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Grinding disc casting, grinding disc casting mold and grinding disc molding process

A technology of casting models and grinding discs, which is applied in the direction of casting molding equipment, casting molds, and casting mold components, so as to reduce post-processing costs and time, solve shrinkage defects, and improve product quality.

Inactive Publication Date: 2015-11-18
谌征
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing casting process is difficult to meet the requirements of the grinding disc. The Brinell hardness difference of the disc surface is less than 10HB, and there must be no casting defects that affect the use of the working area in the working area where the ultrasonic inspection requires wear depth.

Method used

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  • Grinding disc casting, grinding disc casting mold and grinding disc molding process
  • Grinding disc casting, grinding disc casting mold and grinding disc molding process

Examples

Experimental program
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Effect test

Embodiment 1

[0037] Please refer to figure 1 , a grinding disc casting, including the grinding disc main part, is characterized in that the upper plane of the grinding disc main part is designed in a stepped shape, and the inner circle of the grinding disc main part is provided with a thermal insulation slag ring, on the outer surface of the grinding disc main part The circle is provided with an outer thermal insulation overflow slag collection ring, and exhaust and slag discharge rods are evenly distributed on the thermal insulation overflow slag collection ring of the outer circle of the main part of the grinding disc.

[0038] A grinding disc casting model for making the above-mentioned grinding disc castings, comprising an upper sand box, an upper sand mold, a lower sand box, and a lower sand mold. The upper sand mold and the lower sand mold are bonded and sealed at the parting surface of the mold. A sprue is set up in the center of the sand mold, and a sprue cup is provided above the ...

Embodiment 2

[0042] Please refer to figure 2 , grinding disc molding process, using the grinding disc casting model of embodiment one to manufacture grinding discs, the grinding disc molding process is as follows:

[0043] 1) Modeling: Use grinding discs to cast model shapes, and the modeling method adopts one of resin sand molding, water glass sand molding, iron mold sand covering molding, lost foam molding and V method modeling;

[0044] 2) Smelting: Smelting the raw material of the grinding disc to obtain molten metal. The raw material of the grinding disc is selected from ductile iron, gray cast iron, stainless steel, carbon steel and alloy steel;

[0045] 3) Pouring: pour the molten metal obtained in the above step 2) into the grinding disc casting model described in 1) to obtain a grinding disc casting;

[0046] 4) Open the box and shake out the sand;

[0047] 5) Shot blasting and cleaning: Shot blasting and cleaning the grinding disc castings obtained in the above 4) to obtain gr...

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Abstract

The invention discloses a grinding disc casting which is even in rigidity, good in stability and cutting performance, durable and high in quality and a grinding disc casting mold for manufacturing the grinding disc casting. The mold is reasonable in structural design and good in heat preservation and exhausting performance. The invention further aims to disclose a grinding disc molding process. The product quality level can be greatly improved, after-treatment cost can be reduced, and after-treatment time can be shortened. A grinding disc manufactured through the molding process is good in product quality and high in percent of pass.

Description

technical field [0001] The invention relates to a grinding disc casting and the technical field of production thereof, in particular to a grinding disc casting, a grinding disc casting model and a grinding disc molding process. Background technique [0002] The grinding disc is a tool for flexible grinding or polishing of metal materials or non-metal materials by rotating the abrasive material. Its working state is to rotate and grind the workpiece at a low speed under pressure, and at the same time, it is also consumed and worn. The requirements for precision and product pass rate are very high, so the self-wear uniformity index of the grinding disc is very high, and it is necessary to withstand the influence of pressure and temperature on the dimensional accuracy of the grinding disc. Therefore, the smaller the difference in hardness and metallographic parameters in the working area of ​​the grinding disc, the better. For example, the grinding discs used for the processin...

Claims

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Application Information

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IPC IPC(8): B22C9/02B22C9/08
Inventor 谌征周高翔
Owner 谌征
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