CN104998967A - Thermal-forming control mold and method of complete martensite transformation - Google Patents
Thermal-forming control mold and method of complete martensite transformation Download PDFInfo
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- CN104998967A CN104998967A CN201510397503.1A CN201510397503A CN104998967A CN 104998967 A CN104998967 A CN 104998967A CN 201510397503 A CN201510397503 A CN 201510397503A CN 104998967 A CN104998967 A CN 104998967A
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- die
- thermoforming
- material pressing
- pressing core
- mould
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- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
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- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/16—Heating or cooling
Abstract
The invention relates to a thermal-forming control mold of complete martensite transformation. The control mold is characterized by comprising an upper mold assembly, a lower mold assembly, top ejecting systems and a cooling system, wherein the upper mold assembly comprises an upper mold backing plate, an upper mold holder and a splicing concave mold; the lower mold assembly comprises a lower mold backing plate, a lower mold holder and a forming convex mold; the top ejecting systems are arranged on the upper mold backing plate and the lower mold backing plate respectively; the upper mold holder and the splicing concave mold are arranged on the upper mold backing plate; the forming convex mold and the lower mold holder are arranged on the lower mold backing plate; the cooling system is arranged on the upper mold assembly or the lower mold assembly or on both of the upper mold assembly and the lower mold assembly. The thermal-forming control mold disclosed by the invention is artful and compact in overall structural design, low in cost and high in precision. Through the adoption of the thermal-forming control mold, the quenching efficiency is improved, and the service life of the mold is prolonged.
Description
Technical field
The present invention relates to a kind of control mould, the thermoforming being specifically related to a kind of complete formation of martensite controls mould and control method, belongs to thermoforming stamping technology field.
Background technology
Hot press-formed technology is heated to by boron steel steel plate
austenitechange state, is quickly transferred to mould high speed stamping, and when ensureing certain pressure, product carries out with the cooling velocity being greater than 27 DEG C/s in die ontology
quenchingprocess, pressurize is quenched a period of time, has evenly to obtain
martensitethe forming mode of the super-high strength steel part of tissue.Thermoforming auto parts and components stamping technology, its objective is and after quenching, change austenite steel plate into martensite ultrahigh-strength steel plates profiled member, but the difficult point of this technology is the complete martensitic transformation how controlling sheet material, the steel plate forming part of complete formation of martensite is only had to be only ultrahigh-strength steel plates profiled member, in order to solve this technical problem, those skilled in the art is also constantly attempting new method, such as be controlled to the speed of mould, increase cooling device etc., these measures alleviate prior art to a certain extent, but not fundamentally on solve the problem.
Summary of the invention
The present invention, just for the technical problem existed in prior art, provides a kind of drop stamping control device of complete formation of martensite, and this device overall construction design is ingenious, compact, cost is lower, and precision is high, improve quenching efficiency, extend the mold use life-span.
To achieve these goals, technical scheme of the present invention is as follows, the thermoforming of complete formation of martensite controls mould, it is characterized in that, described control mould comprises upper die component, lower mold assemblies, bullet top system and cooling system, described upper die component comprises upper die plate, upper bolster, splicing die, described lower mold assemblies comprises counterdie backing plate, die shoe and forming convax mould, bullet top system is separately positioned on upper die plate and counterdie backing plate, described upper bolster, splicing die is arranged on upper die plate, described forming convax mould, die shoe is arranged on counterdie backing plate, described cooling system to be arranged on upper die component or on lower mold assemblies or be arranged on upper die component and lower mold assemblies simultaneously.Whole technical scheme compact conformation, reasonable in design, on upper die component or lower mold assemblies, be provided with cooling system in this technical scheme, substantially increase quenching efficiency, ensure that the uniformity of formed product, improve product quality.
As a modification of the present invention, described splicing die comprises die plate insert and movable material pressing core, and described movable material pressing core is arranged in the middle of two die plate inserts, and wherein die plate insert and movable material pressing core are arranged on upper bolster, are fixed by fastening bolt.In this technical scheme, die plate insert and movable material pressing core are provided separately, in forming process, first movable material pressing core first contacts hot plate material, play binder effect, two die plate inserts contact with hot plate simultaneously and press down with patrix, make material product-centered uniformly to both sides flowing in forming process, ensure that the homogenize material flowing of forming convax mould boss both sides; Secondly, movable material pressing core is subject to the opposition of nitrogen cylinder in punching course, this active force is greater than the elastic force of nitrogen cylinder, be less than stamping press, after punching press terminates, nitrogen cylinder gives movable binder block downforce, can give stamping parts pressing force when making movable material pressing core up with upper bolster, keeps the forming stability of thermoforming part.
As a modification of the present invention, described bullet top Operation system setting is nitrogen cylinder or spring, nitrogen cylinder or spring is provided with above described movable material pressing core, patrix cushion block is provided with above described nitrogen cylinder or spring, described nitrogen cylinder or spring are bolted on patrix cushion block, wherein the formation of nitrogen cylinder is more than or equal to formed product height, is convenient to formed product.
As a modification of the present invention, described upper bolster is provided with wearing plate, described cushion block is fixed on wearing plate, and described cushion block, wearing plate are all set to rectangle.
As a modification of the present invention, described movable material pressing core is provided with hanging platform mechanism.Prevent movable material pressing core from coming off in the punching course of high frequency time, while guarantee activity material pressing core installation strength, improve die life and safe operation.
As a modification of the present invention, described lower mold assemblies also comprises counterdie push rod, counterdie cushion block, and described counterdie push rod is arranged on above nitrogen cylinder or spring, and nitrogen cylinder or spring are arranged on die shoe by counterdie cushion block.
As a modification of the present invention, described cooling system is set to cooling water channel, and described forming convax mould is provided with cooling water channel.
As a modification of the present invention, described movable material pressing core is provided with cooling water channel, this cooling water channel is that profiling array is arranged, the gap wherein between cooling water channel is 50mm; Described die plate insert is provided with cooling water channel, and the gap wherein between cooling water channel is 50mm.The cooling water flow velocity of the cooling water channel on movable material pressing core is less than the cooling water flow velocity of two die plate inserts, movable material pressing core is in hot plate forming process, by its cooling system, hot plate is quenched, due to different cooling flow velocitys, make the different shaping position of thermoforming part there is quench rates difference, this quench rates difference is convenient to improve quenching efficiency, improves the accuracy of quenching technical Intervention Timing, shorten the cool time of thermoforming part, quenching efficiency is improved greatly.
The thermoforming of complete formation of martensite controls the control method of mould, it is characterized in that, said method comprising the steps of, 1) punch press drives upper die component descending, first movable material pressing core contacts the steel plate of heat under the effect of nitrogen cylinder, and is compressed on by the steel plate of heat in the protruding profile of forming convax mould, and the cooling system on movable material pressing core is started working, cool time is 3s, carries out precompressed, prequenching to profiled member convex surface;
2) punch press continues descending, and two die plate inserts contact with hot plate, make it shaping under pressure, enter quenching, packing stage simultaneously; Quenching to be heated to the boron steel of austenitizing, utilizes the cooling system of this device to be as cold as Technology for Heating Processing under Ms thermoisopleth soon with the cooling rate being greater than critical cooling rate; Pressurize is that mould is closed under the pressure effect of punch press, and punch press provides the pressure of about about 400T to make thermoforming part keep about the 8-12s time after shaping to mould simultaneously, in order to shaping, that quenching controls the resilience of product technique simultaneously;
3), after quenching, pressurize terminate, punch press is up, and now thermoforming part is under the effect of movable material pressing core, remains on punch die cavity;
4) punch press continues up, and movable material pressing core departs from thermoforming part, and counterdie push rod is arranged on above nitrogen cylinder, and nitrogen cylinder is arranged on die shoe by counterdie cushion block, and profiled member, under the effect of nitrogen cylinder, ejects by counterdie push rod, and product takes out by manipulator.
