CN109746299A - A kind of wall thickness such as the truncated cone thin-wall part based on spherical surface spinning roller are without mould spin-on process - Google Patents
A kind of wall thickness such as the truncated cone thin-wall part based on spherical surface spinning roller are without mould spin-on process Download PDFInfo
- Publication number
- CN109746299A CN109746299A CN201910116671.7A CN201910116671A CN109746299A CN 109746299 A CN109746299 A CN 109746299A CN 201910116671 A CN201910116671 A CN 201910116671A CN 109746299 A CN109746299 A CN 109746299A
- Authority
- CN
- China
- Prior art keywords
- spherical surface
- spinning roller
- surface spinning
- drip molding
- main shaft
- 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.)
- Granted
Links
Landscapes
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
A kind of wall thickness such as the truncated cone thin-wall part based on spherical surface spinning roller are without mould spin-on process, step are as follows: by round slab clamping between cnc spinning machine main shaft and tail top, round slab, main shaft and the tail apical axis heart are overlapped, spherical surface spinning roller, round slab, main shaft and the tail apical axis heart are in same level, and spherical surface spinning roller axle center is parallel with main shaft；Control spherical surface spinning roller is moved along Z axis, contacts spherical arc top with round slab spinning surface, completes the starting positioning of spherical surface spinning roller Z-direction；Control spherical surface spinning roller moves along the x-axis, and completes spherical surface spinning roller X and positions to starting；Determine that final contact point is in the coordinate of mould pressing initial stage on spherical surface spinning roller；Determine that the X of final contact point is displaced drip molding to displacement and Z-direction on spherical surface spinning roller when completing all deformed；It will be in the system of the relevant parameter that determined input cnc spinning machine；Start cnc spinning machine, the processing program generated according to system executes the drip molding without mould spin-forming procedure, until round slab to be processed into truncated cone.
Description
Technical field
The invention belongs to sheet metal spin forming technique fields, more particularly to a kind of frustum of a cone based on spherical surface spinning roller
The wall thickness such as shape thin-wall part are without mould spin-on process.
Background technique
Mould pressing because its have the characteristics that efficiently, low cost, high stock utilization, be widely used in Aeronautics and Astronautics,
The industrial circles such as automobile.Since modern age rotary pressure technology comes out, mould pressing of the domestic and foreign scholars to conventional revolving parts
Many research work are carried out, by constantly improve, spinning process precise and stable Forming Theory in circular section has had very big hair
Exhibition.With the development of science and technology, about spin forming technique and theoretical research, it is deep into no core model mould pressing, and nothing
When core model spinning, workpiece is hanging, is acted in forming by spinning force, and it is usually all thinned for will lead to the wall thickness of workpiece, and
And the extremely difficult control of reduction.
Summary of the invention
In view of the problems of the existing technology, the present invention provides a kind of walls such as the truncated cone thin-wall part based on spherical surface spinning roller
Thickness is firstly introduced spherical surface spinning roller without mould spin-on process, while carrying out mould pressing with specific spinning roller path locus, can be effective
It makes up workpiece caused by no mould spinning to be thinned, realizes the wall thickness control without mould spinning, effectively improve product shaping uniformity,
It is flexible in product beforehand research and the manufacture of pilot stage that no mould rotary pressure technology can further be played, effectively promote no mould spinning skill
The application of art.
To achieve the goals above, the present invention adopts the following technical scheme: a kind of truncated cone based on spherical surface spinning roller is thin
The wall thickness such as wall pieces include the following steps: without mould spin-on process
Step 1: selecting a cnc spinning machine, by between the main shaft and tail top of round slab clamping to cnc spinning machine,
Guarantee that round slab, main shaft and the longitudinal center line of tail top three coincide；
Step 2: homemade spherical surface spinning roller is installed on cnc spinning machine, and the longitudinal edge edge of spherical surface spinning roller is machined with
It is smooth tangent transition between the main body spherical surface of rounded corner, rounded corner and spherical surface spinning roller；The height for adjusting spherical surface spinning roller, makes spherical surface
Spinning roller, round slab, main shaft and the longitudinal center line on tail top are in same level, and the axial centre of spherical surface spinning roller
Line is parallel with the longitudinal center line of main shaft；
Step 3: control spherical surface spinning roller is moved along Z axis, until the spherical arc top of spherical surface spinning roller and the spinning table of round slab
Face is in contact, and the contact point is denoted as to the Z-direction Initial fix of spherical surface spinning roller, and the Z-direction Initial fix of spherical surface spinning roller
Coordinate calculation formula is ZBCSR=-t0, in formula, ZBCSRFor the Z-direction starting point anchor point coordinate of spherical surface spinning roller, t0For round slab
Thickness；
Step 4: control spherical surface spinning roller moves along the x-axis, and the radial dimension maximum point of spherical surface spinning roller is denoted as X to starting
Anchor point, and the X of spherical surface spinning roller to the coordinate calculation formula of Initial fix be XBCSR=rS, wherein rS=(RS+δ)-(LB-
rB) tan β, in formula, XBCSRFor spherical surface spinning roller X to Initial fix coordinate, rSFor spherical surface spinning roller X to Initial fix and master
The vertical range of axis longitudinal center line, RSFor the radius of main shaft, δ is between the conical surface inflection point of drip molding and the minimum of the outerface of spindle
Gap, LBFor the axial width of spherical surface spinning roller, rBFor spherical surface spinning roller longitudinal edge along rounded corner radius, β be drip molding longitudinal section
Semi-cone angle；Then the X that will be calculatedBCSRIt inputs in the system of cnc spinning machine；
Step 5: determine spherical surface spinning roller and drip molding complete it is all deformed when spherical surface spinning roller on final contact point, and
Final contact point is in the coordinate of mould pressing initial stage on calculating spherical surface spinning roller, and its calculation formula is LT=RB-RB·sinβ+
t0And rT=RS+δ-LTTan β, in formula, LTFor Z-direction coordinate of the final contact point in the mould pressing initial stage on spherical surface spinning roller,
RBFor the radius of spherical surface spinning roller, β is the longitudinal section semi-cone angle of drip molding, t0For the thickness of round slab, rTFor on spherical surface spinning roller most
Terminating contact the mould pressing initial stage X to coordinate, RSThe radius of main shaft, δ are outside the conical surface inflection point and main shaft of drip molding
The minimum clearance on surface；Then the L that will be calculatedTAnd rTIt inputs in the system of cnc spinning machine；
Step 6: determine the X of drip molding final contact point on spherical surface spinning roller when completing all deformed to displacement and Z-direction position
It moves, its calculation formula is MA-X=RA-rTAnd MA-Z=MA-X/ tan β, in formula, MA-XFor drip molding complete it is all deformed when spherical surface
The X of final contact point is to displacement, R on spinning rollerAFor drip molding when completing all deformed final contact point and master on spherical surface spinning roller
The vertical range of axis longitudinal center line, rTFor contact point final on spherical surface spinning roller the mould pressing initial stage X to coordinate,
MA-ZFor the Z-direction displacement of drip molding final contact point on spherical surface spinning roller when completing all deformed, β is the longitudinal section half of drip molding
Cone angle；Then the M that will be calculatedA-XAnd MA-ZIt inputs in the system of cnc spinning machine；
Step 7: starting cnc spinning machine, the processing program generated according to system are executed without mould spin-forming procedure, until
Round slab is processed into the drip molding of truncated cone.
The spherical surface spinning roller is connected in the end of a shaft, and the longitudinal center line of spherical surface spinning roller and shaft coincides,
Two groups of thrust bearings are set in shaft, thrust bearing carries out axial limiting by nut, and shaft passes through thrust bearing and spinning roller
Mounting rack is connected, and spherical surface spinning roller has revolution freedom degree on spinning roller mounting rack.
