H62 brass polishing liquid and its preparing process

A polishing liquid, brass technology, applied in polishing compositions, chemical instruments and methods, polishing compositions containing abrasives, etc., can solve the problems of high price, difficult to process uniform surface quality, etc. Good quality, the effect of alleviating the effect of mechanical scribing

Inactive Publication Date: 2007-10-17
BEIJING UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The precision polishing of plastic metals usually adopts chemical or electrochemical processing methods. The polishing liquid used is usually an acidic solution, and it is not easy to process a unifo...

Method used

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  • H62 brass polishing liquid and its preparing process
  • H62 brass polishing liquid and its preparing process
  • H62 brass polishing liquid and its preparing process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Example 1: When the ambient temperature is 16°C

[0020] (1) Implementation conditions

[0021] BDE-1B variable frequency speed adjustable optical two-axis grinding and polishing machine, 2205 surface roughness measuring instrument, special polishing fluid, cotton polishing pad, H62 brass workpiece with a diameter of 80mm and a thickness of 6mm, the polishing parameters are: frequency 12~ 18Hz, polishing pressure 0.35~0.55N / cm 2 , The eccentric distance is 15-20mm, and the polishing time is 30min.

[0022] The manufacturing method of the special polishing liquid is as shown above:

[0023] (2) Proportion of special polishing liquid

[0024] The components in volume ratio are: 2% lard, 2% abrasive, 4.5% vegetable oil, 3.5% spindle oil and 88% kerosene.

[0025] (3) The preparation method is as follows, the following percentages are the volume percentages of the polishing liquid.

[0026] ① Heat 2% lard to melt;

[0027] ②Add Al in the molten lard at a volume ratio of 1:1 2 ...

Embodiment 2

[0031] Example 2: When the ambient temperature is 25°C

[0032] (3) Implementation conditions

[0033] BDE-1B variable frequency speed adjustable optical two-axis grinding and polishing machine, 2205 surface roughness measuring instrument, special polishing fluid, cotton polishing pad, H62 brass workpiece with a diameter of 80mm and a thickness of 6mm, the polishing parameters are: frequency 12~ 18Hz, polishing pressure 0.35~0.55N / cm 2 , The eccentric distance is 15-20mm, and the polishing time is 30min.

[0034] The manufacturing method of the special polishing liquid is as shown above:

[0035] (4) Proportion of special polishing liquid

[0036] The components in volume ratio are: 2% lard, 2% abrasive, 4% vegetable oil, 4% spindle oil and 88% kerosene.

[0037] (3) The preparation method is as follows, the following percentages are the volume percentages of the polishing liquid.

[0038] ① Heat the lard with a volume ratio of 2% to melt;

[0039] ②Add Al in the molten lard at a...

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Abstract

H62 brass specific polishing fluid and its producing method belong to precision mechanical polishing field. The common polishing fluid can not well satisfy plastic metal material minuteness mirror face. The polishing fluid is composed of Al2O3 micropowder with a grain diameter of 0.5-1.0 mum, coal oil, lard, plant oil and spindle oil, wherein Al2O3 micropowder is abradant, coal oil is solvent, the mixing liquid of lard, plant oil and spindle oil is as additive; and the polishing fluid is prepared by a mixing liquid which is composed of 2% lard, 2% abraser, 8% plant oil and spindle oil by volume and 88% coal oil. The polishing fluid can produce the H62 brass element with a uniform surface quality and a good surface roughness value up to 0.008 mum, has the characteristics of no eroding elements, effectively relieving mechanical score, good processing surface quality and can be used for decoration of the plastic metal material and surface polishing process before the material metallographic microscope analysis.

Description

Technical field [0001] The invention relates to a special polishing liquid in the field of precision mechanical polishing, which is a liquid polishing mixture. It is mainly used for precision mechanical polishing of typical plastic metal material H62 brass, and also suitable for polishing of other plastic metal materials with similar properties. The polishing liquid can be widely used in the fields of precision machinery manufacturing, precision instruments, and aerospace manufacturing engineering. Background technique [0002] The precision polishing of plastic metal usually adopts chemical or electrochemical processing methods. The polishing liquid used is usually an acid solution, which is not easy to process a uniform surface quality. In chemical mechanical polishing, a chemical mechanical polishing liquid with good performance must be used to achieve the desired polishing effect, and this polishing liquid is usually expensive. Traditional polishing fluids generally do not co...

Claims

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Application Information

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IPC IPC(8): C09G1/02C09G1/18
Inventor 关佳亮范晋伟仇忠臣于新爱
Owner BEIJING UNIV OF TECH
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