Cincinnati Milacron Centerless Grinding Theory Principles .Jan 2, 2014 . Scanned copy of handbook published by CM many years ago. GRINDING DISCUSSIONS ONLY - NOT SALES FORUM.centerless grinding theory,Centerless Grinding Theory, Practice, Applications - Abrasive .CENTERLESS GRINDING . THEORY . PRINCIPLES . APPLICATIONS. The cylindrical grinder was first made as a crude grinding lathe in the early 1860's. Present types, which are the results of over. 100 years of development by many men, follow closely the fundamental principles of the early machines. However, the.