Beneficial effects of the present invention:
The wall thickness such as the truncated cone thin-wall part based on spherical surface spinning roller of the invention are firstly introduced spherical surface rotation without mould spin-on process
Wheel, while mould pressing is carried out with specific spinning roller path locus, it can effectively make up workpiece caused by no mould spinning and subtract
It is thin, it realizes the wall thickness control without mould spinning, effectively improves product shaping uniformity, can further play no mould rotary pressure technology and exist
Product beforehand research and the manufacture of pilot stage are flexible, effectively promote the application of no mould rotary pressure technology.
Detailed description of the invention
Fig. 1 is round slab clamping schematic diagram；
Fig. 2 is round slab spin-forming procedure schematic diagram；
Fig. 3 is the portion I enlarged drawing in Fig. 2；
Fig. 4 is the structural schematic diagram of spherical surface spinning roller；
In figure, 1-main shaft, 2-tail tops, 3-round slabs, 4-spherical surface spinning rollers, 5-drip moldings, 6-shafts, 7-are pushed away
Power bearing, 8-nuts.
Specific embodiment
The present invention is described in further detail in the following with reference to the drawings and specific embodiments.
In the present embodiment, the model PS-CNCSXY-5 of cnc spinning machine, Siemens CNC system built in cnc spinning machine
System, the revolving speed of main shaft 1 are set as 200r/min；The outer diameter of round slab 3 is 100mm, and the plate thickness of round slab 3 is 2.05mm, circle
The material of shape slab 3 is 6061-O state aluminium alloy, and the initial cross sectional radius of circle of drip molding 5 is 25mm, the axial direction of drip molding 5
Depth is 16mm, and the longitudinal section semi-cone angle of drip molding 5 is 25 °.
A kind of wall thickness such as the truncated cone thin-wall part based on spherical surface spinning roller include the following steps: without mould spin-on process
Step 1: selecting a cnc spinning machine, by round slab 3 main shaft 1 of the clamping to cnc spinning machine as shown in Figure 1
Between tail top 2, guarantee round slab 3, the longitudinal center line of 2 three of main shaft 1 and tail top coincides；
Step 2: homemade spherical surface spinning roller 4 is installed on cnc spinning machine, and the longitudinal edge of spherical surface spinning roller 4 is along processing
There is rounded corner, is smooth tangent transition between rounded corner and the main body spherical surface of spherical surface spinning roller 4；The height for adjusting spherical surface spinning roller 4, makes
Spherical surface spinning roller 4, round slab 3, main shaft 1 and the longitudinal center line on tail top 2 four are in same level, and spherical surface spinning roller 4
Longitudinal center line it is parallel with the longitudinal center line of main shaft 1；
Step 3: control spherical surface spinning roller 4 is moved along Z axis, as shown in Figure 2,3, until the spherical arc top of spherical surface spinning roller 4 and circle
The spinning surface of shape slab 3 is in contact, and the contact point is denoted as to the Z-direction Initial fix of spherical surface spinning roller 4, and spherical surface spinning roller 4
Z-direction Initial fix coordinate calculation formula be ZBCSR=-t0, in formula, ZBCSRFor the Z-direction starting point anchor point of spherical surface spinning roller 4
Coordinate, t0For the thickness of round slab 3；
Step 4: control spherical surface spinning roller 4 moves along the x-axis, as shown in Figure 2,3, and the radial dimension of spherical surface spinning roller 4 is maximum
Point is denoted as X to Initial fix, and the X of spherical surface spinning roller 4 to the coordinate calculation formula of Initial fix be XBCSR=rS, wherein rS
