ABSTRACT: In the study, two unsteady-state thermal models are presented for deep grinding based on the model of plane heat source moving obliquely along the surface of a semi-infinite solid. It was found that the time required for the grinding temperature to reach a quasi-steady-state in creep-feed grinding is much longer than in high efficiency deep grinding. Temperature either on workpiece ground surfaces or along the contact zone are closely related to the depth of cut.

KEYWORDS: deep-grinding   unsteady-state temperature   oblique plane heat source