Method for preparing ceramic bond super-hard abrasive tool
A technology of vitrified bond and superhard abrasive tools, which is applied in the direction of grinding/polishing equipment, grinding devices, manufacturing tools, etc. It can solve problems such as complex methods, expand chip space, improve self-sharpening ability, and improve use performance effect
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[0051] Example 1:
[0052] Combine 20 parts of ceramic bond (passing 200 mesh sieve), 60 parts of diamond (200 / 230 mesh), 10 parts of green silicon carbide (W63), 12 parts of polymer resin ball (150-230 mesh), 5 parts of water glass, Use precision (0.01g) electronic balance to accurately weigh the material, then mix it in a three-dimensional mixer, and shape it under 80MPa pressure. The dried abrasive block green body is fired in a pit furnace and the blocks are fired The temperature is 780℃, and then the surface of the segment is cleaned and bonded to the aluminum substrate with epoxy resin adhesive. After finishing and sharpening, dynamic balance and centrifugal experiments, the finished product of ceramic bond super-hard abrasive will be obtained after passing the test, which meets the requirements of customers. The internal pores are spherical closed pores, the pore diameter is mainly distributed between 60-100μm, and the porosity is 37.12%. The product is mainly used for gr...
Example Embodiment
[0053] Example 2:
[0054] Combine 25 parts of ceramic bond (passing 200 mesh sieve), 55 parts of diamond (W40), 17 parts of green silicon carbide (W14), 9 parts of polymer resin balls (230~270 mesh), 5 parts of water glass, with precision ( 0.01g) Accurately weigh the material with an electronic balance, then mix it in a three-dimensional mixer, and shape it under a pressure of 100MPa. The dried abrasive block green body is fired in a pit furnace. The firing temperature of the block is 760 ℃, then clean the surface of the segment and bond it to the aluminum substrate with epoxy resin adhesive. After finishing and sharpening, dynamic balance and centrifugal experiments, the finished product of ceramic bond super-hard abrasive will be obtained after passing the test, which meets the requirements of customers. The internal pores are spherical closed pores, the pore diameter is mainly distributed between 40-80μm, and the porosity is 35.01%. The product is mainly used for semi-finis...
Example Embodiment
[0055] Example 3:
[0056] Combine 28 parts of ceramic bond (passing 200 mesh sieve), 60 parts of CBN (W20), 12 parts of brown corundum (W5), 8 parts of polymer resin balls (270~400 mesh), 5 parts of water glass, with precision (0.01 g) Accurately weigh the materials with an electronic balance, then mix them in a three-dimensional mixer, and shape them under a pressure of 120MPa. The dried green abrasive blocks are fired in a pit furnace. The firing temperature of the blocks is 740℃ , And then clean the surface of the segment, and bond it to the threaded steel substrate with epoxy resin adhesive. After trimming and sharpening, the finished product of ceramic bond super-hard abrasive will be obtained after passing the test, which meets the requirements of customers. The internal pores are spherical closed pores, the pore diameter is mainly distributed between 30 and 70 μm, and the porosity is 34.34%. The product is mainly used for precision grinding of the inner hole of the engin...
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