We use a low tech labor intensive method- a Dremel rotary tool with aluminum oxide wheel to remove the tooling burrs. I have seen advertisements for a high tech method/equipment by Johnson and Johnston Assoc, Inc., Hampstead NH., that performs this task that you may wish to contact for info. ################################################################ TechNet E-Mail Forum provided as a free service by IPC using LISTSERV 1.8c ################################################################ To subscribe/unsubscribe, send a message to [log in to unmask] with following text in the body: To subscribe: SUBSCRIBE TechNet <your full name> To unsubscribe: SIGNOFF TechNet ################################################################ Please visit IPC web site (http://jefry.ipc.org/forum.htm) for additional information. For the technical support contact Dmitriy Sklyar at [log in to unmask] or 847-509-9700 ext.311 ################################################################