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High-precision honing strip

A honing stick, high-precision technology, applied in the direction of honing tools, abrasives, metal processing equipment, etc., can solve the problems of limited effect, honing sticks to be developed, etc., to improve service life, uniform and compact microstructure, improve resistance and The effect of mechanical strength

Active Publication Date: 2010-09-01
SUZHOU XINNENG PRECISE MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the honing stick has been improved in meeting the comprehensive processing requirements such as processing time, dimensional tolerance, roughness, and service life at the same time, the improvement effect is still very limited, and a honing stick that satisfies all the above-mentioned properties at the same time needs to be developed.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0010] 60 parts by weight of copper, 6.4 parts by weight of nickel, 5.9 parts by weight of zinc, 2.3 parts by weight of cobalt, 8.1 parts by weight of silver, 7.3 parts by weight of manganese, 1.4 parts by weight of lead, 0.2 parts by weight of rare earth elements cerium and chromium, and 8.4 parts by weight of CBN abrasive Mix thoroughly. Among them, copper is made of 663 bronze powder copper. The metal purity of the above copper, nickel, zinc, cobalt, silver and manganese must reach more than 95% of the powder, and the purity of the CBN abrasive must be more than 75%, and the CBN abrasive must be fine powder with a particle size below 300 mesh, generally at 300 Between ~1000 mesh.

[0011] After mixing evenly, put the mixed powder into the ceramic mold, first pre-press, the pressure is about 5MP at this time, the second step is to raise the temperature of the whole mold to 400°C, and the pressure to 40MPa at the same time; the third step is to further increase the temperatu...

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Abstract

The invention relates to a high-precision honing strip, comprising the following components by weight percentage: 50-70% of copper, 5-10% of nickel, 5-10% of zinc, 1-5% of cobalt, 5-10% of silver, 5-10% of manganese, 1-5% of lead, 0.1-5% of rare-earth element and 5-10% of CBN grinding material, wherein the purities of copper, nickel, zinc, cobalt, silver and manganese are 95% above and the purity of the CBN grinding material is 75% above. The zinc can be replaced by tin and the CBN grinding material is micro powders with the granularity smaller than 300 meshes. After being honed by the honing strip, the surface roughness, roundness and cylindricity can meet the machining requirements. The exposure effect, the machining efficiency and the service life of the honing strip can achieve the desired effect.

Description

technical field [0001] The invention relates to a honing stick used in honing equipment. Background technique [0002] The honing stick is a strip-shaped consolidated abrasive tool made of abrasive and bonding agent, which is embedded in the honing head to finish the finished surface. It mainly processes various cylindrical holes with a diameter of 5-500 mm or even larger. Under certain conditions, it can also process flat surfaces, outer circular surfaces, spherical surfaces, tooth surfaces, etc. The pros and cons of the honing stick used in the honing machine production line mainly examine the following indicators: processing time, dimensional tolerance, roughness and service life. The honing sticks currently used in the market are basically good in one or two indicators, and the other indicators are not good. [0003] Publication No. CN1686671A discloses a honing bar for superfinishing and a preparation process in the Chinese invention patent. The composition and propo...

Claims

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Application Information

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IPC IPC(8): B24D3/06B24B33/08
Inventor 刘忠
Owner SUZHOU XINNENG PRECISE MACHINERY
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