CN109922902A - The manufacturing method of metal member - Google Patents
The manufacturing method of metal member Download PDFInfo
- Publication number
- CN109922902A CN109922902A CN201780066520.4A CN201780066520A CN109922902A CN 109922902 A CN109922902 A CN 109922902A CN 201780066520 A CN201780066520 A CN 201780066520A CN 109922902 A CN109922902 A CN 109922902A
- Authority
- CN
- China
- Prior art keywords
- root
- inner peripheral
- canister portion
- formed punch
- mobile
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D19/00—Flanging or other edge treatment, e.g. of tubes
- B21D19/08—Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
- B21J5/08—Upsetting
Abstract
The present invention provides a kind of manufacturing method of metal member, can reduce a possibility that gauffer is formed between around the root of canister portion and the canister portion.The manufacturing method of metal member includes: that canister portion formation process S200 and root thicken process S202.In canister portion formation process S200, canister portion is formed on metal sheet blank.Root, which thickens process S202, thickens the root portion of canister portion.It includes: inner peripheral portion mobile process S210 and extrusion process S214 that root, which thickens process S202,.In inner peripheral portion mobile process S210, processing formed punch keeps the tip side inner peripheral portion in canister portion mobile to root side inner peripheral portion.In extruding process S214, in the state of clamping around the root of canister portion by former and pressing mold, processing formed punch will be extruded when observing around the root of the movable part Xiang Cong canister portion moved in inner peripheral portion mobile process S210 in canister portion with the projected direction opposite side of canister portion.
Description
Technical field
The present invention relates to the manufacturing methods of metal member.
Background technique
Metal member with canister portion and the plate-like portion of the one end for the root that canister portion is arranged in is well-known.By to this
Component implements further to implement processing to manufacture various parts.Such metal member is by implementing plasticity to metal plate
Processing is to manufacture.An example of its manufacturing method includes following three processes.First step is to implement drawing to metal plate to add
The process of work.Protrusion is formed on the plate as a result,.The second step is the process in the top aperture of the protrusion.The third step
It is the process for implementing plastic processing to the protrusion of aperture.The protrusion becomes canister portion as a result,.The metal member manufactured in this way is deposited
Thinning problem is easy in the plate thickness of the root portion of canister portion.In addition, there are the inner peripheral surfaces of canister portion for the metal member manufactured in this way
In the position for being equivalent to root portion the problem of becoming radius of curvature big curved surface.
Patent document 1 discloses the manufacturing method of metal member.The manufacturing method of the metal member includes following institute
Two processes stated.First process is to form canister portion from metal plate by drawing process, aperture processing, drawing process
The process of the side of opening portion semi-finished product outstanding.Second process is in the shape for constraining at least one party of the interior and exterior of canister portion
The process of the end face of the canister portion of the semi-finished product is pressed under state.In the latter process, formed punch and the yin opposite with the formed punch are used
Mould.In this process, canister portion is formed in the two sides of metal plate.According to the system of metal member disclosed in patent document 1
Method is made, the product that there is canister portion in the two sides of the opening portion of metal plate can be obtained with more small-scale equipment.
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 11-10275 bulletin
Summary of the invention
Problem to be solved by the invention
However, there are the following problems for the manufacturing method of metal member disclosed in patent document 1: in canister portion
Root in, around the canister portion and its root between will form gauffer 140.Fig. 7 is the concept map of such gauffer 140.This
The gauffer of sample can make the strength reduction of metal member.
The present invention solves such problems, it is intended that providing a kind of manufacturing method of metal member, can drop
It is low around the root of canister portion and canister portion between formed gauffer a possibility that.
Technical means to solve problem
It is explained with reference to the manufacturing method of metal member of the invention.In addition, using appended drawing reference in the part
It is to help the content for understanding invention, is not the range that content is limited to diagram.
To solve the above-mentioned problems, the manufacturing method of the metal member of a technical solution according to the present invention includes cylinder
Portion formation process S200 and root thicken process S202.In canister portion formation process S200, by plastic processing in made of metal
Sheet blank on formed canister portion 110.Root, which thickens process S202, thickens the root of canister portion 110.Root thickens process S202
Including inner peripheral portion mobile process S210 and extrude process S214.In inner peripheral portion mobile process S210, processing formed punch 34,
334 keep the tip side inner peripheral portion 120 in canister portion 110 mobile to root side inner peripheral portion 122.In extruding process S214,
In the state of being clamped around the root of canister portion 110 in metal sheet blank by former 330 and pressing mold 32, formed punch is processed
34,334 by the root of the 130 Xiang Cong canister portion 110 of movable part moved in inner peripheral portion mobile process S210 in canister portion 110
It is extruded when being observed around portion with the projected direction opposite side of canister portion 110.
