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

A technology of grinding fluid and alloy, applied in the field of soft metals, can solve the problem that ordinary grinding fluid can not meet the processing well, and achieve the effect of good surface quality and high grinding efficiency.

Inactive Publication Date: 2009-08-05
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

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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% of vegetable oil and 50% of 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 W...

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 special grinding liquid for metal tantalum and its alloy and the preparation method thereof belong to the field of precision mechanical polishing. Conventional grinding fluid can not meet the requirements of grinding processing very well. The composition and proportion of the grinding liquid are: a uniform mixture of abrasive and mixed fat with a volume ratio of 25%, 25% vegetable oil, and 50% kerosene, wherein the volume ratio of abrasive and mixed fat is 1:1, and the ratio of mixed fat Yes: when the ambient temperature is higher than 20°C, the mass ratio is 45% stearic acid granules, 40% paraffin and 15% beeswax; when the ambient temperature is lower than 20°C, it is 40% stearic acid granules, 45% paraffin and 15% beeswax. The preparation method of the grinding liquid is as follows: firstly heat the mixed fat prepared according to the requirements until it is melted, and then filter, and then add abrasive materials, vegetable oil and kerosene in sequence according to the proportion. Stir evenly and cool to room temperature. The grinding liquid can improve the surface quality and processing efficiency of grinding processing, and is suitable for industries such as aerospace manufacturing engineering and machinery manufacturing.

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 Patents(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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