DIAMOND
The diamonds used in the manufacture of SMI diamond grinding wheels can be classified into two categories:
natural diamond and synthetic diamonds. Every since synthetic diamonds were first introduced in 1957. Their applications have been steadily increasing.Now they are acceptedas the principal material for diamond grinding wheels.
Two important achievements in the history of synthetic diamonds are the development of strong.though diamond grits used for saw blades and the improvement of the grits for resinoid bonds. some grits for resinoid bonds are coated with metal which enables the resinoid bond grinding wheels to achieve better performance.
Diamond powder is commercially available in 50 grades and each grade has its own unique features. Diamonds may be classifiedin to the following
two catagories in term of bonding method:
• RESINOID BOND
• METAL BOND OR VITRIFIED BOND
The grit typed and gritsizes of grinding wheels can be selected depending on workpieces, bonds, and grinding conditions.To help us design the grinding wheels best suited to your purpose.
CONCENTRATION
concentration is the content of diamonds in a unit volume of a grinding wheel.
when content is 25 volume % concantration is 100,which is equivalent to 4.4cts/cc of diamond in the grinding wheel.the relationship among grits content(in volume %),concantration and diamond content(in cts /cc)is as follows: