CN207563675U - A kind of cold-heading module for automobile steering system casing - Google Patents
A kind of cold-heading module for automobile steering system casing Download PDFInfo
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- CN207563675U CN207563675U CN201721748814.9U CN201721748814U CN207563675U CN 207563675 U CN207563675 U CN 207563675U CN 201721748814 U CN201721748814 U CN 201721748814U CN 207563675 U CN207563675 U CN 207563675U
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Abstract
The utility model is related to a kind of cold-heading modules for automobile steering system casing.A kind of cold-heading module for automobile steering system casing rushes cold upsetting die of car for six moulds six, including：For carrying out the first mold of integer to part；For carrying out the second mold of a pulling eye to part；For carrying out the third mold of jumping-up to part；For carrying out the 4th mold of secondary pulling eye to part；The 5th mold of material is moved for carrying out finishing to part；For carrying out the 6th mold of reach through hole to part.A kind of cold-heading module for automobile steering system casing of the utility model, it carries out being processed all sizes and endoporus of automobile steering system casing by the way of cold-heading, not only save material, and metal streamline is complete, increase the intensity of part, manufacturing procedure is reduced, operation is easy, and production efficiency is high.
Description
Technical field
The utility model is related to the manufacturing fields of automobile steering system casing, and automotive steering is used for more particularly to one kind
The cold-heading module of system casing.
Background technology
Automobile steering system casing as shown in Figure 3, it is generally machining using tubing automatic vehicle in the prior art, this
Kind mode, inefficiency, the production cycle is long, and waste of material is high, and metal streamline is imperfect, and the intensity of part is low, and used
Cutter life is not high, increases production cost.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of cold heading die for automobile steering system casing
Group is carried out being processed all sizes and endoporus of automobile steering system casing by the way of cold-heading, not only saves material,
And metal streamline is complete, increases the intensity of part, reduces manufacturing procedure, operation is easy, and production efficiency is high.
Technical solution is used by the utility model solves its technical problem：It is a kind of for automobile steering system casing
Cold-heading module, it rushes cold upsetting die of car for six moulds six, including the first mold, the second mold, third mold, the 4th mold, the 5th
Mold and the 6th mold；First mold for carrying out integer to part, goes out groove in the both ends upsetting of part；Second mold,
For carrying out a pulling eye to part, the groove at the both ends of part is made to deepen to form shrinkage pool；Third mold, for being carried out to part
Jumping-up, the middle section for making part are thicker；4th mold for carrying out secondary pulling eye to part, elongates part one end and makes
The shrinkage pool at the end deepens, and the shrinkage pool of the other end is constant；5th mold moves material for carrying out finishing to part, makes two of part
Separated material between shrinkage pool precisely moves to centre position；6th mold, for carrying out reach through hole to part；First mold,
Two molds, third mold, the 4th mold, the 5th mold and the 6th mold all include punch die and main mould；First mold rushes
Mould includes punch die thimble and the punch die cushion block on the left of punch die thimble, and the main mould of the first mold includes main mould set, positioned at main mould
Cover left end main mould benevolence, positioned at main mould set in main mould thimble, the first cushion block of main mould on the right side of main mould benevolence, positioned at main mould top
Main mould thimble cushion block on the right side of needle, the main mould mandril on the right side of main mould thimble cushion block；Second mold, third mold,
The punch die of four molds, the 5th mold and the 6th mold all includes punch die thimble, the punch die cushion block on the left of punch die thimble and position
Punch die blanking set in punch die thimble front end；Second mold, third mold, the 4th mold, the 5th mold and the 6th mold
Main mould include main mould set, the main mould benevolence positioned at main mould set left end, the main mould thimble in main mould set, on the right side of the main mould benevolence
The first cushion block of main mould, be sleeved on main mould thimble main mould ejector sleeve, be sleeved on main mould thimble rear end the second cushion block of main mould, positioned at main mould
Main mould thimble cushion block on the right side of thimble, main mould mandril positioned at main mould thimble cushion block right end, positioned at main mould ejector sleeve bottom rear
Main mould push-off pin；The first cushion block of main mould of 6th mold is spring cushion block；The punch die of the third mold and the 5th mold
Left end be additionally provided with punch die benevolence.
During first mold clamping, main mould thimble extends to the right side of main mould benevolence, and punch die thimble pushes part to main mould benevolence
Inside makes the both ends upsetting of part go out groove；During die sinking, punch die thimble exits, and main mould thimble is moved to the left, and part is ejected.
During second mold clamping, the left end of main mould thimble is exposed at the outside of main mould ejector sleeve, and punch die thimble is exposed at punch die
The outside of blanking set, punch die thimble are acted to main mould benevolence, and the groove at the both ends of part is made to deepen to form shrinkage pool；During die sinking, punch die
Blanking set remains stationary as, and punch die retracts, and part is made to be detached from punch die thimble and punch die benevolence；Main mould mandril continues to press on part to moving to left
It is dynamic, part is made to be detached from main mould benevolence, main mould ejector sleeve remains stationary as, and main mould thimble retracts, and part is made to be detached from main mould thimble, i.e., completely de-
From main mould.
During the third mold clamping, part is placed in main mould benevolence, and main mould benevolence, main mould thimble, main mould ejector sleeve form the right side
Half cavity；Main mould molds with punch die and fixes part, and then, punch die cushion block is cold to part with punch die thimble, punch die blanking set
Upsetting, punch die thimble, punch die blanking set and punch die benevolence form left half cavity, become part cold-heading in right half cavity and left half cavity
Slightly；During die sinking, punch die blanking set remains stationary as, and punch die retracts, and part is made to be detached from punch die thimble and punch die benevolence；Main mould mandril continues
Part is pushed to be moved to the left, part is made to be detached from main mould benevolence, main mould ejector sleeve remains stationary as, and main mould thimble retracts, and part is made to be detached from master
Mould thimble, that is, completely disengage main mould.
During four mold clamping, part is placed in main mould benevolence, and main mould thimble is withstood in the hole on the right side of part, main mould
Ejector sleeve withstands on the right end of part, and punch die thimble is acted to main mould benevolence, and the deformation of punch die thimble extrusion sections makes part left end elongated,
The shrinkage pool of part left end deepens；During die sinking, punch die blanking set remains stationary as, and punch die retracts, and part is made to be detached from punch die thimble；Main mould
Mandril continues to press on part and is moved to the left, and part is made to be detached from main mould benevolence, and main mould ejector sleeve remains stationary as, and main mould thimble retracts, and makes zero
Part is detached from main mould thimble, that is, completely disengages main mould.
During five mold clamping, part is placed in main mould benevolence, and punch die is molded with main mould, and part is fixed on punch die
In the main mould benevolence of Renhe, punch die blanking set withstands on the left end of part, and main mould ejector sleeve withstands on the right end of part, and punch die thimble is placed in part
Centre position remain stationary as, main mould thimble acts to the left, and the separated material between two shrinkage pools of part is made precisely to move to centre position；
During die sinking, punch die blanking set remains stationary as, and punch die retracts, and part is made to be detached from punch die thimble and punch die benevolence；Main mould mandril continues to push away
Dynamic part is moved to the left, and part is made to be detached from main mould benevolence, and main mould ejector sleeve remains stationary as, and main mould thimble retracts, and part is made to be detached from main mould
Thimble completely disengages main mould.
During six mold clamping, part is placed in main mould benevolence, and main mould thimble, main mould ejector sleeve and main mould benevolence form solid
Fixed cavity, the punch die thimble of punch die are reduced in punch die blanking set, and when punch die moves right, part is resisted by punch die blanking set
Left end and by part to main mould thimble squeeze, the right end of main mould benevolence is made to be against on main mould ejector sleeve, main mould thimble will be in part
Between separated material be pushed into punch die blanking set in；During die sinking, punch die is covered with punch die blanking to retract, and punch die thimble ejects separated material, main mould
Mandril is moved to the left, and part is made to be detached from main mould benevolence, and main mould ejector sleeve remains stationary as, and main mould thimble retracts, and part is made to be detached from main mould top
Needle completely disengages main mould.
Six mould six rushes on cold upsetting die of car the clip transmission mechanism being additionally provided with for crossing mould to part.
The beneficial effects of the utility model：A kind of cold-heading module for automobile steering system casing of the utility model,
It carries out being processed all sizes and endoporus of automobile steering system casing by the way of cold-heading, not only saves material, and
Metal streamline is complete, increases the intensity of part, reduces manufacturing procedure, and operation is easy, and production efficiency is high.