=(RS+δ)-(LB-rB) tan β, in formula, XBCSRFor spherical surface spinning roller 4 X to Initial fix coordinate, rSFor spherical surface spinning roller 4 X to
The vertical range of Initial fix and 1 longitudinal center line of main shaft, RSFor the radius of main shaft 1, δ be drip molding 5 conical surface inflection point with
The minimum clearance of 1 outer surface of main shaft, LBFor the axial width of spherical surface spinning roller 4, rBFor spherical surface spinning roller 4 longitudinal edge along rounded corner
Radius, β are the longitudinal section semi-cone angle of drip molding 5；Then the X that will be calculatedBCSRIt inputs in the system of cnc spinning machine；
Step 5: as shown in Figure 2,3, the spherical surface spinning roller 4 of spherical surface spinning roller 4 and drip molding 5 when completing all deformed is determined
Upper final contact point, and coordinate of the final contact point in the mould pressing initial stage on spherical surface spinning roller 4 is calculated, its calculation formula is
LT=RB-RB·sinβ+t0And rT=RS+δ-LTTan β, in formula, LTIt is contact point final on spherical surface spinning roller 4 at the beginning of mould pressing
The Z-direction coordinate in stage beginning, RBFor the radius of spherical surface spinning roller 4, β is the longitudinal section semi-cone angle of drip molding 5, t0For the thickness of round slab 3
Degree, rTFor contact point final on spherical surface spinning roller 4 the mould pressing initial stage X to coordinate, RSThe radius of main shaft 1, δ are forming
The conical surface inflection point of part 5 and the minimum clearance of 1 outer surface of main shaft；Then the L that will be calculatedTAnd rTInput cnc spinning machine is
In system；
Step 6: as shown in Figure 2,3, the final contact point on spherical surface spinning roller 4 when completing all deformed of drip molding 5 is determined
X is to displacement and Z-direction displacement, and its calculation formula is MA-X=RA-rTAnd MA-Z=MA-X/ tan β, in formula, MA-XIt is completed for drip molding 5
When all deformed on spherical surface spinning roller 4 X of final contact point to displacement, RAFor drip molding 5 when completing all deformed spherical surface spinning roller 4
The vertical range of upper final contact point and 1 longitudinal center line of main shaft, rTIt is contact point final on spherical surface spinning roller 4 at the beginning of mould pressing
The X in stage beginning is to coordinate, MA-ZFor the Z-direction displacement of the final contact point on spherical surface spinning roller 4 when completing all deformed of drip molding 5, β
For the longitudinal section semi-cone angle of drip molding 5；Then the M that will be calculatedA-XAnd MA-ZIt inputs in the system of cnc spinning machine；
Step 7: starting cnc spinning machine, the processing program generated according to system are executed without mould spin-forming procedure, until
Round slab 3 is processed into the drip molding 5 of truncated cone, after actual measurement, the wall thickness range of drip molding 5 2.15mm~
2.40mm, wall thickness tolerance range have completely arrived at the requirement of equal wall thickness tolerances within 0.25mm.
As shown in figure 4, the spherical surface spinning roller 4 is connected in the end of a shaft 6, in the axial direction of spherical surface spinning roller 4 and shaft 6
Heart line coincides, and two groups of thrust bearings 7 are set in shaft 6, and thrust bearing 7 carries out axial limiting, shaft 6 by nut 8
It is connected by thrust bearing 7 with spinning roller mounting rack, spherical surface spinning roller 4 has revolution freedom degree on spinning roller mounting rack.
The scope of patent protection that scheme in embodiment is not intended to limit the invention, it is all without departing from carried out by the present invention etc.
Effect implements or change, is both contained in the scope of the patents of this case.
