CN114643329B - Axial plug-in component lead shearing method and lead shearing tool - Google Patents
Axial plug-in component lead shearing method and lead shearing tool Download PDFInfo
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- CN114643329B CN114643329B CN202011511106.XA CN202011511106A CN114643329B CN 114643329 B CN114643329 B CN 114643329B CN 202011511106 A CN202011511106 A CN 202011511106A CN 114643329 B CN114643329 B CN 114643329B
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- groove
- lead
- shearing
- supporting plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F11/00—Cutting wire
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
- Supply And Installment Of Electrical Components (AREA)
Abstract
The invention provides a lead shearing method and a lead shearing tool for an axial plug-in component, wherein the lead shearing method for the axial plug-in component adopts the lead shearing tool, a tool body of the lead shearing tool is provided with a containing groove, a first shearing groove and a second shearing groove, one side of the containing groove is provided with a first supporting plate, and the other side of the containing groove is provided with a second supporting plate; the lead shearing method comprises the following steps: step S10, arranging the component body in the accommodating groove, wherein the component body extends along the width direction of the accommodating groove; s20, bending the inserted lead overlapped on the first supporting plate to the first shearing groove; bending the inserted lead wire overlapped with the second supporting plate to the second shearing groove; and S30, cutting the inserted lead along the bottom wall of the first supporting plate, and cutting the inserted lead along the bottom wall of the second supporting plate. The invention relieves the technical problem of poor consistency of axial plug-in component lead cutting.
Description
Technical Field
The invention relates to the technical field of electronic assembly, in particular to a lead shearing method and a lead shearing tool for an axial plug-in component.
Background
The two ends of the axial plug-in component are provided with leads, and in the production of electronic assembly, the leads of the axial plug-in component are welded on the printed board. To facilitate soldering, the leads need to be cut first. Currently, manual shearing is generally used. In production, the cutting of the lead takes more time, and the length and the shape of the cut lead are different due to the instability of the skill of operators, so that the height of a welding spot is distributed in a fluctuation state within a certain range of values after the lead is welded with a printed board, and the overall consistency is poor.
Disclosure of Invention
The invention aims to provide a lead shearing method and a lead shearing tool for an axial plug-in component, so as to solve the technical problem of poor lead shearing consistency of the axial plug-in component.
The above object of the present invention can be achieved by the following technical solutions:
the invention provides a method for shearing leads of an axial plug-in component, which adopts a lead shearing tool, wherein the lead shearing tool comprises the following steps: a tool body; the tool body is provided with a containing groove, a first shearing groove and a second shearing groove, one side of the containing groove is provided with a first supporting plate, and the other side of the containing groove is provided with a second supporting plate; the first shearing groove is positioned at one end of the first supporting plate, which is away from the accommodating groove, and the second shearing groove is positioned at one end of the second supporting plate, which is away from the accommodating groove;
the axial plug-in component comprises a component body and two plug-in leads which extend outwards from two ends of the component body respectively;
the lead shearing method comprises the following steps:
step S10, arranging the component body in the accommodating groove, wherein the component body extends along the width direction of the accommodating groove, and the inserting leads at two ends are respectively overlapped with the first supporting plate and the second supporting plate;
step S20, bending the inserted lead wire overlapped with the first supporting plate along the outer side wall of the first supporting plate towards the first shearing groove; bending the inserted lead wire overlapped on the second supporting plate towards the second shearing groove along the outer side wall of the second supporting plate;
and S30, cutting the inserted lead along the bottom wall, close to the first cutting groove, of the first supporting plate, and cutting the inserted lead along the bottom wall, close to the second cutting groove, of the second supporting plate.
In a preferred embodiment, the top wall of the first support plate and the top wall of the second support plate are each provided with a lead groove extending in the width direction of the accommodation groove; in step S10, the lead wire is disposed in the lead wire groove.
In a preferred embodiment, in step S20, a bending radius of the lead wire bent along the outer side wall of the first support plate and a bending radius of the lead wire bent along the outer side wall of the second support plate are equal to r; the diameter of the inserted lead is recorded as d; the wall thickness of the first supporting plate and the wall thickness of the second supporting plate are equal to b, and the following conditions are satisfied: b=2×d+ (1/2) r.
