Electronics Forum: first smt line (Page 1 of 285)

smt line - floor requirements

Electronics Forum | Thu Aug 27 09:58:45 EDT 2015 | fcmtechnician

Hi Take out the steel plate, is acting like a trampoline, oscillating with the machine movements! Is the machine leveled OK? The installation guys use 0.02/1000 Spirit Level ( leveler )? Let the machine on the concrete floor, try first on the top o

Help me increase my first pass yields

Electronics Forum | Thu Jun 04 11:23:44 EDT 1998 | Frank S

If you could measure and chart 3 variables in my process, what would they be? The boards that I produce are on panels that are 12up and 2x4 up. All boards are single sided paper base w/o plated thru holes. They are on scored panels that measure 7"

smt line - floor requirements

Electronics Forum | Fri Sep 18 07:59:38 EDT 2015 | mun4o

Thanks FCM, we remove the metal plate and make a new ferro-concrete base.Under foot put ESD rubber.Now machine working perfect - without any vibration. Thank you very much and success.

smt line - floor requirements

Electronics Forum | Fri Aug 14 07:52:03 EDT 2015 | mun4o

Hi all, 2 weeks ago we installing a new P&P machine - chip shooter.But , after installation proved that vibration of the new P&P arе very strong.If I use mashine to 100% of the speed the machine vibrating and after 2-3 panels moving 3-5 mm.The machin

Re: Help me increase my first pass yields

Electronics Forum | Thu Jun 04 11:57:59 EDT 1998 | Pete M

Be more specific on your problems? | If you could measure and chart 3 variables in my process, what would they be? | The boards that I produce are on panels that are 12up and 2x4 up. All boards are single sided paper base w/o plated thru holes. The

process in smt

Electronics Forum | Sat Mar 28 03:26:59 EDT 2009 | gvkirubakaran

Dear sir, We are first time purchased in SMT machine and Through hole machines 1) Please suggest me, i will started the process in first the SMT process or the Axial machine and Radial machine process (THT Line) 2) i want SMT line process proced

Re: Help me increase my first pass yields

Electronics Forum | Thu Jun 04 15:41:07 EDT 1998 | Chrys

| If you could measure and chart 3 variables in my process, what would they be? | The boards that I produce are on panels that are 12up and 2x4 up. All boards are single sided paper base w/o plated thru holes. They are on scored panels that measure

Re: Help me increase my first pass yields

Electronics Forum | Fri Jun 05 13:06:14 EDT 1998 | Steve Schrader

| If you could measure and chart 3 variables in my process, what would they be? | The boards that I produce are on panels that are 12up and 2x4 up. All boards are single sided paper base w/o plated thru holes. They are on scored panels that measure

smt prototype station

Electronics Forum | Wed Nov 17 15:04:27 EST 2004 | russ

SMT assembly, First, you must utilize paste otherwise the parts will not stay put. Do you have any leaded devices such as QFPs or SOICs? Dispensing paste by hand is very difficult and time consuming for these types of parts. You can either dispense

0402's for the first time!

Electronics Forum | Wed Jul 25 23:35:18 EDT 2001 | mugen

my guys SOP : Round #1 1) take double-side tape, and peel it flat to the PCB. 2) process this PCB only through P&P SMT. 3) confirm the SMD placement Round #2 4) take thin plastic sheet and tape corners flat to the PCB. 5) solder paste print over t

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