Sangkee Min
Sponsored
By: CODEF
Abstract
A 3-
dimensional finite element model of drilling burr formation was proposed. A
conventional twist drill was used and assumed to be a rigid body. Stainless steel (AISI
304L) was modeled for the workpiece material. An incremental plasticity model with
associated flow rule and isotropic hardening rule was used to describe a plastic behavior
of the workpiece. Due to the rapid speed of process, strain rate dependency of the
material was modeled and adiabatic thermal assumption was
made.
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