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Big-feed milling blade

An insert and milling technology, applied in the field of milling inserts for high-feed machining, can solve the problems of insert chipping, insufficient rigidity, and vibration tendency.

Inactive Publication Date: 2006-05-24
ZHUZHOU CEMENTED CARBIDE CUTTING TOOLS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Especially in the deep cavity milling of the mold, due to the long overhang and the limitation of the tool diameter, the rigidity is insufficient, resulting in a tendency to vibrate, causing uneven chatter lines on the surface of the workpiece, and even chipping the blade

Method used

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Embodiment Construction

[0015] Specific implementation plan

[0016] Such as figure 1 , 3 4, the high-feed milling insert includes upper and lower surfaces 2 and 4 opposite in parallel, a mounting hole and an arc-shaped side surface 3 connecting the upper and lower surfaces, and a curved cutting edge 5 formed by the intersection of the upper surface 2 and the side surface 3. The cutting edge 5 includes three cutting edge segments 5a, 5b, 5c that are rotationally symmetrical about its installation axis; any cutting edge segment 5a, 5b, or 5c is mainly composed of a circular arc wiper edge 6, a first main cutting edge 7, and an arch The transition edge 8 and the second main cutting edge 9 are composed; the arc-shaped wiper edge 6 with a radius of 50 to 80 mm, the first main cutting edge 7 with a radius of 20 to 40 mm, and the broken line second main cutting edge 9 are all facing the body The arcuate transition edge 8 is recessed into the body, with a radius of 1~5mm; the broken-line second main cutting ed...

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Abstract

The present invention provides a large-feeding milling tool blade capable of milling deep cavity. It includes the following several portions: parallel and opposite upper and lower surfaces, mounting hole and curved side surface connecting upper and lower surfaces, the upper surface and lower surface are crossed and formed into curved cutting edge, the described cutting edge includes three cutting edge sections, any cutting edge section is formed from curved sleeking edge, first cutting edge, second cutting edge and arched transition edge for connecting first cutting edge and second cutting edge.

Description

Technical field [0001] The invention relates to a milling blade, in particular to a milling blade capable of large-feed processing. Background technique [0002] In the field of cutting technology, improving cutting efficiency and reducing costs are the long-term goals of metal cutting technology. Generally speaking, the main ways to improve cutting efficiency and reduce costs are as follows: increase cutting speed, increase feed speed and increase cutting depth. High-feed indexable milling tools have only become popular in the past two years under this background. The main cutting edge of the tool described in the patent EP1075889A1 uses a circular arc, and the entering angle transitions from 3° to 35°. The distribution of deflection angle can meet the general high-feed processing; the existing tools also use two-section straight edge as the main cutting edge, or use two-section arc edge as the main cutting edge, the above tools are all small The entering angle is used to reduce...

Claims

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Application Information

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IPC IPC(8): B23C5/02B23C5/20
Inventor 马晓魁陈林姜涛李剑伟
Owner ZHUZHOU CEMENTED CARBIDE CUTTING TOOLS CO LTD
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