End milling cutter for processing nonferrous metal

A non-ferrous metal and end mill technology, applied in the field of metal cutting, can solve problems such as affecting the appearance and surface quality of non-ferrous metal products, no trimming of the cutting part, anti-vibration structure, and inability to perform surface treatment, so as to reduce residues Depth, improve surface quality, prevent resonance effect

Inactive Publication Date: 2011-04-13
ZHUZHOU CEMENTED CARBIDE CUTTING TOOLS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The peripheral edges of the existing end mills are equidistantly distributed, and resonance is likely to occur during cutting, which seriously affects the improvement of processing quality; in addition, the helix angle of the existing end mills’ peripheral edges is very large, and it is generally easy to achieve low hardness and low melting point. Deep and messy tool marks remain on the surface of non-ferrous metal materials, which a...

Method used

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  • End milling cutter for processing nonferrous metal
  • End milling cutter for processing nonferrous metal
  • End milling cutter for processing nonferrous metal

Examples

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Embodiment Construction

[0021] Figure 1 to Figure 5 An embodiment of an end milling cutter for non-ferrous metal processing of the present invention is shown, which is made of cemented carbide material into a cylinder, including a cutting part 1 and a shank part 2, wherein the shank part 2 is located at the rear end , used to fix the end mill on the machine tool, and the cutting part 1 is located at the front end for cutting. The entire cutting part 1 is provided with a plurality of peripheral cutting edges 11 (four in this embodiment) extending helically from the bottom end to the shank part 2. Each peripheral cutting edge 11 takes the central axis 16 as the center of rotation and rotates in the direction of rotation of the end mill. R is twisted into a spiral shape, and a spiral chip removal groove 12 is provided between two adjacent peripheral edges 11. In the radial plane of the cutting part 1, the line connecting each peripheral edge 11 to the rotation center of the end mill is the same as the ...

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Abstract

The present invention discloses an end milling cutter for processing nonferrous metal, comprising a cutting part and a handle part, wherein the whole cutting part is provided with a plurality of peripheral cutting edges spirally extending from a bottom end to the handle part; a spiral chip removal slot is disposed between two adjacent peripheral cutting edges; in the radial plane of the cutting part, two included angles formed by a connecting line from each peripheral cutting edge to a rotation centre of the end milling cutter and a connecting line from two adjacent peripheral cutting edges to the rotation centre of the end milling cutter are not dimensionally identical; the difference of the two included angles is [alpha], wherein the absolute value of [alpha] is greater than 0 degree but less than or equal to 30 degrees. The end milling cutter for processing nonferrous metal has the advantages that the structure is simple, resonances generated during cutting process can be avoided, the resonance trend during the cutting is reduced, and the surface quality of processed workpieces is improved.

Description

technical field [0001] The invention relates to the field of metal cutting, in particular to an end mill for nonferrous metal processing. Background technique [0002] Due to their own characteristics, non-ferrous metals are relatively easy to obtain a high metal removal rate. Currently, there are many types of tools dedicated to high metal removal rates on the market. However, as the requirements for the processing of non-ferrous metal products are getting higher and higher, in addition to requiring a higher metal removal rate, the surface quality of the processed material must also be considered. The peripheral edges of the existing end mills are equidistantly distributed, and resonance is likely to occur during cutting, which seriously affects the improvement of processing quality; in addition, the helix angle of the existing end mills’ peripheral edges is very large, and it is generally easy to achieve low hardness and low melting point. Deep and messy tool marks remain...

Claims

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Application Information

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IPC IPC(8): B23C5/10
Inventor 屈植华姜涛罗胜唐宁
Owner ZHUZHOU CEMENTED CARBIDE CUTTING TOOLS CO LTD
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