In a preferred embodiment, the diameter of the inserted lead is denoted as D, and the diameter of the component body is denoted as D; the depth of the wire guide groove is recorded as K; the axial plug-in component is used for being welded on a printed board, a gasket is arranged on the printed board, and the thickness of the gasket is recorded as h 1 The thickness of the printed board is recorded as h 2 The height of the welding spot is recorded as h 3 The method comprises the steps of carrying out a first treatment on the surface of the The distance between the top wall of the first support plate and the bottom wall of the first support plate, and the distance between the top wall of the second support plate and the bottom wall of the second support plate are equal to c, and the following conditions are satisfied: c= (K-D/2) + (D/2) +h 1 +h 2 +h 3 。
In a preferred embodiment, the lead grooves are right angle grooves, and k=1 mm.
In a preferred embodiment, the top wall of the first support plate is provided with a plurality of lead grooves distributed at intervals along the length direction of the accommodating groove, and the top wall of the second support plate is provided with a plurality of lead grooves distributed at intervals along the length direction of the accommodating groove.
In a preferred embodiment, the length of the component body is denoted as L; the width of the accommodating groove is denoted as a, satisfying a=l.
In a preferred embodiment, the receiving groove includes a first groove portion and a second groove portion distributed along a length direction thereof, and a width of the second groove portion is greater than a width of the first groove portion.
In a preferred embodiment, the tool body is provided with two accommodation grooves arranged in a back direction.
The invention provides a lead shearing tool which is applied to the axial plug-in component lead shearing method, and comprises the following steps: a tool body;
the tool body is provided with a containing groove, a first shearing groove and a second shearing groove, one side of the containing groove is provided with a first supporting plate, and the other side of the containing groove is provided with a second supporting plate;
the first shearing groove is located at one end of the first supporting plate, which is away from the accommodating groove, and the second shearing groove is located at one end of the second supporting plate, which is away from the accommodating groove.
The invention has the characteristics and advantages that:
by adopting the axial inserting component lead shearing method, an inserting lead at one end of a component body firstly extends along the top wall of a first supporting plate, then extends along the outer side wall of the first supporting plate and then is sheared along the bottom wall of the first supporting plate; the cartridge lead at the other end of the component body extends along the top wall of the second supporting plate, then extends along the outer side wall of the second supporting plate, and then cuts along the bottom wall of the second supporting plate. Therefore, the length and the shape of the cut plug-in lead can be controlled more accurately, the consistency is better, and the reliability and the consistency of the welding structure of the axial plug-in components and the printed board can be guaranteed. And when shearing, shearing operation is carried out through the first shearing groove and the second shearing groove respectively, so that the operation is more convenient, and the production efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is an isometric view of a wire cutting tool provided by the invention;
FIG. 2 is a side view of the wire cutting tool shown in FIG. 1;
fig. 3 is a schematic structural diagram of a wire groove in the wire cutting tool shown in fig. 1;
fig. 4 is a schematic structural view of a first cutting slot in the wire cutting tool shown in fig. 1;
fig. 5 is a schematic diagram of a method for cutting a lead of an axial plugging component according to the present invention;
FIG. 6 is a schematic view of an axial plug-in component;
fig. 7 is a schematic diagram of a soldering structure of an axial plug-in component and a printed board.
