kinds of grinding

1. rough or non precision grinding:the common forms of rough grinding are 'snagging' and off hand grinding'
2. precision grinding: produce good surface finish and high degree of accuracy
3. external cylindrical grinding:produce a straight or tapered surface on a work piece
4. internal cylindrical grinding: produce internal cylindrical holes and tapers
5. surface grinding: produce flat surface
6. form grinding: done with specially shaped grinding wheels for grinding gare teeth, thraeds, splined shafts , holes, spheres etc