Grinding tools are mainly used for grinding, polishing and chamfering of various sizes of silicon rods.?Compared with traditional grinding tools, diamond grinding tools have obvious advantages: high abrasive?hardness, sharp abrasive particles, high material removal rate and high machining efficiency; high?hardness of grinding tools, low wear, long repair intervals, long service life; good shape retention and?high machining accuracy of grinding tools?;?good thermal conductivity of grinding tool and low grinding?temperature.