Relative to prior art, advantage of the present invention is as follows: 1) overall construction design of the present invention is ingenious, and compact conformation is practical; 2) splicing die is provided with in this technical scheme, die plate insert in splicing die and movable material pressing core are provided separately, become three independently structure members, in forming process, the first contact material of first movable material pressing core, play binder effect, make material product-centered uniformly to both sides flowing in forming process, ensure that the uniformity of material both sides, secondly, two die plate inserts contact with hot plate simultaneously, improve quenching efficiency; 3) on movable material pressing core, forming convax mould and die plate insert, cooling water channel is provided with in this technical scheme, because cooling water flow velocity between each cooling water channel is different, the different shaping position of thermoforming part is made to there is quench rates difference, this quench rates difference is convenient to improve quenching efficiency, improve the accuracy of quenching technical Intervention Timing, shorten the cool time of thermoforming part, quenching efficiency is improved greatly, guarantee that thermoforming part is reached the technological transformation object of complete formation of martensite; 4) this technical scheme cost price low, saved the mold repair working time, saved the mold repair time, added service life.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention;
Fig. 2 is mould open mode schematic diagram;
Fig. 3 is mould open closed schematic diagram;
In figure: 1, upper die plate, 2, upper bolster, 3, bullet top system composition, 4, splicing die, 41, die plate insert, 42, movable material pressing core, 5, forming convax mould, 6, die shoe, 7, counterdie backing plate, 8, cooling water channel, 9, cushion block, 10, nitrogen cylinder, 11, steel plate.
Detailed description of the invention
In order to deepen the understanding of the present invention and understanding, below in conjunction with the drawings and specific embodiments, the invention will be further described and introduce.
embodiment 1:
See Fig. 1, a kind of thermoforming of complete formation of martensite controls mould, described control mould comprises upper die component, lower mold assemblies, bullet top system 3 and cooling system, described upper die component comprises upper die plate 1, upper bolster 2, splicing die 4, described lower mold assemblies comprises counterdie backing plate 7, die shoe 6 and forming convax mould 5, described bullet top system 3 is separately positioned on upper die plate and counterdie backing plate, described upper bolster 2, splicing die 4 is arranged on upper die plate 1, described forming convax mould 5, die shoe 6 is arranged on counterdie backing plate 7, described cooling system to be arranged on upper die component or on lower mold assemblies or be arranged on upper die component and lower mold assemblies simultaneously.See Fig. 2, on upper die component and lower mold assemblies, be provided with cooling system in this technical scheme, substantially increase quenching efficiency, ensure that the uniformity of formed product, improve product quality.
embodiment 2:
See Fig. 1, Fig. 2, as a modification of the present invention, described splicing die 4 comprises die plate insert 41 and movable material pressing core 42, and described movable material pressing core 42 is arranged in the middle of two die plate inserts 41, wherein die plate insert 41 and movable material pressing core are arranged on upper bolster, are fixed by fastening bolt.In this technical scheme, die plate insert 41 and movable material pressing core 42 are provided separately, in forming process, first movable material pressing core 42 first contacts hot plate material, play binder effect, two die plate inserts 41 contact with hot plate simultaneously and press down with patrix, make material product-centered uniformly to both sides flowing in forming process, ensure that the homogenize material flowing of forming convax mould boss both sides; Secondly, movable material pressing core is subject to the opposition of nitrogen cylinder in punching course, this active force is greater than the elastic force of nitrogen cylinder, be less than stamping press, after punching press terminates, nitrogen cylinder gives movable binder block downforce, can give stamping parts pressing force when making movable material pressing core up with upper bolster, keeps the forming stability of thermoforming part.All the other structures are identical with embodiment 1 with advantage.
embodiment 3:
See Fig. 1, Fig. 2, as a modification of the present invention, described bullet top system 3 is set to nitrogen cylinder or spring, nitrogen cylinder or spring is provided with above described movable material pressing core, patrix cushion block is provided with above described nitrogen cylinder or spring, described nitrogen cylinder or spring are bolted on patrix cushion block, and wherein the formation of nitrogen cylinder is more than or equal to formed product height, is convenient to formed product.All the other structures are identical with embodiment 1 with advantage.
embodiment 4:
See Fig. 1, Fig. 2, as a modification of the present invention, described upper bolster is provided with wearing plate, described cushion block is fixed on wearing plate, and described cushion block, wearing plate are all set to rectangle, and described movable material pressing core is provided with hanging platform mechanism.Prevent movable material pressing core from coming off in the punching course of high frequency time, while guarantee activity material pressing core installation strength, improve die life and safe operation.All the other structures are identical with embodiment 1 with advantage.
embodiment 5:
See Fig. 1, Fig. 2, as a modification of the present invention, described lower mold assemblies also comprises counterdie push rod, counterdie cushion block, and described counterdie push rod is arranged on above nitrogen cylinder or spring, and nitrogen cylinder or spring are arranged on die shoe 6 by counterdie cushion block.
embodiment 6:
See Fig. 1, Fig. 2, as a modification of the present invention, described cooling system is set to cooling water channel 8, and described forming convax mould 5 is provided with cooling water channel 8; Described movable material pressing core 42 is also provided with cooling water channel 8, and this cooling water channel is that profiling array is arranged, the gap wherein between cooling water channel is 50mm; Described die plate insert 41 is also provided with cooling water channel, and the gap wherein between cooling water channel is 50mm.The cooling water flow velocity of the cooling water channel on movable material pressing core 42 is less than the cooling water flow velocity of two die plate inserts 41, movable material pressing core 42 is in hot plate forming process, by its cooling system, hot plate is quenched, due to different cooling flow velocitys, make the different shaping position of thermoforming part there is quench rates difference, this quench rates difference is convenient to improve quenching efficiency, improves the accuracy of quenching technical Intervention Timing, shorten the cool time of thermoforming part, quenching efficiency is improved greatly.
embodiment 7:
See Fig. 1, Fig. 2, Fig. 3, the thermoforming of complete formation of martensite controls the control method of mould, said method comprising the steps of, 1) punch press drives upper die component descending, first movable material pressing core contacts the steel plate 11 of heat under the effect of nitrogen cylinder, and is compressed on by the steel plate 11 of heat in the protruding profile of forming convax mould, and the cooling system on movable material pressing core is started working, cool time is 20s, carries out precompressed, prequenching to profiled member convex surface; Precompressed for carry out binder to hot plate before mould punching action, and prequenching is for first quenching before the quenching of other positions;
2) punch press continues descending, and two die plate inserts 41 contact with hot plate 11, make it shaping under pressure, enter quenching, packing stage simultaneously; Quenching to be heated to the boron steel of austenitizing, utilizes the cooling system of this device to be as cold as Technology for Heating Processing under Ms thermoisopleth soon with the cooling rate being greater than critical cooling rate; Pressurize is that mould is closed under the pressure effect of punch press, and punch press provides the pressure of about about 200T to make thermoforming part keep about the 20s time after shaping to mould simultaneously, in order to shaping, that quenching controls the resilience of product technique simultaneously;
3), after quenching, pressurize terminate, punch press is up, and now thermoforming part is under the effect of movable material pressing core, remains on punch die cavity;
4) punch press continues up, and movable material pressing core departs from thermoforming part, and counterdie push rod is arranged on above nitrogen cylinder, and nitrogen cylinder is arranged on die shoe by counterdie cushion block, and profiled member, under the effect of nitrogen cylinder, ejects by counterdie push rod, and product takes out by manipulator.
At least one in technical characteristic described in embodiment 2,3,4,5,6 and embodiment 1 can also be combined to form new embodiment by the present invention.
It should be noted that above-described embodiment, be not used for limiting protection scope of the present invention, equivalents done on the basis of technique scheme or the alternative scope all falling into the claims in the present invention and protect.
Claims (10)
1. the thermoforming of a complete formation of martensite controls mould, it is characterized in that, described control mould comprises upper die component, lower mold assemblies, bullet top system and cooling system, described upper die component comprises upper die plate, upper bolster, splicing die, described lower mold assemblies comprises counterdie backing plate, die shoe and forming convax mould, bullet top system is separately positioned on upper die plate and counterdie backing plate, described upper bolster, splicing die is arranged on upper die plate, described forming convax mould, die shoe is arranged on counterdie backing plate, described cooling system to be arranged on upper die component or on lower mold assemblies or be arranged on upper die component and lower mold assemblies simultaneously.
2. the thermoforming of complete formation of martensite according to claim 1 controls mould, it is characterized in that, described splicing die comprises die plate insert and movable material pressing core, described movable material pressing core is arranged in the middle of two die plate inserts, wherein die plate insert and movable material pressing core are arranged on upper bolster, are fixed by fastening bolt.
3. the thermoforming of complete formation of martensite according to claim 2 controls mould, it is characterized in that, described bullet top Operation system setting is nitrogen cylinder or spring, nitrogen cylinder or spring is provided with above described movable material pressing core, be provided with patrix cushion block above described nitrogen cylinder or spring, described nitrogen cylinder or spring are bolted on patrix cushion block.
4. the thermoforming of complete formation of martensite according to claim 3 controls mould, and it is characterized in that, described upper bolster is provided with wearing plate, described patrix cushion block is fixed on wearing plate, and described patrix cushion block, wearing plate are all set to rectangle.
5. the thermoforming of the complete formation of martensite according to claim 3 or 4 controls mould, it is characterized in that, described lower mold assemblies also comprises counterdie push rod, counterdie cushion block, described counterdie push rod is arranged on above nitrogen cylinder or spring, and nitrogen cylinder or spring are arranged on die shoe by counterdie cushion block.
6. the thermoforming of complete formation of martensite according to claim 5 controls mould, it is characterized in that, described movable material pressing core is provided with hanging platform mechanism.
7. the thermoforming of complete formation of martensite according to claim 6 controls mould, and it is characterized in that, described cooling system is set to cooling water channel, and described forming convax mould is provided with cooling water channel.
8. the thermoforming of complete formation of martensite according to claim 7 controls mould, and it is characterized in that, described movable material pressing core is provided with cooling water channel, and the gap wherein between cooling water channel is 50mm.
9. the thermoforming of the complete formation of martensite according to claim 7 or 8 controls mould, and it is characterized in that, described molding concave die is provided with cooling water channel, the gap wherein between cooling water channel is 50mm.
10. the thermoforming of formation of martensite controls the control method of mould completely, it is characterized in that, said method comprising the steps of:
1) punch press drives upper die component descending, first movable material pressing core contacts the steel plate of heat under the effect of nitrogen cylinder, and the steel plate of heat is compressed in the protruding profile of forming convax mould, cooling system on movable material pressing core is started working, cool time is 3s, carries out precompressed, prequenching to profiled member convex surface;
2) punch press continues descending, and two die plate inserts contact with hot plate, make it shaping under pressure, enter quenching, packing stage simultaneously, and this process duration is 8-12s;
3), after quenching, pressurize terminate, punch press is up, and now thermoforming part is under the effect of movable material pressing core, remains on punch die cavity;
4) punch press continues up, and movable material pressing core departs from thermoforming part, and counterdie push rod is arranged on above nitrogen cylinder, and nitrogen cylinder is arranged on die shoe by counterdie cushion block, and profiled member, under the effect of nitrogen cylinder, ejects by counterdie push rod, and product takes out by manipulator.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510397503.1A CN104998967B (en) | 2015-07-09 | 2015-07-09 | The thermoforming of a kind of complete formation of martensite controls mould and control method |
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| CN201510397503.1A CN104998967B (en) | 2015-07-09 | 2015-07-09 | The thermoforming of a kind of complete formation of martensite controls mould and control method |
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| CN104998967B CN104998967B (en) | 2016-09-07 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107413960A (en) * | 2017-07-31 | 2017-12-01 | 南京星乔威泰克汽车零部件有限公司 | The insert and eccentric swage and hot forming tool of a kind of hot forming tool |
| CN107824678A (en) * | 2017-10-11 | 2018-03-23 | 南京工程学院 | A kind of stamping module method of heating of martensite steel component without transfer |
| CN109821986A (en) * | 2019-04-12 | 2019-05-31 | 佛山华翔汽车金属零部件有限公司 | Hot forming and hot punching die structure |
| CN111360156A (en) * | 2020-02-25 | 2020-07-03 | 东风天汽模（武汉）金属材料成型有限公司 | Laser tailor-welded blank, laser tailor-welded blank thermoformed part and preparation method thereof |
| CN113825574A (en) * | 2019-05-14 | 2021-12-21 | 菲尔斯系统有限责任公司 | Machining unit and machining tool for machining a workpiece on a workpiece wall, and method for producing a machining unit of said type |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110252856A1 (en) * | 2010-04-14 | 2011-10-20 | Honda Motor Co., Ltd. | Hot press forming method |
| US8261591B2 (en) * | 2008-07-25 | 2012-09-11 | Benteler Automobiltechnik Gmbh | Apparatus for hot-forming, press-quenching, and cutting semifinished hardenable-steel workpiece |
| CN103056212A (en) * | 2011-10-22 | 2013-04-24 | 大众汽车有限公司 | Tool and method for thermoforming and cutting sheet material |
| US20130327453A1 (en) * | 2012-06-12 | 2013-12-12 | Martinrea Industries, Inc. | Method for hot stamping metal |
| CN103702781A (en) * | 2011-07-28 | 2014-04-02 | 大众汽车有限公司 | Segmented press-hardening tool |
| CN103707066A (en) * | 2012-10-05 | 2014-04-09 | 现代自动车株式会社 | Device and method for hot stamping |
| CN203991969U (en) * | 2013-03-08 | 2014-12-10 | 大众汽车有限公司 | The mould hardening for thermoforming and/or pressurization with blanking punch |
-
2015
- 2015-07-09 CN CN201510397503.1A patent/CN104998967B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8261591B2 (en) * | 2008-07-25 | 2012-09-11 | Benteler Automobiltechnik Gmbh | Apparatus for hot-forming, press-quenching, and cutting semifinished hardenable-steel workpiece |
| US20110252856A1 (en) * | 2010-04-14 | 2011-10-20 | Honda Motor Co., Ltd. | Hot press forming method |
| CN103702781A (en) * | 2011-07-28 | 2014-04-02 | 大众汽车有限公司 | Segmented press-hardening tool |
| CN103056212A (en) * | 2011-10-22 | 2013-04-24 | 大众汽车有限公司 | Tool and method for thermoforming and cutting sheet material |
| US20130327453A1 (en) * | 2012-06-12 | 2013-12-12 | Martinrea Industries, Inc. | Method for hot stamping metal |
| CN103707066A (en) * | 2012-10-05 | 2014-04-09 | 现代自动车株式会社 | Device and method for hot stamping |
| CN203991969U (en) * | 2013-03-08 | 2014-12-10 | 大众汽车有限公司 | The mould hardening for thermoforming and/or pressurization with blanking punch |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107413960A (en) * | 2017-07-31 | 2017-12-01 | 南京星乔威泰克汽车零部件有限公司 | The insert and eccentric swage and hot forming tool of a kind of hot forming tool |
| CN107824678A (en) * | 2017-10-11 | 2018-03-23 | 南京工程学院 | A kind of stamping module method of heating of martensite steel component without transfer |
| CN109821986A (en) * | 2019-04-12 | 2019-05-31 | 佛山华翔汽车金属零部件有限公司 | Hot forming and hot punching die structure |
| CN113825574A (en) * | 2019-05-14 | 2021-12-21 | 菲尔斯系统有限责任公司 | Machining unit and machining tool for machining a workpiece on a workpiece wall, and method for producing a machining unit of said type |
| CN111360156A (en) * | 2020-02-25 | 2020-07-03 | 东风天汽模（武汉）金属材料成型有限公司 | Laser tailor-welded blank, laser tailor-welded blank thermoformed part and preparation method thereof |
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