CN106041427A - Production method of cylindrical forging - Google Patents
Production method of cylindrical forging Download PDFInfo
- Publication number
- CN106041427A CN106041427A CN201610489804.1A CN201610489804A CN106041427A CN 106041427 A CN106041427 A CN 106041427A CN 201610489804 A CN201610489804 A CN 201610489804A CN 106041427 A CN106041427 A CN 106041427A
- Authority
- CN
- China
- Prior art keywords
- reaming
- blank
- forging
- fire
- cylindrical
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention discloses a production method of a cylindrical forging. By the application of a free forging principle, the combination with a forging process of a circular forging and the cylindrical forging, and reaming and drawing of two rods, the cylindrical forging is produced by a forging press. An upper flat anvil, a lower flat anvil, a trestle, a turntable and a leaking plate are equipped on the forging press, a steel ingot of which the diameter of 500-800 mm and the length is 1.5-1.8 m is upset and rolled, upset and polished into cakes, punched, reamed, drawn and stripped from a rod repeatedly to obtain the through-hole cylindrical forging of which the length dimension is 1.3-2.0 times of the outside dimension. The outer diameter of the cylindrical forging is 750-850 mm, the pore diameter of the cylindrical forging is 400-500 mm, the length of the cylindrical forging is 1.2-1.8 m, an inner hole is flat and straight, and is regular in roundness, and an inner material is uniform. The purposes that the length dimension is larger than the outside dimension, and macro-aperture cylindrical forgings are produced in batch are realized.
Description
Technical field
The invention belongs to the production field of forging, be specifically related to the production method of a kind of cylindrical forged piece.
Background technology
40MN quick forging machine is gone into operation during the last ten years, and product and the kind of production are more, and changeable with demand, and conventional cylindrical is forged
Part is commonly used in civilian aspect, on the interface of gas, on the interface of water pipe, requires relatively low the most dimensionally, and aperture is less,
The length of forging is shorter, and the length dimension of usual forging is less than or equal to the outside dimension of forging, and it produces can be by base
Material is inserted directly into plug after punching, and carrying out pulling between upper and lower flat anvil can complete.
But, the demand of some special-shaped forge parts such as present stage cylindrical forged piece is increasing, arranges at space shuttle for using
Trachea, military cannon pipe, the through hole cylindrical forged piece of the medium particular/special requirement of deep water oil pipe, its performance and dimensional requirement are the highest, such as:
Aperture is relatively big, and length is longer, how these type of qualified products of output, increases economic efficiency, it appears the most urgent.
Utilize conventional cylindrical forged piece production method, it is difficult to produce and meet this type of forging required, in common tubular
In forging production process, when aperture requires less, directly by using length to meet the blank of final products requirement, it can be rushed
Hole, but, when being punched out, if charge length is oversize, the thickness i.e. needing punching is big, easily cause that punching is crooked, deformation not
Uniformly, difficult quality guarantee；And for wide-aperture steel part, although can empty according still further to demand by first producing pole
Core, but, the steel part inside and outside wall that this technique obtains is second-rate, corrosion-resistant.
Summary of the invention
It is an object of the invention to provide the production method of a kind of cylindrical forged piece, use flat-die forging principle, in conjunction with annular
And the Forging Technology of cylindrical forged piece, pulled out by two rod reamings, it is thus achieved that length dimension is outside dimension 1.3～the through hole of 2.0 times
Cylindrical forged piece, the external diameter of this through hole cylindrical forged piece is 750～850mm, and aperture is 400～500mm, and a length of 1.2～1.8m are interior
Hole is straight, and circularity is regular, and inner materials is uniform, successfully realize length dimension more than outside dimension, large aperture cylindrical forged piece batch
Amount produces.