In the manufacturing method of metal member of the invention, in inner peripheral portion mobile process S210, make in canister portion 110
Tip side inner peripheral portion 120 it is mobile to root side inner peripheral portion 122.122 quilt of root side inner peripheral portion of canister portion 110 as a result,
It thickens.The part thickened i.e. movable part 130 is forced out to the projected direction opposite side with canister portion 110.As a result, due to original
The root portion come is not forced out, therefore, is able to suppress because the root portion of canister portion 110 is forced out institute to the opposite side of canister portion 110
Caused root portion is thinning.It is thinning due to inhibiting, be able to suppress because root portion it is thinning caused by canister portion 110 root
Partial recess.As a result, it is possible to reduce a possibility that gauffer is formed between around the root of canister portion 110 and canister portion 110.
Furthermore it is preferred that above-mentioned processing formed punch 34,334 has configuration in the top section of tip side 60,360 and moves
Dynamic processing interval 62,362.When from top section 60,360, the mobile configuration of processing interval 62,362 processing formed punch 34,
334 root side.Mobile processing interval 62,362 is connect with top section 60,360.Mobile processing interval 62,362 compares top zone
Between it is 60,360 thick.In this case, inner peripheral portion mobile process S210 includes following process.The process is rushed by processing
The process that first 34,334 mobile processing interval 62,362 keeps tip side inner peripheral portion 120 mobile to root side inner peripheral portion 122.
In this case, extruding process S214 includes following process.The process is, in the top section of processing formed punch 34,334
60, during 360 inhibition movable parts 130 are stretched out to the inner space of canister portion 110, the mobile processing district of formed punch 34,334 is processed
Between 62,362 will around the root of 130 Xiang Cong canister portion 110 of movable part observe when opposite with the projected direction of canister portion 110 one
The process that side pressure goes out.
In inner peripheral portion mobile process S210, the mobile processing interval 62,362 by processing formed punch 34,334 makes top
Side inner peripheral portion 120 is mobile to root side inner peripheral portion 122.Due to be not by process formed punch 34,334 top section 60,
360 but keep tip side inner peripheral portion 120 mobile by mobile processing interval 62,362 connected to it, therefore, be able to suppress
It is disconnected that the inner peripheral portion of canister portion 110 is processed the trailing part caused by the dragging of top section 60,360 of formed punch 34,334
It splits.In the state of inhibiting the inner peripheral portion fracture of canister portion 110, the mobile processing interval 62,362 for processing formed punch 34,334 will be moved
It is extruded when being observed around the root of dynamic 130 Xiang Cong canister portion 110 of part with the projected direction opposite side of canister portion 110.As a result,
The root portion being able to suppress caused by being forced out because of the root portion of canister portion 110 to the opposite side of canister portion 110 is thinning.
Or, it is preferable that the mobile processing interval 62,362 of above-mentioned processing formed punch 34,334 has the taper of cone-shaped
Section 70,370 and the constant constant section 72,372 of rugosity of rugosity.Taper section 70,370 directly connects with top section 60,360
It connects.The constant section 72,372 of rugosity is connect via taper section 70,370 with top section 60,360.In such a situation it is preferred to
Ground, extrude process S214 in, process formed punch 34,334 taper section 70,370 by the movable part 130 of canister portion 110 to
The projected direction opposite side of canister portion 110 extrudes.
In extruding process S214, when the taper section 70,370 for processing formed punch 34,334 extrudes movable part 130, with
Face between top section 60,360 and mobile processing interval 62,362 is orthogonal with the processing moving direction of formed punch 34,334
The case where plane, is compared, and the shear strength for being applied to movable part 130 becomes smaller.When shear strength becomes smaller, with phase the case where not becoming smaller
A possibility that being broken than, movable part 130 is lower.Thereby, it is possible to inhibit the root portion because of canister portion 110 to the opposite of canister portion 110
It is thinning that side is forced out caused root portion.
