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Crimping apparatus

A technology for crimping equipment and crimping sheets, applied in the direction of connection, electrical components, circuits, etc., can solve the problems of negative effects on mechanical properties or electrical properties, easy surface wear, and difficulty in maintaining the surface state, so as to improve mechanical properties and electrical properties. performance effect

Inactive Publication Date: 2008-07-23
YAZAKI CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the surface of the crimper 101 on which the crimping piece portion 107 collides is prone to wear during the pressing and fixing (extrusion deformation) operation, and it is difficult to maintain a good surface state for a long time
Also, when stable crimping cannot be achieved due to wear of the crimper 101, there is a concern that mechanical properties or electrical properties may be adversely affected

Method used

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Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0036] 1 to 3 show a first embodiment of the crimping device and metal terminals of the present invention, and Fig. 1 is a front elevational view of the crimping device of the first embodiment, and Fig. 2 is a crimping device shown in Fig. 1 The perspective view of the metal terminal, the crimping device and the anvil used in the equipment, Fig. 3 is an enlarged cross-sectional view of important parts of the crimping equipment of Fig. 1, Fig. 4 is when viewed from the direction C of Fig. The magnified view of the crimper in use state, Fig. 5 is an magnified view showing the surface of the compression fixing part of the mirror finish of Fig. 4 , and Fig. 6 is a view showing Fig. 5 in its used state An enlarged view of the surface of the compression-fixed part.

[0037] As shown in FIGS. 1 to 2 , the crimping device 10 of this first embodiment includes a base 11 provided on the ground or the like, a driving source 12 , and a crimping device for crimping and grounding a metal ter...

no. 2 example

[0068] Next, a second embodiment of the crimping apparatus of the present invention will be described with reference to FIG. 7 . Fig. 7 is an enlarged sectional view of an essential part of a crimping apparatus of a second embodiment. In the following embodiments, constituent elements that are functionally the same as or similar to those of the first embodiment will be given the same or similar reference numerals, respectively, and descriptions thereof will be simplified or omitted.

[0069] In the crimping apparatus 10 of the second embodiment, as shown in FIG. The hard chrome coating 41 has a hardness of Hv 850 to 1000 or more, and has a thickness of 3 to 5 μm. This hard chrome coating 41 has high hardness and is therefore excellent in wear resistance and durability.

[0070] When the crimper 19 moves downward toward the anvil 20 , the hard chrome coating 41 formed on the compression fixing portion 32 of the crimper 19 and the pair of core wire crimping piece portions of t...

no. 3 example

[0073] Next, a third embodiment of the crimping apparatus of the present invention will be described with reference to FIG. 8 . Fig. 8 is an enlarged sectional view of an important part of a crimping apparatus of a third embodiment.

[0074] In the crimping apparatus 10 of the third embodiment, a mirror-finished portion 42 having a surface roughness of not more than 0.1 μm is formed on the surface of the armor crimping fixing portion 32a of the crimper 19, and as shown in FIG. 8 , a hard chrome coating 43 is also formed on the mirror-finished portion 42 . The hard chrome coating 43 has a hardness of Hv 850 to 1000 or more, and has a thickness of 3 to 5 μm.

[0075] When the crimper 19 moves downward toward the anvil 20, the hard chrome layer 43 formed on the mirror-finished portion 42 on the armored pressing fixing portion 32a of the crimper 19 and the metal terminal 50 are The pair of armor crimping piece portions 54 are bump-engaged so as to achieve crimping with a small f...

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Abstract

A crimping device comprising an anvil for supporting a metal terminal including a base plate portion for mounting an electric wire thereon, and a pair of crimping crimps respectively extending upward from opposite sides of the base plate portion. a tab part; and a crimping device, the crimping device has a pressing and fixing part for pressing and fixing the crimping piece part. The anvil cooperates with the pressing and fixing part of the crimper to press and fix the crimping piece part, which is used for crimping the crimping piece part to the electric wire installed on the metal terminal. Mirror-finishing is performed on the press-fixed portion.

Description

technical field [0001] The present invention relates to a crimping apparatus for crimping a metal terminal (having a pair of crimping piece portions respectively extending upward from opposite sides of a substrate portion thereof) to an electric wire. Background technique [0002] There is known a conventional crimping apparatus in which an arc-shaped portion 103 with a radius R1 and an arc-shaped portion 104 with a radius R2 are formed on an upper toothed die 102 of a crimper 101, and as shown in FIG. 9 As shown, a pair of crimping piece parts 107 of the metal terminal 106 which are respectively provided on the right and left sides of the imaginary straight line A passing through the apex and on which the electric wire 105 is placed are formed by the crimping tool 101 and the anvil. The seat 108 is deformed by extrusion (ie, press-fitted to the electric wire 105) (see, for example, JP-UM-A-61-48681). [0003] In JP-UM-A61-48681, the crimper 101 is shaped to improve perform...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01R43/048
CPCH01R43/048H01R43/058Y10T29/53213Y10T29/5327Y10T29/53235Y10T29/49893Y10T29/53209Y10T83/788
Inventor 八木敏铃木茂晴井出哲郎熊仓秀人铃木健司
Owner YAZAKI CORP
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