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Manufacturing method of grinding and cutting tool for controllable component structure with three-dimensional arrangement abrasive particle

A technology for cutting tools and manufacturing methods, which is applied to manufacturing tools, grinding devices, metal processing equipment, etc., can solve the problems of effective grinding and cutting tools, and does not propose how to arrange abrasive grains, and achieves high production efficiency and large supporting force. , high performance effect

Inactive Publication Date: 2007-02-07
侯志刚 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0014] Therefore, the arrangement of abrasive grains is very important to the wear resistance and sharpness of grinding and cutting tools, but in the current prior art, it has not proposed how to arrange the abrasive grains, which is most effective for grinding and cutting tools

Method used

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  • Manufacturing method of grinding and cutting tool for controllable component structure with three-dimensional arrangement abrasive particle
  • Manufacturing method of grinding and cutting tool for controllable component structure with three-dimensional arrangement abrasive particle
  • Manufacturing method of grinding and cutting tool for controllable component structure with three-dimensional arrangement abrasive particle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0087] Large-diameter circular saw segment for cutting stone blocks. A thin layer of powder is scratched on polyester film or biaxially oriented polypropylene film (BOPP) or polyethylene film as described previously. The thin layer of powder used on both sides of the diamond is a high cobalt, fine-grained powder. (Reference formula: 80% cobalt powder, 10% carbonyl iron powder, 10% tungsten carbide powder, all of which are fine powders above 300 mesh) The remaining diamond-free thin layers can be cheap powder (reference formula: 300 mesh reduced iron powder 60 %, 300 mesh 663 bronze powder 40%). The vertical point distance of abrasive grains is 1.0 mm, the line distance is 1.2 mm, and the vertical dislocation of each line is 0.2 mm. The vertical point distance of the diamonds on both sides of the block is 0.8 mm, the line distance is 1 mm, and the vertical dislocation is 0.15 mm. The diamond specifications of the thin layers on both sides are 50-60 mesh, with a value of more...

Embodiment 2

[0090] According to the same production steps as in Embodiment 1, a reciprocating cutting gang saw blade can be manufactured. The way of arranging the abrasive grains is different, it is arranged horizontally. Uniform misalignment in the vertical direction. The row spacing is smaller than the particle spacing of each column. Or make the alignment line slanted.

[0091] Powders surrounding the abrasive grains can use higher cobalt content. Or even use cobalt powder entirely. To meet performance stability requirements.

Embodiment 3

[0093] Low cost stone cutting head.

[0094] Because some stones are not hard enough, they are easy to cut. It is also possible to compress abrasive particles directly into a mixture of powder and binder. Use these flakes as the main working layers, and add a small amount of alignment layers as appropriate. Like the sides. Other production steps are the same as above. In this way, the production efficiency is also higher than that of the traditional method.

[0095] Other products such as honing sticks, wheel dressers, etc. are also the same as above.

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Abstract

The invention relates to a method for producing the grinding cutting tool with three-dimension grinding particles, which comprises: mixing the powder and adhesive into mixture; sheeting the mixture, and planting grinding particles into the thin layer; planting abrasive particles into the thin layer of cutting layer; when the thin layer is solidified, layering several thin layers, pressurizing into large compressed blank; slicing it into small compressed blank to be sintered into grinding cutting tool; or pre-sintering, slicing, and sintering into grinding cutting tool. The invention can use ultra-fine powder, to accumulate the expensive powder around the abrasive particles. The inventive arrangement of abrasive particles can save expensive material.

Description

technical field [0001] The invention relates to a grinding and cutting tool and a manufacturing method, in particular to a manufacturing method of a grinding and cutting tool with a controllable composition structure. Background technique [0002] Abrasive and cutting tools are widely used in cutting, drilling, sawing, grinding, polishing and other applications of materials. At present, the common way to manufacture grinding and cutting tools is to mix powder or powder with abrasive grains (abbreviated as abrasive grains) to make a compact, and then sinter the compact to form a product. The current compaction manufacturing method used in the industry is: put the powder or powder and abrasive grains of the required formula components together and mix them evenly, then fill them into the mold according to the required quality, and press them into shape. Then sinter. Or directly heat and press through a heatable mold and process at the same time. [0003] In the field of sto...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24D18/00
Inventor 侯志刚
Owner 侯志刚
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