16. blocking upper molds.
Specific implementation mode
The present invention is explained in detail below in conjunction with the accompanying drawings：
One, introduces the structure composition of mold needed for each process：
1. billet size
Refering to Fig. 3 and Fig. 3-a to Fig. 3-e, respective cross-section product on forging is equal to according to the area in each section on blank and is added
The area of overlap has shown in following formula (1)：
Aj=Ad+Af (1)
In formula：AjThe cross-sectional area of blank is calculated for any one place；
AdFor the cross-sectional area of corresponding forging；
AfFor the cross-sectional area of corresponding overlap；
For the smooth flow of metal, the connection circular arc at the abrupt change of cross-section wants smooth excessive, is suitably put to fork-shaped rive place
Big blank dimension, since the production line uses automated production, in order to not influenced by blank rotation when ensureing robot feeding,
Each section of roll forging part all uses circular cross-section, therefore it is round bar diameter D, process afterwards to take the diameter of section at maximum position
Middle bare terminal end diameter remains unchanged, and according to the equal principle of volume, the length for finding out round bar is L, the wherein main view of round bar
Figure and left view are respectively as shown in Fig. 4-1 and Fig. 4-2；
2. roll forging die enabling structure
1) passes n
Passes n can be calculated using formula (2) and (3)：
In formula：
λpFor average tensile coefficient, aluminium alloy takes λp=1.6 are calculated；
In formula：F0For blank sectional area, F after blankingnFor roll forging back roller forging sectional area；
By the n=4 of triangle aluminum alloy control arm is calculated, therefore use four-pass roll forging；
2) roll forging die enabling structure
Original blank section is circle, and the axial length for the lengthening coefficient for reaching larger, elliptical slot is more larger than what is taken, oval
The blank of tee section is got well into rectangular type groove than the stability of round type groove, therefore using oval-rectangular-oval-rectangular
Type groove structure, and can ensure the stability of following process, the lengthening coefficient of characteristic segments is calculated separately on chilling roller forging drawing,
It is respectively λ to obtain the lengthening coefficient of four-pass by the lengthening coefficient of correlation computations, experience and simulation each passage of reasonable distribution1、
λ2、λ3、λ4, the roll forging part shape of four-pass during roll forging is obtained, such as the front view and left view and 5-a of Fig. 5-1 to Fig. 8-2
The shape of forging and each characteristic cross-section that round bar obtains after four-pass roll forging die enabling roll forging is shown to the sectional view of 8-d
Shape.
3. offsetting mould structure
Offsetting process mould is made of three parts, and wherein the front view of the structure composition of offsetting lower die as shown in fig. 9-1, is schemed
9-2 and Fig. 9-3 is respectively the sectional view at A-A and B-B in Fig. 9-1；No. 1 offsetting upper mold front view is as shown in Figure 10-1, Figure 10-
2 be the sectional view at A-A in Figure 10-1, and Figure 10-3 is the upward view of No. 1 offsetting upper mold；No. 2 offsetting upper mold vertical view such as Figure 11-
Shown in 1, Figure 11-2 is No. 2 offsetting upper mold front views, and Figure 11-3 is No. 2 offsetting upper mold left views；Wherein No. 1 offsetting upper mold and 2
Number offsetting upper mold is fixed on cope plate 4, and offsetting lower die is fixed in lower template 7.
4. flattening mould structure：
It includes flattening upper mold 3 to flatten mold, flattens lower mould bottom plate 9, lateral spacing position motion block 13, under just limiting motion block 14 and flattening
Mould side plate 8 forms.The structure composition of upper mold 3 is wherein flattened as shown in Figure 12-1 and 12-2.Lateral spacing position motion block 13 just limits motion block
14 are fixed on lower die side plate 8 is flattened in flattening lower mould bottom plate 9, flatten upper mold 3 and are fixed on cope plate 4；
5. Preform Die structure
7-1 to 17-3 refering to fig. 1, Figure 17-1 show the front view of upper mold cavity structure shape in Preform Die, blocking
Mold includes upper die and lower die, and the planform of upper model cavity and lower die cavity is symmetrically the same；Arm configuration is controlled according to triangle
Feature, blocking die cavity need that resistance ditch and cleaver divider is arranged, and Figure 17-2 is the sectional view in Figure 17-1 at A-A, and Figure 17-3 is
Sectional view in Figure 17-1 at B-B, mark 15 is cleaver divider in Figure 17-1 to 17-3, wherein cleaver divider both ends radius of corner
R is 25~30mm, and it is resistance ditch to mark 16, wherein a diameter of 8~10mm of resistance ditch；
The step of forging forming method of two, triangle aluminum alloy control arms of the present invention, is as follows：
1. blanking
1) billet size calculates；
Refering to Fig. 3 and Fig. 3-a to Fig. 3-e, respective cross-section product on forging is equal to according to the area in each section on blank and is added
The area of overlap has shown in following formula (1)：
Aj=Ad+Af (1)
In formula：AjThe cross-sectional area of blank is calculated for any one place；
AdFor the cross-sectional area of corresponding forging；
AfFor the cross-sectional area of corresponding overlap；
It is round bar diameter D to take the diameter of section at maximum position；
According to the equal principle of volume, the length for finding out round bar is L；
2) it uses band mill to be cut to squeezing round bar, obtains diameter and the satisfactory blank of length；
2. blank heating
The blank that step 1 obtains is heated in induction furnace, heating temperature is protected between 420~480 DEG C
5~8min of temperature so that blank heating is uniform, completes dynamic recrystallization, forms more uniform tissue, the forgeability enabled aluminum alloy to
Preferably, the tissue of forging and performance are also better；
3. rollforming
1) passes n is calculated
Passes n is calculated using formula (2) and (3)：
In formula：
λpFor average tensile coefficient, aluminium alloy takes λp=1.6 are calculated；
In formula：F0For blank sectional area, F after blankingnFor roll forging back roller forging sectional area；
By the n=4 of triangle aluminum alloy control arm is calculated, using oval-rectangular-oval-rectangular type groove four
Passage roll-forging process shapes, and the forging roller radius of forging roll is 280mm；
2) rollforming
(1) first passage rollforming
Refering to Fig. 5-1 to 5-2 and Fig. 5-a to Fig. 5-d, the blank after heating that step 2 obtains is clamped using manipulator
Bare terminal end is sent into first of roll forging die enabling, and upper and lower roll forging die, which rotates a circle, completes blank from circular cross-section to elliptic cross-section
The roll forging of first passage of deformation, that is, obtain the first passage roll forging part, wherein bare terminal end diameter remains unchanged；
(2) second passage rollformings
Refering to Fig. 6-1 to 6-2 and Fig. 6-a to Fig. 6-d, the first passage roll forging part is moved to second work by roll forging manipulator
First passage roll forging part is rotated about the axis thereof 90 ° by position, clamp, is positioned with the second passage forge rolling die, upper and lower roll forging die rotation one
The second passage rollforming is completed after week, by the elliptic cross-section roll forging squarely section of the first passage roll forging part, wherein being clamped
End diameter remains unchanged, and obtains the second passage roll forging part；
(3) third passage rollforming
Refering to Fig. 7-1 to 7-2 and Fig. 7-a to Fig. 7-d, the second passage roll forging part is moved to third work by roll forging manipulator
Second passage roll forging part is rotated about the axis thereof 90 ° by position, clamp, is positioned with third passage forge rolling die, upper and lower roll forging die rotation one
Third passage rollforming is completed after week, by the square-section roll forging ovalisation section of the second passage roll forging part, wherein being clamped
End diameter remains unchanged, and obtains third passage roll forging part；
(4) four-pass rollformings
Refering to Fig. 8-1 to 8-2 and Fig. 8-a to Fig. 8-d, third passage roll forging part is moved to the 4th work by roll forging manipulator
Third passage roll forging part is rotated about the axis thereof 90 ° by position, clamp, is positioned with four-pass forge rolling die, upper and lower roll forging die rotation one
Four-pass rollforming, the elliptic cross-section roll forging squarely section of third passage roll forging part, wherein bare terminal end are completed after week
Diameter remains unchanged, and obtains four-pass roll forging part；
4. offset forming
1) 3 and Figure 16 refering to fig. 1, is placed on four-pass roll forging part in offsetting lower die 10, makes four-pass roller first
Forging is bonded with offsetting lower die 10；
2) and then No. 1 offsetting upper mold 1 and No. 2 offsetting upper molds 2 move downwardly together, justify since 10 one end of offsetting lower die is arranged
Angle, driven when No. 1 offsetting upper mold 1 moves downward four-pass roll forging part bare terminal end moved down along offsetting lower die profile and
The other end be fixed to realize four-pass roll forging part offsetting campaign, wherein No. 2 offsetting upper molds 2 play the role of it is fixed,
Prevent four-pass forging generation during offsetting crooked；
3) it is 28~30mm that four-pass forging upper surface in offsetting forming process, which moves down distance, after the molding that offsets
Forging one end shape is basically unchanged, and the bare terminal end of four-pass forging is due to the interaction material generation by upper/lower die
Offset, according to offsetting the characteristics of drip molding, material flow dynamic circuit connectors of the 28~30mm apart from rear bare terminal end is managed, and meets wanting for post forming
It asks, the part drawing finally obtained is as shown in figure 18.
5. press flat forming
Refering to fig. 13 to Figure 15, in press flat forming process, the part that forming obtains that offsets is placed on and flattens lower mould bottom plate 9
On, wherein flattening lower die side plate 8, lateral spacing position motion block 13 and positive limit motion block 14 plays the role of limit, during preventing flattening
Then the offset of part is flattened upper mold 3 and is moved down under the action of forcing press, wherein 50~55mm is thinned in part, flattens work
The main function of sequence is the uniformity for making the one end being clamped in rollforming flatten into plane and ensureing material flowing, has been flattened
The part obtained after is as shown in figure 19.
6. blocking shapes
Blank after flattening is put into blocker, the position of press flat forming part is then adjusted, in the work of upper and lower mould
It is shaped with lower completion blocking, since the effect of cleaver divider so that bare terminal end material exists in rollforming wherein in blocking forming process
It is flowed to both sides under the action of cleaver divider, since the effect of flash gutters and resistance ditch makes material filling fuller, most throughout one's life
At pre- forging as shown in Figure 20-1 to 20-4.
7. finish-forging shapes
Finish-forging forming is carried out on the basis of blocking shapes, finish-forging forming designs mold according to heat forging drawing, pre- forging
It is put into finish-forging shaping dies cavity, finish-forging forming is then completed under the action of the forcing press of finish-forging shaping dies is installed,
The part of finish-forging forming is obtained as shown in Figure 20-1 to 20-2.
8. forging shaping
Trimming carried out by the way of hot trimming to the product of finish-forging forming, trimming is by being equipped with the machinery pressure of shaving die
Power machine is completed, and trimming temperature is controlled at 450~480 DEG C, that is, completes the forging and molding of triangle aluminum alloy control arm, and trimming is completed
The part obtained afterwards-triangle aluminum alloy control arm is as shown in Figure 3.
Embodiment
1. blanking
Refering to Fig. 3 and Fig. 3-a to Fig. 3-e, respective cross-section product on forging is equal to according to the area in each section on blank and is added
The area of overlap has shown in following formula (1)：
Aj=Ad+Af (1)
In formula：AjThe cross-sectional area of blank is calculated for any one place；
AdFor the cross-sectional area of corresponding forging；
AfFor the cross-sectional area of corresponding overlap；According to triangle control arm respective cross-section size and setting overlap size, take
The diameter of section at maximum position is round bar diameter 115mm, and according to the equal principle of volume, the length for finding out round bar is
132mm is cut using band mill；
2. blank heating
The blank that step 1 obtains is heated in induction furnace, heating temperature keeps the temperature 6min, make to 450 DEG C
It is uniform to obtain blank heating, completes dynamic recrystallization, forms more uniform tissue, the forgeability enabled aluminum alloy to is preferable, forging
Tissue and performance are also better；
3. rollforming
1) passes n is calculated
Passes n is calculated using formula (2) and (3)：
In formula：
λpFor average tensile coefficient, aluminium alloy takes λp=1.6 are calculated；
In formula：F0For blank sectional area, F after blankingnFor roll forging back roller forging sectional area；
By the n=4 of triangle aluminum alloy control arm is calculated, using oval-rectangular-oval-rectangular type groove four
Passage roll-forging process shapes, and the forging roller radius of forging roll is 280mm；
2) rollforming
(1) first passage rollforming
Refering to Fig. 5-1 to 5-2 and Fig. 5-a to Fig. 5-d, the blank after heating that step 2 obtains is clamped using manipulator
Bare terminal end is sent into first of roll forging die enabling, and upper and lower roll forging die, which rotates a circle, completes blank from circular cross-section to elliptic cross-section
The roll forging of first passage of deformation, that is, obtain the first passage roll forging part, and wherein bare terminal end diameter remains unchanged, and obtains the first passage
Roll forging part, the length of roll forging part are 180.5mm, shape such as Fig. 5-1 to 5-2 and Fig. 5-a of the first passage roll forging part to Fig. 5-d institutes
Show；
(2) second passage rollformings
Refering to Fig. 6-1 to 6-2 and Fig. 6-a to Fig. 6-d, the first passage roll forging part is moved to second work by roll forging manipulator
First passage roll forging part is rotated about the axis thereof 90 ° by position, clamp, is positioned with the second passage forge rolling die, upper and lower roll forging die rotation one
The second passage rollforming is completed after week, by the elliptic cross-section roll forging squarely section of the first passage roll forging part, wherein being clamped
End diameter remains unchanged, and obtains the second passage roll forging part, the length of roll forging part is 218.3mm, the shape of the second passage roll forging part
As shown in Fig. 6-1 to 6-2 and Fig. 6-a to Fig. 6-d；
(3) third passage rollforming
Refering to Fig. 7-1 to 7-2 and Fig. 7-a to Fig. 7-d, the second passage roll forging part is moved to third work by roll forging manipulator
Second passage roll forging part is rotated about the axis thereof 90 ° by position, clamp, is positioned with third passage forge rolling die, upper and lower roll forging die rotation one
Third passage rollforming is completed after week, by the square-section roll forging ovalisation section of the second passage roll forging part, wherein being clamped
End diameter remains unchanged, and obtains third passage roll forging part, the length of roll forging part is 275.3mm, the shape of third passage roll forging part
As shown in Fig. 7-1 to 7-2 and Fig. 7-a to Fig. 7-d；
(4) four-pass rollformings
Refering to Fig. 8-1 to 8-2 and Fig. 8-a to Fig. 8-d, third passage roll forging part is moved to the 4th work by roll forging manipulator
Third passage roll forging part is rotated about the axis thereof 90 ° by position, clamp, is positioned with four-pass forge rolling die, upper and lower roll forging die rotation one
Four-pass rollforming, the elliptic cross-section roll forging squarely section of third passage roll forging part, wherein bare terminal end are completed after week
Diameter remains unchanged, and obtains four-pass roll forging part, the length of roll forging part is 320mm, and the shape of four-pass roll forging part is as schemed
Shown in 8-1 to 8-2 and Fig. 8-a to Fig. 8-d；
4. offset forming
1) 3 and Figure 16 refering to fig. 1, is placed on four-pass roll forging part in offsetting lower die 10, makes four-pass roller first
Forging is bonded with offsetting lower die 10,
2) and then No. 1 offsetting upper mold 1 and No. 2 offsetting upper molds 2 move downwardly together, justify since 10 one end of offsetting lower die is arranged
Angle drives four-pass roll forging part bare terminal end to be moved along offsetting lower die profile and another when No. 1 offsetting upper mold 1 moves downward
End is fixed to realize the offsetting campaign of four-pass roll forging part, wherein No. 2 offsetting upper molds 2 play the role of fixed, prevents
Four-pass roll forging part occurs crooked during offsetting；
3) it is 28mm that four-pass roll forging part upper surface in offsetting forming process, which moves down distance, is forged after the molding that offsets
Part one end shape is basically unchanged, and the bare terminal end of four-pass forging is inclined due to being occurred by the interaction material of upper/lower die
It moves, and the other end is held essentially constant, according to material flow dynamic circuit connectors of the 28~30mm apart from rear bare terminal end that offset the characteristics of drip molding
Reason, meets the requirement of post forming, finally so that the part drawing after bare terminal end forming is as shown in figure 18.
5. press flat forming
Refering to fig. 13 to Figure 15, in press flat forming process, the part that forming obtains that offsets is placed on and flattens lower mould bottom plate 9
On, wherein flattening lower die side plate 8, lateral spacing position motion block 13 and positive limit motion block 14 plays the role of limit, during preventing flattening
Then the offset of part is flattened upper mold 3 and is moved down under the action of forcing press, wherein 50mm is thinned in part, press flat forming
Main function is the uniformity for making the one end to offset flatten into plane and ensureing material flowing, what flattening obtained after the completion
Part is as shown in figure 19.
6. blocking shapes
Part after flattening is put into blocker, billet location is then adjusted, is completed under the action of upper and lower mould
The forming of blocking process, since the effect of cleaver divider so that bare terminal end material is being split in rollforming wherein in blocking forming process
Expect to flow to both sides under the action of platform, since the effect of flash gutters and resistance ditch makes material filling fuller, ultimately generate
Pre- forging as shown in Figure 20-1 to 20-4；
7. finish-forging shapes
Finish-forging forming is carried out on the basis of blocking shapes, finish-forging forming designs mold according to heat forging drawing, pre- forging
It is put into finish-forging shaping dies cavity, finish-forging forming step is then completed under the action of the forcing press of finish-forging shaping dies is installed
Suddenly, the part of finish-forging forming is obtained as shown in Figure 20-1 to 20-2.
8. forging shaping
Trimming carried out by the way of hot trimming to the product of finish-forging forming, trimming is by being equipped with the machinery pressure of shaving die
Power machine is completed, and trimming temperature is controlled at 450 DEG C, that is, completes the forging and molding of triangle aluminum alloy control arm, after the completion of trimming
The part arrived-triangle aluminum alloy control arm is as shown in Figure 3.
Claims (8)
1. a kind of forging forming method of triangle aluminum alloy control arm, which is characterized in that the triangle aluminium alloy control
The step of forging forming method of arm, is as follows：
1) blanking；
2) blank heating；
3) rollforming；
4) offset forming；
The offsetting shapes：
(1) four-pass roll forging part is placed in offsetting lower die (10), four-pass roll forging part is made to be pasted with offsetting lower die (10)
It closes；
(2) No. 1 offsetting upper molds (1) and No. 2 offsetting upper molds (2) move downwardly together, justify since offsetting lower die (10) one end is arranged
Angle drives four-pass roll forging part bare terminal end to be moved down along offsetting lower die profile when No. 1 offsetting upper mold (1) moves downward
And the other end is fixed to realize the offsetting campaign of four-pass roll forging part, wherein No. 2 offsetting upper molds (2) play fixed work
With preventing during offsetting four-pass forging to occur crooked；
It is 28~30mm that (3) four-pass forging upper surface in offsetting forming process, which moves down distance, is forged after the molding that offsets
Part one end shape is basically unchanged, and the other end of four-pass forging is inclined due to being occurred by the interaction material of upper/lower die
It moves, according to offsetting the characteristics of drip molding, material flow dynamic circuit connectors of the 28~30mm apart from rear bare terminal end is managed, and meets the requirement of post forming；
5) press flat forming；
6) blocking shapes；
7) finish-forging shapes；
8) forging shaping.
2. the forging forming method of triangle aluminum alloy control arm described in accordance with the claim 1, which is characterized in that under described
Material refers to：
1) billet size calculates；
Be equal to respective cross-section product on forging according to the area in each section on blank has following formula (1) plus the area of overlap
It is shown：
Aj=Ad+Af (1)
In formula：AjThe cross-sectional area of blank is calculated for any one place；
AdFor the cross-sectional area of corresponding forging；
AfFor the cross-sectional area of corresponding overlap；
It is round bar diameter D to take the diameter of section at maximum position；
According to the equal principle of volume, the length for finding out round bar is L；
2) it uses band mill to be cut to squeezing round bar, obtains diameter and the satisfactory blank of length.
3. the forging forming method of triangle aluminum alloy control arm described in accordance with the claim 1, which is characterized in that the base
Material heats：
The blank obtained in blanking step is heated in induction furnace, heating temperature is 420~480 DEG C, heat preservation 5
~8min completes dynamic recrystallization, forms uniform tissue.
4. the forging forming method of triangle aluminum alloy control arm described in accordance with the claim 1, which is characterized in that the roller
Being swaged into shape refers to：
1) passes n is calculated
Passes n is calculated using formula (2) and (3)：
In formula：
λpFor average tensile coefficient, aluminium alloy takes λp=1.6 are calculated；
In formula：F0For blank sectional area, F after blankingnFor roll forging back roller forging sectional area；
By the n=4 of triangle aluminum alloy control arm is calculated, using oval-rectangular-oval-rectangular type groove four-pass
Roll-forging process shapes, and the forging roller radius of forging roll is 280mm；
2) rollforming
(1) first passage rollforming
Blank after the heating obtained in blank heating step is clamped into bare terminal end using manipulator, is sent into first of roll forging die enabling
In, upper and lower roll forging die, which rotates a circle, completes the roll forging for the first passage that blank is deformed from circular cross-section to elliptic cross-section, that is, obtains
The first passage roll forging part is obtained, wherein bare terminal end diameter remains unchanged；
(2) second passage rollformings
First passage roll forging part is moved to second station by roll forging manipulator, and clamp revolves the first passage roll forging part around its axis
Turn 90 °, is positioned with the second passage forge rolling die, upper and lower roll forging die completes the second passage rollforming after rotating a circle, by first
The elliptic cross-section roll forging squarely section of secondary roll forging part, wherein bare terminal end diameter remain unchanged, and obtain the second passage roll forging part；
(3) third passage rollforming
Second passage roll forging part is moved to third station by roll forging manipulator, and clamp revolves the second passage roll forging part around its axis
Turn 90 °, positioned with third passage forge rolling die, upper and lower roll forging die completes third passage rollforming after rotating a circle, by second
The square-section roll forging ovalisation section of secondary roll forging part, wherein bare terminal end diameter remain unchanged, and obtain third passage roll forging part；
(4) four-pass rollformings
Third passage roll forging part is moved to the 4th station by roll forging manipulator, and clamp revolves third passage roll forging part around its axis
Turn 90 °, positioned with four-pass forge rolling die, upper and lower roll forging die completes four-pass rollforming, third passage after rotating a circle
The elliptic cross-section roll forging squarely section of roll forging part, wherein bare terminal end diameter remain unchanged, and obtain four-pass roll forging part.
5. the forging forming method of triangle aluminum alloy control arm described in accordance with the claim 1, which is characterized in that the pressure
Flat forming refers to:
The part obtained in offsetting forming step is placed on and is flattened in lower mould bottom plate (9), wherein flattening lower die side plate (8), lateral spacing
Position motion block (13) and positive limit motion block (14) play the role of limit, prevent the offset of part during flattening, and then flatten
Mould (3) moves down under the action of forcing press, makes part that 50~55mm be thinned, and the main function of press flat forming step is to make roller
The one end being clamped in shape is swaged into flatten into plane and ensure the uniformity of material flowing.
6. the forging forming method of triangle aluminum alloy control arm described in accordance with the claim 1, which is characterized in that described is pre-
Being swaged into shape refers to:
Part after press flat forming is put into blocker, the position of press flat forming part is then adjusted, in the work of upper and lower mould
It is shaped with lower completion blocking, since the effect of cleaver divider so that bare terminal end material exists in rollforming wherein in blocking forming process
It is flowed to both sides under the action of cleaver divider, since the effect of flash gutters and resistance ditch makes material fill fuller, most finish-forging
At pre- forging.
7. the forging forming method of triangle aluminum alloy control arm described in accordance with the claim 1, which is characterized in that the end
Being swaged into shape refers to:
1) finish-forging forming is carried out on the basis of blocking shapes, finish-forging forming designs mold according to heat forging drawing；
2) pre- forging is put into finish-forging shaping dies cavity, then under the action of the forcing press of finish-forging shaping dies is installed
Finish-forging forming is completed, finish-forging drip molding is obtained.
8. the forging forming method of triangle aluminum alloy control arm described in accordance with the claim 1, which is characterized in that the forging
Part shaping refers to:
Trimming carried out by the way of hot trimming to the part of finish-forging forming, trimming is by being equipped with the mechanical press of shaving die
It completes, product parts-triangle aluminum alloy control arm that the control of trimming temperature obtains after the completion of 450~480 DEG C, trimming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611058647.5A CN106424529B (en) | 2016-11-28 | 2016-11-28 | The forging forming method of triangle aluminum alloy control arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611058647.5A CN106424529B (en) | 2016-11-28 | 2016-11-28 | The forging forming method of triangle aluminum alloy control arm |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106424529A CN106424529A (en) | 2017-02-22 |
| CN106424529B true CN106424529B (en) | 2018-07-27 |
Family
ID=58218594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611058647.5A Active CN106424529B (en) | 2016-11-28 | 2016-11-28 | The forging forming method of triangle aluminum alloy control arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106424529B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110788263A (en) * | 2019-10-22 | 2020-02-14 | 江苏龙城精锻有限公司 | Manufacturing process of stainless steel oil rail forging |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108080547B (en) * | 2017-12-15 | 2019-05-14 | 清华大学 | A kind of long-axis forging prefabricated blank method and device |
| CN109940122B (en) * | 2019-03-26 | 2020-07-07 | 吉林大学 | Near-net forming method for split type axle box body of standard motor train unit |
| CN110328323A (en) * | 2019-08-15 | 2019-10-15 | 吉林大学 | A kind of car rear axle semi-axis forging and forming technology |
| CN112059100A (en) * | 2020-08-07 | 2020-12-11 | 沈阳中钛装备制造有限公司 | Sectional molding method of titanium alloy lower cross arm of automobile |
| CN112338117B (en) * | 2020-09-25 | 2022-08-19 | 沈阳中钛装备制造有限公司 | Method for manufacturing titanium alloy lower cross arm and used die |
| CN112091139B (en) * | 2020-09-27 | 2024-04-19 | 中车资阳机车有限公司 | Combined die forging process for automobile cross arm and blank type |
| CN112893729A (en) * | 2021-01-15 | 2021-06-04 | 南昌航空大学 | Method for forging branch type forge piece |
| CN113894243A (en) * | 2021-12-10 | 2022-01-07 | 宁波旭升汽车技术股份有限公司 | Short-process forging process for automobile chassis forge piece |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102248118A (en) * | 2011-04-14 | 2011-11-23 | 大连大高阀门有限公司 | Die and process for forging high-speed railway substrate |
| CN103357805A (en) * | 2013-06-30 | 2013-10-23 | 贵州安大航空锻造有限责任公司 | Method for forging formation of pin track |
| CN104289647A (en) * | 2014-08-13 | 2015-01-21 | 北京机电研究所 | Multi-directional extrusion preforming method for complex aluminum alloy control arm forge piece |
| CN105710268A (en) * | 2016-04-01 | 2016-06-29 | 中信戴卡股份有限公司 | Die for forging production of aluminum alloy control arms |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002346686A (en) * | 2001-05-17 | 2002-12-03 | Nissan Motor Co Ltd | Method for roll forging of axis-like member and device for roll forging |
-
2016
- 2016-11-28 CN CN201611058647.5A patent/CN106424529B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102248118A (en) * | 2011-04-14 | 2011-11-23 | 大连大高阀门有限公司 | Die and process for forging high-speed railway substrate |
| CN103357805A (en) * | 2013-06-30 | 2013-10-23 | 贵州安大航空锻造有限责任公司 | Method for forging formation of pin track |
| CN104289647A (en) * | 2014-08-13 | 2015-01-21 | 北京机电研究所 | Multi-directional extrusion preforming method for complex aluminum alloy control arm forge piece |
| CN105710268A (en) * | 2016-04-01 | 2016-06-29 | 中信戴卡股份有限公司 | Die for forging production of aluminum alloy control arms |
Non-Patent Citations (1)
| Title |
|---|
| 铝合金控制臂等温锻造工艺与微观组织数值模拟;曹甫;《中国优秀硕士学位论文全文数据库工程科技I辑》;20161115;第16-20、36-39、47页 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110788263A (en) * | 2019-10-22 | 2020-02-14 | 江苏龙城精锻有限公司 | Manufacturing process of stainless steel oil rail forging |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106424529A (en) | 2017-02-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106424529B (en) | The forging forming method of triangle aluminum alloy control arm | |
| CN108580778B (en) | Forging method of thin-wall deep-cavity airplane hub die forging | |
| CN102274890B (en) | Bending die, and apparatus and method for manufacturing automotive suspension arm using the same | |
| CN111496050B (en) | Cold-hot composite stamping forming device and stamping method for aluminum alloy plate | |
| CN102500740A (en) | Manufacturing process for lambdoidal control arm | |
| CN111745121B (en) | High-formability forging method and device for magnesium alloy hub | |
| CN109047356A (en) | A kind of processing method of automobile drive axle differential axle casing | |
| CN102319867A (en) | Forging forming process for control arm | |
| CN102825208B (en) | Forging and forming process of aluminum alloy car control arm | |
| CN102672096A (en) | Precision die forging and shaping technical method for automobile steering knuckle rough type parts | |
| CN109093041B (en) | Composite steering knuckle die and process | |
| CN101564751A (en) | Technique for forging electric upsetting steel tie rod cap | |
| CN105478644A (en) | Free forging method for Y-shaped forge piece | |
| CN104384428B (en) | A kind of hollow wheel gear axis blank temperature finish forge forming method | |
| CN1785550A (en) | Forging method of soliding fork | |
| CN104259274A (en) | Molding equipment of automobile transverse stabilizer bar and molding method thereof | |
| CN110340273A (en) | A kind of forging method of aluminium alloy car control arm | |
| CN106623742A (en) | Efficient automobile hollowed-out front axle forging method | |
| CN109848664A (en) | A kind of automobile rear axle driven gear base forging forming method | |
| CN110961560B (en) | Forging method for one-time upsetting forming of large-height-diameter-ratio bar | |
| CN106925700B (en) | A kind of aluminum-alloy wheel larger ratio of height to diameter forging forming method | |
| CN109985989B (en) | Torsion beam type rear axle hollow stabilizer bar thermal expansion manufacturing equipment and manufacturing method thereof | |
| CN110328323A (en) | A kind of car rear axle semi-axis forging and forming technology | |
| CN107186149B (en) | One-die two-piece forging die and method for drill pipe joint | |
| CN104226703B (en) | A kind of method making automotive pull rod joint |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |