CN102452002A - Automobile plate blanking method and system - Google Patents
Automobile plate blanking method and system Download PDFInfo
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- CN102452002A CN102452002A CN2010105158865A CN201010515886A CN102452002A CN 102452002 A CN102452002 A CN 102452002A CN 2010105158865 A CN2010105158865 A CN 2010105158865A CN 201010515886 A CN201010515886 A CN 201010515886A CN 102452002 A CN102452002 A CN 102452002A
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- 238000005520 cutting process Methods 0.000 claims abstract 26
- 239000000463 material Substances 0.000 claims abstract 22
- 239000002699 waste material Substances 0.000 claims abstract 17
- 238000003698 laser cutting Methods 0.000 claims abstract 7
- 238000007599 discharging Methods 0.000 abstract 1
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Abstract
The invention discloses a blanking method and a blanking system for an automobile plate, wherein the blanking method comprises the following steps: firstly, discharging automobile sheet materials, determining the shape and size of the materials according to the multiple length of the sheet materials, and cutting the materials into the materials; then, designing a lining plate die according to the waste materials to be cut off during material assembling, wherein blanking holes are formed in the lining plate die in a hollow mode at positions corresponding to the waste materials, and the size of each blanking hole is larger than that of the blanking of the actual cutting waste materials; then, placing the assembly on a lining plate mold; laser cutting the group materials according to the shape of the automobile sheet material, and dropping the cut waste materials onto a waste material conveying belt at the lower part through a blanking hole of the lining plate die; and stacking the cut sheet materials. The invention can effectively treat the cutting waste and improve the blanking efficiency.
Description
Technical field
The present invention relates to auto manufacturing technology, particularly a kind of Automobile Plate blanking method and system.
Background technology
Traditional Automobile Plate blanking adopts the mould blanking, and its equipment is formed and comprised: supply unit, press unit and stacking unit.Simple tablet shape (like rectangle, trapezoidal and arc) can adopt pendulum butt formula, and the tablet of complex curve adopts the mould blanking.The blanking line need be according to the different blanking die of tablet size shape configuration of vehicle, through changing the different tablet of die production.
Automobile Plate blanking line operating efficiency is very high, 4,000,000～6,000,000/every year.By 3800 hours annual calculating, average per minute was about 25.
Along with the fast development in recent years of high power laser technology, many institutes and manufacturer begin one's study and are used for Automobile Plate blanking technology based on optical fiber laser.U.S. AUTOMATIC FEED and French AIRLIDUILD company have issued the Automobile Plate blanking technology based on cut in public information.The technical scheme of U.S. AUTOMATIC FEED company proposes two kinds of blanking patterns based on laser technology: a kind of roll coil of strip continuous feed blanking, a kind of is the stepping blanking.
1, strip continuous feed blanking:
Sheet stock is carried out discharge, and the quantity n according to the laser cutting head that is provided with is divided into n part according to the operation homeostatic principle with single-piece sheet stock line of cut; When strip got into first cutting operation zone, the first's line segment or the curve of cutting sheet stock were like semicircle; When strip got into second cutting operation zone, the second portion line segment or the curve of cutting sheet stock were like other hemicycle.The circle waste material is fallen on the waste material band of bottom; When strip gets into the 3rd cutting operation zone, the third part line segment or the curve of cutting sheet stock; Limit portion waste material is fallen on the waste material band of bottom; When strip gets into the 4th cutting operation zone, the 4th part line segment or curve of cutting sheet stock.Limit portion waste material is fallen on the waste material band of bottom; Strip through the clamping driven roller after, the 5th cutting head transverse cuts cut the last coupling part between the sheet stock; Sheet stock gets into buttress material zone, and stacking.
2, stepping blanking:
Sheet stock is carried out discharge; Blank in groups, and be transported to cutting work station; The group material gets into cutting zone, and stops; Two groups of transfer rollers vertically are adjusted to cutting waste material shape before and after the cutting work station; First zone cutting of sheet stock is accomplished, and waste material falls into the waste material conveyer belt; Strip advances to second cutting zone of sheet stock and stops; Two groups of transfer rollers vertically are adjusted to cutting waste material shape before and after the cutting work station; Second zone cutting of sheet stock accomplished, and waste material falls into the waste material conveyer belt; Strip advances to the 3rd cutting zone of sheet stock and stops; Two groups of transfer rollers vertically are adjusted to cutting waste material shape before and after the cutting work station; The 3rd zone cutting of sheet stock accomplished, and waste material falls into the waste material conveyer belt; After single each sheet stock cutting is accomplished, get into the stacking zone through transport.Follow-up strip is cut equally.