Reference numerals illustrate:
10. a tool body;
20. the accommodating groove; 21. a first groove portion; 22. a second groove portion;
201. the length direction of the accommodating groove; 202. the width direction of the accommodating groove;
31. a first support plate; 311. a bottom wall of the first support plate; 32. a second support plate; 321. a bottom wall of the second support plate;
41. a first shear groove; 42. a second shear groove;
50. a wire slot;
61. a component body; 62. inserting a lead;
71. a printed board; 72. a gasket; 73. and welding spots.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
The invention provides a lead shearing method for an axial plug-in component, which adopts a lead shearing tool, as shown in fig. 1 and 2, and comprises the following steps: a tool body 10; the tool body 10 is provided with a containing groove 20, a first shearing groove 41 and a second shearing groove 42, one side of the containing groove 20 is provided with a first supporting plate 31, and the other side is provided with a second supporting plate 32; the first shearing groove 41 is positioned at one end of the first supporting plate 31, which is away from the accommodating groove 20, and the second shearing groove 42 is positioned at one end of the second supporting plate 32, which is away from the accommodating groove 20; as shown in fig. 6, the axial package component includes a component body 61 and two package leads 62 extending outwardly from both ends of the component body 61, respectively; as shown in fig. 5, the wire cutting method includes: step S10, arranging the component body 61 in the accommodating groove 20, wherein the component body 61 extends along the width direction 202 of the accommodating groove, and the inserting leads 62 at two ends are respectively overlapped with the first supporting plate 31 and the second supporting plate 32; step S20, bending the inserted lead 62 overlapped on the first supporting plate 31 along the outer side wall of the first supporting plate 31 towards the first cutting groove 41; bending the lead 62 overlapped with the second support plate 32 toward the second shear groove 42 along the outer sidewall of the second support plate 32; in step S30, the lead 62 is cut along the bottom wall of the first support plate 31 near the first cutting groove 41, and the lead 62 is cut along the bottom wall of the second support plate 32 near the second cutting groove 42.
By adopting the axial plugging component lead shearing method, the plugging lead 62 at one end of the component body 61 extends along the top wall of the first supporting plate 31, then extends along the outer side wall of the first supporting plate 31, and then is sheared along the bottom wall 311 of the first supporting plate; the mounting leads 62 at the other end of the component body 61 extend first along the top wall of the second support plate 32, then along the outer side wall of the second support plate 32, and then cut along the bottom wall 321 of the second support plate. Thus, the length and shape of the cut lead 62 can be controlled more accurately, the uniformity is better, and the reliability and uniformity of the welding structure of the axial lead component and the printed board 71 can be ensured. And when shearing, the shearing operation is carried out through the first shearing groove 41 and the second shearing groove 42 respectively, so that the operation is more convenient, and the production efficiency is improved.
As shown in fig. 1 and 3, the top wall of the first support plate 31 and the top wall of the second support plate 32 are each provided with a lead groove 50 extending in the width direction 202 of the accommodating groove; in step S10, the lead 62 is inserted into the lead groove 50. The lead slot 50 plays a role in positioning the inserted lead 62, so that the axial inserted component is prevented from shaking on the lead shearing tool, the inserted lead 62 is bent in the step S20 conveniently, and the consistency of lead shearing is guaranteed.
In one embodiment of the present invention, in step S20, the bending radius of the lead 62 along the outer side wall of the first support plate 31 and the bending radius of the lead 62 along the outer side wall of the second support plate 32 are equal to r; the diameter of the lead 62 is denoted d; the wall thickness of the first support plate 31 and the wall thickness of the second support plate 32 are equal to b, satisfying: b=2×d+ (1/2) r. The first support plate 31 is substantially the same as the second support plate 32, and the first support plate 31 is exemplified. The lead 62 is lapped on the top wall of the first support plate 31, so that the end of the lead 62 extends along the top wall of the first support plate 31, and in step S20, the tip of the lead 62 is bent to the outer side wall of the first support plate 31 by bending, so that the wall thickness of the first support plate 31 is controlled, the length of the end of the lead 62 extending along the outer side wall of the first support plate 31 can be limited, and the position of the bending point of the lead 62 is controlled. When the axial component is overlapped on the top wall of the first support plate 31 and the top wall of the second support plate 32, the component body 61 is parallel to the top wall of the first support plate 31 and the top wall of the second support plate 32, and the wall thickness of the first support plate 31 and the wall thickness of the second support plate 32 satisfy the above relation, so that the requirement of the safety distance from the root of the lead can be met, and the inserted lead 62 can be welded and connected with the printed board 71 more reliably.
In one embodiment of the present invention, the diameter of the lead 62 is denoted as D, and the diameter of the component body 61 is denoted as D; the depth of the wire slot 50 is denoted as K; the axial plug-in component is used for being welded on the printed board 71, as shown in fig. 7, a gasket 72 is arranged on the printed board 71, and the thickness of the gasket 72 is marked as h 1 The thickness of the printed board 71 is denoted as h 2 The height of the solder joint 73 is denoted as h 3 The method comprises the steps of carrying out a first treatment on the surface of the The distance between the top wall of the first support plate 31 to the bottom wall 311 of the first support plate, and the distance between the top wall of the second support plate 32 to the bottom wall 321 of the second support plate are equal to c, satisfying: c= (K-D/2) + (D/2) +h 1 +h 2 +h 3 . The first support plate 31 is substantially the same as the second support plate 32, and the first support plate 31 is exemplified. In step S20, the tip of the lead 62 is bent toward the outer side wall of the first support plate 31 by bending, and in step S30, the lead 62 extends along the outer side wall of the first support plate 31, and in the step S30, the lead 62 is cut along the bottom wall 311 of the first support plate, and the distance between the top wall of the first support plate 31 and the bottom wall 311 of the first support plate is controlled, so that the length of the lead 62 extending along the outer side wall of the first support plate 31 can be defined. By satisfying the above-described relational expression for the distance between the top wall of the first support plate 31 and the bottom wall 311 of the first support plate and the distance between the top wall of the second support plate 32 and the bottom wall 321 of the second support plate, the consistency of shearing of the lead wires 62 can be ensured, and the lead wires 62 can be more reliably soldered to the printed board 71.
The wire slot 50 is a right angle slot, as shown in fig. 3, and the wire slot 50 has two opposite inner side walls, and the included angle between the two opposite inner side walls is 90 °. And preferably k=1 mm, in which case c= (1-D/2) + (D/2) +h 1 +h 2 +h 3 。
Further, the top wall of the first support plate 31 is provided with a plurality of lead grooves 50 distributed at intervals along the length direction 201 of the accommodating groove, and the top wall of the second support plate 32 is provided with a plurality of lead grooves 50 distributed at intervals along the length direction 201 of the accommodating groove. The axial plug-in components can arrange this lead shearing frock respectively, cut simultaneously, have improved the efficiency that the lead sheared.
In one embodiment of the present invention, the length of the component body 61 is denoted as L; the width of the accommodating groove 20 is denoted as a, a=l is satisfied, and the accommodating groove 20 can play a role in clamping the component body 61, so that the component body 61 is prevented from moving, and the shearing consistency of the axial plugging component leads is ensured.
As shown in fig. 1, the accommodating groove 20 includes a first groove portion 21 and a second groove portion 22 distributed along a length direction thereof, and a width of the second groove portion 22 is greater than that of the first groove portion 21, and the first groove portion 21 and the second groove portion 22 can be respectively adapted to axial plugging components of different specifications, and simultaneously perform lead shearing operation on the axial plugging components of different specifications, thereby improving production efficiency, reducing usage amount of the tool, and being beneficial to saving cost. In an embodiment, the thickness of the first support plate 31 of the first groove portion 21 is greater than the thickness of the first support plate 31 of the second groove portion 22, and the thickness of the second support plate 32 of the first groove portion 21 is greater than the thickness of the second support plate 32 of the second groove portion 22.
In an embodiment of the present invention, the tool body 10 is provided with two accommodating grooves 20 disposed opposite to each other, as shown in fig. 1, when the wire cutting tool is used, an opening of one accommodating groove 20 is disposed downward, and the first supporting plate 31 and the second supporting plate 32 can be used as supporting seats of the wire cutting tool, so as to ensure the overall stability of the wire cutting tool; the lead cutting of the axially inserted component is performed using the accommodation groove 20 with the opening facing upward. The two accommodating grooves 20 and the first supporting plate 31 and the second supporting plate 32 thereof are unequal in size so as to be convenient for respectively adapting to axial inserting components of different specifications.
Example two
The invention provides a lead shearing tool which is applied to the axial plug-in component lead shearing method, as shown in fig. 1-4, and comprises the following steps: a tool body 10; the tool body 10 is provided with a containing groove 20, a first shearing groove 41 and a second shearing groove 42, one side of the containing groove 20 is provided with a first supporting plate 31, and the other side is provided with a second supporting plate 32; the first shear groove 41 is located at an end of the first support plate 31 facing away from the accommodating recess 20, and the second shear groove 42 is located at an end of the second support plate 32 facing away from the accommodating recess 20.
