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Tool processing technology

A processing technology and tool technology, applied in the field of tool processing technology, can solve the problems of low wear resistance and non-weldability

Active Publication Date: 2015-10-21
CHONGQING COLLEGE OF ELECTRONICS ENG
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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 tool processing technology to solve the problems of low wear resistance and non-weldability of existing diamond tools

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] The invention provides a cutting tool processing technology, comprising the following steps:

[0017] 1) Raw materials: tantalum carbide, titanium powder, diamond, manganese powder, steel powder, the ratios of mass and quantity are: 1.0 parts of tantalum carbide, 75 parts of cobalt powder, 7 parts of diamond, 0.4 parts of titanium powder, 10 parts of manganese powder, 7 parts of steel powder;

[0018] 2) Pass the titanium powder through 300 mesh, the manganese powder through 250 mesh, and the steel powder through 350 mesh, and put the three together into the mixer for stirring and mixing, the stirring speed is 200r / min, and the stirring time is 12min;

[0019] 3) Put the raw materials and diamonds described in step 2) into a vacuum heating machine for heating, the heating temperature is 650° C., and the heating time is 30 minutes;

[0020] 4) Put the raw material obtained in step 3) together with cobalt powder and tantalum carbide into a vacuum mixer for mixing; in ord...

Embodiment 2

[0025] The invention provides a cutting tool processing technology, comprising the following steps:

[0026] 1) Raw materials: tantalum carbide, titanium powder, diamond, manganese powder, steel powder, the ratios of mass and quantity are: 1.2 parts of tantalum carbide, 76 parts of cobalt powder, 7 parts of diamond, 0.4 parts of titanium powder, 8 parts of manganese powder, 7 parts of steel powder;

[0027] 2) Pass the titanium powder through 350 mesh, the manganese powder through 300 mesh, and the steel powder through 425 mesh, and put the three together into the mixer for stirring and mixing, the stirring speed is 200r / min, and the stirring time is 12min;

[0028] 3) Put the raw materials and diamonds described in step 2) into a vacuum heating machine for heating, the heating temperature is 700° C., and the heating time is 32 minutes;

[0029] 4) Put the raw material obtained in step 3) together with cobalt powder and tantalum carbide into a vacuum mixer for mixing; in orde...

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Abstract

The technical scheme is applied to the field of tool processing, and particularly relates to a tool processing technology. The tool processing technology comprises the following steps: stirring and mixing titanium powder, manganese powder and steel powder to obtain a mixture, wherein the titanium powder is sieved by a 300-350-mesh sieve, the manganese powder is sieved by 250-300-mesh sieve, and the steel powder is sieved by 350-425-mesh sieve, conducting a heating reaction between the mixture and diamond, conducting a reaction between the reacted diamond and cobalt powder, and adding 0.5-1.5 parts of tantalum carbide as an inhibitor. The tool processing technology has the advantages that the sensibility of alloy properties to the sintering temperature and the sintering time is possibly reduced, the metallographic phase component and the cobalt phase component of alloys are improved, and the alloy properties are improved; besides, the cobalt powder has a good wrapping effect on the diamond, and the titanium powder is formed on the surface of the diamond, the cobalt powder and the titanium powder are sintered for 25-40 min at the temperature of 600-750 DEG C, so that cobalt and titanium can form an alloy, the wrapping effect of a co-base matrix on the diamond is improved effectively, the phenomenon of non-uniformly mixing of various metal powders is effectively avoided, and the stability of the product quality during the production process is improved greatly.

Description

technical field [0001] The technical solution is applied in the field of tool processing, and in particular relates to a tool processing technology. Background technique [0002] In the prior art, due to the high hardness of diamond, there are many cutting tools using diamond as the base material, which can be roughly divided into: ceramic diamond-like tools, stone diamond-like tools, and concrete diamond-like tools. Existing diamond tools mainly use a mixture of various elemental metal powders, such as copper powder, iron powder, tin powder, nickel powder, zinc powder, tungsten powder, chromium powder, titanium powder, or pre-alloyed powder such as copper-iron alloy, copper A mixture of zinc alloy and elemental metal powder. After mixing, add diamond and stir evenly, put it into a hot press, and form it through high temperature and high pressure. The diamond tools produced are difficult to achieve full and complete mixing after mixing the metal powders, and the sintering t...

Claims

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Application Information

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IPC IPC(8): C22C1/05C22C19/07C22C26/00B22F3/14
Inventor 叶勇康亮
Owner CHONGQING COLLEGE OF ELECTRONICS ENG
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