High-strength heavy-duty grinding wheel and preparation method thereof
A heavy-duty grinding wheel, high-strength technology, used in manufacturing tools, metal processing equipment, grinding/polishing equipment, etc., can solve problems such as chip burst accidents and edge bursts, and achieve improved rotational strength, improved mixing uniformity, increased The effect of curing crosslinking degree
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0027] At room temperature, put 40Kg F14 calcined brown corundum, 30Kg F8 zirconium corundum, 30Kg F16 brown corundum abrasives, F14 refers to the particle size of 14 mesh, F8 refers to the particle size of 8 mesh, F16 refers to the particle size of 16 mesh, and put them into the mixing pot for mixing and stirring 10 minutes to get abrasive. Then add n-propanol accounting for 8% of the total mass of the abrasive and continue mixing for 5 minutes to fully wet the abrasive. After the wetting is completed, add 18Kg modified phenolic resin,
[0028] 8Kg cryolite powder, 4Kg pyrite powder and 10Kg impregnated chopped glass fiber continue to mix for 5 minutes, the modified phenolic resin is 16Kg novolac resin melted and raised to 145-160℃, then add 2Kg phenolic phenolic ring obtained from oxygen resin. After the normal temperature mixing is completed, the obtained mixture is added to the open mill, and the mixing is carried out continuously for 30 minutes at a temperature of 110 °...
Embodiment 2
[0030] At room temperature, put 60Kg F14 (size number) calcined corundum, 20Kg F8 zirconium corundum, and 20Kg F16 brown corundum abrasives into the mixing pot and mix for 10 minutes, then add furfuryl alcohol accounting for 4% of the total mass of the abrasives and continue mixing for 5 minutes. Wet the abrasive thoroughly. After the wetting is completed, add 20 Kg of modified phenolic resin, 12Kg of cryolite powder, 2Kg of pyrite powder and 6Kg of impregnated chopped glass fiber and continue mixing for 5 minutes. It is obtained by adding 2.5Kg of bisphenol A novolac epoxy resin after reaching 145-160°C. After the normal temperature mixing was completed, the obtained mixture was added into an open mill, and the mixture was mixed continuously for 30 minutes at a temperature of 90°C. After kneading, the molding material was quickly put into a mold with a size of 610×75×203 and heated to 120°C, hot-pressed at a pressure of 8 Mpa for 40 minutes, and then raised to 160 °C; then ...
Embodiment 3
[0032]At room temperature, put 50Kg F14 (grain size) calcined corundum, 25Kg F8 zirconium corundum, and 25Kg F16 brown corundum abrasives into the mixing pot and mix for 10 minutes, then add a wetting agent accounting for 6% of the total mass of the abrasives and continue mixing for 5 Minutes, the wetting agent is resole phenolic resin and furfuryl alcohol, prepared according to the mass ratio of 1:1, to fully wet the abrasive. After wetting is completed, add 22Kg modified phenolic resin, 10Kg cryolite powder, 3Kg pyrite powder and 8Kg dipped chopped glass fiber and continue mixing for 5 minutes. The modified phenolic resin is 18Kg novolac resin melted and raised to It is obtained by adding 1.5kg bisphenol A novolac epoxy resin and 1.5kg o-cresol novolac epoxy resin after 145-160°C. After the normal temperature mixing is completed, the obtained mixture is added to an open mill, and the temperature is 100° C. for 30 minutes without interruption. After kneading, the molding mat...
PUM
| Property | Measurement | Unit |
|---|---|---|
| particle size | aaaaa | aaaaa |
| particle size | aaaaa | aaaaa |
| particle size | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
Login to View More