With the lead cutting tool, the plug-in lead 62 at one end of the component body 61 extends along the top wall of the first support plate 31, then extends along the outer side wall of the first support plate 31, and then cuts along the bottom wall 311 of the first support plate; the mounting leads 62 at the other end of the component body 61 extend first along the top wall of the second support plate 32, then along the outer side wall of the second support plate 32, and then cut along the bottom wall 321 of the second support plate. Thus, the length and shape of the cut lead 62 can be controlled more accurately, the uniformity is better, and the reliability and uniformity of the welding structure of the axial lead component and the printed board 71 can be ensured. And the first cutting groove 41 and the second cutting groove 42 cut out the operation space for the lead wire cutting, and when cutting, the operation is carried out through the first cutting groove 41 and the second cutting groove 42 respectively, so that the operation is more convenient, and the production efficiency is improved.
The foregoing is merely a few embodiments of the present invention and those skilled in the art may make various modifications or alterations to the embodiments of the present invention in light of the disclosure herein without departing from the spirit and scope of the invention.
Claims (10)
1. The method for shearing the lead of the axial plug-in component is characterized by adopting a lead shearing tool, wherein the lead shearing tool comprises the following steps: a tool body; the tool body is provided with a containing groove, a first shearing groove and a second shearing groove, one side of the containing groove is provided with a first supporting plate, and the other side of the containing groove is provided with a second supporting plate; the first shearing groove is positioned at one end of the first supporting plate, which is away from the accommodating groove, and the second shearing groove is positioned at one end of the second supporting plate, which is away from the accommodating groove;
the axial plug-in component comprises a component body and two plug-in leads which extend outwards from two ends of the component body respectively;
the lead shearing method comprises the following steps:
step S10, arranging the component body in the accommodating groove, wherein the component body extends along the width direction of the accommodating groove, and the inserting leads at two ends are respectively overlapped with the first supporting plate and the second supporting plate;
step S20, bending the inserted lead wire overlapped with the first supporting plate along the outer side wall of the first supporting plate towards the first shearing groove; bending the inserted lead wire overlapped on the second supporting plate towards the second shearing groove along the outer side wall of the second supporting plate;
and S30, cutting the inserted lead along the bottom wall, close to the first cutting groove, of the first supporting plate, and cutting the inserted lead along the bottom wall, close to the second cutting groove, of the second supporting plate.
2. The method of cutting leads of an axially inserted component according to claim 1, wherein the top wall of the first support plate and the top wall of the second support plate are each provided with a lead groove extending in the width direction of the accommodation groove; in step S10, the lead wire is disposed in the lead wire groove.
3. The method of cutting lead wires of an axial package component according to claim 2, wherein in step S20, a bending radius of the package lead wire along an outer sidewall of the first support plate and a bending radius of the package lead wire along an outer sidewall of the second support plate are equal to r;
the diameter of the inserted lead is recorded as d;
the wall thickness of the first supporting plate and the wall thickness of the second supporting plate are equal to b, and the following conditions are satisfied: b=2×d+ (1/2) r.
4. The method of cutting an axial package component lead according to claim 2, wherein the diameter of the package lead is denoted as D, and the diameter of the component body is denoted as D; the depth of the wire guide groove is recorded as K;
the axial plug-in component is used for being welded on a printed board, a gasket is arranged on the printed board, and the thickness of the gasket is recorded as h 1 The thickness of the printed board is recorded as h 2 The height of the welding spot is recorded as h 3 ；
The distance between the top wall of the first support plate and the bottom wall of the first support plate, and the distance between the top wall of the second support plate and the bottom wall of the second support plate are equal to c, and the following conditions are satisfied: c= (K-D/2) + (D/2) +h 1 +h 2 +h 3 。
5. The method of claim 2 or claim 4, wherein the lead grooves are right angle grooves, and k=1 mm.
6. The method for shearing leads of axially inserted components as recited in claim 2, wherein said top wall of said first support plate has a plurality of said lead grooves spaced apart along the length of said receiving recess, and said top wall of said second support plate has a plurality of said lead grooves spaced apart along the length of said receiving recess.
7. The method of cutting leads of an axially mounted component according to claim 1, wherein the length of the component body is denoted as L; the width of the accommodating groove is denoted as a, satisfying a=l.
8. The method of claim 1, wherein the receiving groove includes a first groove portion and a second groove portion distributed along a length direction thereof, and a width of the second groove portion is greater than a width of the first groove portion.
9. The method for shearing lead wires of axial plugging components according to claim 1, wherein the fixture body is provided with two accommodation grooves arranged in a back direction.
10. A wire cutting tool, which is applied to the wire cutting method of the axial plugging component according to any one of claims 1 to 9, and comprises: a tool body;
the tool body is provided with a containing groove, a first shearing groove and a second shearing groove, one side of the containing groove is provided with a first supporting plate, and the other side of the containing groove is provided with a second supporting plate;
the first shearing groove is located at one end of the first supporting plate, which is away from the accommodating groove, and the second shearing groove is located at one end of the second supporting plate, which is away from the accommodating groove.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011511106.XA CN114643329B (en) | 2020-12-18 | 2020-12-18 | Axial plug-in component lead shearing method and lead shearing tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011511106.XA CN114643329B (en) | 2020-12-18 | 2020-12-18 | Axial plug-in component lead shearing method and lead shearing tool |
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| CN114643329A CN114643329A (en) | 2022-06-21 |
| CN114643329B true CN114643329B (en) | 2023-09-08 |
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|---|---|---|---|---|
| DE1916541A1 (en) * | 1969-03-31 | 1971-01-14 | Bauknecht Gmbh G | Device for bending and, if necessary, severing the connecting wires from electrical components |
| CH646350A5 (en) * | 1980-09-09 | 1984-11-30 | Thomas Weresch | Apparatus for the bending, crimping and cutting to length of the connecting wires of electrical components |
| CN101157112A (en) * | 2007-11-07 | 2008-04-09 | 龙乐武 | Automatic wire rod aligning cutting machine reinforcing wire traction wheel apparatus |
| CN102773383A (en) * | 2012-07-14 | 2012-11-14 | 成都生辉电子科技有限公司 | Device and method for cutting off steel strand with stress in industrial control |
| CN102962304A (en) * | 2012-12-07 | 2013-03-13 | 哈尔滨工业大学 | Liquid filling shearing bending formation method for small bending radius rectangular tube |
| CN107072066A (en) * | 2016-12-28 | 2017-08-18 | 中国北方车辆研究所 | A kind of axial lead component shaped device |
| DE102017210714A1 (en) * | 2017-06-26 | 2018-12-27 | Wafios Aktiengesellschaft | Method for producing a bent part and bending machine for carrying out the method |
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2020
- 2020-12-18 CN CN202011511106.XA patent/CN114643329B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1916541A1 (en) * | 1969-03-31 | 1971-01-14 | Bauknecht Gmbh G | Device for bending and, if necessary, severing the connecting wires from electrical components |
| CH646350A5 (en) * | 1980-09-09 | 1984-11-30 | Thomas Weresch | Apparatus for the bending, crimping and cutting to length of the connecting wires of electrical components |
| CN101157112A (en) * | 2007-11-07 | 2008-04-09 | 龙乐武 | Automatic wire rod aligning cutting machine reinforcing wire traction wheel apparatus |
| CN102773383A (en) * | 2012-07-14 | 2012-11-14 | 成都生辉电子科技有限公司 | Device and method for cutting off steel strand with stress in industrial control |
| CN102962304A (en) * | 2012-12-07 | 2013-03-13 | 哈尔滨工业大学 | Liquid filling shearing bending formation method for small bending radius rectangular tube |
| CN107072066A (en) * | 2016-12-28 | 2017-08-18 | 中国北方车辆研究所 | A kind of axial lead component shaped device |
| DE102017210714A1 (en) * | 2017-06-26 | 2018-12-27 | Wafios Aktiengesellschaft | Method for producing a bent part and bending machine for carrying out the method |
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| Publication number | Publication date |
|---|---|
| CN114643329A (en) | 2022-06-21 |
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