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Diamond round saw blade

A technology of diamond and circular saw blades, which is applied in the field of iron-copper-based diamond circular saw blades, can solve the problems of inability to cut normally, cannot be used in dry cutting, poor market adaptability, etc. The effect of cost performance

Active Publication Date: 2007-04-18
BOSUN TOOLS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the prior art, most of the tooth materials of diamond circular saw blades use cobalt-based and nickel-based binder formulas, which are costly and poorly adaptable to the market; Similar, it has a good binding force to diamond tools, but the disadvantage of iron-based products is that they cannot be used for dry cutting. Products often appear "flashing" phenomenon, serious sparking will cause the saw blade "burning teeth" to block and cannot cut normally

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Take 4.34 kilograms of copper powder; 4.24 kilograms of iron powder; 0.62 kilograms of nickel powder; 0.83 kilograms of tin powder; add 0.02 kilograms of titanium powder; put it in a mixing tank, mix for 30 minutes, add 0.12 kilograms of liquid paraffin, and 0.13 kilograms of diamond powder. Continue mixing for 2.5 hours. Put the mixed saw blade base into the mold, pour the material into the material cavity and scrape it flat, cover the mold cover, put it into the press, and press under the unit pressure of 330-350Mpa. Then put the pressed blank into a sintering furnace, sinter at a high temperature of 850℃-880℃, and have a hardness of HRB65-80. After being discharged from the furnace, it is finished after being leveled, painted, and sharpened.

Embodiment 2

[0030] Take 4.5 kilograms of copper powder; 4.2 kilograms of iron powder; 0.5 kilograms of nickel powder; 0.8 kilograms of tin powder; add 0.03 kilograms of titanium powder; put it in a mixing tank, mix for 30 minutes, add 0.13 kilograms of liquid paraffin, and 0.17 kilograms of diamond powder. Continue mixing for 2.5 hours. Put the mixed saw blade base into the mold, pour the material into the material cavity and scrape it flat, cover the mold cover, put it into the press, and press under the unit pressure of 330-350Mpa. Then put the pressed blank into a sintering furnace, sinter at a high temperature of 850℃-880℃, and have a hardness of HRB65-80. After being discharged from the furnace, it is finished after being leveled, painted, and sharpened.

Embodiment 3

[0032] Take 4.1 kilograms of copper powder; 4.0 kilograms of iron powder; 1.0 kilograms of nickel powder; 0.9 kilograms of tin powder; add 0.03 kilograms of boron powder; put it in a mixing bucket, mix for 30 minutes, add 0.13 kilograms of liquid paraffin, and 0.17 kilograms of diamond powder. Continue mixing for 2.5 hours. Put the mixed saw blade base into the mold, pour the material into the material cavity and scrape it flat, cover the mold cover, put it into the press, and press under the unit pressure of 330-350Mpa. Then put the pressed blank into a sintering furnace, sinter at a high temperature of 850℃-880℃, and have a hardness of HRB65-80. After being discharged from the furnace, it is finished after being leveled, painted, and sharpened.

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Abstract

The invention discloses round saw bits mainly made of diamond, which is composed of Cu, Fe, Sn, Ni, additional element, fluid wax and diamond. Fe and Cu are taken as mixed backing to improve heat-conducting and heat-eliminating effect of fetal bodies efficiently. Poor effect in dry cutting process with saw bits can be solved. Good cost performance is kept and cost is depressed by 40%-60% than that of saw bits made of cobalt-base diamond. Based on properties of stone in different areas, the saw bits are applicable for both dry and wet cutting. Diamond saw bits for different stone and building materials are developed to remedy defect of iron-base dry cutting.

Description

Technical field [0001] The invention relates to a circular saw blade for processing building materials such as stone, in particular to an iron-copper-based diamond circular saw blade. Background technique [0002] In the prior art, most of the cutting tooth materials of diamond circular saw blades use cobalt-based and nickel-based binder formulations, which have high cost and poor adaptability to the market; iron-based matrix has superior economic performance, and is compatible with cobalt and nickel. Similar, it has good adhesion to diamond tools, but the disadvantage of iron-based products is that they cannot be used for dry cutting. In an anhydrous state, 700-800℃ high temperature will be generated at the cutting point of the circular saw blade. Products often appear "sparking". If the sparks are severe, the saw blade can block the "tooth burning" and cannot cut normally. Summary of the invention [0003] The technical problem to be solved by the present invention is to avoid...

Claims

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Application Information

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IPC IPC(8): C22C45/00C22C1/04
Inventor 孟凡爱时会彬董小雷王晓辉王成军高会忠
Owner BOSUN TOOLS CO LTD
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