Glass fiber and metal composite binder superhard abrasive grinding wheel and preparation method thereof
A composite bond and glass fiber technology, applied in metal processing equipment, abrasives, grinding/polishing equipment, etc., can solve the problems of poor self-sharpening of multi-layer brazed diamond tools, limited tool service life, and difficulty in meeting processing requirements. , to achieve the effect of improving processing efficiency and service life, ensuring holding strength and good self-sharpening
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[0033] The preparation method of glass fiber metal composite bond superhard abrasive grinding wheel comprises the following steps:
[0034] S1, use a wetting agent and a binder to wrap a layer of alloy brazing material on the surface of the diamond or CBN abrasive, and heat it to 200 ° C for drying to make a super-hard abrasive body;
[0035] S2, add dispersant and deionized water or absolute ethanol into the glass fiber metal composite forming device and stir evenly to prepare a dispersant solution with a concentration of 10-100mg / L, and then add glass fibers into the dispersant solution And disperse the glass fiber uniformly by ultrasonic dispersion;
[0036] S3, remove the baffle plate in the glass fiber metal composite forming device, the above-mentioned dispersant solution containing glass fibers falls into the plastic hole mold, remove the plastic hole mold by removing the container base in the forming device, and then solder the alloy The material is added to each hole...
Embodiment 1
[0046] Also refer to Figure 1-Figure 4 , the raw material components of the glass fiber metal composite bond superabrasive grinding wheel and its weight parts are: 20 parts of the superhard abrasive body, 55 parts of the glass fiber metal composite body, and 25 parts of the reinforcement body, of which the superhard abrasive body is surface-wrapped A layer of diamond abrasive of Cu-Sn-Ti alloy brazing filler metal is prepared, the reinforcement is Cu powder, and the components and weight parts of the glass fiber metal composite are: 25 parts of glass fiber, 75 parts of alloy brazing filler metal; The diameter is 20 μm, the aspect ratio is 20:1, the purity of the alloy brazing filler metal and the reinforcement is higher than 99.9%, the particle size of the brazing filler metal and the reinforcement powder is -200 mesh, and the abrasive particle size is 150 μm.
[0047] The manufacturing method of glass fiber metal composite bond superabrasive grinding wheel includes the follo...
Embodiment 2
[0058] In Example 2, the solvent used to prepare the dispersant solution was deionized water; the concentration was 10 mg / L; the heat treatment temperature was 450°C, and the heating temperature in a vacuum furnace was 850°C;
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