Claims (2)
1. a kind of wall thickness such as truncated cone thin-wall part based on spherical surface spinning roller are without mould spin-on process, it is characterised in that including walking as follows
It is rapid:
Step 1: selecting a cnc spinning machine, by between the main shaft and tail top of round slab clamping to cnc spinning machine, guarantees
The longitudinal center line of round slab, main shaft and tail top three coincides；
Step 2: homemade spherical surface spinning roller is installed on cnc spinning machine, and the longitudinal edge of spherical surface spinning roller falls along circle is machined with
It is smooth tangent transition between the main body spherical surface of angle, rounded corner and spherical surface spinning roller；The height for adjusting spherical surface spinning roller, revolves spherical surface
Wheel, round slab, main shaft and the longitudinal center line on tail top are in same level, and the longitudinal center line of spherical surface spinning roller
It is parallel with the longitudinal center line of main shaft；
Step 3: control spherical surface spinning roller is moved along Z axis, spherical arc top and the spinning surface phase of round slab until spherical surface spinning roller
It contacts, and the contact point is denoted as to the Z-direction Initial fix of spherical surface spinning roller, and the coordinate of the Z-direction Initial fix of spherical surface spinning roller
Calculation formula is ZBCSR=-t0, in formula, ZBCSRFor the Z-direction starting point anchor point coordinate of spherical surface spinning roller, t0For the thickness of round slab
Degree；
Step 4: control spherical surface spinning roller moves along the x-axis, and the radial dimension maximum point of spherical surface spinning roller is denoted as X and is positioned to starting
Point, and the X of spherical surface spinning roller to the coordinate calculation formula of Initial fix be XBCSR=rS, wherein rS=(RS+δ)-(LB-rB)tan
β, in formula, XBCSRFor spherical surface spinning roller X to Initial fix coordinate, rSIt is axial to Initial fix and main shaft for the X of spherical surface spinning roller
The vertical range of center line, RSFor the radius of main shaft, δ is the conical surface inflection point of drip molding and the minimum clearance of the outerface of spindle, LBFor
The axial width of spherical surface spinning roller, rBFor spherical surface spinning roller longitudinal edge along rounded corner radius, β be drip molding longitudinal section half cone
Angle；Then the X that will be calculatedBCSRIt inputs in the system of cnc spinning machine；
Step 5: spherical surface spinning roller and drip molding final contact point on the spherical surface spinning roller when completing all deformed are determined, and is calculated
Final contact point is in the coordinate of mould pressing initial stage on spherical surface spinning roller, and its calculation formula is LT=RB-RB·sinβ+t0And rT
=RS+δ-LTTan β, in formula, LTFor Z-direction coordinate of the final contact point in the mould pressing initial stage, R on spherical surface spinning rollerBFor
The radius of spherical surface spinning roller, β are the longitudinal section semi-cone angle of drip molding, t0For the thickness of round slab, rTFor most terminating on spherical surface spinning roller
Contact the mould pressing initial stage X to coordinate, RSThe radius of main shaft, δ are the conical surface inflection point and the outerface of spindle of drip molding
Minimum clearance；Then the L that will be calculatedTAnd rTIt inputs in the system of cnc spinning machine；
Step 6: determining that the X of final contact point is displaced drip molding to displacement and Z-direction on spherical surface spinning roller when completing all deformed,
Its calculation formula is MA-X=RA-rTAnd MA-Z=MA-X/ tan β, in formula, MA-XFor drip molding complete it is all deformed when spherical surface spinning roller
The X of upper final contact point is to displacement, RAFor drip molding when completing all deformed final contact point and spindle shaft on spherical surface spinning roller
To the vertical range of center line, rTFor contact point final on spherical surface spinning roller the mould pressing initial stage X to coordinate, MA-ZFor
The Z-direction displacement of drip molding final contact point on spherical surface spinning roller when completing all deformed, β is the longitudinal section semi-cone angle of drip molding；
Then the M that will be calculatedA-XAnd MA-ZIt inputs in the system of cnc spinning machine；
Step 7: starting cnc spinning machine, the processing program generated according to system are executed without mould spin-forming procedure, until that will justify
Shape slab is processed into the drip molding of truncated cone.
