> -----Original Message----- > From: Neil Atkinson > Sent: 11 June 1999 13:28 > To: 'IPC Technet' > Subject: Carrier Materials > > We are currently manufacturing a new production line which > uses carriers which traverse around a moving line for > assembly prior to going over a wave soldering machine. > > The problem is the carriers are made of an FR4 type material > but what material can be used as stops on the underside of > the carriers to stop wear? The tool maker has tried metal > stops (steel) but these pick up solder. Even stainless steel > causes problems because a film of solder picks up on stop and > causes problems when it falls off on the line. > > > Thanks, > > Neil Atkinson > Quality Manager > Stadium Electronic Controls ################################################################ 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's web site (http://www.ipc.org) "On-Line Services" section for additional information. For technical support contact Hugo Scaramuzza at [log in to unmask] or 847-509-9700 ext.312 ################################################################ ################################################################ 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's web site (http://www.ipc.org) "On-Line Services" section for additional information. For technical support contact Hugo Scaramuzza at [log in to unmask] or 847-509-9700 ext.312 ################################################################