Polyimide Resin CBN grinding wheel
Polyimide Resin CBN Grinding Wheels
- Dry Grinding
- High temperature Resistance
- Increased Service Life
- Improved Grinding Efficiency
Polyimide resin CBN grinding wheels are dry ground at higher temperatures, which undoubtedly improves the cost performance of grinding wheels
Polyimide resin CBN grinding wheels are made of CBN abrasive and polyimide resin with good performance as the bonding agent.
This kind of CBN grinding wheel significantly improves grinding efficiency, grinding life and the roughness of workpieces in both dry and wet grinding states.
Production Process of Polyimide Resin CBN Grinding Wheels:
Profiling Material Configuration
First, weigh the corresponding amount of polyimide resin powder, add a certain amount of filler and CBN abrasive, and put them into the mixing machine, and mix them evenly.
Matrix Oreparation
There are oil stains and impurities on the matrix. Clean the matrix with acetone before using, and then apply adhesive to the contact area between the matrix and the powder to ensure the strong bonding
Grinding Tools Assembly
Polyimide resin bond CBN grinding wheel is prone to mold sticking during the profiling process. Therefore, apply the special release agent to the base area of the grinding tools and profiling material.
Pressing Profiling
Put the combination mould with the powder into the hot pressing machine. Choose different hot pressing times based on the specifications of the grinding tools. After hot pressing, remove the grinding tools from the pressing machine and immediately use hot demolding.
Place the grinding wheel into the heated oven for curing treatment.
Curing Treatment
Do the curing the treatment for polyimide resin bond CBN grinding wheels after heating, in order to thoroughly solidify the reaction, fully utilize the bonding ability of the resin, and improve the high-temperature mechanical strength of CBN grinding wheels.
This is an important technology step in the production of resin bond grinding wheels.
Performance comparison of CBN wheels with various binders
Type of Binder | Self-Sharpening | Sharpness | Life | Dressing Difficulty | Price |
Metal | |||||
Resin | |||||
Vitrified | |||||
Electroplated | |||||
Metal-Resin |
Metal Diamond VS CBN grinding wheels
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