In addition, AIR LIQUILD company has proposed a kind of waste material blanking scheme of strip cross-brace adjustment.
AUTOMATIC FEED company and two families of AIR LIQUILD company unite the technical scheme that has proposed a kind of stepping laser blanking, totally adopt AIR LIQUILD company arrangement, and waste disposal adopts vertical adjustment scheme of AUTOMATIC FEED company.This scheme adopts expects and finished product tablet and stacking tablet with 3 robot transports of the 7th in groups.5 cut unit are set, and wherein two is the cutting of sheet in groups, and three is the subregional cutting of monolithic material in addition.Also have two stations in addition as buffering batch turning station.
Tradition pendulum cut-off-die blanking does not grip for the strip front end has, the operating type that rear end folder rod stepping is carried.The strip bottom is wheeled supporting way, adopts the backhaul locking device during blanking operation.
The strip mode of movement of the continuous blanking that AUTOMATIC FEED company proposes has pinch roll in blanking cutting zone front and back end, and strip is pressed setting speed at this zone continuous feed.Discard transfer apparatus is arranged at the strip bottom, and the waste material of cutting is fallen on the conveyer belt.Last cutter is breaking at after the pinch roll of rear end.
The technological difficulties of this feeding style have following several aspect:
1. cut based on the shape of speed controlling strategy
What the size and shape error was had that the cutting operation of requirement adopts is the displacement control strategy, can guarantee the geometric accuracy requirement of cutting profile like this.The speed controlling strategy that the continuous blanking of AUTOMATIC FEED adopts, it is accurate based on pinching the strip speed of service, and the cutting robot of rectangular co-ordinate carries out cutting operation by track and the speed set.Pinch roll and strip velocity deviation thereof will be brought the error of cutting profile, and joint-cutting can't dock, and waste material can not come off.Since many cutting machine operations simultaneously, even adopt strip speed measuring device (like laser velocimeter), the also difficult joint-cutting butt joint of guaranteeing the multiple devices cutting operation.
2. three equipment linear velocities are identical, and the scheme of AUTOMATIC FEED requires strip pinch roll speed, two of pinch roll front and back to support strip pin type endless conveyors by same speed operation, otherwise the meeting of support of the pin type on the conveyer belt scratches strip.
3. pin type supports the pin on the carrier chain, the one, be prone to cut bad, the 2nd, the little waste material of cutting is prone to be stuck on the conveyer belt.
4. the plate shape of cutting zone can't guarantee
When friction feeding and cutting, strip is at the state of cutting zone.This scheme has three sections cutting zones to add top pinch roll cut-out zone afterwards, zones of different of each zone cutting sheet stock.Strip is in has the state that pinches tension force, but the horizontal tension of the different sections of strip is widely different, and plate shape can't guarantee, the quality of influence cutting.During cutting operation, cutting head and plate identity distance are from 0.5mm～1mm.
5. back pinch roll punishment in advance is difficult
Friction feeding and when cutting, plate during pinch roll, are not only pulled pinch roll easily, and can be caused getting stuck even broken belt later.
6. strip wanders off to the influence of shape cutting
Strip is carried through pinch roll, and spacing is more than 10m, strip walk the batch waste product that the assistant general causes cutting operation.So this scheme must have the correction centralising device.
7. the joint-cutting merging precision requires high
In zones of different, cut completion because tablet be many cover cutting machines, the cutting machine operation of later operation need dock with the joint-cutting of preceding operation, come off to guarantee waste material.Because at strip moving process butt joint joint-cutting, pinch roll motion and Cartesian robot motion progress and plate shape are proposed very high requirement, the technology of realization and equipment cost are very high.
8. the sheet stock cutting track under the relative motion situation
Though cutting equipment is the robot of rectangular co-ordinate 3DOF, because the strip unidirectional motion, the idle stroke that the tablet cutting track is difficult to realize or needs are a large amount of guarantees.
9. separate unit cutting machine fault can cause producing the line stopping production
Because the strategy that adopted many covers cutting machine that same sheet stock zones of different is cut, when cutting equipment fault wherein, can influence the operation that whole piece produces line.When list overlaps the cutting machine fault, accomplish the cutting operation that produces line like need, must adopt complicated cutting control strategy and hardware technology to realize the cutting operation under the abnormal conditions.