Description of the drawings
Fig. 1 is a kind of schematic diagram of cold-heading module for automobile steering system casing of embodiment；
Part drawings of the Fig. 2 for mold processing each in a kind of cold-heading module for automobile steering system casing of embodiment；
Fig. 3 is the schematic diagram of automobile steering system casing.
Specific embodiment
In order to deepen the understanding to the utility model, the utility model is done further below in conjunction with drawings and examples
Detailed description, the embodiment are only used for explaining the utility model, and the scope of protection of the utility model is not formed and is limited.
Embodiment
As shown in Figure 1, the present embodiment additionally provides a kind of cold-heading module for automobile steering system casing, it is six moulds
Six rush cold upsetting die of car, including the first mold I, the second mold II, third mold III, the 4th mold IV, the 5th mold V and
Six mold VI；First mold for carrying out integer to part, goes out groove in the both ends upsetting of part；Second mold, for pair
Part carries out a pulling eye, and the groove at the both ends of part is made to deepen to form shrinkage pool；Third mold, for carrying out jumping-up to part,
The middle section for making part is thicker；4th mold for carrying out secondary pulling eye to part, elongates part one end and makes the end
Shrinkage pool deepens, and the shrinkage pool of the other end is constant；5th mold, for part carry out finishing move material, make part two shrinkage pools it
Between separated material precisely move to centre position；6th mold, for carrying out reach through hole to part；First mold, the second mold,
Third mold, the 4th mold, the 5th mold and the 6th mold all include punch die 1 and main mould 2；The punch die 1 of first mold wraps
Punch die thimble 5 and the punch die cushion block 4 positioned at 5 left side of punch die thimble are included, the main mould 2 of the first mold includes main mould set 6, positioned at main mould
It covers the main mould benevolence 12 of 6 left ends, the main mould thimble 7 in 6, the first cushion block of main mould 9 positioned at 12 right side of main mould benevolence, position is covered positioned at main mould
Main mould thimble cushion block 14 in 7 right side of main mould thimble, the main mould mandril 13 positioned at 14 right side of main mould thimble cushion block；Second mould
The punch die of tool, third mold, the 4th mold, the 5th mold and the 6th mold all includes punch die thimble, on the left of punch die thimble
Punch die cushion block and positioned at punch die thimble front end punch die blanking cover 3；Second mold, third mold, the 4th mold, the 5th
The main mould of mold and the 6th mold includes main mould set 6, the main mould benevolence 12 of 6 left ends is covered positioned at main mould, the main mould in main mould set 6
Thimble 7, the main mould ejector sleeve 8 for being sleeved on main mould thimble 7, is sleeved on main mould thimble 7 at the first cushion block of main mould 9 on the right side of main mould benevolence 12
The second cushion block of main mould 10 of rear end, the main mould thimble cushion block 14 positioned at 7 right side of main mould thimble, positioned at 14 right end of main mould thimble cushion block
Main mould mandril 13, the main mould push-off pin 13 positioned at 8 bottom rear of main mould ejector sleeve；The first cushion block of main mould 9 of 6th mold
For spring cushion block；The left end of the punch die of the third mold and the 5th mold is additionally provided with punch die benevolence 15；Six mould six rushes cold
The clip transmission mechanism for crossing mould to part is additionally provided on upsetting mold.
In a kind of cold-heading module for automobile steering system casing of the present embodiment, added by the first mold to the 6th mold
The part of work be corresponding in turn to part shown in Fig. 2 1., part 2., part 3., part 4., part 5. with part 6..
It is main during first mold clamping in a kind of cold-heading module for automobile steering system casing of the present embodiment
Mould thimble extends to the right side of main mould benevolence, and punch die thimble is pushed inside part to main mould benevolence, and the both ends upsetting of part is made to go out groove；Die sinking
When, punch die thimble exits, and main mould thimble is moved to the left, and part is ejected；During second mold clamping, the left end of main mould thimble
The outside of main mould ejector sleeve is exposed at, punch die thimble is exposed at the outside of punch die blanking set, and punch die thimble is acted to main mould benevolence, makes part
The groove at both ends is deepened to form shrinkage pool；During die sinking, punch die blanking set remains stationary as, and punch die retracts, and part is made to be detached from punch die thimble
With punch die benevolence；Main mould mandril continues to press on part and is moved to the left, and part is made to be detached from main mould benevolence, and main mould ejector sleeve remains stationary as, main mould
Thimble retracts, and part is made to be detached from main mould thimble, that is, completely disengages main mould；During the third mold clamping, part is placed on main mould
In benevolence, main mould benevolence, main mould thimble, main mould ejector sleeve form right half cavity；Main mould molds with punch die and fixes part, then, punch die
For cushion block with punch die thimble, punch die blanking set to part cold-heading, punch die thimble, punch die blanking set and punch die benevolence form left half mould
Chamber makes part cold-heading in right half cavity and left half cavity thicker；During die sinking, punch die blanking set remains stationary as, and punch die retracts, and makes
Part is detached from punch die thimble and punch die benevolence；Main mould mandril continues to press on part and is moved to the left, and part is made to be detached from main mould benevolence, and main mould pushes away
Pipe remains stationary as, and main mould thimble retracts, and part is made to be detached from main mould thimble, that is, completely disengages main mould；During four mold clamping,
Part is placed in main mould benevolence, and main mould thimble is withstood in the hole on the right side of part, and main mould ejector sleeve withstands on the right end of part, punch die thimble
It is acted to main mould benevolence, the deformation of punch die thimble extrusion sections makes part left end elongated, the shrinkage pool of part left end deepens；During die sinking, punching
Mould blanking set remains stationary as, and punch die retracts, and part is made to be detached from punch die thimble；Main mould mandril continues to press on part and is moved to the left, and makes
Part is detached from main mould benevolence, and main mould ejector sleeve remains stationary as, and main mould thimble retracts, and part is made to be detached from main mould thimble, that is, completely disengages master
Mould；During five mold clamping, part is placed in main mould benevolence, and punch die is molded with main mould, and part is fixed on punch die Renhe
In main mould benevolence, punch die blanking set withstands on the left end of part, and main mould ejector sleeve withstands on the right end of part, and punch die thimble is placed in part
Between position remain stationary as, main mould thimble acts to the left, and the separated material between two shrinkage pools of part is made precisely to move to centre position；Die sinking
When, punch die blanking set remains stationary as, and punch die retracts, and part is made to be detached from punch die thimble and punch die benevolence；Main mould mandril continues to press on zero
Part is moved to the left, and part is made to be detached from main mould benevolence, and main mould ejector sleeve remains stationary as, and main mould thimble retracts, and part is made to be detached from main mould thimble,
Completely disengage main mould；During six mold clamping, part is placed in main mould benevolence, main mould thimble, main mould ejector sleeve and main mould
Benevolence forms fixed cavity, and the punch die thimble of punch die is reduced in punch die blanking set, when punch die moves right, passes through punch die blanking set
It resists the left end of part and squeezes part to main mould thimble, the right end of main mould benevolence is made to be against on main mould ejector sleeve, main mould thimble will
The intermediate separated material of part is pushed into punch die blanking set；During die sinking, punch die is covered with punch die blanking to retract, and punch die thimble is by separated material top
Go out, main mould mandril is moved to the left, and part is made to be detached from main mould benevolence, and main mould ejector sleeve remains stationary as, and main mould thimble retracts, and is detached from part
Main mould thimble completely disengages main mould, that is, completes in the manufacture of automobile steering system casing.
A kind of cold-heading module for automobile steering system casing of the present embodiment, is carried out by the way of cold-heading to automobile
All sizes and endoporus of steering casing are processed, and are not only saved material, and metal streamline is complete, are increased part
Intensity reduces manufacturing procedure, and operation is easy, and production efficiency is high.
Above-described embodiment should not in any way limit the utility model, all by the way of equivalent replacement or equivalency transform
The technical solution of acquisition is all fallen in the scope of protection of the utility model.
