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Sintering formula and process for sand wheel

A technology of grinding wheel and formula, which is applied in the direction of manufacturing tools, metal processing equipment, abrasives, etc., can solve the problems of insufficient grinding wheel, sand, thallium, black seven, and roughness, etc., and achieve the effect of reducing scratches, good effect, and avoiding burns

Inactive Publication Date: 2005-05-11
郑洪典
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Problems solved by technology

[0002] Existing grinding wheels for grinding stainless steel generally use ordinary grinding wheels of a single abrasive, and some also use general-purpose grinding wheels of mixed abrasives, such as Japan's {Tough Machinery Technology} journal (1978), published (grinding of various stainless steels) One article mentioned the standard shoulder cutting condition table for stainless steel grinding recommended by NASA (NdSA). The grinding wheel used in the table was alumina grinding wheel or mixed abrasive sand dry, but did not involve its specific formula and process; developed in 1981 A kind of special grinding wheel for grinding stainless steel. The ratio of sub-green silicon carbide and microcrystalline corundum abrasives and the optimal sintering process are still to be studied. During the manufacture, it was found that some grinding wheels were not enough, and some sandstones produced black and white foam. Phenomenon

Method used

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specific Embodiment

[0016] 1. Shoulder material: green silicon carbide 70~90% microcrystalline corundum 10-30% (by weight),

[0017] 2. Binder: clay 15-35%, feldspar 50-70%, boron glass 10-15% (by weight);

[0018] 3. Grinding wheel hardness: R3-ZR1,

[0019] 4. Organization number: No. 6~7:

[0020] 5. Sintering process, using city gas, using a 36-meter tunnel kiln, the firing temperature is 1330-1350 ° C, and the firing time is 90-100 hours. The grinding wheel and the corundum grinding wheel are clamped to oxidize the filling atmosphere or neutral Burning in a flame atmosphere can avoid black hearts and burning bubbles.

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Abstract

An abrasive disk is prepared from green silicon carbide, microcrystal corundum, and semi-burnt-out ceramic adhesive prepared from clay, feldspar and boron glass through sintering. Its advantages are no black core, and sufficient oxidization of carbon.

Description

technical field [0001] The invention provides a formula and a process for grinding stainless steel mixed abrasive grinding wheels, and belongs to the field of abrasive tool manufacturing in manual machinery manufacturing. Background technique [0002] Existing grinding wheels for grinding stainless steel generally use ordinary grinding wheels of a single abrasive, and some also use general-purpose grinding wheels of mixed abrasives, such as Japan's {Tough Machinery Technology} journal (1978), published (grinding of various stainless steels) One article mentioned the standard shoulder cutting condition table for stainless steel grinding recommended by NASA (NdSA). The grinding wheel used in the table was alumina grinding wheel or mixed abrasive sand dry, but did not involve its specific formula and process; developed in 1981 A kind of special grinding wheel for grinding stainless steel. The ratio of sub-green silicon carbide and microcrystalline ...

Claims

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Application Information

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IPC IPC(8): B24D3/00
Inventor 郑洪典
Owner 郑洪典