2. a kind of wall thickness such as truncated cone thin-wall part based on spherical surface spinning roller according to claim 1 are without mould spin-on process,
It is characterized by: the spherical surface spinning roller is connected in the end of a shaft, the longitudinal center line of spherical surface spinning roller and shaft coincides,
Two groups of thrust bearings are set in shaft, thrust bearing carries out axial limiting by nut, and shaft passes through thrust bearing and rotation
Wheel mounting rack is connected, and spherical surface spinning roller has revolution freedom degree on spinning roller mounting rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910116671.7A CN109746299B (en) | 2019-02-15 | 2019-02-15 | Spherical spinning wheel-based equal-wall-thickness die-free spinning method for frustum-shaped thin-wall part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910116671.7A CN109746299B (en) | 2019-02-15 | 2019-02-15 | Spherical spinning wheel-based equal-wall-thickness die-free spinning method for frustum-shaped thin-wall part |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109746299A true CN109746299A (en) | 2019-05-14 |
| CN109746299B CN109746299B (en) | 2020-03-24 |
Family
ID=66406613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910116671.7A Active CN109746299B (en) | 2019-02-15 | 2019-02-15 | Spherical spinning wheel-based equal-wall-thickness die-free spinning method for frustum-shaped thin-wall part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109746299B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110918748A (en) * | 2019-09-30 | 2020-03-27 | 西北工业大学 | Design method of ordinary spinning wheel path based on wrinkling defect consideration |
| CN112570488A (en) * | 2020-12-21 | 2021-03-30 | 燕山大学 | Spinning-reducing forming method of stepped pipe blank for small and medium-sized bulging forming automobile axle housing |
| CN112958682A (en) * | 2021-02-20 | 2021-06-15 | 沈阳航空航天大学 | Near-equal-thickness die-free spinning method for convex bus revolving body thin-walled part |
| WO2021120648A1 (en) * | 2019-12-20 | 2021-06-24 | 傲垦数控装备(苏州)有限公司 | Mandrel-free spinning process for fan accessory |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2816545A1 (en) * | 1978-04-17 | 1979-10-18 | Bernhard Rolf | Spin formed large spherical vessel - has forming roller mounted on swinging arm at centre of hemisphere during rotation in spinning lathe |
| CN201644627U (en) * | 2010-03-19 | 2010-11-24 | 西北工业大学 | Mouldless progressive forming tool |
| CN106424287A (en) * | 2016-12-22 | 2017-02-22 | 中南大学 | Stepwise precise spin-forming process method for large thin-wall dome |
| CN106984685A (en) * | 2017-05-29 | 2017-07-28 | 中南大学 | Large thin-wall spherical seal head without mould substep spin forming method |
| CN107838262A (en) * | 2017-12-25 | 2018-03-27 | 沈阳航空航天大学 | A kind of non-axis symmetry parts of thin-wall casing without mould spin forming method |
-
2019
- 2019-02-15 CN CN201910116671.7A patent/CN109746299B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2816545A1 (en) * | 1978-04-17 | 1979-10-18 | Bernhard Rolf | Spin formed large spherical vessel - has forming roller mounted on swinging arm at centre of hemisphere during rotation in spinning lathe |
| CN201644627U (en) * | 2010-03-19 | 2010-11-24 | 西北工业大学 | Mouldless progressive forming tool |
| CN106424287A (en) * | 2016-12-22 | 2017-02-22 | 中南大学 | Stepwise precise spin-forming process method for large thin-wall dome |
| CN106984685A (en) * | 2017-05-29 | 2017-07-28 | 中南大学 | Large thin-wall spherical seal head without mould substep spin forming method |
| CN107838262A (en) * | 2017-12-25 | 2018-03-27 | 沈阳航空航天大学 | A kind of non-axis symmetry parts of thin-wall casing without mould spin forming method |
Non-Patent Citations (1)
| Title |
|---|
| 贾震等: "一种灯饰外罩的剪切与拉深旋压组合工艺", 《宁波大学学报(理工版)》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110918748A (en) * | 2019-09-30 | 2020-03-27 | 西北工业大学 | Design method of ordinary spinning wheel path based on wrinkling defect consideration |
