Grain coating method and grain coating system for diamond wire saws

A diamond wire saw and diamond particle technology, applied in the field of diamond wire saw sand planting methods and systems, can solve the problems of insufficient adhesion, falling off, uneven distribution of diamond particles, etc., to ensure cutting accuracy and cutting efficiency, and prolong service life. Effect

Inactive Publication Date: 2013-03-06
ZHEJIANG RUIYI NEW MATERIAL TECH CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the space of the box body 41 is relatively large compared to the diameter of the core wire, this determines that most of the diamond particles embedded in the resin layer on the surface of the core wire are embedded after multiple collisions with the inner wall of the box body 41 or the diamond particles. The resin layer, so the speed of the diamond particles when embedded in the resin layer is different, and because ...

Method used

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  • Grain coating method and grain coating system for diamond wire saws
  • Grain coating method and grain coating system for diamond wire saws
  • Grain coating method and grain coating system for diamond wire saws

Examples

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Embodiment 1

[0041] refer to figure 2 , figure 2 It is a schematic flow chart of a diamond wire saw sand planting method provided by an embodiment of the present invention, and the method includes steps:

[0042] Step S1: uniformly coating the resin adhesive on the surface of the core wire.

[0043] The step S1 specifically includes: passing the core wire through a device containing a resin adhesive at a set speed, and coating a layer of resin adhesive on the surface of the core wire; making the core coated with the resin adhesive The wire passes through a mold with a set aperture to adjust the thickness of the resin adhesive on the surface of the core wire, so that the resin adhesive is evenly coated on the surface of the core wire.

[0044] Wherein, when the core wire passes through the mold with a set aperture, the thickness of the resin adhesive on the surface of the core wire can be adjusted, so that the resin adhesive is evenly distributed on the surface of the core wire, and the...

Embodiment 2

[0059] The diamond wire saw sand planting method provided by the present invention has been described in detail above, and the diamond wire saw sand planting system provided by the present invention will be described in detail below.

[0060] refer to image 3 , image 3 It is a structural schematic diagram of a diamond wire saw sand planting system provided by the present invention. The diamond wire saw sand planting system includes: a coating device 101 for uniformly coating the resin adhesive on the surface of the core wire; Diamond particles are negatively charged, the core wire is positively charged, and the negatively charged diamond particles are sprayed into the resin binder on the surface of the positively charged core wire 102; used for core wire curing Shaped curing device 103 .

[0061] Preferably, the diamond wire saw sand planting system in the embodiment of the present invention further includes: a recovery device 104, the recovery device 104 is used to collec...

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PUM

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Abstract

The invention discloses a grain coating method and a grain coating system for diamond wire saws. The grain coating method includes firstly, coating resin binders uniformly on surfaces of wire cores; secondly, applying negative charge to diamond grains, applying positive charge to the wire cores, enabling the diamond grains with the negative charge to move under action of electric field stress so as to implant the diamond grains into the resin binders on the core wires; and thirdly, curing the wire cores. In the grain coating method, the diamond grains with negative charge are implanted into the resin binders on the surface of the wire cores under action of the electric field stress so as to be uniformly distributed in the resin binders on the surfaces of the wire cores; implanted depth of the diamond grains in the resin binders is controlled by controlling the electric field stress of the diamond particles, the exposure rate of the diamond grains is then controlled, and accordingly cutting precision and cutting efficiency of diamond wire saws can be guaranteed and service lives thereof can be prolonged.

Description

technical field [0001] The invention relates to the technical field of cutting technology, and more specifically, to a diamond wire saw sand planting method and system. Background technique [0002] As a cutting tool with better cutting effect, diamond wire saw is favored because of its narrow kerf, high material yield, ability to cut large-sized workpieces, no ablation marks on the cutting surface, less environmental pollution, and high cutting precision. Widely used in the cutting of high-hardness materials, especially in the process of cutting crystalline silicon into silicon wafers. [0003] A common preparation method of diamond wire saw is the resin binder method, which is prepared by using a resin binder to bond diamond particles to the metal core wire by sand planting. The sand planting method determines the distribution uniformity, distribution density, and edge height (exposed rate of diamond particles) of diamond particles on the diamond wire saw, which in turn d...

Claims

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Application Information

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IPC IPC(8): B05D1/06B05B5/14B28D5/04
Inventor 刘伟赵涛万容兵
Owner ZHEJIANG RUIYI NEW MATERIAL TECH CORP LTD
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