Difference Between WA Grinding Wheel And PA Grinding Wheel

The main difference between WA grinding wheel and PA grinding wheel lies in their composition, performance and application areas. ‌

WA grinding wheel: ‌

The main component is white corundum abrasive, which is white in color. Its hardness is higher than that of brown corundum. The abrasive grains are easy to break, the edges are sharp, the cutting performance is good, and the grinding heat is small. ‌
It is suitable for grinding hardened steel, alloy steel, high-speed steel, high-carbon steel, thin-walled parts, etc. These materials usually have high tensile strength. ‌
WA grinding wheel is particularly suitable for processing mold steel 12 working at high temperature due to its high thermal stability and wear resistance. ‌
PA grinding wheel: ‌

The main component is chrome corundum abrasive, which is rose or purple in color, with sharp cutting edge, good edge retention and high hardness. ‌
It is suitable for grinding tools, measuring tools, instruments, threads and other workpieces, which have low requirements for surface roughness values. ‌
PA grinding wheel is suitable for processing softer mold steel 12 because of its good self-sharpening and cutting performance. ‌
In summary, WA grinding wheel and PA grinding wheel each have their own advantages and application areas. ‌The choice of which grinding wheel to use depends on the characteristics of the processing material and the specific requirements of the processing. ‌