| WO2021120648A1 (en) * | 2019-12-20 | 2021-06-24 | 傲垦数控装备(苏州)有限公司 | Mandrel-free spinning process for fan accessory |
| CN112570488A (en) * | 2020-12-21 | 2021-03-30 | 燕山大学 | Spinning-reducing forming method of stepped pipe blank for small and medium-sized bulging forming automobile axle housing |
| CN112570488B (en) * | 2020-12-21 | 2022-06-10 | 燕山大学 | Spinning-reducing forming method of stepped pipe blank for small and medium-sized bulging forming automobile axle housing |
| CN112958682A (en) * | 2021-02-20 | 2021-06-15 | 沈阳航空航天大学 | Near-equal-thickness die-free spinning method for convex bus revolving body thin-walled part |
| CN112958682B (en) * | 2021-02-20 | 2022-07-08 | 沈阳航空航天大学 | Near-equal-thickness die-free spinning method for convex bus revolving body thin-walled part |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109746299B (en) | 2020-03-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109746299A (en) | A kind of wall thickness such as the truncated cone thin-wall part based on spherical surface spinning roller are without mould spin-on process | |
| CN109746300A (en) | It is a kind of based on spherical surface spinning roller frustum cylinder combination shape thin-wall part without mould spin-on process | |
| CN107552629B (en) | A kind of multistage depth cylinder depth circular cone combinatorial surface housing part spin forming method | |
| CN106514154B (en) | A kind of whole rotary press modelling method of crankshaft silicone oil damper case | |
| CN1730189A (en) | High precision spinning forming method for thin wall closing head with radius-thickness ratio less than three per mille | |
| CN111940858B (en) | Tool electrode for forming boss structure on surface of revolving body and method thereof | |
| CN104139280B (en) | The manufacturing process of hub for vehicle wheel | |
| CN105328109B (en) | Large-scale dish axle integral piece local continuous loading forming method | |
| CN105344872A (en) | Machining method of horn-shaped seal head | |
| CN106825378B (en) | A kind of H-type thin-walled diskware low load continuous and local incremental forming device and method | |
| CN112916706B (en) | General rotation processing method for thin-wall complex workpiece | |
| CN109622713B (en) | Room-temperature spinning forming method for nickel-based high-temperature alloy composite curved bus member difficult to deform | |
| CN107838262B (en) | A kind of non-axis symmetry parts of thin-wall casing without mould spin forming method | |
| CN112958682B (en) | Near-equal-thickness die-free spinning method for convex bus revolving body thin-walled part | |
| CN104607665A (en) | Follow-up turning device and method of thin-wall curved generatrix revolving part | |
| CN112916703A (en) | Outer ring constraint die-free deep cooling spinning forming method for aluminum alloy thin-wall curved surface part | |
| CN104741429B (en) | A kind of combination type spinning roller and the spin-on process of shaping shaped piece thereof | |
| CN106799423B (en) | The eccentric forming device and method of bowl-type thin-wall part | |
| CN112170606B (en) | Spinning method of thin-wall end socket with large depth-diameter ratio | |
| CN115178681A (en) | Method for integrally forming bottom of large-diameter deep-cavity ellipsoidal storage tank | |
| CN109794538A (en) | A kind of cylinder internal rolling manufacturing process with inner and outer ring reinforcing rib | |
| CN106925718A (en) | A kind of digitized manufacturing system method of casting wooden model | |
| CN206246468U (en) | Flange form Workpiece shaping prefabricated component | |
| CN203067561U (en) | Pressure welding structure of portal crane bearing support | |
| CN109794533A (en) | A kind of cylinder internal rolling manufacturing process with inner ring reinforcing rib |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |