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Substrate-free full powder ultra-thin diamond saw blade

A diamond saw blade, all-powder technology, applied in the field of powder metallurgy, can solve the problems that the thickness of the saw blade cannot be made too thin, the steel sheet substrate cannot be reused, the steel is wasted, etc., and achieves high cutting efficiency, energy and resources saving, Long service life effect

Inactive Publication Date: 2018-12-11
JIANGSU YOUHE TOOLS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The existing carrier matrix saw blade is usually a 65Mn material steel matrix in the middle. After the cutter head is used up, the steel matrix cannot be reused, resulting in waste of steel. The conventional steel matrix accounts for 10%-15% of the entire saw blade material cost. The cost ratio of the sound-absorbing steel sheet substrate and the sandwich-shaped steel sheet substrate is higher
[0003] Due to the limitation of steel quality, the thickness of conventional steel matrix saw blades cannot be made too thin

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] In order to make the object, technical solution and advantages of the present invention clearer, the specific embodiments describe the present invention in further detail. It should be understood that the specific embodiments described here are only used to explain the present invention and not to limit the present invention.

[0019] This specific embodiment adopts the following technical scheme: the carcass is made of powder and diamond through powder metallurgy. The powder contains: copper powder, accounting for 35-55% of the total mass; cobalt powder, accounting for 8-12% of the total mass; tin powder, accounting for 8-12% of the total mass; nickel powder, accounting for 2-4% of the total mass ; titanium powder, accounting for 1-3% of the total mass; chromium powder, accounting for 1-3% of the total mass; molybdenum powder, accounting for 1-3% of the total mass; iron powder, accounting for 5-20% of the total mass; tungsten Powder, accounting for 1-10% of the total ...

Embodiment 2

[0031] A kind of matrix-free full-powder ultra-thin diamond saw blade as in Example 1, its matrix element composition and mass percentage formula are: Cu45%; Sn10%; Co12%; Ni3%; Ag4%; Si0.4%; P0. 25%; C0.3%, Zn5%, the rest is Fe, according to the standard diamond content of 0.88 g / cm 3 For 100% concentration, the volume concentration of diamond is 20%.

Embodiment 3

[0033] A kind of matrix-free full-powder ultra-thin diamond saw blade as in Example 1, its matrix element composition and mass percentage formula are: Cu55%; Sn8%; Co8%; Ni4%; Ag2%; S0.5%; P0. 3%; C0.25%, Zn5%, the rest is Fe, according to the standard diamond content of 0.88 g / cm 3 For 100% concentration, the volume concentration of diamond is 30%.

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Abstract

The invention relates to a substrate-free full powder ultra-thin diamond saw blade. A matrix is prepared by powder and diamond through a powder metallurgy method. The powder includes copper powder which is 35-55% of the total mass, cobalt powder which is 8-12% of the total mass, tin power which is 8-12% of the total mass, nickle powder which is 2-4% of the total mass, titanium powder which is 1-3%of the total mass, chromium powder which is 1-3% of the total mass, molybdenum powder which is 1-3% of the total mass, iron powder which is 5-20% of the total mass, tungsten powder which is 1-10% ofthe total mass, silver powder which is 0.5-1.5% of the total mass, silicon powder which is 0.3-0.5% of the total mass, phosphorus powder which is 0.2-0.3% of the total mass, and carbon power which is0.2-0.3% of the total mass. The volume concentration of the diamond is 2%-60% and the particle size is 0.04-0.25 mm. Because the technical scheme is used in the invention, the substrate-free full powder ultra-thin diamond saw blade has the following advantages: firstly, the substrate-free full powder ultra-thin diamond saw blade has no a substrate, which greatly reduces the waste of the substrate;secondly, the thickness can reach 0.3-1.0 mm; and thirdly, the height of a cutter head reaches 45% of the outer diameter of the saw blade, and so the service life of the product is long, the cuttingefficiency is high, the saw kerf is small, and the energy and the resources can be saved.

Description

technical field [0001] The invention relates to the technical field of powder metallurgy, in particular to a matrix-free all-powder ultra-thin diamond saw blade. Background technique [0002] The existing carrier matrix saw blade is usually a 65Mn material steel matrix in the middle. After the cutter head is used up, the steel matrix cannot be reused, resulting in waste of steel. The conventional steel matrix accounts for 10%-15% of the entire saw blade material cost. The cost ratio of the sound-absorbing steel sheet substrate and the sandwich-shaped steel sheet substrate is higher. [0003] Due to the limitation of steel quality, the thickness of conventional steel substrate saw blades cannot be made too thin. Generally speaking, for a saw blade with an outer diameter of Φ100mm, the thickness of the substrate is 0.8mm, and the blade head is 1.0mm, which has reached the limit. Due to the high thickness of the saw blade, the width of the saw kerf reaches 1.0mm, which result...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23D61/00B23D65/00
CPCB23D61/00B23D65/00
Inventor 柴辽江
Owner JIANGSU YOUHE TOOLS CO LTD
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