The Automobile Plate laser stepping blanking scheme that AUTOMATIC FEED company and AIR LIQUILD company unite proposition is a lot of by force than the technical feasibility of the continuous blanking scheme of AUTOMATIC FEED company proposition.The technological difficulties of this stepping blanking are the blanking of waste material and produce the line yield in unit time.
Summary of the invention
The object of the present invention is to provide a kind of Automobile Plate blanking method and system, can improve the efficient of blanking effectively to the cutting waste disposal.
For achieving the above object, technical scheme of the present invention is:
The Automobile Plate blanking method at first, carries out discharge to the Automobile Plate sheet stock, press the sheet stock multiple lengths and confirm group material shape, size, and cutting is expected in groups; Then, need the waste material of excision to carry out the design of liner plate mould according to the group material, corresponding waste material place hollow out forms material-dropping hole on the liner plate mould, and the material-dropping hole size is greater than the size of reality cutting waste material blanking; Then, will organize material is placed on the liner plate mould; To the shape laser cutting of group material by the Automobile Plate sheet stock, the waste material of excision is fallen on the scrap web of bottom through the material-dropping hole of liner plate mould; The sheet stock of well cutting carries out the stacking operation.
Further, after the cutting of group material, will organize material by transfer robot and be carried on the liner plate mould of cutting working cell from group material carrier chain; The cutting equipment of cutting working cell carries out the cutting operation of sheet stock, and the waste material of excision is fallen bottom waste material guide groove from the material-dropping hole of liner plate mould, and is slipped on the waste material conveyer belt; After the cutting of monolithic material is accomplished, respectively the sheet stock of well cutting is carried out the stacking operation by the stacking robot.
In addition, the liner plate mould is designed to one group of 4 sheet stock, or is 6 one group according to the operation Design of length of producing line.
Again, each transfer robot of group material carrier chain both sides, two cutting working cells are respectively established in the transfer robot both sides; Each cuts the side of working cell and establishes the stacking robot.
Described transfer robot adopts the vacuum cup mode to pick up and placement group material.
Described liner plate mould is cutting processing on the cutting working cell directly, and the location.
Automobile Plate blanking system of the present invention, it comprises, group material carrier chain; At least one transfer robot is arranged at group material carrier chain one side; At least one cutting working cell is positioned at transfer robot one side; At least one laser cutting machine established in the cutting working cell; The side of cutting working cell is established the stacking robot; The liner plate mould is arranged at the cutting working cell, and corresponding waste material place hollow out forms material-dropping hole on the liner plate mould, and the material-dropping hole size is greater than the size of reality cutting waste material blanking; The liner plate mould bottom of cutting working cell is provided with the waste material chute, and corresponding waste material chute is also established scrap web.
Further, a transfer robot is respectively established in described group of material carrier chain both sides, and two cutting working cells are respectively established in the transfer robot both sides, forms 4 cutting working cells; Two laser cutting machines are established in each cutting working cell, and the side of each cutting working cell is established 2 stacking robots.
Described laser cutting machine is the Cartesian robot form, can be longitudinally, transverse movement, and two laser cutting machines are vertically having part forked working zone.
The invention has the advantages that:
The present invention adopts the rejecting mode of cut waste material; Continuous and the stepping discharged way that is different from AUTOMATIC FEED and AIR LIQUILD company; The sheet stock carrier chain need not to carry waste material or need not dynamically adjust the flexible carrier chain length that connects material, and it carries out waste material through sheet stock liner plate mould and removes.The present invention adopts the separate unit Cartesian robot to accomplish the cutting operation of monolithic material, has avoided the joint-cutting butt joint of AUTOMATICFEED and AIR LIQUILD company blanking scheme and the variety of issue that cutting accuracy brings.
Tool flexibility of the present invention and independence, the fault of wherein single cover cutting equipment does not influence the operation that whole piece produces line, only needs that fault cutting equipment automatic or manual is left cutting zone and gets final product.
Description of drawings
Fig. 1 is the vertical view of Automobile Plate blanking system one embodiment of the present invention.
Fig. 2 is the schematic perspective view of one embodiment of the invention.
Fig. 3 is the side view of Fig. 2.
Fig. 4 is the sketch map of liner plate mould of the present invention.
The specific embodiment
Referring to Fig. 1～Fig. 4, one embodiment of the present of invention.In the present embodiment, Automobile Plate blanking system of the present invention, it comprises, group material carrier chain 1; Two transfer robots 2,3 are arranged at group material carrier chain 1 one sides; Four the cutting working cells 5,5 ', 5 ", 5 ' ", be positioned at transfer robot 2,3 one sides; Two laser cutting machines 6,6 ' are established in cutting working cell 5 (with cutting working cell 5 is example, and other cutting working cells are identical); The side of cutting working cell 5 (with cutting working cell 5 is example, down together) is established 2 stacking robots 7,7 '; Liner plate mould 8 is arranged at cutting working cell 5, and corresponding waste material place hollow out forms material-dropping hole 81 on the liner plate mould 8, and the material-dropping hole size is greater than the size of reality cutting waste material blanking; Carrying out discharge formation group material 4 by sheet stock is positioned on the liner plate mould 8; Liner plate mould 8 bottoms of cutting working cell 5 are provided with waste material chute 9, and corresponding waste material chute 9 is also established scrap web 10.
Described laser cutting machine 6,6 ' is the Cartesian robot form, can be longitudinally, transverse movement, and two cutting machines 6,6 ' are vertically having part forked working zone.
Press sheet stock discharge actual conditions in groups, cutting group material.Be General Motors D06 back door inner panel thin plate sheet stock group material situation in the present embodiment, this group material 4 contains four socket sheet stocks 11.
The group material is transported to desired location through group material carrier chain 1, supplies two transfer robots 2,3 to get material.Two transfer robots 2,3 are got material successively according to Job Policies and are placed into four cutting working cells 5,5 ', 5 respectively ", 5 ' " the liner plate mould on and the location.
Each cutting working cell 5 comprises: the laser cutting machine 6,6 ' of the base frame 51 of cutter unit, liner plate mould 8, two Cartesian robot forms.
The vertical impulse stroke of the cut machine operation of two Cartesian robot forms covers two sheet stock cutting zones.Two cutting machines are vertically having part forked working zone.
Each cutting working cell configuration one cover stacking unit.Each stacking unit comprises two stacking robots and two buttress positions, four buttress positions or six buttress positions.The stacking robot adopts vacuum cup to pick up mode.The stacking strategy is: big part can adopt single-piece vacuum pick stacking; Smallclothes adopt many and pick up way of stacking, and the sucker position can dynamically be adjusted, and divide the buttress windrow; Carry out finished product in the time of cutting operation and pick up the stacking operation, i.e. robot is accomplished in cutting just can pick up also stacking.
The work flow of cut blanking is following:
After second group expected that reaching transfer robot picks up the position, transfer robot 3 picked up second block of group material, transported and be placed into cutting working cell 5 " the liner plate mould on.Cutting working cell 5 " two laser cutting machines begin to organize the cutting operation of material according to presetting cutting strategy and operation track;
After the 3rd group expected that reaching transfer robot picks up the position, transfer robot 2 picked up the 3rd block of group material, transports and is placed on the liner plate mould of cutting working cell 5 '.Two laser cutting machines of cutting working cell 5 ' begin to organize the cutting operation of material according to presetting cutting strategy and operation track;
After the 4th group expected that reaching transfer robot picks up the position, transfer robot 3 picked up the 4th block of group material, transported and be placed into cutting working cell 5 ' " the liner plate mould on.Cutting working cell 5 ' " two cutting machines begin to organize the cutting operation of material according to presetting cutting strategy and operation track;
Each cuts the working cell after individual sheet stock or the cutting of many sheet stocks are accomplished, and the stacking robot 7,7 ' of corresponding stacking robot such as correspondence cutting working cell 5 picks up the stacking operation.
After cutting working cell 5 cutting operations and stacking operation completion, laser cutting machine 6,6 ' moves to two ends of cutting base frame respectively.Transfer robot 2 is transported to the 5th block of group material on the 5 liner plate moulds of cutting working cell, and laser cutting machine 6,6 ' cutting machine begin cutting operation.
So move in circles, the 6th block of group material is transported to cutting working cell 5 "; The 7th block of group material is transported to cutting working cell 5 '; The 8th block of group material is transported to cutting working cell 5 ' ".
The present invention is because the cutting working cell is arranged in employing group material carrier chain both sides; And cooperate transfer robot, stacking robot; Make whole piece produce line tool flexibility and independence; The fault of single cover cutting equipment does not influence the operation that whole piece produces line, only needs that fault cutting equipment automatic or manual is left cutting zone and gets final product.
Claims (10)
1. the Automobile Plate blanking method at first, carries out discharge to the Automobile Plate sheet stock, press the sheet stock multiple lengths and confirm group material shape, size, and cutting is expected in groups; Then, need the waste material of excision to carry out the design of liner plate mould according to the group material, corresponding waste material place hollow out forms material-dropping hole on the liner plate mould, and the material-dropping hole size is greater than the size of reality cutting waste material blanking; Then, will organize material is placed on the liner plate mould; To the shape laser cutting of group material by the Automobile Plate sheet stock, the waste material of excision is fallen on the scrap web of bottom through the material-dropping hole of liner plate mould; The sheet stock of well cutting carries out the stacking operation.
2. Automobile Plate blanking method as claimed in claim 1 is characterized in that, after the cutting of group material, will organize material by transfer robot and be carried on the liner plate mould of cutting working cell from group material carrier chain; The cutting equipment of cutting working cell carries out the cutting operation of sheet stock, and the waste material of excision is fallen bottom waste material guide groove from the material-dropping hole of liner plate mould, and is slipped on the waste material conveyer belt; After the cutting of monolithic material is accomplished, respectively the sheet stock of well cutting is carried out the stacking operation by the stacking robot.
3. according to claim 1 or claim 2 Automobile Plate blanking method is characterized in that the liner plate mould is designed to one group of 4 sheet stock, or is 6 one group according to the operation Design of length of producing line.
4. Automobile Plate blanking method as claimed in claim 2 is characterized in that, each transfer robot of group material carrier chain both sides, and two cutting working cells are respectively established in the transfer robot both sides; Each cuts the side of working cell and establishes the stacking robot.
5. like claim 1 or 2 or 4 described Automobile Plate blanking methods, it is characterized in that described transfer robot adopts the vacuum cup mode to pick up and placement group material.
6. according to claim 1 or claim 2 Automobile Plate blanking method is characterized in that, described liner plate mould is cutting processing on the cutting working cell directly, and the location.
7. the Automobile Plate blanking system is characterized in that, comprise,
Group material carrier chain;
At least one transfer robot is arranged at group material carrier chain one side;
At least one cutting working cell is positioned at transfer robot one side; At least one laser cutting machine established in the cutting working cell; The side of cutting working cell is established the stacking robot;
The liner plate mould is arranged at the cutting working cell, and corresponding waste material place hollow out forms material-dropping hole on the liner plate mould, and the material-dropping hole size is greater than the size of reality cutting waste material blanking;
The liner plate mould bottom of cutting working cell is provided with the waste material chute, and corresponding waste material chute is also established scrap web.
8. Automobile Plate blanking system as claimed in claim 7 is characterized in that, a transfer robot is respectively established in described group of material carrier chain both sides, and two cutting working cells are respectively established in the transfer robot both sides, forms 4 cutting working cells; Two laser cutting machines are established in each cutting working cell, and the side of each cutting working cell is established 2 stacking robots.
9. like claim 7 or 8 described Automobile Plate blanking systems, it is characterized in that described laser cutting machine is the Cartesian robot form.
10. Automobile Plate blanking system as claimed in claim 8 is characterized in that, described laser cutting machine is the Cartesian robot form, can be longitudinally, transverse movement, and two laser cutting machines are vertically having part forked working zone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010515886 CN102452002B (en) | 2010-10-22 | 2010-10-22 | Blanking method and system for automobile plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010515886 CN102452002B (en) | 2010-10-22 | 2010-10-22 | Blanking method and system for automobile plate |
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| CN102452002A true CN102452002A (en) | 2012-05-16 |
| CN102452002B CN102452002B (en) | 2013-07-17 |
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| CN 201010515886 Active CN102452002B (en) | 2010-10-22 | 2010-10-22 | Blanking method and system for automobile plate |
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Cited By (11)
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| WO2013131266A1 (en) * | 2012-03-08 | 2013-09-12 | 宝山钢铁股份有限公司 | Motor vehicle panel blanking method and system |
| CN103600172A (en) * | 2013-04-28 | 2014-02-26 | 宝山钢铁股份有限公司 | Uncoiling and blanking method |
| CN103600170A (en) * | 2013-04-28 | 2014-02-26 | 宝山钢铁股份有限公司 | Longitudinal metal plate feeding, discharging and cutting method and system |
| CN103600171A (en) * | 2013-04-28 | 2014-02-26 | 宝山钢铁股份有限公司 | Metal plate feeding, discharging and cutting method and system |
| CN103600173A (en) * | 2013-04-28 | 2014-02-26 | 宝山钢铁股份有限公司 | Double-station quick-table cutting method and system adopting method |
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| CN109351840A (en) * | 2018-09-30 | 2019-02-19 | 东风汽车集团有限公司 | A blanking method for realizing longitudinal precision cutting on an uncoiling blanking die |
| CN109732385A (en) * | 2018-12-26 | 2019-05-10 | 江苏新时代造船有限公司 | A kind of ship steel scrap recycling diced system |
| CN111842671A (en) * | 2020-07-17 | 2020-10-30 | 格致汽车科技股份有限公司 | A method for designing stacking pockets for cold stamping dies |
| CN112654455A (en) * | 2018-05-15 | 2021-04-13 | 自动工程有限公司 | Laser cutting system and method |
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| US9566677B2 (en) | 2012-03-08 | 2017-02-14 | Baoshan Iron & Steel Co., Ltd. | Motor vehicle panel blanking method and system |
| WO2014177030A1 (en) * | 2013-04-28 | 2014-11-06 | 宝山钢铁股份有限公司 | Method of uncoiling and blanking |
| CN103600171A (en) * | 2013-04-28 | 2014-02-26 | 宝山钢铁股份有限公司 | Metal plate feeding, discharging and cutting method and system |
| CN103600173A (en) * | 2013-04-28 | 2014-02-26 | 宝山钢铁股份有限公司 | Double-station quick-table cutting method and system adopting method |
| WO2014177035A1 (en) * | 2013-04-28 | 2014-11-06 | 宝山钢铁股份有限公司 | Method for loading, unloading, and cutting a longitudinal metal plate and system thereof |
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| CN103600170B (en) * | 2013-04-28 | 2015-08-26 | 宝山钢铁股份有限公司 | A kind of longitudinal metal plate loading and unloading and cutting method and system thereof |
| CN103600171B (en) * | 2013-04-28 | 2015-12-09 | 宝山钢铁股份有限公司 | The method and system of a kind of metallic plate loading and unloading and cutting |
| CN103600173B (en) * | 2013-04-28 | 2015-12-09 | 宝山钢铁股份有限公司 | The method of the fast platform cutting of a kind of two station and system thereof |
| CN103600170A (en) * | 2013-04-28 | 2014-02-26 | 宝山钢铁股份有限公司 | Longitudinal metal plate feeding, discharging and cutting method and system |
| CN103600172B (en) * | 2013-04-28 | 2017-02-08 | 宝山钢铁股份有限公司 | Uncoiling and blanking method |
| CN103600172A (en) * | 2013-04-28 | 2014-02-26 | 宝山钢铁股份有限公司 | Uncoiling and blanking method |
| US9700962B2 (en) | 2013-04-28 | 2017-07-11 | Baoshan Iron & Steel Co., Ltd. | Longitudinal metal plate loading/unloading and cutting method and system thereof |
| CN105858551A (en) * | 2016-05-03 | 2016-08-17 | 江苏中天科技股份有限公司 | Double-station wide-travel clamping type fork for grabbing optical fiber discs |
| CN108581218A (en) * | 2018-04-10 | 2018-09-28 | 上海柏楚电子科技股份有限公司 | Convenient for the chopping method of waste material separation in a kind of tubing laser cutting |
| CN108581218B (en) * | 2018-04-10 | 2020-03-20 | 上海柏楚电子科技股份有限公司 | Shredding method facilitating waste separation in pipe laser cutting |
| CN112654455A (en) * | 2018-05-15 | 2021-04-13 | 自动工程有限公司 | Laser cutting system and method |
| CN109351840A (en) * | 2018-09-30 | 2019-02-19 | 东风汽车集团有限公司 | A blanking method for realizing longitudinal precision cutting on an uncoiling blanking die |
| CN109732385A (en) * | 2018-12-26 | 2019-05-10 | 江苏新时代造船有限公司 | A kind of ship steel scrap recycling diced system |
| CN111842671A (en) * | 2020-07-17 | 2020-10-30 | 格致汽车科技股份有限公司 | A method for designing stacking pockets for cold stamping dies |
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