High-precision net-free ultrathin resin grinding wheel cutting blade and manufacturing method thereof
A resin grinding wheel and cutting disc technology, used in manufacturing tools, metal processing equipment, grinding/polishing equipment, etc., can solve the problems of poor cutting ports, not to mention precision and sharpness, and achieve high cutting efficiency and smooth cutting ports. Bright, razor-sharp effect
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[0047] The preferred formula of the high-precision non-network ultra-thin resin grinding wheel cutting sheet of the present invention comprises the raw materials of the following weight percentages:
[0048] Abrasive: 38% white corundum powder,
[0050] 12% green silicon carbide,
[0051] 10% monocrystalline silicon powder;
[0052] Resin binder: 11% powdered phenolic resin,
[0053] 14% liquid phenolic resin;
[0054] Excipients: 7% carbon black.
[0055] The preparation method is as follows:
[0056] (1) Stir the raw materials evenly in an automatic mixer for more than 6 hours, and then let them stand naturally for 8-10 hours, during which the substances inside are continuously fused, interpenetrated and decomposed;
[0057] (2) Carry out 72-96 hour storage molecular static in the constant temperature and humidity preservation cabinet that temperature is 25 degrees centigrade then, and humidity is 45%;
[0058] (3) Then, at a temperature o...
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