A kind of preparation method of magnetic suction grinding disc for metallography
A grinding disc and magnetic suction technology, which is applied in metal processing equipment, grinding/polishing equipment, grinding devices, etc., to achieve the effect of easy replacement
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Embodiment 1
[0029] The specification of the grinding disc prepared in this embodiment is: diameter 200mm
[0030] (1) Preparation of the steel-backed disk: the steel-backed material is a double-sided galvanized sheet material (0.3mm, Shanghai Bangsai Materials Co., Ltd.) with a thickness of 0.3 mm. The diameter of the steel-backed disk is 200 mm, which is formed by stamping method, a small semicircular notch with a diameter of 15 mm is left on the edge of the steel back disc, and the surface flatness after forming is less than 0.1 mm, and the edge is polished to remove burrs and flashes;
[0031] (2) Mold preparation: According to the chip removal gap between the abrasive grain blocks on the grinding disc, the gap is set to 1.5 mm, and the shape of the mold adopts the pattern of spacing between the grinding block and the chip removal channel (the shape of the grinding block is a regular hexagon, such as figure 1 , please add), use silica gel (thickness 0.7mm, Shanghai Yima) as the mold ma...
Embodiment 2
[0038] The specification of the grinding disc prepared in this embodiment is: diameter 200mm
[0039] (1) Preparation of the steel-backed disc: the material of the steel back is martensitic stainless steel cold-rolled plate (Baosteel) with a thickness of 0.5 mm, and the specification of the steel-backed disc is 200 mm. A convex edge with a diameter of 10 mm is left at the edge, and the surface flatness after forming is less than 0.1 mm, and the edge is polished to remove burrs and flashes;
[0040] (2) Mold preparation: According to the chip removal gap between the abrasive grain blocks on the grinding disc, set the gap to 2 mm, and the shape of the mold adopts the pattern of spacing between the grinding block and the chip removal channel (the shape of the grinding block is a regular pentagon- snowflake-shaped, such as figure 2 ), select plastic (thickness 0.7mm, Taicang Fengxin Plastic Industry) as the mold material to remove the mold material at the grinding block part, re...
Embodiment 3
[0047] The specification of the grinding disc prepared in this embodiment is: 200mm
[0048] (1) Preparation of the steel-backed disc: the material of the steel back is a double-sided galvanized sheet material with a thickness of 0.6 mm (0.6 mm, Shanghai Bangsai Material Co., Ltd.), and the specification of the steel-backed disc is 200 mm, which is formed by stamping , There is a small semicircular notch with a diameter of 12 mm on the edge of the steel back disc. After forming, the surface flatness is less than 0.1 mm, and the edge is polished to remove burrs and flashes;
[0049](2) Mold preparation: According to the needs of the chip removal gap between the abrasive blocks on the grinding disc, the gap is set to 1mm, and the shape of the mold adopts the pattern of spacing between the grinding block and the chip removal channel (the shape of the grinding block is long and regular. Triangular combination figure), select silica gel (thickness 0.7mm, Shanghai Yima) as the mold ...
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Abstract
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