Mike I have not received any responce from Peter yet. I am looking forward to his responce and secondly " e alternative to salt is vigilance and more dross" What does vigilance mean is it a brand name? is this chemical cause more dross? . As a responce to Mr. Sedlak we have been working with alfachemicals but their stock is about to exhaust as far as I know. Regards Yusuf Mike Fenner yazmış: >I think you have your answer on the salts from Peter: If you buy a large >amount to prevent being caught out again, just take care to keep it dry to >prevent caking into lumps and spitting when you use it. > > > >Regards > >Mike Fenner >Indium Corporation > >T: + 44 1908 580 400 >M: + 44 7810 526 317 >F: + 44 1908 580 411 >E: [log in to unmask] >W: www.indium.com >Pb-free: www.Pb-Free.com > > > >-----Original Message----- >From: TechNet [mailto:[log in to unmask]] On Behalf Of Baski Devre >Sent: 13 July 2006 14:27 >To: [log in to unmask] >Subject: Re: [TN] Roller Tinning Process > >Dear Sedlak and Mike >Is it possible for you to give us more info about water soluble oil and >do you have any brand that you will suggest us >Best Regards > >Yusuf GÖMEÇ >Product Quality Engineer > > >BASKI DEVRE SAN ve TIC LTD STI >Ceyhan Sk. No:10 34896 Pendik-Istanbul-Turkey >Tel: 00 90 216 3901036 (4 Hat/Line)-173(Extention) > 00 90 216 4836560 (4 Hat/Line)-173(Extention) >Fax: 00 90 216 3544941 > 00 90 216 4913269 >Gsm: 00 90 533 6579897 > 00 90 533 7480014 >msn: [log in to unmask] > > > >R Sedlak yazmış: > > > >>Thanks for the explanation... I have heard/seen water soluble oil being >> >> >used in roller tinning, and it apparently worked well.. have never heard of >salt being used until now. > > >> Rudy Sedlak >> >>Mike Fenner <[log in to unmask]> wrote: >> The salt controls dross on the pot and (sometimes forgotten) ensures the >>bottom roller remains tinned. The alternative to salt is vigilance and more >>dross. Possibly you could use a [so called] water soluble oil, but I have >>never seen this done, as these were introduced after roller tinning fell >> >> >out > > >>of use in Europe. >>Roller tinning is an old process, but cheap. I think the nearest modern >>equivalent process, to think of as an alternative, would be Hot Air Solder >>Levelling. This would give much better or at least consistent solderability >>and not have the blips on the trailing edge of pads. >> >> >>Regards >> >>Mike Fenner >>Indium Corporation >> >>T: + 44 1908 580 400 >>M: + 44 7810 526 317 >>F: + 44 1908 580 411 >>E: [log in to unmask] >>W: www.indium.com >>Pb-free: www.Pb-Free.com >> >> >> >> >>-----Original Message----- >>From: TechNet [mailto:[log in to unmask]] On Behalf Of Baski Devre >>Sent: 12 July 2006 16:39 >>To: [log in to unmask] >>Subject: [TN] Roller Tinning Process >> >>Dear Technetters >>As you know that some PCB manufacturer uses roller tinning soldering >>process. In this process firstly flux is spread over PCB and then passed >>through rollers to be soldered. In this solder alloy sometimes a bit >>salt is added to improve soldering quality and help solder to be appread >>bright. I want to learn that if there is any alternative material used >>in roller tinning soldering process to elaminate salt or is there any >>alternative roller tinning soldering process flow. >>Thanks in advance to your comments and knowledge share >>Best Regards >> >>-- >>Yusuf GÖMEÇ >>Product Quality Engineer >> >> >>BASKI DEVRE SAN ve TIC LTD STI >>Ceyhan Sk. No:10 34896 Pendik-Istanbul-Turkey >>Tel: 00 90 216 3901036 (4 Hat/Line)-173(Extention) >>00 90 216 4836560 (4 Hat/Line)-173(Extention) >>Fax: 00 90 216 3544941 >>00 90 216 4913269 >>Gsm: 00 90 533 6579897 >>00 90 533 7480014 >>msn: [log in to unmask] >> >>--------------------------------------------------- >>Technet Mail List provided as a service by IPC using LISTSERV 1.8e >>To unsubscribe, send a message to [log in to unmask] with following text in >>the BODY (NOT the subject field): SIGNOFF Technet >>To temporarily halt or (re-start) delivery of Technet send e-mail to >>[log in to unmask]: SET Technet NOMAIL or (MAIL) >>To receive ONE mailing per day of all the posts: send e-mail to >>[log in to unmask]: SET Technet Digest >>Search the archives of previous posts at: http://listserv.ipc.org/archives >>Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 >>for additional information, or contact Keach Sasamori at [log in to unmask] or >>847-615-7100 ext.2815 >>----------------------------------------------------- >> >> >>***This email, its content and any files transmitted with it are intended >> >> >solely for the addressee(s) and may be legally privileged and/or >confidential. 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Use Yahoo! Messenger to make PC-to-Phone calls. Great rates >> >> >starting at 1¢/min. > > >> >> >> >> > > > > -- Yusuf GÖMEÇ Product Quality Engineer BASKI DEVRE SAN ve TIC LTD STI Ceyhan Sk. No:10 34896 Pendik-Istanbul-Turkey Tel: 00 90 216 3901036 (4 Hat/Line)-173(Extention) 00 90 216 4836560 (4 Hat/Line)-173(Extention) Fax: 00 90 216 3544941 00 90 216 4913269 Gsm: 00 90 533 6579897 00 90 533 7480014 msn: [log in to unmask] --------------------------------------------------- Technet Mail List provided as a service by IPC using LISTSERV 1.8e To unsubscribe, send a message to [log in to unmask] with following text in the BODY (NOT the subject field): SIGNOFF Technet To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest Search the archives of previous posts at: http://listserv.ipc.org/archives Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 -----------------------------------------------------