Furthermore it is preferred that above-mentioned former 330 enters road 340 and recess portion 342 with processing formed punch 34,334.Recess portion 342
It configures at the edge for entering road 340.Movable part 130 in canister portion 110 is pressed into recess portion 342.Preferably, root thickens process
S202 also has press-fitting step S216.In press-fitting step S216, the taper section 70,370 of formed punch 34,334 is processed by canister portion
Movable part 130 in 110 is pressed into the recess portion 342 of former 330.
In press-fitting step S216, when the taper section 70,370 of processing formed punch 34,334 is by the moving portion in canister portion 110
When the recess portion 342 of points 130 indentation formers 330, the face between top section 60,360 and mobile processing interval 62,362 be with
The case where processing the moving direction orthogonal plane of formed punch 34,334 is compared, and mobile processing interval 62,362 and former 330 are passed through
A possibility that cutting movable part 130, is lower.When shear strength becomes smaller, compared with the case where not becoming smaller, movable part 130 is disconnected
A possibility that splitting is lower.Caused by inhibiting the root portion because of canister portion 110 to be forced out to the opposite side of canister portion 110
Root portion it is thinning.
Invention effect
The manufacturing method of metal member according to the present invention can reduce between around the root of canister portion and canister portion
A possibility that forming gauffer.
Detailed description of the invention
Fig. 1 is the figure for indicating process included by the manufacturing method of the metal member of an embodiment of the invention.
Fig. 2 is the outside drawing of the semi-finished product of an embodiment of the invention.
Fig. 3 is adding for the inner peripheral portion of the canister portion in the inner peripheral portion mobile process for indicate an embodiment of the invention
The figure of work situation.
Fig. 4 is the machining status of the inner peripheral portion of the canister portion in the trimming for indicate an embodiment of the invention
Figure.
Fig. 5 is the machining status of the inner peripheral portion of the canister portion in the extrusion process for indicate an embodiment of the invention
Figure.
Fig. 6 be the press-fitting step for indicating an embodiment of the invention after canister portion inner peripheral portion figure.
Fig. 7 is the concept map for indicating an example of gauffer.
Specific embodiment
In the following, being explained with reference to embodiments of the present invention.In the following description, phase is marked to identical component
Same appended drawing reference.Their title and function is also identical.Therefore, it will not be repeated again and be described in detail.
(explanation of process)
Fig. 1 is the figure for indicating process included by the manufacturing method of the metal member of present embodiment.Based on Fig. 1 to this
The manufacturing method of the metal member of embodiment is illustrated.The manufacturing method of the metal member of present embodiment includes:
Canister portion formation process S200, root thicken process S202.In this case, root thickens process S202 and includes:
Inner peripheral portion mobile process S210, trimming S212, process S214 and press-fitting step S216 is extruded.
Fig. 2 to Fig. 6 is the mold and semi-finished product 100 during the manufacturing method for implementing the metal member of present embodiment
Figure.Illustrate the specific of each process included by the manufacturing method of the metal member of present embodiment based on Fig. 2 to Fig. 6
Content.
In canister portion formation process S200, punch process is implemented to metal sheet blank (not shown).The plate as a result,
Shape blank becomes the semi-finished product 100 of the metal member of present embodiment.Fig. 2 is the appearance of the semi-finished product 100 of present embodiment
Figure.In Fig. 2, a part of semi-finished product 100 is cut off.Semi-finished product 100 include canister portion 110 and plate-like portion 112.Canister portion 110
It is formed in canister portion formation process S200 by punch process.Canister portion 110 has tip side inner peripheral portion 120 and root side
Inner peripheral portion 122.Be used to form canister portion 110 specific method be it is well known, therefore, repeated explanation is not carried out to it herein.
Plate-like portion 112 configures around the root of canister portion 110.
It is thickened in process S202 in root, the root portion of the canister portion 110 of semi-finished product 100 passes through by the mobile work of inner peripheral portion
Sequence S210, trimming S212, process S214, press-fitting step S216 is extruded and is thickened.The specific content of these each process
As described below.
