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Tooth profile of narrow-grooved milling cutter

A technology for slot milling cutters and milling cutters, which is applied to milling cutters, milling machine equipment, manufacturing tools, etc. It can solve the problems of poor chip removal, blockage of tooth grooves, and low processing efficiency, so as to avoid edge jumping and improve damage durability. , The effect of smooth chip removal

Inactive Publication Date: 2012-07-25
HARBIN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the milling cutter is re-cutting, the chip removal is not smooth, and the problem of tooth groove blockage often occurs, so that the tool cannot be cut normally, and the processing efficiency is low

Method used

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  • Tooth profile of narrow-grooved milling cutter
  • Tooth profile of narrow-grooved milling cutter
  • Tooth profile of narrow-grooved milling cutter

Examples

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Embodiment Construction

[0008] The present invention will be described in further detail below. see figure 1 , 2 , a tooth shape of a narrow slot milling cutter, characterized in that: the cutter head diameter of the slot milling cutter d=20mm~60mm, the number of teeth Z=8~12, the tooth groove angle θ=50°~60°, the tooth groove depth h=3mm~8mm, rake angle γ=5°~10°, primary relief angle β=12°~18°, secondary relief angle α=20°~30°, edge width f=0.8mm~1.2mm, in The two sides of the width of the cutter head are provided with a backlash angle δ=15′~1° from the tip of the cutter to the inner side of the cutter body.

[0009] The working principle of the present invention is: because the present invention reduces the rake angle and the back angle, increases the tooth groove depth and the tooth groove angle, thereby increases the chip pocket. The milling cutter has enough chip space, reduces the milling force, prolongs the durability of the milling cutter, and improves the production efficiency.

[0010] ...

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Abstract

The invention discloses a tooth profile of a narrow-grooved milling cutter, belonging to a design technology of cutters and relating to an improvement on a narrow-grooved milling cutter. The tooth profile of the narrow-grooved milling cutter is characterized in that the narrow-grooved milling cutter has the cutterhead diameter d being 20-60mm, the tooth number being 8-12, the tooth groove angle theta being 50-60 DEG, the tooth groove depth h being 3-8mm, the rake angle gamma being 5-10 DEG, the primary relief angle beta being 12-18 DEG, the secondary relief angle alpha being 20-30 DEG and the margin width f being 0.8-1.2mm, and the side clearance angle delta arranged on two sides of the width of a cutterhead and from a knifepoint to the inner side of a cutter body is equal to 15'-1 DEG. By using the tool profile of the narrow-grooved milling cutter, smooth chip removal is realized, the cutter blade jumping phenomenon is avoided, the durability of the milling cutter is improved, and the surface roughness and the processing efficiency of a product are increased.

Description

technical field [0001] The invention belongs to tool design technology and relates to the improvement of narrow slot milling tools. Background technique [0002] There is a T-shaped narrow slot in a certain machine product, the slot width is 2.4mm, and the slot depth is 7mm. Due to the general milling cutter geometric parameters, the rake angle and back angle are large, and the number of teeth is large. Take a 60mm slot milling cutter as an example. The rake angle is 15°, the primary relief angle is 16°, the secondary relief angle is 35°, the number of teeth is 15, the cogging angle is 55°, and the cogging depth is 6mm. There is not enough chip space when processing products. When the milling cutter is re-cutting, the chip removal is not smooth, and the problem of tooth groove blockage often occurs, so that the tool cannot be cut normally, and the processing efficiency is low. Contents of the invention [0003] The object of the present invention is to propose a milling t...

Claims

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Application Information

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IPC IPC(8): B23C5/08
Inventor 杨克萍
Owner HARBIN
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