Creep Feed Grinding

Synonyms

Creep grinding; Deep grinding

Definition

Various standards define creep feed grinding as a peripheral grinding process with a relatively large depth of cut a_e and accordingly low feed rate v_f (ISO 3002-5 1989; VDI 3390 2014; VDI 3391 2016). Commonly, surface grinding is referred to as creep feed grinding when depth of cut a_e ≥0.1 mm and a feed rate v_f ≤3,000 mm/min are applied. In contrast, pendulum grinding can be characterized by varying a_e and v_f opposingly; hence, a relatively high feed rate v_f and low depth of cut a_e are applied. For a better understanding of creep feed grinding, comparisons will be drawn between both mentioned grinding strategies in the following.

Theory and Applications

Creep feed grinding is a special grinding strategy where considerable material removal rates and high surface qualities are attained along with quite low grinding wheel wear. It was applied in the early 1950s for the first time and lead to an extensive development of machines, grinding...