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Special tungsten steel-tungsten steel welded type cutter for PCBs (printed circuit boards)

A technology of PCB board and tungsten steel, which is applied in the direction of milling cutters, manufacturing tools, metal processing equipment, etc., can solve the problems of increasing pollution, wasting resources, increasing costs, etc., and achieve the effect of reducing production costs and saving rare metal tungsten steel

Inactive Publication Date: 2012-10-31
宜昌永鑫精工科技股份有限公司
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Problems solved by technology

Therefore, there are deficiencies in wasting resources, increasing pollution, increasing costs, etc.

Method used

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  • Special tungsten steel-tungsten steel welded type cutter for PCBs (printed circuit boards)

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Embodiment Construction

[0009] A special cutting tool for tungsten steel welding tungsten steel PCB boards, comprising a tungsten steel handle 1, a tungsten steel head 2, and a cutter head 3, the tungsten steel handle 1 and the tungsten steel head 2 are connected by silver soldering pieces. The silver welding temperature for connecting the tungsten steel shank 1 and the tungsten steel head 2 is 400°C-420°C.

[0010] The overall length of the cutter of the device of the present invention remains unchanged: 38.30mm, with 14.0mm, 14.40mm, 13.50mm, etc. of the head material of the tungsten steel head 2, and the corresponding tungsten steel handle 1 handle material has 24.40mm, 24.0mm, 24.90mm etc. The head and handle are welded together by silver welding. The temperature used during welding is between 400°C and 420°C. This temperature does not change the performance of the tungsten steel, and at the same time achieves the purpose of reuse.

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Abstract

The invention provides a special tungsten steel-tungsten steel welded type cutter for PCBs (printed circuit boards), which comprises a tungsten steel handle part, a tungsten steel head part and a cutter bit, wherein the tungsten steel handle part and the tungsten steel head part are connected through a silver soldering terminal and the temperature of silver soldering for connecting the tungsten steel handle part and the tungsten steel head is 400-420 DEG C. According to the invention, the tungsten steel handle part and the tungsten steel head are welded through silver soldering at 400-420 DEG C, the performances of tungsten steel cannot be changed at the welding temperature being 400-420 DEG C, and further the aim of recycling can be reached and the cost is lowered; and the special tungsten steel-tungsten steel welded type cutter is superior to a cutter completely made of tungsten steel in price. Moreover, tungsten steel which is a rare metal is saved and the production cost of a plant is lowered.

Description

technical field [0001] The invention relates to a cutting tool, in particular to a special cutting tool for tungsten steel welding tungsten steel PCB board. Background technique [0002] For a long time, the production method of special cutting tools (milling cutters) for PCB boards has been using the traditional processing technology, which remains unchanged, that is, the whole tungsten steel bar is used for processing and production, and it is one-time use and cannot be reused. Therefore, there are deficiencies in aspects such as wasting resources, increasing pollution, and increasing costs. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a special cutting tool for tungsten steel welding tungsten steel PCB board, which can recycle the used waste tungsten steel milling cutter or drill bit, and can process different sizes according to different needs. [0004] In order to solve the above-mentioned technical prob...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23C5/16
Inventor 汪万勇
Owner 宜昌永鑫精工科技股份有限公司
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