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Blind groove diamond coating milling cutter

A diamond coating and milling cutter technology, which is applied in metal material coating process, coating, milling cutter, etc., can solve the problems of inaccurate control of the cutting depth, tool wear, and inability to mill flat bottom blind slots, etc., to achieve the machined surface Low roughness, less tool wear, improved chip removal effect

Inactive Publication Date: 2014-02-12
SHANGHAI UNIV OF ENG SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

According to the tooth shape of the milling cutter, it can be divided into helical tooth milling cutter, rhombic tooth milling cutter, fishtail type and drill point type milling cutter. Ordinary milling cutters have inaccurate control of cutting depth, cannot flatten blind grooves and have tool wear serious

Method used

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  • Blind groove diamond coating milling cutter
  • Blind groove diamond coating milling cutter

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Experimental program
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Embodiment

[0022] A kind of blind groove diamond coating milling cutter, its structure is as follows Figure 1-2 As shown, the milling cutter includes a milling cutter head 1 , a flute 2 and a shank 3 . The cutter head 1 of the milling cutter has a fishtail structure, and the blade of the head is inclined to the center, and the blade of the cutter head can effectively control the smoothness of the bottom of the flat-bottomed blind groove. The chip flute 2 is integrally arranged on the flank of the milling cutter head 1, and the outside of the chip flute is provided with a helix angle of 15-25°, and the helical flute with a large chip space makes chip removal smooth. The shank 3 is arranged at the rear of the flute 2 for connecting the main shaft of the PCB drilling and milling machine, and the diameter of the shank 3 is 3.175mm.

[0023] The HFCVD diamond composite coating is deposited on the surface of the milling cutter, the bottom layer is a deposited diamond film, and the surface la...

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Abstract

The invention relates to a blind groove diamond coating milling cutter. The milling cutter has a fishtail-shaped structure, and comprises a milling cutter head, a scrap discharging groove and a handle, wherein the head cutting edge of the milling cutter head is inclined to the center; the scrap discharging groove is integrally formed in the back cutter surface of the milling cutter; a helical angle is formed outside the scrap discharging groove; the handle is arranged on the back part of the scrap discharging groove and is connected with the main shaft of a PCB (printed circuit board) drilling and milling machine; an HFCVD (hot filament chemical vapor deposition) diamond coating is deposed on the surface of the milling cutter. Compared with the prior art, the blind groove diamond coating milling cutter has the advantages of wide machining range, high production efficiency, long service life and the like.

Description

technical field [0001] The invention relates to a milling cutter, in particular to a blind groove diamond coating milling cutter. Background technique [0002] Depth control milling, most of this process will only appear on high-layer boards and backplane products, PCB milling cutter is a cutting tool in the process of milling shape (forming). According to the tooth shape of the milling cutter, it can be divided into helical tooth milling cutter, rhombic tooth milling cutter, fishtail type and drill point type milling cutter. Ordinary milling cutters have inaccurate control of cutting depth, cannot flatten blind grooves and have tool wear serious. Because different tip shapes have different effects, the cutting area is large, and it is easy to distinguish good from bad from the appearance, so for depth control milling, the most important thing is to choose the shape of the milling cutter head. Contents of the invention [0003] The object of the present invention is to p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23C5/10C23C16/27
Inventor 黄立新蓝兴杰
Owner SHANGHAI UNIV OF ENG SCI
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