Contact shrapnel and its high-precision manufacturing method
A manufacturing method and a technology for contacting shrapnel, which are applied in the manufacture of contact parts and contact parts, etc., can solve problems such as unrealizable and difficult, and achieve the effect of improving the level of high precision
Active Publication Date: 2017-01-04
青岛钜祥精密模具有限公司
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Problems solved by technology
However, in the actual operation experience, it is quite difficult to control the size of contact shrapnel products at the precision level of + / -0.03mm in the existing manufacturing process from bending forming to adjusting precision. Within the accuracy level of + / -0.01mm, this requirement cannot be realized at all
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[0027] The following are specific embodiments of the present invention and in conjunction with the accompanying drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.
[0028] Such as figure 1 As shown, the contact elastic piece includes a sheet-shaped material strip 1, and the material strip 1 is specifically a stainless steel sheet. Several groups of products are arranged continuously on the material belt 1, and each group is arranged in parallel with four product monomers 4 in total. The film marks are printed on the product monomer 4, that is, the film marks of one to four are arranged sequentially from top to bottom, so that the product monomer 41 and the product monomer 44 are located at the upper and lower sides, and the product monomer 42 and the product monomer 4 The product monomer 43 is located in the middle. Set up anti-deformation knife-edge 3 between every group of product...
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The invention provides a contact elastic piece and a high-precision manufacturing method thereof and solves the problem that a high-precision requirement on a product can not be achieved by an existing manufacturing process which is subjected to regulating after forming. The contact elastic piece comprises a material strap, wherein the material strap is strip-shaped, the material strap is continuously provided with a plurality of groups of products, a plurality of product single bodies are arranged along a longitudinal direction of each group of products, deformation prevention knife edges are arranged among each group of products, and two side edges of the material strap are uniformly provided with a plurality of location holes. The high-precision manufacturing method of the contact elastic piece comprises the production steps of a stretching and bending process of (1) printing a word film mark; (2) punching the location holes; (3) punching the deformation prevention knife edges; (4) cutting the shapes of the products; 5) forming and punching the products: firstly carrying out a stretching and pre-folding project and then carrying out a forming project; (6) detecting formed products. According to the manufacturing method of the contact elastic piece, provided by the invention, the manufacturing process is changed into a mode of firstly carrying out pulling and pre-folding and then carrying out forming, the tolerance is increased from + / -0.03 mm to within + / -0.01 mm, and the high-precision level of a final finished product of the contact elastic piece is obviously increased.
Description
technical field [0001] The invention belongs to the technical field of electronic component processing, and relates to a contact spring product and a production method thereof, in particular to a contact spring and a high-precision manufacturing method thereof. Background technique [0002] With the rapid development of my country's social economy and technology, the technology of electronic products is becoming more and more technological and advanced, and people are more inclined to the demand direction of multiple functions, concentrated performance and convenient portability. Therefore, the physical development trend of electronic products is smaller and smaller, more sophisticated and integrated. Therefore, all the important electronic components inside are also developing towards the direction of thin, small and light, and require high precision at the same time. [0003] In order to meet the demand for mass production of contact shrapnel products, the mold design ado...
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IPC IPC(8): H01R13/24H01R43/16
Inventor 赖文瑞
Owner 青岛钜祥精密模具有限公司