CN104399822A - Bending machine mold capable of processing round surfaces with multiple radians and application method of bending machine mold - Google Patents
Bending machine mold capable of processing round surfaces with multiple radians and application method of bending machine mold Download PDFInfo
- Publication number
- CN104399822A CN104399822A CN201410789166.6A CN201410789166A CN104399822A CN 104399822 A CN104399822 A CN 104399822A CN 201410789166 A CN201410789166 A CN 201410789166A CN 104399822 A CN104399822 A CN 104399822A
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- cutter head
- bending machine
- formed body
- groove
- patrix cutter
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- 238000005452 bending Methods 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 title claims abstract description 34
- 229920002635 polyurethane Polymers 0.000 claims abstract description 13
- 239000004814 polyurethane Substances 0.000 claims abstract description 13
- 230000003139 buffering effect Effects 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 19
- 230000002459 sustained effect Effects 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 3
- 238000003754 machining Methods 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
Abstract
The invention discloses a bending machine mold capable of processing round surfaces with multiple radians and an application method of the bending machine mold, belongs to the field of bending machines, and solves the problems that the conventional bending machine mold cannot adapt to processing of workpieces with different sizes or has a narrow application range. The bending machine mold comprises an upper mold and a lower mold, wherein the upper mold comprises an upper mold clamping part and an upper mold cutting head; the lower mold comprises a lower mold forming body and a lower mold base; the cross section of the bottom of the upper mold cutting head is arc-shaped; a first groove is formed in the lower mold base, and a second groove is formed in the bottom of the first groove; the lower mold forming body is mounted on the first groove, an arc-shaped groove is formed in the upper surface of the lower mold forming body, a hollow buffer cavity is formed in the middle of the lower mold forming body, an arc-shaped bulge is arranged on the lower surface of the lower mold forming body which is made of polyurethane; and an upward concave third groove is formed in the bottom of the lower mold base. The bending machine mold can adapt to processing of workpieces with different radians and radiuses, is good in stability and high in processing accuracy, and the quality of workpiece surfaces is high.
Description
Technical field
The invention belongs to bender field, specifically, relate to a kind of bending machine die and using method thereof of processing multi-radian disc.
Background technology
Bender machines by the mould changing difformity and specification the workpiece that different size requires, the geomery of general mould is once decide, just can only process a kind of workpiece of geomery, and in the middle of real work, a lot of workpiece only has very little change in size, therefore more mold exchange both wasted the production time, and the production of mould causes very large cost to drop into, this problem can be solved, especially easily bounce-back after processing in the urgent need to producing a kind of mould that can adapt to the processing request of different size workpiece.
China Patent No. ZL201320044048.3, the patent document in publication date on August 28th, 2013, disclose a kind of Bending Mould, comprise spherical upper die and lower die, described counterdie comprises the one-level boss that bilateral symmetry is arranged, with the U-shaped groove formed by described one-level boss, described spherical patrix and described U-shaped fit depressions, described counterdie is also provided with polyurethane backing plate, the two ends of polyurethane backing plate are placed on the one-level boss of described both sides respectively, by a kind of Bending Mould that this utility model proposes, can reach and improve the quality of products, the object saved material.But the polyurethane backing plate that this utility model adopts is a monoblock, and its buffering range is less, limiting can the size range of processing work.
China Patent No. ZL201120489206.7, the patent document in publication date on July 11st, 2012, discloses a kind of without indentation bending machine die.It comprises upper die and lower die, also comprises plastic plate, and described counterdie top offers T-slot; The outline shape of described plastic plate is rectangle, and described plastic plate is embedded in the top of the T-slot of described counterdie; Described plastic plate is polyurethane sheet; Polyurethane sheet upper surface offers V-type recess along its length.The phenomenon that after using this utility model bending machine die effectively can reduce processing, panel surface scratches.But this utility model counterdie surface is without workpiece configurations shape, and described polyurethane sheet is an entity structure, less stable in actual process, and poor to the envelope effect of surface of the work, the workpiece size that can process is restricted.
Summary of the invention
The problem that 1, will solve
The workpiece processing different size can not be adapted to for existing bending machine die, machining accuracy is low, easily damage is caused to workpiece, and the mould accommodation that part is applicable to processing different size workpiece is narrow, and the problem of poor stability, the invention provides a kind of bending machine die and using method thereof of processing multi-radian disc, it can adapt to the workpiece processing different radius of the radian, and machining accuracy is high, workpiece surface quality is high, good stability, using method of the present invention can effectively for the workpiece of different circular arc radius of the radian demand, process surface quality high, the product that precision is high.
2, technical scheme
For solving the problem, the present invention adopts following technical scheme.
Process a bending machine die for multi-radian disc, comprise mold and bed die, described mold comprises patrix clamping portion and patrix cutter head; Described bed die comprises counterdie formed body and die shoe; The cross section of the bottom of described patrix cutter head is circular arc; Described die shoe is provided with the first groove, and the bottom of the first groove is provided with the second groove; Described counterdie formed body is arranged on the first groove, and the upper surface of counterdie formed body is provided with circular groove, is provided with buffering cavity in the middle part of counterdie formed body, and its lower surface is provided with arc-shaped convex, and the material of counterdie formed body is polyurethane; The bottom of described die shoe is provided with the 3rd groove to fovea superior.
Preferably, the radius of the circular groove of described counterdie formed body upper surface is 25mm, and the degree of depth is 9mm; The arc radius of described patrix cutter head lower end is 15-50mm, and the central angle that circular arc is corresponding is 45 °.
Preferably, the shape of described buffering cavity is crescent.
Preferably, the arc radius of described buffering cavity upper surface is 25mm.
Preferably, described buffering cavity is enclosed cavity, and the atmospheric pressure value in cavity is 0.5-1.2MPa.
Preferably, the described upper surface of counterdie formed body and the upper surface of die shoe are positioned at sustained height.
Preferably, the angle between described patrix cutter head and vertical direction is 45 °.
Process a using method for the bending machine die of multi-radian disc, the steps include:
(A) first die shoe is fixed on bending machine die base, is fastened by bolts;
(B) counterdie formed body is placed on the first groove;
(C) select patrix cutter head lower end arc radius and workpiece want the equal-sized mold of bending arc radius, patrix clamping portion is fixed in the device for clamping mould on slider of bender, the position of adjustment patrix cutter head, makes the circular groove just in time aiming at counterdie formed body bottom it;
(D) be 1-2mm by thickness to be processed, the sheet material adopting Cr25Mo3Ti to prepare is placed on the upper surface of counterdie formed body, and sheet material needs the position of bending to aim at the circular groove of counterdie formed body;
(E) patrix cutter head moves down under bender dynamic action, if t=0 when patrix cutter head contacts with workpiece to be processed, the speed that patrix cutter head work is entered is V; Then according to workpiece to be processed the time t that patrix cutter head work enters and the speed V that patrix cutter head work is entered that wants bending arc radius R size to set:
When the interval of R value is [15,25], t is in 0 to 0.9s, and patrix cutter head at the uniform velocity work enters, and speed V=10mm/s, t are in 0.9 to 1.9s, and patrix cutter head enters with speed V=10sin (90t+9) work, until patrix cutter head stops;
When R value in interval be (25,50], t 0 to
in, patrix cutter head at the uniform velocity work enters, speed V=10mm/s, afterwards with V=10sin9
speed work enter, until V=0 stop;
(F) patrix cutter head is return fast, for work is entered to prepare next time; Take off workpiece, bending and molding step completes.
Preferably, the span of described R is [15,50].
3, beneficial effect
Compared to prior art, beneficial effect of the present invention is:
(1) the present invention includes mold and bed die, mold comprises patrix clamping portion and patrix cutter head; Bed die comprises counterdie formed body and die shoe; The cross section of the bottom of patrix cutter head is circular arc; Die shoe is provided with the first groove, and the bottom of the first groove is provided with the second groove, and the second groove provides a cushion space can to mould in the course of the work, and more saves material on manufacturing; Counterdie formed body is arranged on the first groove, the upper surface of counterdie formed body is provided with circular groove, buffering cavity is provided with in the middle part of counterdie formed body, its lower surface is provided with arc-shaped convex, and the material of counterdie formed body is polyurethane, and the counterdie formed body anti-wear performance of polyurethane material is good, and certain buffering contractility can be had, be provided with buffering cavity in the middle part of counterdie formed body, increase the buffer capacity of mould further, increase the accuracy of manufacture of workpiece; The bottom of die shoe is provided with the 3rd groove to fovea superior; Apparatus of the present invention can adapt to the workpiece processing different arc radius, and bed die and different workpieces degree of fitting is high, and machining accuracy is high, stable, reliable;
(2) radius of the circular groove of counterdie formed body upper surface of the present invention is 25mm, and the degree of depth is 9mm, and this shape counterdie formed body is when processing the workpiece of different arc radius, and effect is best, and precision is the highest; The arc radius of patrix cutter head lower end is 15-50mm, and the angle between patrix cutter head and vertical direction is 45 °, and the central angle that circular arc is corresponding is 45 °, adapt to Machining Arc radius within the scope of 15-50mm, the angle on the workpiece both sides workpiece that equals 90 °;
(3) the present invention cushions the shape of cavity is crescent, the arc radius of buffering cavity upper surface is 25mm, buffering cavity is enclosed cavity, atmospheric pressure value in cavity is 0.5-1.2MPa, the good form fit with needing processing work of buffering cavity energy, workpiece is played to the effect of buffer protection, increase the machining accuracy of workpiece further;
(4) upper surface of counterdie formed body of the present invention and the upper surface of die shoe are positioned at sustained height, are convenient to place workpiece to be processed, make workpiece to be processed maintenance level before processing, improve crudy;
(5) using method of the present invention can safety, process the different workpieces of arc radius within the scope of 15-50mm accurately, production efficiency is high, greatly reduce the output of cost input and labour, the most important thing is to rebound by place work piece, be especially applicable to sheet material prepared by Cr25Mo3Ti.
Accompanying drawing explanation
Fig. 1 is the structural representation of apparatus of the present invention;
Fig. 2 is the schematic diagram of apparatus of the present invention processing work;
Fig. 3 is functional principal figure within the scope of the inventive method Machining Arc radius 15-25mm;
Fig. 4 is functional principal figure within the scope of the inventive method Machining Arc radius 15-50mm;
Work speed curve map when Fig. 5 is workpiece within the scope of the inventive method Machining Arc radius 15-25mm;
Work speed curve map when Fig. 6 is workpiece within the scope of the inventive method Machining Arc radius 15-50mm.
In figure: 1, patrix clamping portion; 2, patrix cutter head; 3, counterdie formed body; 4, die shoe; 5, cavity is cushioned; 6, workpiece.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described further.
Embodiment 1
As depicted in figs. 1 and 2, a kind of bending machine die processing multi-radian disc, comprises mold and bed die, and mold comprises patrix clamping portion 1 and patrix cutter head 2; Bed die comprises counterdie formed body 3 and die shoe 4; The cross section of the bottom of patrix cutter head 2 is circular arc, and arc radius is 25mm, and the central angle that circular arc is corresponding is 45 °, and the angle between patrix cutter head 2 and vertical direction is 45 °; Die shoe 4 is provided with the first groove, and the bottom of the first groove is provided with the second groove; Counterdie formed body 3 is arranged on the first groove, the upper surface of counterdie formed body 3 and the upper surface of die shoe 4 are positioned at sustained height, and the upper surface of counterdie formed body 3 is provided with circular groove, and the radius of circular groove is 25mm, the degree of depth is 9mm, is provided with buffering cavity 5 in the middle part of counterdie formed body 3; The shape of buffering cavity 5 is crescent, and the arc radius of buffering cavity 5 upper surface is 25mm, and buffering cavity 5 is enclosed cavity, and the atmospheric pressure value in cavity is 0.5MPa; Counterdie formed body 3 lower surface is provided with arc-shaped convex, and the material of counterdie formed body 3 is polyurethane; The bottom of die shoe 4 is provided with the 3rd groove to fovea superior.
Apparatus structure in the present embodiment is simple, in practical work process, arc radius is the patrix cutter head 2 of 25mm, the counterdie formed body 3 that can be 25mm with the radius of circular groove is well combined, the workpiece effect of processing this size is good, precision is high, material is that counterdie formed body 3 wearability of polyurethane is good, there is certain elasticity, well can improve Workpiece Machining Accuracy, and the workpiece processing different arc radius can be adapted to, decrease the processing and manufacturing of reply different size mould, reduce production cost, improve production efficiency.
As shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 5, a kind of using method of processing the bending machine die of multi-radian disc, the steps include:
(A) first die shoe 4 is fixed on bending machine die base, is fastened by bolts;
(B) counterdie formed body 3 is placed on the first groove;
(C) selection arc radius is the patrix cutter head 2 of 25mm, is fixed in the device for clamping mould on slider of bender by patrix clamping portion 1, and the position of adjustment patrix cutter head 2, makes the circular groove just in time aiming at counterdie formed body 3 bottom it;
(D) be 2mm by thickness to be processed, the sheet material adopting Cr25Mo3Ti to prepare is placed on the upper surface of counterdie formed body 3, and sheet material needs the position of bending to aim at the circular groove of counterdie formed body 3;
(E) bender is started, patrix cutter head 2 is moved down under bender dynamic action, when patrix cutter head 2 contacts with workpiece to be processed, namely during t=0, arranging the speed that patrix cutter head 2 work enters is V=10mm/s, after elapsed time 0.9s, namely during t=0.9s, the curve speed that patrix cutter head 2 work is entered being adjusted to V=10sin (90t+9) with the formula slows down, until V=0, patrix cutter head 2 stops work entering, and returns patrix cutter head 2 fast, for work is entered to prepare next time; Take off workpiece, workpiece Bending Processing completes.
Using method in the present embodiment is simple, quick, safety, whole Bending Processing process only has 1.9s, and can accurately process required workpiece, and operating efficiency is high, not there is resilience in the workpiece most importantly after processing, can be widely used in all kinds of appliance shell bending and molding production line.
Embodiment 2
Process a bending machine die for multi-radian disc, identical with the device in embodiment 1, difference is, the cross section of the bottom of patrix cutter head 2 is circular arc, and arc radius is 50mm; Buffering cavity 5 is enclosed cavity, and the atmospheric pressure value in cavity is 1MPa
As shown in Figure 1, Figure 2, shown in Fig. 4 and Fig. 6, a kind of using method of processing the bending machine die of multi-radian disc, the steps include:
(A) first die shoe 4 is fixed on bending machine die base, is fastened by bolts;
(B) counterdie formed body 3 is placed on the first groove;
(C) selection arc radius is the patrix cutter head 2 of 50mm, is fixed in the device for clamping mould on slider of bender by patrix clamping portion 1, and the position of adjustment patrix cutter head 2, makes the circular groove just in time aiming at counterdie formed body 3 bottom it;
(D) be 1mm by thickness to be processed, the sheet material adopting Cr25Mo3Ti to prepare is placed on the upper surface of counterdie formed body 3, and sheet material needs the position of bending to aim at the circular groove of counterdie formed body 3;
(E) start bender, patrix cutter head 2 is moved down under bender dynamic action, when patrix cutter head 2 contacts with workpiece to be processed, namely during t=0, arranging the speed that patrix cutter head 2 work enters is V=10mm/s, the elapsed time
after, namely during t=0.384s, the speed that patrix cutter head 2 work is entered is adjusted to the formula
Curve slow down, until V=0, patrix cutter head 2 stops work entering, and returns patrix cutter head 2 fast, for work is entered to prepare next time; Take off workpiece, workpiece Bending Processing completes.
Using method in the present embodiment is simple, fast, safety, whole Bending Processing process only has 1.384s, and can accurately process required workpiece, and operating efficiency is high, workpiece without resilience, good forming effect.
Embodiment 3
Process a bending machine die for multi-radian disc, identical with the device in embodiment 1, difference is, the cross section of the bottom of patrix cutter head 2 is circular arc, and arc radius is 15mm; Buffering cavity 5 is enclosed cavity, and the atmospheric pressure value in cavity is 1.2MPa.
As shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 5, a kind of using method of processing the bending machine die of multi-radian disc, the steps include:
(A) first die shoe 4 is fixed on bending machine die base, is fastened by bolts;
(B) counterdie formed body 3 is placed on the first groove;
(C) selection arc radius is the patrix cutter head 2 of 15mm, is fixed in the device for clamping mould on slider of bender by patrix clamping portion 1, and the position of adjustment patrix cutter head 2, makes the circular groove just in time aiming at counterdie formed body 3 bottom it;
(D) be 1.5mm by thickness to be processed, the sheet material adopting Cr25Mo3Ti to prepare is placed on the upper surface of counterdie formed body 3, and sheet material needs the position of bending to aim at the circular groove of counterdie formed body 3;
(E) bender is started, patrix cutter head 2 is moved down under bender dynamic action, when patrix cutter head 2 contacts with workpiece to be processed, namely during t=0, arranging the speed that patrix cutter head 2 work enters is V=10mm/s, after elapsed time 0.9s, namely during t=0.9s, the curve speed that patrix cutter head 2 work is entered being adjusted to V=10sin (90t+9) with the formula slows down, until V=0, patrix cutter head 2 stops work entering, and returns patrix cutter head 2 fast, for work is entered to prepare next time; Take off workpiece, workpiece Bending Processing completes.
Claims (9)
1. can process a bending machine die for multi-radian disc, comprise mold and bed die, described mold comprises patrix clamping portion (1) and patrix cutter head (2); Described bed die comprises counterdie formed body (3) and die shoe (4), it is characterized in that: the cross section of the bottom of described patrix cutter head (2) is circular arc; Described die shoe (4) is provided with the first groove, and the bottom of the first groove is provided with the second groove; Described counterdie formed body (3) is arranged on the first groove, the upper surface of counterdie formed body (3) is provided with circular groove, counterdie formed body (3) middle part is provided with buffering cavity (5), its lower surface is provided with arc-shaped convex, and the material of counterdie formed body (3) is polyurethane; The bottom of described die shoe (4) is provided with the 3rd groove to fovea superior.
2. a kind of bending machine die processing multi-radian disc according to claim 1, is characterized in that: the radius of the circular groove of described counterdie formed body (3) upper surface is 25mm, and the degree of depth is 9mm; The arc radius of described patrix cutter head (2) lower end is 15-50mm, and the central angle that circular arc is corresponding is 45 °.
3. a kind of bending machine die processing multi-radian disc according to claim 1, is characterized in that: the shape of described buffering cavity (5) is crescent.
4. a kind of bending machine die processing multi-radian disc according to claim 3, is characterized in that: the arc radius of described buffering cavity (5) upper surface is 25mm.
5. according to a kind of bending machine die processing multi-radian disc in claim 1-4 described in any one, it is characterized in that: described buffering cavity (5) is enclosed cavity, and the atmospheric pressure value in cavity is 0.5-1.2MPa.
6. a kind of bending machine die processing multi-radian disc according to claim 1, is characterized in that: the upper surface of described counterdie formed body (3) and the upper surface of die shoe (4) are positioned at sustained height.
7. a kind of bending machine die processing multi-radian disc according to claim 6, is characterized in that: the angle between described patrix cutter head (2) and vertical direction is 45 °.
8. a kind of using method of processing the bending machine die of multi-radian disc according to claim 1, the steps include:
(A) first die shoe (4) is fixed on bending machine die base, is fastened by bolts;
(B) counterdie formed body (3) is placed on the first groove;
(C) select patrix cutter head (2) lower end arc radius and workpiece want the equal-sized mold of bending arc radius, patrix clamping portion (1) is fixed in the device for clamping mould on slider of bender, the position of adjustment patrix cutter head (2), makes the circular groove just in time aiming at counterdie formed body (3) bottom it;
(D) be 1-2mm by thickness to be processed, the sheet material adopting Cr25Mo3Ti to prepare is placed on the upper surface of counterdie formed body (3), and sheet material needs the position of bending to aim at the circular groove of counterdie formed body (3);
(E) patrix cutter head (2) moves down under bender dynamic action, if t=0 when patrix cutter head (2) contacts with workpiece to be processed, the speed that patrix cutter head (2) work is entered is V; Then according to workpiece to be processed the time t that patrix cutter head (2) work enters and the speed V that patrix cutter head (2) work is entered that wants bending arc radius R size to set:
When the interval of R value is [15,25] time, t is in 0 to 0.9s, patrix cutter head (2) at the uniform velocity work enters, speed V=10mm/s, t is in 0.9 to 1.9s, and patrix cutter head (2) enters with speed V=10sin (90t+9) work, until patrix cutter head (2) stops;
When R value in interval be (25,50], t 0 to
in, patrix cutter head (2) at the uniform velocity work enters, speed V=10mm/s, afterwards with
speed work enter, until V=0 stop;
(F) patrix cutter head (2) is return fast, for work is entered to prepare next time; Take off workpiece, bending and molding step completes.
9. a kind of using method of processing the bending machine die of multi-radian disc according to claim 8, is characterized in that: the span of described R is [15,50].
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610034580.5A CN105665532B (en) | 2014-12-18 | 2014-12-18 | A kind of application method for the bending machine die for processing multi-radian disc |
| CN201410789166.6A CN104399822B (en) | 2014-12-18 | 2014-12-18 | A kind of bending machine die processing multi-radian disc |
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| CN201410789166.6A CN104399822B (en) | 2014-12-18 | 2014-12-18 | A kind of bending machine die processing multi-radian disc |
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| CN201610034580.5A Division CN105665532B (en) | 2014-12-18 | 2014-12-18 | A kind of application method for the bending machine die for processing multi-radian disc |
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| CN104399822A true CN104399822A (en) | 2015-03-11 |
| CN104399822B CN104399822B (en) | 2016-04-13 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108273874A (en) * | 2017-12-20 | 2018-07-13 | 南京埃斯顿自动化股份有限公司 | The method of the clamping point and stop location adjust automatically of bender |
| CN108500145A (en) * | 2018-06-07 | 2018-09-07 | 杭州杰恺自动化设备有限公司 | A kind of automatic bending and molding pressing device of refrigerator doors coverboard |
| CN109500156A (en) * | 2018-12-28 | 2019-03-22 | 天津航天长征火箭制造有限公司 | Grid siding bend molding apparatus and method in a kind of high muscle thickness rate |
| CN109909378A (en) * | 2019-03-21 | 2019-06-21 | 安徽省矿业机电装备有限责任公司 | A method of for batch micro operations snap ring |
| CN111037636A (en) * | 2019-12-27 | 2020-04-21 | 湖南鼎一致远科技发展有限公司 | Cutter deceleration method and device |
| CN112387890A (en) * | 2020-09-25 | 2021-02-23 | 邵东县华帝龙箱包有限公司 | Processing device for case and bag fixing strip |
| CN112496098A (en) * | 2020-11-11 | 2021-03-16 | 航天科工哈尔滨风华有限公司 | Overtravel bending positioning process method for numerical control sheet metal machining |
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Cited By (10)
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| CN108273874A (en) * | 2017-12-20 | 2018-07-13 | 南京埃斯顿自动化股份有限公司 | The method of the clamping point and stop location adjust automatically of bender |
| CN108500145A (en) * | 2018-06-07 | 2018-09-07 | 杭州杰恺自动化设备有限公司 | A kind of automatic bending and molding pressing device of refrigerator doors coverboard |
| CN108500145B (en) * | 2018-06-07 | 2023-10-10 | 杭州杰恺自动化设备有限公司 | Automatic forming compression fittings that bends of refrigerator door shell board |
| CN109500156A (en) * | 2018-12-28 | 2019-03-22 | 天津航天长征火箭制造有限公司 | Grid siding bend molding apparatus and method in a kind of high muscle thickness rate |
| CN109909378A (en) * | 2019-03-21 | 2019-06-21 | 安徽省矿业机电装备有限责任公司 | A method of for batch micro operations snap ring |
| CN111037636A (en) * | 2019-12-27 | 2020-04-21 | 湖南鼎一致远科技发展有限公司 | Cutter deceleration method and device |
| CN112387890A (en) * | 2020-09-25 | 2021-02-23 | 邵东县华帝龙箱包有限公司 | Processing device for case and bag fixing strip |
| CN112387890B (en) * | 2020-09-25 | 2023-08-25 | 广州市汇桐实业集团有限公司 | Processing device for luggage fixing strip |
| CN112496098A (en) * | 2020-11-11 | 2021-03-16 | 航天科工哈尔滨风华有限公司 | Overtravel bending positioning process method for numerical control sheet metal machining |
| CN112605181A (en) * | 2020-11-30 | 2021-04-06 | 湖北江山专用汽车有限公司 | Method for forming small-diameter metal round table and formed round table thereof |
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| CN104399822B (en) | 2016-04-13 |
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Denomination of invention: A bending machine mold capable of processing multi arc circular surfaces Effective date of registration: 20231127 Granted publication date: 20160413 Pledgee: Hengshan Ma'anshan finance Company limited by guarantee Pledgor: ANHUI LIYUAN NUMERICAL CONTROL CUTTING TOOL AND PATTERNS MANUFACTURING Co.,Ltd. Registration number: Y2023980067468 |