In order to achieve the above object, the present invention provides following technical scheme:
The production method of a kind of cylindrical forged piece, produces with forging press, forging press be furnished with upper flat anvil, lower flat anvil, saddle support,
Rotating disk and drain cap, comprise the following steps:
1) upsetting pull
First fire: the Heating Steel Ingots of a diameter of 500～800mm, a length of 1.5～1.8m is warming up to 1150～1180
DEG C, it is incubated 1～1.5h, steel ingot carries out after coming out of the stove rolling cylindrical, more radially jumping-up, pulls out vertically, it is thus achieved that in the middle of the first fire
Blank, is melted down and is heated to 1150～1180 DEG C, is incubated 1.5～2h；Wherein, when carrying out jumping-up, under upper flat anvil upsetting 2～
3 times, jumping-up drafts is the 25～35% of steel ingot length, and pulling drafts is the 25～35% of steel ingot diameter；
Second fire: blank in the middle of the first fire after coming out of the stove is carried out jumping-up and pulling, and jumping-up drafts is in the middle of the first fire
The 20～30% of charge length, pulling drafts is the 20～30% of the first middle blank diameter of fire, it is thus achieved that the second fire intermediate blank
Material, then melt down and be warming up to 1150～1180 DEG C, it is incubated 1.5～2h；
2) cake is thrown in upsetting
3rd fire: in the middle of the second fire after coming out of the stove, blank is placed on lower flat anvil, carries out jumping-up-throwing cylindrical 2～4 times, obtains
Obtaining biscuit, the height of biscuit is the 20～40% of starting blanks steel ingot length, and biscuit melts down and is heated to 1150～1180 DEG C,
Insulation 1.5～2h；
3) punching
4th fire: the biscuit pincers after coming out of the stove are delivered on rotating disk, and biscuit carries out one-off hole-piercing operation, then that biscuit is anti-
Body, is placed on drain cap, then carries out 2～3 punch operation, goes out core material, completes punching, it is thus achieved that ring material, and ring material melts down heating and rises
Temperature, to 1150～1180 DEG C, is incubated 1.5～2h；
4) preliminary reaming
5th fire: after ring material is come out of the stove, utilize reaming plug that it is carried out saddle support reaming, meanwhile, utilize bracket to make reaming core
Rod keeps straight, and reaming plug is extracted in reaming after completing, it is thus achieved that reaming blank, and the aperture after preliminary reaming is reaming front aperture
1.5～2 times, reaming blank is melted down and is heated to 1150～1180 DEG C, be incubated 1.5～2h；
5) pulling reaming, de-rod
6th fire: the reaming blank pincers after coming out of the stove are delivered on lower flat anvil, penetrates in the hole of reaming blank by pulling plug,
Carry out subangle pulling forging and stamping, blank temperature >=850 DEG C, extract pulling plug, it is thus achieved that its length dimension be outside dimension 1.3～
The cylindrical forged piece of 2 times.
Further, described step 1) in the middle of the first fire the diameter control of blank 700～900mm, a length of 850～
1100mm, a diameter of the 900～980mm of the second middle blank of fire, a length of 700～900mm.
Further, described step 2) in obtain the height of biscuit be 400～550mm, after jumping-up-throwing cylindrical terminates,
Biscuit is wrapped up insulation material, the preferred asbestos of insulation material.
Preferably, described step 3) in, it is thus achieved that the aperture of ring material be 200～250mm.
The most preferably, step 4) described in reaming plug a diameter of 190～250mm, the aperture of reaming blank be 300～
400mm。
Further, step 5) in pulling plug a diameter of 290～390mm, when carrying out subangle pulling forging and stamping, enter successively
The pulling of row hexagonal, 12 jiaos of pullings and 24 jiaos of pullings, when forging and pressing the two ends of reaming blank, feed control 200～
300mm, when forging and pressing the stack shell of reaming blank, feed controls 350～450mm.
Preferably, the external diameter of the cylindrical forged piece that the present invention is obtained is 750～850mm, and aperture is 400～500mm, length
It is 1.2～1.8m.
Present invention incorporates the Forging Technology of annular and cylindrical forged piece, utilize the blank that diameter is not more than 800mm, through anti-
Multiple jumping-up and pulling, upsetting throws into cake, positive and negative punching, reaming, pulls out and de-rod, and, in reaming and pulling operation subsequently,
Use two kinds of plugs of different size respectively, make endoporus aperture progressively expand, be avoided that again that forging is to ring material for a long time simultaneously
Causing deformation, final obtain that endoporus aperture is relatively big, length dimension is the cylindrical forged piece of 1.3～2 times of outside dimension, this tubular is forged
Part endoporus is straight, and circularity is regular, and inner materials is uniform.
The present invention to blank and middle blank when carrying out jumping-up, in order to prevent blank crooked, in upsetting process, points 2
～under 3 upsettings, make the length of blank progressively reduce, it is to avoid material temperature is uneven, and blank is too high, can reduce the crooked degree of blank, it is ensured that
Shape is regular.
Its upsetting, after obtaining the second middle blank of fire, by 2～4 jumping-up-throwing cylindricals, is thrown into cake, is improved by the present invention
Quality within steel ingot, meanwhile, reduces further steel ingot height, prepares for next step punching, biscuit Altitude control 400～
During 550mm, it is adapted for positive and negative punch operation.When the present invention is punched out, after biscuit is carried out one-off hole-piercing operation, then will
The anti-body of biscuit, is placed on drain cap, then carries out 2～3 punch operation, goes out core material, utilizes 3～4 drifts, completes punching,
Biscuit being carried out positive and negative punching, it is easy to operation, the aperture making ring material is the most straight but also round, does not produce crooked, after core material comes off, ring material
Hole edge is uniform, and quality is further ensured that.
The present invention, after completing punching, carries out reaming to ring material, make use of the plug of two different-diameters, progressively makes forging
Aperture become big, first with the reaming plug that diameter is less, ring material is carried out preliminary reaming on saddle support, during preliminary reaming, utilizes horse
Frame relies on, and arranges saddle support spacing according to ring material height (namely height of biscuit), to prevent reaming hole when shape from producing deflection, than
As, when ring material height is in 400～550mm, saddle support spacing can be set to 400～550mm, simultaneously as operation temperature is at 850 DEG C
Above, reaming plug is easily deformed, and the deformation of reaming plug can cause the fluctuation of internal via shape, size, and therefore, the present invention exists
With the use of bracket during reaming, hold up one end of reaming plug, make reaming plug keep straight, make reaming plug in reaming
During keep point-blank, it is to avoid the deformation caused because of heating and the forge pressure that is subject to, it is ensured that the endoporus of ring material
Size is accurate and circularity is regular.
The present invention, after preliminary reaming completes, utilizes the pulling plug being relatively large in diameter to pull out reaming further, uses subangle
The mode of pulling forging and stamping, while pulling reaming blank, aperture is also expanding, and makes the length of cylindrical forged piece, external diameter and interior
The size in footpath all reaches to forge requirement.
Compared with prior art, the invention have the benefit that
1) present invention combines the production technology of annular and cylindrical forged piece, and is improved chambering process, uses two
The plug of different-diameter successively carries out reaming, and pulls out forging, has broken the length dimension of cylindrical forged piece in existing technique little
In the restriction of outside dimension, successfully realize length dimension more than outside dimension, the batch production of large aperture cylindrical forged piece.
2) in the technique of the present invention, tightly coordinate between each operation, carry out robbing temperature behaviour in reaming and pulling operation subsequently
Make, it is ensured that the temperature that forges of blank is not less than 850 DEG C, it is thus achieved that forging endoporus straight, circularity is regular, and inner materials is uniform.
Accompanying drawing explanation
Fig. 1 is the ring material obtained after positive and negative punching in the embodiment of the present invention.
Fig. 2 is the schematic diagram carrying out saddle support reaming in the embodiment of the present invention, and wherein, 1 is bracket, and 2 is saddle support, and 3 is reaming
Plug.
Fig. 3 is the subangle forging and stamping schematic diagram of the present invention.
Fig. 4 is the cylindrical forged piece product size schematic diagram of the present invention.
Detailed description of the invention
Below in conjunction with specific embodiment and accompanying drawing, the invention will be further described.
Embodiment
The production method of a kind of cylindrical forged piece, comprises the following steps:
1) upsetting pull
First fire: blank heating is warming up to 1150～1180 DEG C, is incubated 1～1.5h, carries out steel ingot rolling cylindrical after coming out of the stove,
Hold up blank again, carry out radially jumping-up and pulling out vertically, it is thus achieved that blank in the middle of the first fire, melt down intensifications, be incubated；Wherein,
When carrying out jumping-up, upsetting 2～3 times under upper flat anvil, jumping-up drafts is the 25～35% of steel ingot length, and pulling drafts is that steel ingot is straight
The 25～35% of footpath；
Second fire: blank in the middle of the first fire obtained is carried out jumping-up and pulling again, and jumping-up drafts is in the first fire
Between charge length 20～30%, pulling drafts be first fire in the middle of blank diameter 20～30%, it is thus achieved that second fire in the middle of
Blank, melts down intensification, insulation；
Wherein, when carrying out jumping-up, under point 2～3 upsettings, during pulling, billet size smooth excessiveness and keep straight；
2) cake is thrown in upsetting
3rd fire: be placed between two parties on lower flat anvil by blank in the middle of the second fire, carries out jumping-up, throws cylindrical, jumping-up 2～4 times,
Throwing cylindrical 2～4 times, it is thus achieved that biscuit, the height of biscuit is the 20～40% of starting blanks steel ingot length, and biscuit melts down intensifications, guarantor
Temperature；
3) positive and negative punching
4th fire: by step 2) biscuit that obtains pincers deliver on rotating disk, and put between two parties, with drift, biscuit is once rushed
Hole operation, then by anti-for biscuit body, is placed on drain cap, then carries out 2～3 punch operation, goes out core material, completes punching, it is thus achieved that
Ring material, sees Fig. 1, and ring material melts down intensification, insulation；
4) reaming
5th fire: after ring material is come out of the stove, utilize reaming plug that it is carried out saddle support reaming, see Fig. 2, it is thus achieved that reaming blank,
Aperture after preliminary reaming is 1.5～2 times of reaming front aperture, and reaming blank melts down intensification, insulation；Described reaming plug
A diameter of 210～250mm.
5) pull out, take off rod
6th fire: the reaming blank of acquisition clamped and deliver to, on lower flat anvil, put between two parties, by diameter 340～370mm pull out
Long plug penetrates in the hole of reaming blank, carries out hexagonal pulling forging and stamping (seeing Fig. 3), then carries out 12 jiaos of pulling forging and stamping and 20
Corner pulling forging and stamping, control its outside dimension, when forging and pressing the two ends of reaming blank, when forging and pressing the two ends of reaming blank, and feed
Controlling 200～300mm, when forging and pressing the stack shell of reaming blank, feed controls 350～450mm, pulls out after completing pulling forging and stamping
Go out to pull out plug, it is thus achieved that cylindrical forged piece (sees Fig. 4).
In each step of the present invention, carry out the temperature melting down heat temperature raising at 1150～1180 DEG C, temperature retention time be 1.5～
2h, during each process operations, the temperature of blank is more than 850 DEG C.
Wherein, the cylindrical forged piece parameter of billet size, each process state modulator and acquisition is shown in Table 1～table 2.
Claims (10)
1. a production method for cylindrical forged piece, produces with forging press, and forging press is furnished with upper flat anvil, lower flat anvil, saddle support, turns
Dish and drain cap, it is characterised in that comprise the following steps:
1) upsetting pull
First fire: the Heating Steel Ingots of a diameter of 500～800mm, a length of 1.5～1.8m is warming up to 1150～1180 DEG C, protects
Temperature 1～1.5h, carries out rolling cylindrical, more radially jumping-up, pulls out vertically, it is thus achieved that blank in the middle of the first fire steel ingot after coming out of the stove,
Melted down and be heated to 1150～1180 DEG C, be incubated 1.5～2h；Wherein, when carrying out jumping-up, upsetting 2～3 times under upper flat anvil,
Jumping-up drafts is the 25～35% of steel ingot length, and pulling drafts is the 25～35% of steel ingot diameter；
Second fire: blank in the middle of the first fire after coming out of the stove is carried out jumping-up and pulling, and jumping-up drafts is blank in the middle of the first fire
The 20～30% of length, pulling drafts is the 20～30% of the first middle blank diameter of fire, it is thus achieved that blank in the middle of the second fire, then
Melt down and be warming up to 1150～1180 DEG C, be incubated 1.5～2h；
2) cake is thrown in upsetting
3rd fire: in the middle of the second fire after coming out of the stove, blank is placed on lower flat anvil, carries out jumping-up-throwing cylindrical 2～4 times, it is thus achieved that cake
Material, the height of biscuit is the 20～40% of starting blanks steel ingot length, and biscuit melts down and is heated to 1150～1180 DEG C, insulation
1.5～2h；
3) punching
4th fire: the biscuit pincers after coming out of the stove are delivered on rotating disk, and biscuit carries out one-off hole-piercing operation, then by anti-for biscuit body,
Being placed on drain cap, then carry out 2～3 punch operation, go out core material, complete punching, it is thus achieved that ring material, ring material melts down and is heated to
1150～1180 DEG C, it is incubated 1.5～2h；
4) preliminary reaming
5th fire: after ring material is come out of the stove, utilize reaming plug that it is carried out saddle support reaming, meanwhile, utilize bracket to make reaming plug protect
Maintaining an equal level straight, reaming plug is extracted in reaming after completing, it is thus achieved that reaming blank, and the aperture after preliminary reaming is the 1.5 of reaming front aperture
～2 times, reaming blank is melted down and is heated to 1150～1180 DEG C, be incubated 1.5～2h；
5) pulling reaming, de-rod
6th fire: the reaming blank pincers after coming out of the stove are delivered on lower flat anvil, penetrates pulling plug in the hole of reaming blank, carries out
Subangle pulling forging and stamping, blank temperature >=850 DEG C, extract pulling plug, it is thus achieved that its length dimension is 1.3～2 times of outside dimension
Cylindrical forged piece.
The production method of cylindrical forged piece the most according to claim 1, it is characterised in that step 1) in first fire in the middle of blank
A diameter of 700～900mm, a length of 850～1100mm, second fire in the middle of blank a diameter of 900～980mm, a length of
700～900mm.
The production method of cylindrical forged piece the most according to claim 1, it is characterised in that step 2) the middle height obtaining biscuit
It is 400～550mm.
The production method of cylindrical forged piece the most according to claim 1, it is characterised in that step 2) at jumping-up-throwing cylindrical
After end, biscuit is wrapped up insulation material, the preferred asbestos of insulation material.
The production method of cylindrical forged piece the most according to claim 1, it is characterised in that step 3) in, it is thus achieved that ring material
Aperture is 200～250mm.
The production method of cylindrical forged piece the most according to claim 5, it is characterised in that step 4) described in reaming plug
A diameter of 190～250mm.
The production method of cylindrical forged piece the most according to claim 1, it is characterised in that step 4) in the aperture of reaming blank
It is 300～400mm.
The production method of cylindrical forged piece the most according to claim 7, it is characterised in that step 5) in pulling plug straight
Footpath is 290～390mm.
The production method of cylindrical forged piece the most according to claim 1, it is characterised in that step 5) in carry out subangle pulling forging
During pressure, carry out hexagonal pulling, 12 jiaos of pullings and 24 jiaos of pullings, when forging and pressing the two ends of reaming blank, feed control successively
System is 200～300mm, and when forging and pressing the stack shell of reaming blank, feed controls 350～450mm.
10. according to the production method of the cylindrical forged piece described in any one of claim 1～9, it is characterised in that the tubular obtained
The external diameter of forging is 750～850mm, and aperture is 400～500mm, a length of 1.2～1.8m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610489804.1A CN106041427A (en) | 2016-06-29 | 2016-06-29 | Production method of cylindrical forging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610489804.1A CN106041427A (en) | 2016-06-29 | 2016-06-29 | Production method of cylindrical forging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106041427A true CN106041427A (en) | 2016-10-26 |
Family
ID=57166832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610489804.1A Pending CN106041427A (en) | 2016-06-29 | 2016-06-29 | Production method of cylindrical forging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106041427A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107570655A (en) * | 2017-08-21 | 2018-01-12 | 柳州科尔特锻造机械有限公司 | The forging method of cylindrical element |
| CN107626864A (en) * | 2017-08-21 | 2018-01-26 | 柳州科尔特锻造机械有限公司 | The forging method of hollow forging |
| CN108555205A (en) * | 2017-12-07 | 2018-09-21 | 陕西宏远航空锻造有限责任公司 | A kind of manufacturing method of open die forgings |
| CN111570689A (en) * | 2020-04-28 | 2020-08-25 | 攀钢集团江油长城特殊钢有限公司 | Forging method of barrel |
| CN112453412A (en) * | 2020-11-11 | 2021-03-09 | 河北小蜜蜂工具集团有限公司 | Sintered diamond circular saw blade processing technology |
| CN112756527A (en) * | 2020-12-16 | 2021-05-07 | 太原重工股份有限公司 | Forging method of super-huge single vacuum steel ingot |
| CN112792272A (en) * | 2020-12-22 | 2021-05-14 | 西南铝业（集团）有限责任公司 | 7085 alloy high cylinder ring part forming process |
| CN113857407A (en) * | 2021-09-23 | 2021-12-31 | 中航卓越锻造（无锡）有限公司 | Cylindrical ring blank forging and preparation method thereof |
| CN114309383A (en) * | 2021-12-27 | 2022-04-12 | 中航卓越锻造（无锡）有限公司 | Forging process method of fine-grain 18-8 type stainless steel thick-wall ring forging |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101134224A (en) * | 2006-08-29 | 2008-03-05 | 中信重型机械公司 | Large-scale roller press squeeze roll forging technique |
| CN102773398A (en) * | 2011-05-09 | 2012-11-14 | 上海重型机器厂有限公司 | Method for forging slender and thick-walled pipe fittings |
| CN102825207A (en) * | 2011-06-13 | 2012-12-19 | 鞍钢重型机械有限责任公司 | Forging process of main stainless-steel pipeline for nuclear power |
| CN104107871A (en) * | 2013-04-19 | 2014-10-22 | 宝钢特钢有限公司 | Method for forging large cake pieces by means of combining upsetting and polishing with flat anvil spin edge forging |
| CN104308056A (en) * | 2014-08-20 | 2015-01-28 | 二重集团（德阳）重型装备股份有限公司 | Hot forging forming method for cylindrical forged piece |
| CN104439939A (en) * | 2014-11-07 | 2015-03-25 | 通裕重工股份有限公司 | Integrated forming method for large pipe molds |
| CN104438419A (en) * | 2014-10-24 | 2015-03-25 | 无锡市派克重型铸锻有限公司 | Forging forming process of high barrel-shaped aluminum alloy forged piece |
-
2016
- 2016-06-29 CN CN201610489804.1A patent/CN106041427A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101134224A (en) * | 2006-08-29 | 2008-03-05 | 中信重型机械公司 | Large-scale roller press squeeze roll forging technique |
| CN102773398A (en) * | 2011-05-09 | 2012-11-14 | 上海重型机器厂有限公司 | Method for forging slender and thick-walled pipe fittings |
| CN102825207A (en) * | 2011-06-13 | 2012-12-19 | 鞍钢重型机械有限责任公司 | Forging process of main stainless-steel pipeline for nuclear power |
| CN104107871A (en) * | 2013-04-19 | 2014-10-22 | 宝钢特钢有限公司 | Method for forging large cake pieces by means of combining upsetting and polishing with flat anvil spin edge forging |
| CN104308056A (en) * | 2014-08-20 | 2015-01-28 | 二重集团（德阳）重型装备股份有限公司 | Hot forging forming method for cylindrical forged piece |
| CN104438419A (en) * | 2014-10-24 | 2015-03-25 | 无锡市派克重型铸锻有限公司 | Forging forming process of high barrel-shaped aluminum alloy forged piece |
| CN104439939A (en) * | 2014-11-07 | 2015-03-25 | 通裕重工股份有限公司 | Integrated forming method for large pipe molds |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107570655A (en) * | 2017-08-21 | 2018-01-12 | 柳州科尔特锻造机械有限公司 | The forging method of cylindrical element |
| CN107626864A (en) * | 2017-08-21 | 2018-01-26 | 柳州科尔特锻造机械有限公司 | The forging method of hollow forging |
| CN108555205A (en) * | 2017-12-07 | 2018-09-21 | 陕西宏远航空锻造有限责任公司 | A kind of manufacturing method of open die forgings |
| CN111570689A (en) * | 2020-04-28 | 2020-08-25 | 攀钢集团江油长城特殊钢有限公司 | Forging method of barrel |
| CN111570689B (en) * | 2020-04-28 | 2022-03-22 | 攀钢集团江油长城特殊钢有限公司 | Forging method of barrel |
| CN112453412A (en) * | 2020-11-11 | 2021-03-09 | 河北小蜜蜂工具集团有限公司 | Sintered diamond circular saw blade processing technology |
| CN112756527A (en) * | 2020-12-16 | 2021-05-07 | 太原重工股份有限公司 | Forging method of super-huge single vacuum steel ingot |
| CN112792272A (en) * | 2020-12-22 | 2021-05-14 | 西南铝业（集团）有限责任公司 | 7085 alloy high cylinder ring part forming process |
| CN113857407A (en) * | 2021-09-23 | 2021-12-31 | 中航卓越锻造（无锡）有限公司 | Cylindrical ring blank forging and preparation method thereof |
| CN113857407B (en) * | 2021-09-23 | 2024-02-06 | 中航卓越锻造（无锡）有限公司 | Cylindrical ring blank forging and preparation method thereof |
| CN114309383A (en) * | 2021-12-27 | 2022-04-12 | 中航卓越锻造（无锡）有限公司 | Forging process method of fine-grain 18-8 type stainless steel thick-wall ring forging |
| CN114309383B (en) * | 2021-12-27 | 2023-10-24 | 中航卓越锻造（无锡）有限公司 | Forging process method of fine-grain 18-8 type stainless steel thick-wall ring forging |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106041427A (en) | Production method of cylindrical forging | |
| CN104148558B (en) | The production method of T-shaped ring-type forge piece blank reheating in SB564 UNS N06690 alloy large-size | |
| CN105331912B (en) | A kind of GH4169 high temperature alloys bar and preparation method thereof | |
| CN101439350B (en) | Method for producing seamless steel pipe for producing gas cylinder with heavy caliber for hauled vehicle | |
| CN106141049B (en) | Small-bore steep-taper taper annular element forging and forming technology | |
| EP2626152A1 (en) | Method of manufacturing flange for wind towers using ring rolling method | |
| CN102489639A (en) | Fine-grain roll-forming method for large annular piece made of high alloy steel | |
| CN101444793B (en) | Method for fabricating seamless steel pipes for large-diameter high-pressure gas cylinders used in trailer production | |
| CN102873512A (en) | Manufacture method of large-caliber medium-and-thick-wall seamless steel tube for nuclear power plant | |
| CN102039313B (en) | Method for producing large-diameter seamless steel pipe for gas cylinder | |
| CN106425317A (en) | Preparation method of Ti-B19 high-strength titanium alloy large-caliber thick wall pipe | |
| CN102319783A (en) | Heat-push bending method for producing pipe fittings with equal diameters and equal wall thicknesses | |
| CN101780518B (en) | Forming technology for forging seamless steel pipe with large diameter and extra thick wall under ultrahigh pressure | |
| CN105033132A (en) | Hollow forging piece profiling forging method of overlong-asymmetric-pipe-mouth-contained reactor coolant piping | |
| CN104907472A (en) | Forging forming method for high temperature alloy frame-shaped piece | |
| CN105081678A (en) | Rolling forming method for nickel-base superalloy high-cylindrical ring piece | |
| CN102560135A (en) | Integral copper crucible and method for producing copper crucible by integral forging and rotary pressing | |
| CN104001844A (en) | Forging process for adopting centrifugal casting hollow ingots to produce ring-shaped parts and cylindrical parts | |
| CN105880442B (en) | One kind set forging receives forming method with empty | |
| CN107900134A (en) | A kind of main pipeline forming technology with ozzle | |
| CN105290281B (en) | The production method of the nickeliferous ring forging of large thick-wall | |
| CN108237197A (en) | A kind of forging method for improving the flaw detection of structural steel large-sized ring part | |
| CN104227344B (en) | Production method of GH5188 square exhaust nozzle used for aircraft engine | |
| CN115921759A (en) | Forging process of conical valve shell forge piece for large ball valve equipment | |
| CN101444792B (en) | Method for producing seamless steel pipes used for large-diameter high-pressure gas cylinders |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161026 |