Claims (8)
1. a kind of cold-heading module for automobile steering system casing, it is characterised in that：It rushes cold upsetting die of car for six moulds six, wraps
Include the first mold, the second mold, third mold, the 4th mold, the 5th mold and the 6th mold；First mold, for pair
Part carries out integer, goes out groove in the both ends upsetting of part；Second mold for carrying out a pulling eye to part, makes the two of part
The groove at end is deepened to form shrinkage pool；Third mold, for carrying out jumping-up to part, the middle section for making part is thicker；4th mould
Tool for carrying out secondary pulling eye to part, elongates part one end and deepens the shrinkage pool at the end, the shrinkage pool of the other end is constant；
5th mold moves material for carrying out finishing to part, the separated material between two shrinkage pools of part is made precisely to move to centre position；The
Six molds, for carrying out reach through hole to part；First mold, the second mold, third mold, the 4th mold, the 5th mold
All include punch die and main mould with the 6th mold；The punch die of first mold includes punch die thimble and on the left of punch die thimble
Punch die cushion block, the main mould of the first mold include main mould set, the main mould benevolence positioned at main mould set left end, the main mould top in main mould set
Needle, the first cushion block of main mould on the right side of main mould benevolence, the main mould thimble cushion block on the right side of main mould thimble, positioned at main mould thimble pad
Main mould mandril on the right side of block；Second mold, third mold, the 4th mold, the 5th mold and the 6th mold punch die all wrap
Include punch die thimble, the punch die cushion block on the left of punch die thimble and the punch die blanking set positioned at punch die thimble front end；Described second
Mold, third mold, the 4th mold, the 5th mold and the 6th mold main mould include main mould set, the master positioned at main mould set left end
Mode, the main mould thimble in main mould set, the first cushion block of main mould on the right side of main mould benevolence, the main mould that is sleeved on main mould thimble push away
The second cushion block of main mould of main mould thimble rear end, the main mould thimble cushion block on the right side of main mould thimble are managed, are sleeved on, positioned at main mould thimble
The main mould mandril of cushion block right end, the main mould push-off pin positioned at main mould ejector sleeve bottom rear；The main mould first of 6th mold pads
Block is spring cushion block；The left end of the punch die of the third mold and the 5th mold is additionally provided with punch die benevolence.
2. a kind of cold-heading module for automobile steering system casing according to claim 1, it is characterised in that：Described
During one mold clamping, main mould thimble extends to the right side of main mould benevolence, and punch die thimble is pushed inside part to main mould benevolence, makes the two of part
End upsetting goes out groove；During die sinking, punch die thimble exits, and main mould thimble is moved to the left, and part is ejected.
3. a kind of cold-heading module for automobile steering system casing according to claim 1, it is characterised in that：Described
When two molds mold, the left end of main mould thimble is exposed at the outside of main mould ejector sleeve, and punch die thimble is exposed at the outside of punch die blanking set, punching
Mould thimble is acted to main mould benevolence, and the groove at the both ends of part is made to deepen to form shrinkage pool；During die sinking, punch die blanking set remains stationary as,
Punch die retracts, and part is made to be detached from punch die thimble and punch die benevolence；Main mould mandril continues to press on part and is moved to the left, and part is made to be detached from master
Mode, main mould ejector sleeve remain stationary as, and main mould thimble retracts, and part is made to be detached from main mould thimble, that is, completely disengages main mould.
4. a kind of cold-heading module for automobile steering system casing according to claim 1, it is characterised in that：Described
During three mold clampings, part is placed in main mould benevolence, and main mould benevolence, main mould thimble, main mould ejector sleeve form right half cavity；Main mould and punching
Part is fixed in mould molding, and then, punch die cushion block is with punch die thimble, punch die blanking set to part cold-heading, punch die thimble, punch die
Blanking covers and punch die benevolence forms left half cavity, makes part cold-heading in right half cavity and left half cavity thicker；During die sinking, punch die is fallen
Material set remains stationary as, and punch die retracts, and part is made to be detached from punch die thimble and punch die benevolence；Main mould mandril continues to press on part to moving to left
It is dynamic, part is made to be detached from main mould benevolence, main mould ejector sleeve remains stationary as, and main mould thimble retracts, and part is made to be detached from main mould thimble, i.e., completely de-
From main mould.
