So, your doing it with a plotter ? I see fore me a plotter with a pressure hose entering the top of a syringe-holder with a pneumatic sylinder pushing down on the plunger. Popping out small dots of pasta on each solder pad... KreAture ----- Original Message ----- From: "Alexandre Guimar=E3es" To: Sent: Monday, November 18, 2002 6:12 PM Subject: Re: [EE] Hot air soldering =3D cheap was Re: [EE]: Printer to PC= B? > Hi, Wagner > > It is as simple as it gets... Buy them in syringes and use air pressure > and time control. Easy to make your own and you only need a regulator t= o > about 25 psi. > > Best regards, > Alexandre Guimaraes > > ----- Original Message ----- > From: "Wagner Lipnharski" > To: > Sent: Monday, November 18, 2002 2:46 PM > Subject: Re: [EE] Hot air soldering =3D cheap was Re: [EE]: Printer to = PCB? > > > > Scott Touchton wrote: > > > Actually.... 450F for 2 min in a toaster oven works real well with = the > > > Kester 276 paste. > > > > > > Doing this right now in my basement, and I have a friend who owns a > > > small electronic company that has done this for the last 10 years. > > > > > > Neat thing about small ovens is that they can really follow a nice > > > pre-heat / reflow curve on their own! Start them out at 150F, then > > > hit the power and let them ramp on their own. > > > > how do you apply the solder paste? stencil system? or the continuous > stripe > > over the pads with lots of solder paste? or other? > > > > -- > > http://www.piclist.com hint: PICList Posts must start with ONE topic: > > [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads > > > > > > -- > http://www.piclist.com hint: PICList Posts must start with ONE topic: > [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads > > > -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads