CN106881395A - A kind of impulse- free robustness is punched baiting method and blanking equipment - Google Patents
A kind of impulse- free robustness is punched baiting method and blanking equipment Download PDFInfo
- Publication number
- CN106881395A CN106881395A CN201510938844.5A CN201510938844A CN106881395A CN 106881395 A CN106881395 A CN 106881395A CN 201510938844 A CN201510938844 A CN 201510938844A CN 106881395 A CN106881395 A CN 106881395A
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- China
- Prior art keywords
- punching
- punching press
- preliminary
- drift
- pressing part
- 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.)
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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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/06—Making more than one part out of the same blank; Scrapless working
-
- 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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/10—Incompletely punching in such a manner that the parts are still coherent with the work
-
- 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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/14—Dies
-
- 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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/16—Shoulder or burr prevention, e.g. fine-blanking
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention discloses a kind of impulse- free robustness punching baiting method, including step:1) preliminary punching press at least one times, the punching press trace severity control of preliminary punching press is between the 1/2 to 2/3 of material thickness every time;2) flatten, every time after preliminary punching press, pressed to material strip and flatten the corresponding boss of the punching press trace;3) bar stock cutting by punching, by preliminary punching press back towards the corresponding position bar stock cutting by punching of the punching press trace.The baiting method causes to be punched all edged surfaces that collapses in two faces of product, and be that no burr is produced on the edged surface that collapses, this just directly eliminates follow-up polishing program, so as on the one hand simplify the production technology of stamping parts, on the other hand avoids the problem appearance that the product caused by polishing gets rusty.Implement the blanking equipment that above-mentioned impulse- free robustness is punched baiting method the invention also discloses a kind of.
Description
Technical field
The present invention relates to machining technology field, blanking is punched more specifically to a kind of impulse- free robustness
Method and blanking equipment.
Background technology
Punching product is that directly punching is obtained by punch-pin and cavity plate at present, or drift, cavity plate and
Punch-pin carries out blanking and piercing with combination tool.This kind of blanking method and blanking equipment comparatively more ripe and blanking structure
Simply, but there is also some obviously shortcomings.
Have the shortcomings that blade clearance is big in current product blanking process, product is punched part when being punched
It is recessed from the side of material strip, is directly thrust after being broken from the opposite side projection of material strip.This kind of product it is non-
Collapse edged surface (i.e. material strip raised side) burr it is very big, the product being punched out also needs to carry out follow-up
Polishing, so that the surface to product optimizes, reduce influence of the burr to subsequent handling.
The manufacturing procedure that this does not only result in punching product is relatively complicated, and because polishing process is generally required
Ground using aqua, therefore for metal product, the risk that product gets rusty is also add, to product
Service life can have adverse effect on;Once other burr removal is not clean, product is also resulted in not
It is qualified, damage following process equipment a problem that generation.
Therefore, the baiting method and blanking equipment for how providing a kind of impulse- free robustness punching are current sheets
The technical problem of art personnel's urgent need to resolve.
The content of the invention
In view of this, it is an object of the invention to provide a kind of impulse- free robustness punching baiting method and blanking equipment,
So as to improve the quality of product, and simplify the production process of product simultaneously.
To achieve the above object, the impulse- free robustness punching baiting method that the present invention is provided includes step:
1) preliminary punching press at least one times, tentatively the punching press trace severity control of punching press is expecting thick 1/2 every time
To between 2/3;
2) flatten, every time after preliminary punching press, pressed to material strip and by the corresponding boss of the punching press trace
Flatten;
3) bar stock cutting by punching, by preliminary punching press back towards the corresponding position bar stock cutting by punching of the punching press trace.
Preferably, above-mentioned impulse- free robustness punching baiting method in, the step 1) in preliminary punching press number of times
For once or twice.
Disclosed in this invention blanking equipment include along the moving direction of workpiece:
Preliminary pressing part, the preliminary pressing part is provided with and is adapted to shape of product, and press depth is in material
First stamping mold of thick 1/2 to 2/3;
Pressed flat, the pressed flat includes the smooth pressure head in end and corresponding with the pressure head, and for holding
The supporting table of retainer band;
Bar stock cutting by punching portion, the bar stock cutting by punching portion is provided with the second stamping mold being adapted to shape of product,
And the pressing direction phase of the drift in the drift in second stamping mold and first stamping mold
Instead.
Preferably, in above-mentioned blanking equipment, positioning pinholes punching press was also included before the preliminary pressing part
Portion, the positioning pinholes pressing part includes pilot pin drift, and corresponding with the pilot pin drift recessed
Mould.
Preferably, in above-mentioned blanking equipment, the drift of first stamping die has what multiple was arranged concentrically
Punching sword, and the bar stock cutting by punching portion includes the punching discharge station consistent with the punching sword quantity, often
One drift being punched in discharge station punching sword different from the drift of first stamping die
Correspondence.
Preferably, in above-mentioned blanking equipment, also including being arranged on the preliminary pressing part and the pilot pin
Centre bore pressing part between the pressing part of hole, the centre bore pressing part include centre bore drift and with it is described
The corresponding cavity plate of centre bore drift.
Disclosed in this invention impulse- free robustness punching baiting method in, first carry out preliminary punching press, and tentatively
The severity control of the punching press trace of punching press after material 1/2 to 2/3 between, then flattened again, by punching press
Boss produced by trace opposite is flattened, then again from the direction opposite with preliminary punching press towards punching press trace pair
The position bar stock cutting by punching answered.This allows for being punched all edged surfaces that collapses in two faces of product, and collapses on edged surface
It is that no burr is produced, this just directly eliminates follow-up polishing program, so as on the one hand simplify punching
The production technology of casting die, on the other hand avoids the problem appearance that the product caused by polishing gets rusty.
Disclosed in this invention blanking equipment be provided with preliminary pressing part, pressed flat and bar stock cutting by punching portion,
Thus the blanking equipment can implement above-mentioned impulse- free robustness punching baiting method, therefore the blanking equipment is produced
Two faces of the punching product for going out also all edged surfaces that collapses, are that no burr is produced on the edged surface that collapses, and this is just
Follow-up polishing process is directly eliminated, so as on the one hand simplify the production technology of stamping parts, the opposing party
Face avoids the problem appearance that the product caused by polishing gets rusty.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to reality
The accompanying drawing to be used needed for example or description of the prior art is applied to be briefly described, it should be apparent that, below
Accompanying drawing in description is only some embodiments of the present invention, for those of ordinary skill in the art,
On the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the flow chart of the impulse- free robustness punching baiting method disclosed in the embodiment of the present invention;
Fig. 2 is the process schematic diagram of material strip;
Fig. 3 is the structural representation of the blanking equipment disclosed in the embodiment of the present invention;
Fig. 4 is that the structure of the product produced using the blanking equipment disclosed in the embodiment of the present invention is shown
It is intended to.
Wherein,
1 be positioning pinholes pressing part, hole pressing part centered on 2,3 be preliminary pressing part, 4 be punching press under
Material portion, 41 is miscellaneous goods bar stock cutting by punching station, and 42 is medium-sized product bar stock cutting by punching station, and 43 is big product
Bar stock cutting by punching station, 5 is pressed flat, and A is positioning pinholes punching press, and hole punching press centered on B, C is preliminary
Punching press, D is walked for empty, and to flatten, F is miscellaneous goods bar stock cutting by punching to E, and G is medium-sized product bar stock cutting by punching,
H is big product bar stock cutting by punching, and K cuts off for waste material, and M is stamping products.
Specific embodiment
Core of the invention is to provide a kind of impulse- free robustness punching baiting method and blanking equipment, so as to
The quality of product is improved, and simplifies the production process of product simultaneously.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the invention, and
It is not all, of embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art are not doing
Go out the every other embodiment obtained under the premise of creative work, belong to the scope of protection of the invention.
Disclosed in this invention impulse- free robustness be punched baiting method, comprise the following steps:
S1) preliminary punching press
Preliminary punching press should be carried out at least once, in order to be stamped and formed out punching press trace according to the shape of product,
Should not be punched through for material strip between the 1/2 to 2/3 of material thickness by the severity control of punching press trace;
Skilled addressee readily understands that, by after preliminary punching press, material strip and the one of punch. contact
Face will form punching press trace, and the face is the edged surface that collapses, and the other one side of material strip will form raised.
S2) flatten
After every time by preliminary punching press, apply pressure to material strip, so as to will be convex corresponding to punching press trace
Position is played to flatten.
S3) bar stock cutting by punching
Position bar stock cutting by punching corresponding to the opposite direction with preliminary punching press towards punching press trace forms product.
As can be seen from the above technical solutions, the technical scheme disclosed in the embodiment of the present invention is first carried out just
Step punching press, and the punching press trace of preliminary punching press severity control after material 1/2 to 2/3 between, Ran Houzai
Flattened, the boss produced by punching press trace opposite is flattened, then again from opposite with preliminary punching press
Direction towards the corresponding position bar stock cutting by punching of punching press trace.All collapse in this two face for allowing for being punched product
Edged surface, and the edged surface that collapses is cut off by drift, and be not that punching press is broken, therefore do not had on the edged surface that collapses
Burr is produced, and this just directly eliminates follow-up polishing program, so as on the one hand simplify the life of stamping parts
Production. art, on the other hand avoids the problem appearance that the product caused by polishing gets rusty, as shown in Figure 4,
The endface position of stamping products is the edged surface that collapses.
By actual production verify, the number of times of preliminary punching press to be advisable once or twice, preliminary punching press number of times
Excessively on the one hand cause Production equipment complex, the depth of another aspect punching press trace is not easily controlled,
Directly material strip is thrust during preliminary punching press easily.
In addition, a kind of blanking equipment is also disclosed in the embodiment of the present invention, please also refer to Fig. 2 and
Fig. 3, Fig. 2 are the process schematic diagram of material strip, and Fig. 3 is that the punching disclosed in the embodiment of the present invention sets
Empty step is not put in standby structural representation, wherein Fig. 3 is shown.
The blanking equipment includes preliminary pressing part 3, pressed flat 5 and bar stock cutting by punching portion 4, wherein preliminary punching
Splenium 3 is provided with the shape adaptation with product, and press depth in the 1/2 to 2/3 of material thickness the first punching
Compression mould, pressed flat 5 includes the smooth pressure head in end and the supporting table being correspondingly arranged with pressure head, supporting table
Effect be support material strip, bar stock cutting by punching portion 4 is provided with the second stamping die with the shape adaptation of product
Tool, the pressing direction of the drift in drift and the first stamping mold in the second stamping mold is conversely, in punching
Pressure material portion, product is stamped shaping, and with material strip disengaging.
Drift in second stamping mold can ensure in the opposite direction with the punch in the first stamping mold
Two faces of stamping products are the edged surface that collapses, and the edged surface that collapses is cut off by drift, and are not that punching press is drawn
It is disconnected, therefore jagged will not be produced on the edged surface that collapses, this just directly eliminates follow-up polishing program, so that
On the one hand the production technology of stamping parts is simplified, on the other hand avoids what the product caused by polishing got rusty
Problem occurs, and as shown in Figure 4, the endface position of stamping products M is the edged surface that collapses.
In actual production process, in order to further improve the yield of material strip, we have also been devised and cut out a piece of cloth in a way with the minimum material to make two or more articles of clothing mould
Tool, the drift of the first stamping die has multiple punching swords being arranged concentrically, as shown in Figure 2, preliminary
In the punching press stage, the punching press trace of three kinds of concentric products, i.e. miscellaneous goods, medium-sized product and big product are formed,
The size of these three products is comparatively, to include in bar stock cutting by punching portion 4 consistent with punching sword quantity
Punching discharge station, the drift in each punching discharge station is different from the drift of the first stamping die
Punching sword correspondence.
Material strip demonstrated in Figure 2 is by after preliminary punching press, foring miscellaneous goods, medium-sized product and big product
The lantern ring type punching press trace of product, implies that there is three punching swords being arranged concentrically on the drift of the first stamping die,
Accordingly, bar stock cutting by punching portion should be including in three bar stock cutting by punching stations, and three bar stock cutting by punching stations
Drift respectively with miscellaneous goods punching sword, medium-sized product punching sword and big product punching sword it is corresponding, three
Individual bar stock cutting by punching station is accordingly miscellaneous goods bar stock cutting by punching station 41, medium-sized product bar stock cutting by punching station 42
And big product bar stock cutting by punching station 43.
In order to further optimize the technical scheme in above-described embodiment, it is ensured that material strip is steady in punching course
It is qualitative, in the blanking equipment disclosed in the present embodiment, pilot pin was also included before preliminary pressing part 3
Hole pressing part 1, as shown in Figure 3, positioning pinholes pressing part 1 includes pilot pin drift and is rushed with pilot pin
Corresponding cavity plate, the positioning pinholes stamped out on material strip are as shown in Figure 2.
Ring-type stamping parts is generally required and is stamped and formed out centre bore first, is rushing disclosed in this present embodiment
Cut out in mould, centre bore pressing part 2 be also provided between preliminary pressing part 3 and positioning pinholes pressing part 1,
As shown in Figure 3, centre bore pressing part 2 includes centre bore drift and cavity plate corresponding with centre bore drift,
Form after centre bore punching press is as shown in Figure 2.
Empty step D may be set in actual production process, between two neighboring punch steps certainly, it is empty
Step D is that any process operation, material strip as shown in Figure 2 are not carried out to it after material strip moves to the position
Multiple empty step D are just have passed through in process, and material strip is needed waste material after the blanking for completing product
Band cut-out, as shown in Figure 2, therefore the rear portion of blanking equipment should be provided with material strip cutting portion.
Whole material strip from entering after blanking equipment, sequentially pass through positioning pinholes punching press A, centre bore punching press B,
Under preliminary punching press C, empty step D, pressing E, miscellaneous goods bar stock cutting by punching F, empty step D, medium-sized product punching press
Material G, empty step D, big product bar stock cutting by punching H, finally carry out waste material cut-out K.
Each embodiment is described by the way of progressive in this specification, and each embodiment is stressed
The difference with other embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or use
The present invention.Various modifications to these embodiments will be for those skilled in the art aobvious and easy
See, generic principles defined herein can without departing from the spirit or scope of the present invention,
Realize in other embodiments.Therefore, the present invention is not intended to be limited to the embodiments shown herein,
And it is to fit to the most wide scope consistent with principles disclosed herein and features of novelty.
Claims (6)
1. a kind of impulse- free robustness is punched baiting method, it is characterised in that including step:
1) preliminary punching press at least one times, tentatively the punching press trace severity control of punching press is expecting thick 1/2 every time
To between 2/3;
2) flatten, every time after preliminary punching press, pressed to material strip and by the corresponding boss of the punching press trace
Flatten;
3) bar stock cutting by punching, by preliminary punching press back towards the corresponding position bar stock cutting by punching of the punching press trace.
2. impulse- free robustness as claimed in claim 1 is punched baiting method, it is characterised in that the step 1)
In preliminary punching press number of times for once or twice.
3. a kind of blanking equipment, it is characterised in that the moving direction along workpiece includes:
Preliminary pressing part (3), the preliminary pressing part (3) is provided with and is adapted to shape of product, and punching
First stamping mold of the pressure depth the 1/2 to 2/3 of material thickness;
Pressed flat (5), the pressed flat (5) includes the smooth pressure head in end and corresponding with the pressure head,
And for the supporting table of support material strip;
Bar stock cutting by punching portion (4), the bar stock cutting by punching portion (4) is provided with second be adapted to shape of product
Drift in drift in stamping mold, and second stamping mold and first stamping mold is rushed
Pressure is in opposite direction.
4. blanking equipment as claimed in claim 3, it is characterised in that in the preliminary pressing part (3)
Also include positioning pinholes pressing part (1) before, the positioning pinholes pressing part (1) is rushed including pilot pin
Head, and the cavity plate corresponding with the pilot pin drift.
5. blanking equipment as claimed in claim 4, it is characterised in that the drift of first stamping die
With the punching sword that multiple is arranged concentrically, and the bar stock cutting by punching portion (4) with described including being punched sword quantity
Consistent punching discharge station, each it is described punching discharge station in drift with first punching press
Punching sword correspondence different on the drift of mould.
6. blanking equipment as claimed in claim 5, it is characterised in that also described preliminary including being arranged on
Centre bore pressing part (2) between pressing part (3) and the positioning pinholes pressing part (1), it is described in
Heart hole pressing part (2) includes centre bore drift and cavity plate corresponding with the centre bore drift.
Priority Applications (1)
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CN201510938844.5A CN106881395A (en) | 2015-12-15 | 2015-12-15 | A kind of impulse- free robustness is punched baiting method and blanking equipment |
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CN201510938844.5A CN106881395A (en) | 2015-12-15 | 2015-12-15 | A kind of impulse- free robustness is punched baiting method and blanking equipment |
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CN106881395A true CN106881395A (en) | 2017-06-23 |
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CN201510938844.5A Pending CN106881395A (en) | 2015-12-15 | 2015-12-15 | A kind of impulse- free robustness is punched baiting method and blanking equipment |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107252855A (en) * | 2017-07-28 | 2017-10-17 | 桂林福达重工锻造有限公司 | A kind of automobile clutch support plate processing method |
CN107413986A (en) * | 2017-07-31 | 2017-12-01 | 桂林福达重工锻造有限公司 | A kind of automotive driven slice processing method |
CN108906977A (en) * | 2018-06-04 | 2018-11-30 | 上海泰汇液晶显示器件有限公司 | A kind of pore Sheet Metal Forming Technology on air conditioner heat radiator tube sheet |
CN109954784A (en) * | 2017-12-25 | 2019-07-02 | 鸿富锦精密工业(武汉)有限公司 | Common mode stamping equipment and common mode process for stamping |
CN111229937A (en) * | 2020-01-21 | 2020-06-05 | 山东大学 | Device and method for shearing label at end part of small-hole square head chamfer |
CN111229936A (en) * | 2020-01-21 | 2020-06-05 | 山东大学 | Device and method for shearing label at arc end part of small hole |
CN114074146A (en) * | 2021-11-19 | 2022-02-22 | 青岛征和工业股份有限公司 | Novel double-discharging-plate structure progressive stamping die |
CN114523031A (en) * | 2022-01-11 | 2022-05-24 | 上海理光数码设备有限公司 | Cutting part burr-free processing technology and product thereof |
CN116603902A (en) * | 2023-05-22 | 2023-08-18 | 嘉兴和新精冲科技有限公司 | Two-stage punching punch method for continuous die small-sized product square hole punch |
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JP2000117344A (en) * | 1998-10-15 | 2000-04-25 | Pn:Kk | Pressing method of metallic product and progressive working method |
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CN203155797U (en) * | 2013-04-01 | 2013-08-28 | 南京众得利自动化机械有限公司 | Burr removing and blanking device |
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JP2000117344A (en) * | 1998-10-15 | 2000-04-25 | Pn:Kk | Pressing method of metallic product and progressive working method |
TW200724259A (en) * | 2005-12-23 | 2007-07-01 | Metal Ind Res & Dev Ct | Manufacturing method and die for producing stampings without burr on its edge by using a continuous stamping die |
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107252855A (en) * | 2017-07-28 | 2017-10-17 | 桂林福达重工锻造有限公司 | A kind of automobile clutch support plate processing method |
CN107413986A (en) * | 2017-07-31 | 2017-12-01 | 桂林福达重工锻造有限公司 | A kind of automotive driven slice processing method |
CN109954784A (en) * | 2017-12-25 | 2019-07-02 | 鸿富锦精密工业(武汉)有限公司 | Common mode stamping equipment and common mode process for stamping |
CN108906977A (en) * | 2018-06-04 | 2018-11-30 | 上海泰汇液晶显示器件有限公司 | A kind of pore Sheet Metal Forming Technology on air conditioner heat radiator tube sheet |
CN111229937A (en) * | 2020-01-21 | 2020-06-05 | 山东大学 | Device and method for shearing label at end part of small-hole square head chamfer |
CN111229936A (en) * | 2020-01-21 | 2020-06-05 | 山东大学 | Device and method for shearing label at arc end part of small hole |
CN114074146A (en) * | 2021-11-19 | 2022-02-22 | 青岛征和工业股份有限公司 | Novel double-discharging-plate structure progressive stamping die |
CN114523031A (en) * | 2022-01-11 | 2022-05-24 | 上海理光数码设备有限公司 | Cutting part burr-free processing technology and product thereof |
CN114523031B (en) * | 2022-01-11 | 2023-12-15 | 上海理光数码设备有限公司 | Processing technology for cutting part without burr and product thereof |
CN116603902A (en) * | 2023-05-22 | 2023-08-18 | 嘉兴和新精冲科技有限公司 | Two-stage punching punch method for continuous die small-sized product square hole punch |
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