Using HSCA, the tools successfully solve the problem between big pore and high hardness.They are of particular advantage to heat dispersion and chips exclusion when polishing and grinding.

• 采用空心球形复合磨料制造的磨具，气孔率高、利于散热、排屑、不易烧伤工件，同时有效的解决了大气孔与高强度之间的矛盾。