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Hard alloy cutting tool blade

A cutting tool and cemented carbide technology, which is applied in the field of cemented carbide cutting tool blades, can solve the problems of low wear resistance and maintaining hardness

Inactive Publication Date: 2018-10-30
江苏切剀刀具有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a cemented carbide cutting tool blade, which solves the problem of maintaining hardness and low wear resistance of the existing cutting tool at high temperature by rationally selecting the cutting tool material and reasonably proportioning the cutting tool material

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] A cemented carbide cutting tool blade, comprising the following components in parts by weight: 1 part of chromium carbide, 3 parts of silicon carbide, 2 parts of tantalum carbide, 5 parts of lanthanum, 2 parts of praseodymium, 2 parts of cesium, 1 part of cadmium, polonium 5 parts of scandium, 1 part of scandium, 3 parts of francium, 1 part of antimony, and the balance is tungsten carbide.

Embodiment 2

[0013] A carbide cutting tool blade, comprising the following components in parts by weight: 2 parts of chromium carbide, 1 part of silicon carbide, 4 parts of tantalum carbide, 1 part of lanthanum, 4 parts of praseodymium, 1 part of cesium, 3 parts of cadmium, polonium 2 parts of scandium, 2 parts of scandium, 1 part of francium, 5 parts of antimony, and the balance is tungsten carbide.

Embodiment 3

[0015] A cemented carbide cutting tool blade, comprising the following components in parts by weight: 1.8 parts of chromium carbide, 1.3 parts of silicon carbide, 3.6 parts of tantalum carbide, 1.6 parts of lanthanum, 2.8 parts of praseodymium, 1.1 parts of cesium, 2.7 parts of cadmium, polonium 2.3 parts of scandium, 1.2 parts of scandium, 2.6 parts of francium, 1.6 parts of antimony, and the balance is tungsten carbide.

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PUM

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Abstract

The invention relates to a hard alloy cutting tool blade, and belongs to the technical field of blade materials. The hard alloy cutting tool blade is characterized by comprising the following components of, by weight, 1-2 parts of chromium carbide, 1-3 parts of silicon carbide, 2-4 parts of tantalum carbide, 1-5 parts of lanthanum, 2-4 parts of praseodymium, 1-2 parts of caesium, 1-3 parts of cadmium, 2-5 parts of polonium, 1-2 parts of scandium, 1-3 parts of francium, 1-5 parts of antimony and the balance tungsten carbide. According to the hard alloy cutting tool blade, cutter materials are reasonably selected and are reasonably proportioned, so that the problem that the harness and the wear resistance of an existing cutter which are kept at a high temperature are low is solved.

Description

technical field [0001] The invention relates to a cemented carbide cutting tool blade, which belongs to the technical field of blade materials. Background technique [0002] The cutting performance of a tool depends on the material, geometry and tool structure that make up the cutting part of the tool. The tool material has a great influence on the tool life, processing efficiency, processing quality and processing cost, so it is necessary to pay attention to the correct selection and rational use of the tool material. The tool material is harder than the workpiece material, and the hardness at room temperature is above HRC62; wear resistance means the ability to resist wear, which depends on the hardness, quantity and distribution of hard points in the tissue. In order to withstand the pressure impact and toughness during cutting, and avoid chipping and breaking, the tool material should have sufficient strength and toughness. Tool materials have a low ability to maintain...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C29/08B23D79/00
CPCC22C29/08B23D79/00C22C29/067
Inventor 李树金
Owner 江苏切剀刀具有限公司
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