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Manufacturing method of polishing disk for gem plane and material for preparing polishing layer

A polishing disc and polishing layer technology, which is applied in grinding/polishing equipment, abrasives, manufacturing tools, etc., can solve the problems of oxidation resistance, poor wear resistance, low surface finish of gemstone planes, and low utilization rate of polishing discs. Achieve the effect of less surface scratches, improved surface finish and moderate hardness

Active Publication Date: 2012-01-04
CHONGQING CHUANYI AUTOMATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The polishing disc made by this method has poor oxidation resistance and wear resistance. During the polishing process, the flat surface finish of the gemstone is low, the surface quality is poor, and 70% of the product surface will produce serious scratches. Turning the surface layer of the polishing disc leads to low utilization rate of the polishing disc, difficulty in batch processing, and high cost

Method used

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  • Manufacturing method of polishing disk for gem plane and material for preparing polishing layer

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Experimental program
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Effect test

Embodiment 1

[0026] The specific production steps of the gem flat polishing disc are as follows:

[0027] (1) Car-made polishing disc substrate: the substrate material is generally cast iron, and after the surface of the substrate is turned flat, four symmetrically distributed dovetail grooves are processed on one end surface to fix the polishing layer material.

[0028] Use cotton yarn dipped in gasoline to wipe off the oil on the surface of the substrate, and then use a copper wire brush to remove iron filings and dirt on the surface.

[0029] (2) Melting of polishing materials: weigh tin, lead, and copper according to the configuration in Table No. 1. Put tin in an iron pot, heat it on an electric furnace until it melts, use an iron spoon to remove impurities and scum on the surface of the tin liquid; then put lead into the tin liquid to melt, use an iron spoon to remove impurities and scum on the surface of the liquid Slag; Finally, put the red copper into the tin-lead mixture, comple...

Embodiment 2

[0035] The difference from the embodiment is that when the polishing material is smelted, tin, lead and copper are weighed according to the configuration of Table No. 2, and the rest of the steps are the same as in the embodiment.

Embodiment 3

[0037] The difference from the embodiment is that when the polishing material is smelted, tin, lead, and copper are weighed according to the configuration of Table No. 3, and the rest of the steps are the same as in the embodiment.

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Abstract

The invention relates to a manufacturing method of a polishing disk for a gem plane and material for preparing a polishing layer. The manufacturing method of the polishing disk comprises the following steps of: machining four dovetail grooves which are symmetrically distributed and are used for fixing the polishing layer on the end face of a cast iron basal body; weighting tin, lead and copper, firstly heating tin to be melted, then placing lead into the tin liquid to be melted, and finally placing copper into the mixed liquid of the tin and the lead to be melted; preheating the basal body ofthe polishing disk; casting the melted tin-lead-copper alloy on the preheated basal body of the polishing disk to ensure that the basal body is firmly combined with the polishing layer; and turning the polishing disk to obtain the polishing disk. By adopting the polishing disk manufactured by using the method to polish the gem plane, the surface of the gem has little scratch and improved smoothness. The polishing disk has high utilization rate, the antioxidation and the wear resisting property of the polishing layer are good, and the purposes of improving the quality and the efficiency, reducing the cost and realizing batch production are achieved.

Description

technical field [0001] The invention relates to a preparation method of a polishing disc, in particular to a preparation method of a gem plane polishing disc and a material for preparing a polishing layer. Background technique [0002] Artificial sapphire has the characteristics of high hardness, wear resistance, small linear expansion coefficient, high compressive strength, acid and alkali resistance, and corrosion resistance. Especially when it is combined with steel, the dry friction coefficient is small, so it consumes less power and can improve the accuracy of instruments. , Therefore, it is often used to make gemstone plane bearings, and is widely used in aerospace, military, measuring tools and other instruments. However, since the Mohs hardness of sapphire reaches 9, the crystal is anisotropic, and processing is difficult. The surface quality, finish and flatness of gemstones determine their service life and performance. Among them, the flatness of the polishing di...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B24D18/00B24D3/00
Inventor 柏教林
Owner CHONGQING CHUANYI AUTOMATION