5. a kind of cold-heading module for automobile steering system casing according to claim 1, it is characterised in that：Described
During four mold clampings, part is placed in main mould benevolence, and main mould thimble is withstood in the hole on the right side of part, and main mould ejector sleeve withstands on part
Right end, punch die thimble are acted to main mould benevolence, and the deformation of punch die thimble extrusion sections makes part left end elongated, the shrinkage pool of part left end
It deepens；During die sinking, punch die blanking set remains stationary as, and punch die retracts, and part is made to be detached from punch die thimble；Main mould mandril continues to press on zero
Part is moved to the left, and part is made to be detached from main mould benevolence, and main mould ejector sleeve remains stationary as, and main mould thimble retracts, and part is made to be detached from main mould thimble,
Completely disengage main mould.
6. a kind of cold-heading module for automobile steering system casing according to claim 1, it is characterised in that：Described
During five mold clampings, part is placed in main mould benevolence, and punch die is molded with main mould, and part is fixed in the main mould benevolence of punch die Renhe,
Punch die blanking set withstands on the left end of part, and main mould ejector sleeve withstands on the right end of part, and the centre position that punch die thimble is placed in part is protected
Hold motionless, main mould thimble acts to the left, and the separated material between two shrinkage pools of part is made precisely to move to centre position；During die sinking, punch die
Blanking set remains stationary as, and punch die retracts, and part is made to be detached from punch die thimble and punch die benevolence；Main mould mandril continues to press on part to moving to left
It is dynamic, part is made to be detached from main mould benevolence, main mould ejector sleeve remains stationary as, and main mould thimble retracts, and part is made to be detached from main mould thimble, i.e., completely de-
From main mould.
7. a kind of cold-heading module for automobile steering system casing according to claim 1, it is characterised in that：Described
During six mold clampings, part is placed in main mould benevolence, and main mould thimble, main mould ejector sleeve and main mould benevolence form fixed cavity, punch die
Punch die thimble be reduced in punch die blanking set, when punch die moves right, the left end of part is resisted and by zero by punch die blanking set
Part is squeezed to main mould thimble, the right end of main mould benevolence is made to be against on main mould ejector sleeve, the intermediate separated material of part is pushed into rush by main mould thimble
In mould blanking set；During die sinking, punch die is covered with punch die blanking to retract, and punch die thimble ejects separated material, and main mould mandril is moved to the left,
Part is made to be detached from main mould benevolence, main mould ejector sleeve remains stationary as, and main mould thimble retracts, and part is made to be detached from main mould thimble, that is, is completely disengaged
Main mould.
8. a kind of cold-heading module for automobile steering system casing according to claim 1, it is characterised in that：Described six
Mould six rushes on cold upsetting die of car the clip transmission mechanism being additionally provided with for crossing mould to part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721748814.9U CN207563675U (en) | 2017-12-14 | 2017-12-14 | A kind of cold-heading module for automobile steering system casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721748814.9U CN207563675U (en) | 2017-12-14 | 2017-12-14 | A kind of cold-heading module for automobile steering system casing |
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| Publication Number | Publication Date |
|---|---|
| CN207563675U true CN207563675U (en) | 2018-07-03 |
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ID=62688292
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721748814.9U Active CN207563675U (en) | 2017-12-14 | 2017-12-14 | A kind of cold-heading module for automobile steering system casing |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108057839A (en) * | 2017-12-14 | 2018-05-22 | 苏州工业园区新凯精密五金有限公司 | It is a kind of for the cold-heading molding technique of automobile steering system casing and cold-heading module |
| CN116921603A (en) * | 2023-06-28 | 2023-10-24 | 珠海聚能精密工业有限公司 | Cold heading shaping device for precision machining with controllable thickness |
-
2017
- 2017-12-14 CN CN201721748814.9U patent/CN207563675U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108057839A (en) * | 2017-12-14 | 2018-05-22 | 苏州工业园区新凯精密五金有限公司 | It is a kind of for the cold-heading molding technique of automobile steering system casing and cold-heading module |
| CN108057839B (en) * | 2017-12-14 | 2024-01-12 | 苏州新凯紧固***有限公司 | Cold heading forming process and cold heading module for automobile steering system sleeve |
| CN116921603A (en) * | 2023-06-28 | 2023-10-24 | 珠海聚能精密工业有限公司 | Cold heading shaping device for precision machining with controllable thickness |
| CN116921603B (en) * | 2023-06-28 | 2024-04-05 | 珠海聚能精密工业有限公司 | Cold heading shaping device for precision machining with controllable thickness |
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