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Diamond saw blade

A technology of diamond saw blade and diamond cutter head, applied in the field of diamond saw blade and its preparation, can solve the problems of separation and breakage of sandwich cutter head, reducing the machining efficiency of cutting operation, waste of diamond cutter head material, etc., so as to prolong the cutting stability. , Improve cutting efficiency and prevent erosion

Active Publication Date: 2018-11-06
WEIHAI VOCATIONAL COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to improve the cutting efficiency, a sandwich cutter head has been developed in the prior art. Compared with the block cutter head, the sandwich cutter head increases the free surface of brittle hard non-metallic materials such as stone to be sawn, making it easier to break the stone and improve the cutting efficiency. The sharpness of the sawing improves the cutting efficiency, reduces the power consumption, and reduces the cost of sawing. However, the sandwich cutter head intensifies the undercut effect of the cutting debris on the bottom of the diamond cutter head when it is used, which is easy to make The risk of separation and breakage of the sandwich segment leads to having to replace the diamond segment earlier, which not only wastes the diamond segment material that has not yet performed its cutting function, but also reduces the processing efficiency of the cutting operation due to frequent replacement of the segment

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Take 1.0kg of copper powder, 0.1kg of manganese powder, 0.12kg of cobalt powder, 1.0kg of high-carbon ferrochrome powder, and 7.76kg of pre-alloyed powder into the mixing tank for 30 minutes, then add 0.02kg of liquid Paraffin wax and 0.20kg of diamond particles were mixed for 2 hours, and then the powder was added to the mold for cold pressing to obtain a blank for the middle cutting layer.

[0038] Take 0.6kg of copper powder, 0.1kg of manganese powder, 0.12kg of cobalt powder, 1.0kg of high-carbon ferrochrome powder, 0.4kg of tungsten carbide powder, and 7.76kg of pre-alloyed powder into the mixing tank and mix for 30 minutes Finally, add 0.02kg of liquid paraffin and 0.20kg of diamond particles, continue mixing for 2 hours, then add the powder into the mold and cold press to form a side cutting layer blank.

[0039] Take 1.0kg of copper powder, 0.1kg of manganese powder, 0.12kg of cobalt powder, 1.0kg of high-carbon ferrochrome powder, and 7.76kg of pre-alloyed powd...

Embodiment 2

[0043] Take 1.2kg of copper powder, 0.3kg of manganese powder, 0.25kg of cobalt powder, 0.8kg of high-carbon ferrochrome powder, and 7.42kg of pre-alloyed powder into the mixing tank for 30 minutes, then add 0.03kg of liquid Paraffin wax and 0.20kg of diamond particles were mixed for 2 hours, and then the powder was added to the mold for cold pressing to obtain a blank for the middle cutting layer.

[0044] Take 0.8kg of copper powder, 0.3kg of manganese powder, 0.25kg of cobalt powder, 0.8kg of high-carbon ferrochrome powder, 0.5kg of tungsten carbide powder, and 7.32kg of pre-alloyed powder into the mixing tank and mix for 30 minutes Finally, add 0.03kg of liquid paraffin and 0.20kg of diamond particles, continue mixing for 2 hours, then add the powder into the mold and cold press to form a side cutting layer blank.

[0045] Take 1.2kg of copper powder, 0.3kg of manganese powder, 0.25kg of cobalt powder, 0.8kg of high-carbon ferrochrome powder, and 7.42kg of pre-alloyed powd...

Embodiment 3

[0049] Take 1.1kg of copper powder, 0.2kg of manganese powder, 0.18kg of cobalt powder, 0.9kg of high-carbon ferrochrome powder, and 7.59kg of pre-alloyed powder into the mixing tank for 30 minutes, then add 0.03kg of liquid Paraffin wax and 0.20kg of diamond particles were mixed for 2 hours, and then the powder was added to the mold for cold pressing to obtain a blank for the middle cutting layer.

[0050] Take 0.7kg of copper powder, 0.2kg of manganese powder, 0.18kg of cobalt powder, 0.9kg of high-carbon ferrochrome powder, 0.3kg of tungsten carbide powder, and 7.69kg of pre-alloyed powder into the mixing tank and mix for 30 minutes Finally, add 0.03kg of liquid paraffin and 0.20kg of diamond particles, continue mixing for 2 hours, then add the powder into the mold and cold press to form a side cutting layer blank.

[0051] Take 1.1kg of copper powder, 0.2kg of manganese powder, 0.18kg of cobalt powder, 0.9kg of high-carbon ferrochrome powder, and 7.59kg of pre-alloyed powd...

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Abstract

The invention relates to a diamond saw blade and belongs to the technical field of diamond tools. The diamond saw blade comprises a round metal matrix and a plurality of diamond tool bits arranged onthe outer end surface of the round metal matrix, wherein chip spaces are formed between adjacent diamond tool bits; an annular protecting coating is formed on the surface, close to the diamond tool bits, of the round metal matrix; the annular protecting coating is composed of a metal intermediate layer in contact with the round metal matrix and a hard alloy layer arranged on the metal intermediatelayer. The annular metal matrix of the diamond saw blade is provided with the annular wear-resistant protecting coating, so that erosion of cutting chip to the metal matrix is prevented effectively,and the heat dissipating property of the metal matrix is improved and vibration between the metal matrix and the diamond tool bits is reduced, and therefore, the service life of the diamond saw bladeis prolonged and the cutting stability of the diamond saw blade is improved favorably.

Description

technical field [0001] The invention relates to the technical field of diamond tools, more specifically, the invention relates to a diamond saw blade and a preparation method thereof. Background technique [0002] Diamond saw blades are widely used in the processing of hard and brittle materials such as concrete, stone, and ceramics. Diamond saw blades usually consist of a circular base and a diamond tip welded to the outer edge of the base. The diamond cutter head plays the role of cutting during use, and the cutter head is continuously consumed during the cutting process. The diamond in the cutter head plays the role of cutting in the diamond cutter head. Since the particle size of industrially produced synthetic diamond particles is usually 15-200 mesh, diamond particles can only exert their cutting effect when they are wrapped in a metal matrix in application, and the effect of wrapping determines the cutting performance of diamond particles. Since the diamond particle...

Claims

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Application Information

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IPC IPC(8): B28D1/04
CPCB28D1/04
Inventor 桑志军
Owner WEIHAI VOCATIONAL COLLEGE
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