I-Rigid Structure Centerless Grinder iyithuluzi elibalulekile lomshini elisetshenziswa embonini yokukhiqiza, yaziwa ikakhulukazi ngekhono layo lokugaya imisebenzi ye-cylindrical ngaphandle kwesidingo sokubamba. Le ndlela entsha ivumela ukwanda kokusebenza kahle nokukhiqiza, ukuyenza kube ukukhetha okuthandwayo phakathi kwabakhiqizi abadinga ukunemba ezinqubweni zabo zomshini. Okunye kokuchazwa