Fig. 3 is the figure for indicating the machining status of inner peripheral portion of the canister portion 110 in inner peripheral portion mobile process S210.Inside
In circumferential portion mobile process S210, firstly, becoming plate-like portion 112 in the metal sheet blank of semi-finished product 100 (that is, cylinder
Around the root in portion 110) it is clamped by former 30 and pressing mold 32.Then, in this state, inner circumferential movable punching head 34 is from canister portion
110 tip side is inserted.
Inner circumferential movable punching head 34 is the one kind for processing formed punch.Inner circumferential movable punching head 34 includes top section 60, mobile processing
Section 62, root section 64.Top section 60 configures the tip side in inner circumferential movable punching head 34.From top section 60
When, root side of the mobile configuration of processing interval 62 in inner circumferential movable punching head 34.Mobile processing interval 62 is connect with top section 60.
Mobile processing interval 62 is thicker than top section 60.In this case, mobile processing interval 62 has cone-shaped
Taper section 70, the constant section 72 of rugosity.Taper section 70 is directly connected to top section 60.The rugosity in taper section 70 is,
It is then thicker further away from top section 60.The constant section 72 of rugosity is connect via taper section 70 with top section 60.Rugosity is constant
The rugosity in section 72 is constant.When from mobile processing interval 62, root section 64 is configured in inner circumferential movable punching head 34
Root side.Root section 64 is connect with mobile processing interval 62.Root section 64 is thicker than mobile processing interval 62.
In inner peripheral portion mobile process S210, when inner circumferential movable punching head 34 is inserted from the tip side of canister portion 110,
It is especially taper section 70 by the mobile processing interval 62 of inner circumferential movable punching head 34, so that the tip side inner circumferential in canister portion 110
Part 120 (referring to Fig. 2) is mobile to root side inner peripheral portion 122 (Fig. 2 reference).The tip side inner peripheral portion 120 becomes as a result,
Movable part 130.Then, semi-finished product 100 are unloaded from former 30, pressing mold 32, inner circumferential movable punching head 34.
Fig. 4 is the figure for indicating the machining status of inner peripheral portion of the canister portion 110 in trimming S212.In trimming
In S212, firstly, the plate-like portion 112 (that is, around root of canister portion 110) in semi-finished product 100 is by former 230 and pressing mold 232
Clamping.Then, reforming plunger 234 enters wherein from the tip side of canister portion 110.Reforming plunger 234 is to the moving portion in canister portion 110
130 are divided to carry out shapings.Then, semi-finished product 100 are unloaded from former 230, pressing mold 232, reforming plunger 234.
Fig. 5 is the figure for indicating to extrude the machining status of the inner peripheral portion of the canister portion 110 in process S214.Make in this process
It includes top section 360 and mobile processing interval 362 that extrusion, which is pressed into formed punch 334,.The configuration of top section 360 is extruding pressure
Enter the tip side of formed punch 334.When from top section 360, the mobile configuration of processing interval 362 is extruding indentation formed punch 334
Root side.Mobile processing interval 362 is connect with top section 360.In this case, mobile processing interval
362 taper sections 370 and the constant section 372 of rugosity with cone-shaped.Taper section 370 directly connects with top section 360
It connects.The rugosity in taper section 370 is, then thicker further away from top section 360.The constant section 372 of rugosity is via taper section 370
It is connect with top section 360.The rugosity in the constant section 372 of rugosity is constant.The constant section 372 of rugosity is than top section 360
Slightly.Extruding indentation formed punch 334 is one kind that formed punch is processed used in present embodiment.On the other hand, it uses in this process
Former 330 have enter road 340 and recess portion 342.It extrudes indentation formed punch 334 and enters road 340.Recess portion 342 is to surround
Mode into road 340 configures at the edge for entering road 340.In extruding process S214, firstly, plate-like portion 112 is by former 330
It is clamped with pressing mold 332.Then, in this state, canister portion 110 is pressed by former 330 and pressing mold 332 extrudes indentation formed punch 334.When
When canister portion 110 is pressed into extrusion indentation formed punch 334 by former 330 and pressing mold 332, the movable part 130 of canister portion 110 is forced out indentation
Protrusion when the mobile processing interval 362 of formed punch 334 is especially the observation of 370 Xiang Cong plate-like portion 112 of taper section with canister portion 110
Contrary side extrudes.As a result, the internal diameter of canister portion 110 becomes constant.The movable part 130 being forced out enters former 330
Recess portion 342.During this, the top section 360 for extruding indentation formed punch 334 inhibits movable part 130 empty to the inside of canister portion 110
Between stretch out.
Fig. 6 is the figure of the machining status of the inner peripheral portion of the canister portion 110 after indicating press-fitting step S216.In indentation work
In sequence S216, indentation formed punch 334 is extruded as canister portion 110 is pressed by former 330 and pressing mold 332, extrudes the cone of indentation formed punch 334
Movable part 130 in canister portion 110 is pressed into the recess portion 342 of former 330 by shape section 370.Movable part 130 is shaped as a result,.
By the shaping, semi-finished product 100 become finished goods.The finished goods is unloaded from former 330, pressing mold 332, extrusion indentation formed punch 334
Under.
(explanation of effect)
In the manufacturing method of the metal member of present embodiment, the movable part 130 that thickens in advance to canister portion 110
Projected direction opposite side be forced out.Thereby, it is possible to inhibit the root portion because of canister portion 110 to the opposite side with canister portion 110
It is thinning to be forced out caused root portion.It is thinning due to inhibiting, be able to suppress because root portion it is thinning caused by canister portion
The recess of 110 root portion.As a result, it is possible to reduce the possibility that gauffer 140 is formed between around canister portion 110 and its root
Property.
In the manufacturing method of the metal member of present embodiment, by the mobile processing interval for processing formed punch 34,334
62,362, keep tip side inner peripheral portion 120 mobile to root side inner peripheral portion 122.It is not the top by processing formed punch 34,334
Between petiolarea 60,360 but keep tip side inner peripheral portion 120 mobile by mobile processing interval 62,362 connected to it, therefore,
The inner peripheral portion for being able to suppress canister portion 110 is processed the trailing part caused by the top dragging of formed punch 34,334 and breaks
It splits.Root portion caused by as a result, it is possible to inhibit the root portion because of canister portion 110 to be forced out to the opposite side of canister portion 110 becomes
It is thin.
In the manufacturing method of the metal member of present embodiment, with top section 60,360 and mobile processing interval
62, compared with the case where face between 362 is the plane orthogonal with the moving direction for processing formed punch 34,334, it is applied to movable part
130 shear strength becomes smaller.When shear strength becomes smaller, compared with the case where not becoming smaller, movable part 130 be broken a possibility that become
It is low.
In the manufacturing method of the metal member of present embodiment, compared with following situations, pass through mobile processing interval
362 and former 330 make movable part 130 cut a possibility that be lower.The situation refers to, top section 360 and mobile processing district
Between face between 362 the case where being the plane orthogonal with the indentation moving direction of formed punch 334 is extruded.This is because, in indentation work
In sequence S216, the movable part 130 in canister portion 110 is pressed into the recessed of former 330 by the taper section 370 for extruding indentation formed punch 334
Portion 342.When shear strength becomes smaller, compared with the case where not becoming smaller, movable part 130 be broken a possibility that be lower.
(explanation of variation)
Embodiment of disclosure is considered in all respects only as illustrating.The scope of the present invention is not based on above-mentioned embodiment party
Formula limits.Certainly, without departing from the spirit and scope of the invention, various design alterations can also be carried out.
For example, former 330 also can have the big entrance road 340 of internal diameter, to replace having recess portion 342.In such case
Under, root, which thickens process S202, can also not have press-fitting step S216.
In addition, processing formed punch is not limited to above-mentioned formed punch.As long as processing formed punch can implement two following processes
The formed punch of at least one party.A side in described two processes is to make tip side inner peripheral portion 120 in canister portion 110 to root
The mobile process of side inner peripheral portion 122.Another party in described two processes is, by canister portion 110 to root side inner peripheral portion
Divide 122 mobile tip side inner peripheral portions 120 to the process extruded with the projected direction opposite side of canister portion 110.Therefore, example
Such as, a kind of processing formed punch both can be used for inner peripheral portion mobile process S210, can be used for extruding process S214.For this hair
The mobile processing interval that bright processing formed punch can also not have the top section of cone-shaped and connect with the top section.
The explanation of appended drawing reference:
30,230,330 former
32,232,332 pressing mold
34 inner circumferential movable punching heads
40 enter road
42 recess portions
60,360 top section
62,362 mobile processing interval
64 roots section
70,370 taper section
72, the constant section of 372 rugosity
100 semi-finished product
110 canister portions
112 plate-like portions
120 tip side inner peripheral portions
122 root side inner peripheral portions
130 movable parts
140 gauffers
234 reforming plungers
334 extrude indentation formed punch
Claims (4)
1. a kind of manufacturing method of metal member,
The manufacturing method includes:
Canister portion formation process forms canister portion on metal sheet blank by plastic processing；And
Root thickens process, thickens the root portion of cartridge；Wherein,
The root thickens process
Inner peripheral portion mobile process, processing formed punch move the tip side inner peripheral portion in cartridge to root side inner peripheral portion
It is dynamic；And
Process is extruded, the shape clamped around the root of the cartridge in the metal sheet blank by former and pressing mold
Under state, the processing formed punch is by the movable part moved in the inner peripheral portion mobile process in cartridge to from institute
It states when being observed around the root of canister portion and the projected direction opposite side of cartridge extrudes.
2. the manufacturing method of metal member as described in claim 1, which is characterized in that
The processing formed punch includes
Top section is configured in tip side；And
Mobile processing interval, connect with the top section, and configuration is in root side when from the top section, than described
Top section is thick；
The inner peripheral portion mobile process has following process: being made by the mobile processing interval of the processing formed punch described
Tip side inner peripheral portion is mobile to the root side inner peripheral portion；
The process that extrudes has following process: inhibiting the movable part to institute in the top section of the processing formed punch
State canister portion inner space stretch out during, the mobile processing interval of the processing formed punch is by the movable part Xiang Cong
It is extruded when being observed around the root of cartridge with the projected direction opposite side of cartridge.
3. the manufacturing method of metal member as claimed in claim 2, which is characterized in that
The mobile processing interval of the processing formed punch includes
Taper section, is directly connected to and tapered shape with the top section；And
The constant section of rugosity connect with the top section via the taper section and rugosity is constant,
In the extrusion process, it is described processing formed punch the taper section by the movable part of cartridge to institute
The projected direction opposite side for stating canister portion extrudes.
4. the manufacturing method of metal member as claimed in claim 3, which is characterized in that
The former includes
The processing formed punch enters road；And
Recess portion, configuration are pressed at the edge into road for the movable part in cartridge,
It further includes press-fitting step that the root, which thickens process, in the press-fitting step, the tapered zone of the processing formed punch
Between the movable part in cartridge is pressed into the recess portion of the former.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016227914A JP6849212B2 (en) | 2016-11-24 | 2016-11-24 | Manufacturing method of metal parts |
| JP2016-227914 | 2016-11-24 | ||
| PCT/JP2017/000468 WO2018096693A1 (en) | 2016-11-24 | 2017-01-10 | Method for manufacturing metal member |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109922902A true CN109922902A (en) | 2019-06-21 |
| CN109922902B CN109922902B (en) | 2021-01-08 |
Family
ID=62195847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780066520.4A Active CN109922902B (en) | 2016-11-24 | 2017-01-10 | Method for manufacturing metal member |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6849212B2 (en) |
| CN (1) | CN109922902B (en) |
| WO (1) | WO2018096693A1 (en) |
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| CN113967690A (en) * | 2021-09-15 | 2022-01-25 | 惠州市海尚科技有限公司 | Machining process of high-tensile-strength tooth hole |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019132000A1 (en) * | 2017-12-28 | 2019-07-04 | ユニプレス株式会社 | Method for press forming annular part |
| JP7044690B2 (en) * | 2018-11-26 | 2022-03-30 | 本田技研工業株式会社 | Manufacturing method of metal parts |
| MX2021011759A (en) * | 2019-04-03 | 2021-10-22 | Nippon Steel Corp | Method for manufacturing press-molded article. |
| CN112916783B (en) * | 2021-02-07 | 2023-06-23 | 哈尔滨工业大学 | Plate forging forming die device with local hole thickening characteristic and technological method |
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| CN113967690A (en) * | 2021-09-15 | 2022-01-25 | 惠州市海尚科技有限公司 | Machining process of high-tensile-strength tooth hole |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6849212B2 (en) | 2021-03-24 |
| WO2018096693A1 (en) | 2018-05-31 |
| JP2018083215A (en) | 2018-05-31 |
| CN109922902B (en) | 2021-01-08 |
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