Internally Cooled Toric Tools for Grinding of Medical Ceramics

Denkena, Berend; Grove, Thilo; Tatzig, Lukas
May 2015
Advanced Materials Research;2015, Vol. 806, p678
Academic Journal
The application of ceramics for knee prostheses promises a significant extension of the lifespan compared to conventional metal implants due to their outstanding mechanical and tribological properties. Nevertheless, grinding operations at the bone-faced surface of ceramic knee implants are limited. These limitations arise from an unfavorable accessibility of coolant lubricant. Caused by undercuts and concave surfaces the external coolant jet is deflected and does not reach the contact zone. In this paper, a prototype of a toric grinding tool with internal coolant supply is introduced. This innovative tool design enables a reliable and economic grinding process of the bone-faced surface of ceramic knee implants.


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