Typically we use titanium. It works very well. Give me a call and I'll fill ya in. If you are using a no clean flux though, almost any material will after numerous passes build up a film and then solder sticks to the film, not the metal. Jim Gleason 972-494-1911 -----Original Message----- From: Neil Atkinson <[log in to unmask]> To: [log in to unmask] <[log in to unmask]> Date: Friday, June 11, 1999 9:29 AM Subject: Re: [TN] Carrier Materials >> -----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 ################################################################ ################################################################ 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 ################################################################