Resin CBN (cubic boron nitride) grinding wheel for machining saw blade base body

A substrate and grinding wheel technology, applied in metal processing equipment, manufacturing tools, abrasives, etc., can solve problems such as increasing the operating cost of manufacturers, and achieve the effects of reducing production difficulty and operating cost, improving packaging performance, and reasonable composition of raw materials

Active Publication Date: 2015-01-28
江苏赛扬精工科技有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing resin CBN grinding wheel must have a higher linear velocity to reflect the sharpness of the resin CBN grinding wheel. Therefore, it is necessary to modify the existing equipment of the current manufa

Method used

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  • Resin CBN (cubic boron nitride) grinding wheel for machining saw blade base body
  • Resin CBN (cubic boron nitride) grinding wheel for machining saw blade base body

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Example 1: See attached figure 1 As shown, the method of preparing a resin CBN grinding wheel for processing saw blade substrates includes: mixing, molding and hot pressing, sintering and hardening, and then processing the hardened grinding wheel to the shape and size required by the drawing, according to the super hard grinding wheel After passing the national standard inspection, it will be put into storage.

[0032] The raw material composition and weight percentage of the abrasive layer are 20% CBN abrasive, 30% phenolic resin powder, sodium hexafluoroaluminate 5%, electrolytic copper powder 10%, zinc oxide 15%, chromium oxide 10%, graphite powder 5% 5% of hollow alumina balls.

[0033] The average particle size of the phenolic resin powder is 40μm, the average particle size of sodium hexafluoroaluminate is 45μm, the average particle size of electrolytic copper powder is 20μm, the average particle size of metal oxide is 45μm, and the average particle size of graphite po...

Embodiment 2

[0040] Example 2: The process of preparing the grinding wheel is the same as that of Example 1, specifically:

[0041] The raw material composition and weight percentage of the abrasive layer are 25% CBN abrasive, 33% phenolic resin powder, sodium hexafluoroaluminate 5%, electrolytic copper powder 12%, zinc oxide 8%, chromium oxide 7%, graphite powder 4% , Alumina hollow ball 6%; CBN abrasive contains 25% nickel-plated CBN abrasive and 75% non-nickel-plated CBN abrasive.

[0042] The average particle size of the phenolic resin powder is 40μm, the average particle size of sodium hexafluoroaluminate is 45μm, the average particle size of electrolytic copper powder is 20μm, the average particle size of metal oxide is 45μm, and the average particle size of graphite powder The diameter is 10 μm, and the average particle size of the alumina hollow spheres is 30 μm.

[0043] (1) Mixing: The resin powder, electrolytic copper powder, graphite powder, zinc oxide, and chromium oxide are mechani...

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Abstract

The invention discloses a resin CBN (cubic boron nitride) grinding wheel for machining a saw blade base body. The resin CBN grinding wheel comprises a base body and an abrasive material layer. The abrasive material layer comprises the following raw materials in percent by volume: 15%-30% of CBN abrasive materials, 30%-45% of phenolic resin powder, 3%-6% of villiaumite grinding-aiding materials, 5%-15% of heat conduction materials, 5%-25% of metallic oxide, 2%-5% of solid lubricating materials and 4%-8% of pore forming materials. Compared with a common white corundum grinding wheel, the resin CBN grinding wheel is high in grinding amount, high in machining efficiency, long in finishing interval and low in speed of loss; and the grinding wheel changing frequency is reduced. Because the grinding wheel has high self-sharpening performance, burn injury and slow grinding of the CBN grinding wheel can be eliminated in a grinding process. On a grinding machine with low revolving speed of 1450 revolutions per minute, the CBN grinding wheel is used for replacing the common white corundum grinding wheel, and the saw blade base body can be quickly ground into a saw blade base body with the given size.

Description

Technical field [0001] The invention belongs to the field of super-hard abrasive grinding wheels, and in particular relates to a resin CBN grinding wheel used for processing saw blade substrates. Background technique [0002] The grinding wheel is the main tool for grinding. It is a porous object composed of abrasive and bonding agent. Resin grinding wheel, namely the grinding wheel with resin as the binder, has the advantages of small grinding force, low grinding temperature, good self-sharpening and high grinding efficiency. It is widely used for grinding hard and brittle materials such as cemented carbide, ceramics, and glass. Processing. [0003] Saw blade is the longest cutting tool used in product processing. It consists of a saw blade base and a cutter head. In the domestic market, it is common to use ordinary white corundum grinding wheels to process the saw blade substrate, but the ordinary white corundum grinding wheel has low processing efficiency, frequent dressing, a...

Claims

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Application Information

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IPC IPC(8): B24D3/28B24D3/34B24D18/00
CPCB24D3/28B24D3/34B24D18/0009
Inventor 王健涂俊群叶安定
Owner 江苏赛扬精工科技有限责任公司
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