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Preparation method of superhard resin grinding wheel

A resin grinding wheel, superhard technology, applied in the direction of manufacturing tools, metal processing equipment, grinding/polishing equipment, etc., can solve the upper limit of porosity of resin grinding wheel, uneven distribution of pores of resin grinding wheel, difficulty in uniform mixing of molding materials, etc. problems, to achieve the effects of reduced processing costs, high uniformity of structure, and good grinding performance

Inactive Publication Date: 2018-03-09
QINGDAO TIANDI CASTING CO LTD
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These two methods of "occupancy" to manufacture porous grinding wheels will be limited by the upper limit of the amount of solids, resulting in a limitation of the upper limit of the porosity of the resin grinding wheel; at the same time, the viscosity of the resin liquid is high, which makes it difficult to mix the molding materials evenly. To a certain extent, the pores of the resin grinding wheel are distributed unevenly

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0014] A kind of preparation method of superhard resin grinding wheel of the present embodiment, comprises the following steps:

[0015] 1. After the hollow balls are baked in an oven at 90°C for 3 hours, they are evenly mixed with diamonds and passed through a 120-mesh screen;

[0016] 2. Stir and heat the epoxy resin solution in a water bath at 60°C for 3 minutes, add 40% of the total amount of diluent and coupling agent, continue stirring and heating for 6 minutes, then add the hollow spheres obtained in step 1 and Diamond mixture, continue stirring and heating for 10 minutes;

[0017] 3. Lower the temperature of the water bath in step 2 to 66°C, mix the remaining diluent and curing agent evenly, add it to the slurry obtained in step 2, stir it evenly, pour it into the mold, and harden at 70°C for 8 hours , and then solidified;

[0018] 4. Lower the solidified material in step 3 to room temperature for demoulding to obtain a grinding wheel ring;

[0019] 5. The superhard...

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PUM

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Abstract

The invention discloses a method for preparing a superhard resin grinding wheel, which includes the following steps: ① After drying the hollow ball in an oven for a period of time, mix it evenly with diamond and then pass it through a screen; ② Stir and heat the epoxy resin liquid in a water bath. , add diluent and coupling agent, continue stirring and heating, add the mixture of hollow spheres and diamond obtained in step ①, continue stirring and heating; ③ Lower the temperature of the water bath in step ②, mix the diluent and curing agent evenly, and then add into the slurry obtained in step ②, stir evenly and then pour it into the mold. After hardening, solidify; ④ Lower the solidified material in step ③ to room temperature and demould to obtain the grinding wheel ring. The super-hard material obtained by processing Resin grinding wheel.

Description

technical field [0001] The invention belongs to the technical field of casting, and in particular relates to a preparation method of a superhard resin grinding wheel. Background technique [0002] In the past, porous resin grinding wheels mostly mixed water-soluble particles or hollow materials into the flowing slurry to form a "occupancy". [0003] In the case of "position", pores are generated. The water-soluble particle method is mainly to "occupy space" by adding water-soluble particles that can form pores into the abrasive layer. The hollow material method is to add a hollow spherical closed-cell material to the grinding wheel. Porous structure. These two methods of "occupancy" to manufacture porous grinding wheels will be limited by the upper limit of the amount of solids, resulting in a limitation of the upper limit of the porosity of the resin grinding wheel; at the same time, the viscosity of the resin liquid is high, which makes it difficult to mix the molding ma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24D18/00B24D3/32
CPCB24D18/0009B24D3/32
Inventor 李玉敏
Owner QINGDAO TIANDI CASTING CO LTD
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