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Dry-grinding diamond grinding wheel

A diamond and diamond cutter head technology, applied in abrasives, grinding devices, bonded grinding wheels, etc., can solve the problems of violent collision, destroy cutter head, reduce grinding efficiency, etc., to reduce the probability of collision, accelerate gas circulation, mechanical The effect of improved performance

Active Publication Date: 2016-01-06
JIANGSU FENGTAI TOOLS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, most diamond grinding wheels need to rely on cooling water for grinding operations, but in today's rapid industrial development environment, workers are often unable to provide cooling water conditions during efficient operations, resulting in slow natural heat dissipation of diamond grinding wheels , grinding for a period of time will make the grinding work impossible due to overheating, thereby reducing the grinding efficiency
[0003] In addition, when the angle grinder is running at high speed, since the materials to be ground are mostly irregular shapes, the grinding wheel is likely to collide violently with the materials during the grinding process, and the sand and dust generated by grinding cannot be removed in time, further damaging the knife. head, thereby reducing the quality of material grinding and the service life of the cutter head

Method used

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preparation example Construction

[0022] The present invention is the preparation technology of dry grinding diamond grinding wheel, as Figure 1-2 As shown, the diamond grinding wheel comprises a grinding wheel base 1 and a diamond cutter head 2 arranged on the grinding wheel base 1; its preferred structure is as follows:

[0023] The grinding wheel base 1 is designed to be disc-shaped, and the outer edge of the grinding wheel base is an annular plane; the diamond cutter head 2 is multiple, and is evenly distributed on the annular plane of the grinding wheel base; the center position of the disc-shaped grinding wheel base is A shaft hole 4 for fixing the base body of the grinding wheel is provided.

[0024] Described diamond cutter head is the circular cake shape structure that square through hole 3 is opened in the middle part, and annular heat dissipation hole is opened on the annular plane of grinding wheel base simultaneously, and the opening position of annular heat dissipation hole is the same as the po...

Embodiment 1

[0036] The raw materials of the diamond cutter head are: copper powder 3.0kg, iron 3.8kg, nickel 0.83kg, cobalt 1.8kg, tin 0.12kg and rare earth element (Ce) 0.14kg, put into the mixing tank and mix for 30 minutes, add liquid paraffin 0.13 kg and diamond (30 / 40 mesh, compressive strength 30kg) 0.18kg, after 3 hours of continuous mixing, the powder is poured into the mold for cold pressing, hot pressing and sintering, the grinding wheel abrasive belt is used to grind the cutter head, and the cutter head and Put the silver soldering piece together on the corresponding substrate position according to the requirements of the drawing, adjust the welding position and heat and melt the silver soldering piece, so that the cutter head and the substrate are welded together, and then use 600N / mm 2 Strength standard Welding strength test is carried out for each diamond segment, and the dry-type diamond grinding wheel after welding is removed with a sandblasting machine to remove the oxide ...

Embodiment 2

[0042]The raw materials of the diamond cutter head are: copper powder 2.7kg, iron 3.6kg, nickel 0.7kg, cobalt 1.6kg, tin 1.0kg and rare earth element 0.14kg, put into the mixing tank and mix for 30 minutes, add liquid paraffin 0.11kg and diamond (grain size 40 / 45 mesh, compressive strength 30kg) 0.15kg, continue mixing for 3 hours, pour the powder into the mold for cold pressing, hot pressing and sintering, grind the knife head with the grinding wheel, and connect the knife head with the silver solder Put them together on the corresponding substrate position according to the requirements of the drawings, adjust the welding position, heat and melt the silver solder, so that the cutter head and the substrate are welded together, and then use 600N / mm 2 Strength standard Welding strength test is carried out for each diamond segment, and the dry-type diamond grinding wheel after welding is removed with a sandblasting machine to remove the oxide scale on the substrate surface caused ...

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Abstract

The invention discloses a dry-grinding diamond grinding wheel and belongs to the technical field of grinding tools for building materials. The dry-grinding diamond grinding wheel comprises a grinding wheel base body and multiple diamond tool bits arranged on the grinding wheel base body; the grinding wheel base body is disk-shaped; the outer edge of the grinding wheel base body is an annular plane; the multiple diamond tool bits are uniformly distributed on the annular plane of the grinding wheel base body; each diamond tool bit adopts a round cake-shaped structure with a square through hole in the middle; annular heat dissipation holes are formed in the annular plane of the grinding wheel base body and correspond to the square through holes in the diamond tool bits in position. According to the invention, through special design of the cutter bits and the base body, the grinding wheel can remove scraps and dissipate heat more effectively, the problem of continuous working in the environment without cooling water is solved and work troubles of constructors under the environmental conditions of strict cooling conditions are eliminated.

Description

technical field [0001] The invention relates to the technical field of abrasive tools for building materials, in particular to a dry grinding diamond grinding wheel, which is mainly used for grinding building materials (concrete, reinforced concrete, etc., pebble ground) and building decorative stones. Background technique [0002] At present, most diamond grinding wheels need to rely on cooling water for grinding operations, but in today's rapid industrial development environment, workers are often unable to provide cooling water conditions during efficient operations, resulting in slow natural heat dissipation of diamond grinding wheels , Grinding for a period of time will make the grinding work impossible due to overheating, thereby reducing the grinding efficiency. [0003] In addition, when the angle grinder is running at high speed, since the materials to be ground are mostly irregular shapes, the grinding wheel is likely to collide violently with the materials during ...

Claims

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Application Information

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IPC IPC(8): B24D7/06B24D7/10B24D7/16B24D18/00B24D3/34B24D3/00C22C26/00C22C30/04
Inventor 邱瑜铭方利灵董先龙
Owner JIANGSU FENGTAI TOOLS
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