Plastic parts are notoriously difficult o run in a tumbling process. For this part the goal was to remove the mold parting line and impart a matte finish for a second post process. We chose a fast cutting, large size ceramic media in order to effectively abrade the plastic. The tumbling process has removed the raised parting line quite effectively in a short period of time. This result is seen on all parts both glass and iron filled.
The blades provided had many hours of use in the field at temperature. The surfaces of each blade were blackened by heat exposure. The process significantlybrightened each blade and removed any surface imperfections caused by the combustion process