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Metallic tantalum, special-purpose grinding fluid for alloy of the same and preparation method thereof

A technology of grinding liquid and alloy, which is applied in the field of soft metals, can solve the problems that ordinary grinding liquid cannot meet the requirements of processing, and achieve the effect of good surface quality and high grinding efficiency

Inactive Publication Date: 2007-10-24
BEIJING UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to develop and invent a kind of special grinding liquid for the ordinary grinding liquid in precision mechanical grinding of metal tantalum and its alloys, which cannot meet the requirements of processing well.

Method used

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  • Metallic tantalum, special-purpose grinding fluid for alloy of the same and preparation method thereof
  • Metallic tantalum, special-purpose grinding fluid for alloy of the same and preparation method thereof
  • Metallic tantalum, special-purpose grinding fluid for alloy of the same and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Embodiment 1: when the ambient temperature is 25°C.

[0020] (1) Implementation conditions

[0021] BDE-1B frequency conversion and speed regulation optical two-axis grinding and polishing machine, 2205 surface roughness measuring instrument, special grinding liquid, tantalum, tungsten and hafnium workpiece, special storage cloth for storing abrasive materials, grinding parameters are: frequency 15Hz, pressure 0.3N / cm 2 , eccentric distance 15cm, grinding time 10min.

[0022] (2) Preparation method of special grinding liquid

[0023] The preparation ratio of the grinding liquid is: the uniform mixture of abrasive and mixed fat, 25% vegetable oil and 50% kerosene in volume ratio.

[0024] (3) Preparation method:

[0025] 1. the mass ratio is 45% stearic acid granules (C 17 h 35 COOH), 40% paraffin (cypress oil) and 15% beeswax are heated until melting and mixed, then filtered for subsequent use;

[0026] ② Pour the green SiC abrasive with a particle size of W5 (abr...

Embodiment 2

[0030] Embodiment 2: when the ambient temperature is 18°C.

[0031] (1) Implementation conditions

[0032] BDE-1B frequency conversion and speed regulation optical two-axis grinding and polishing machine, 2205 surface roughness measuring instrument, special grinding liquid, tantalum, tungsten and hafnium workpiece, special storage cloth for storing abrasive materials, grinding parameters are: frequency 15Hz, pressure 0.3N / cm 2 , eccentric distance 15cm, grinding time 10min.

[0033] (2) Preparation method of special grinding liquid

[0034] The preparation ratio of the grinding liquid is: the uniform mixture of abrasive and mixed fat, 25% of vegetable oil and 50% of kerosene in volume ratio.

[0035] (3) Preparation method:

[0036] 1. the mass ratio is 40% stearic acid granules (C 17 h 35 COOH), 45% paraffin (cypress oil) and 15% beeswax are heated until melting and mixed, then filtered for subsequent use.

[0037] ② Pour the green SiC abrasive with a particle size of W...

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Abstract

The invention discloses a grinding liquid of tantalum and its alloy and making method in the precise mechanical polishing domain, which comprises the following parts: 25% even composition of grinding material and composite grease, 25% vegetable oil and 50% kerosene, wherein the bulk rate of grinding material and composite grease is 1: 1; the composite grease is composed of 45% stearic particle, 40% paraffin and 15% beeswax when the environmental temperature is over 20 deg. c or 40% stearic particle, 45% paraffin and 15% beeswax when the environmental temperature is below 20 deg. c. The preparing method of grinding liquid comprises the following steps: heating the allocated composite grease to fusion; filtering; adding the grinding material, vegetable oil and kerosene sequently and proportionally.

Description

technical field [0001] The invention relates to a special mixed grinding liquid for mechanical grinding, which is a special grinding liquid for precision mechanical grinding of metal tantalum and its alloys, and is also suitable for soft metals with similar grinding material properties. The abrasive liquid is suitable for industries such as aerospace manufacturing engineering and machinery manufacturing. Background technique [0002] In mechanical grinding and other grinding processes, grinding liquid and grinding paste are often used. Dry grinding uses abrasive paste, and wet grinding uses abrasive liquid. The role of the abrasive is to evenly distribute the abrasive on the surface of the grinding tool, so that the abrasive can cut the surface of the workpiece at the same time. At the same time, the grinding liquid also plays the role of lubrication, cooling and chemical film formation, so as to promote the smooth progress of grinding and improve the grinding effect. [...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08J5/14C08L91/04C08L91/00
Inventor 关佳亮仇忠臣范晋伟杨朝旭
Owner BEIJING UNIV OF TECH
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