Electronics Forum | Tue Mar 30 12:10:31 EST 2004 | caldon
SMEMA is not just conveyor height. It also is Conveyor width, Edge Clearance, Tooling pins, Maximun Machine gap, and Lead in of conveyor. Additional, SMEMA is a machine communications Protocol for machine to machine or machine to conveyor communicati
Electronics Forum | Wed Aug 01 08:58:02 EDT 2018 | 2219576
Please check the solder paste height near PCB edges, Please check board clamping during solder paste printing. Please check tooling support boards must be fixed during the printing process. try to set wiper cleaning frequency and fine tune for best
Electronics Forum | Fri Sep 10 09:03:52 EDT 1999 | ScottM
| | hi, i m college student. i m currently doing my Final year project in PCB drilling. the main task is to design auto feeder which allign the PCB properly in position before drilling take place. the close tolerance becomes a big problem to the prec
Electronics Forum | Thu Apr 13 20:18:14 EDT 2000 | Dave F
Pete: What�s a "free issue PCB panel"? Is that like "consigned material" here in the states? In response to your question, several possible approaches (in no particular order): 1 Router approach: 1a Wood working router * Go over to Sears and buy a
Electronics Forum | Thu Aug 03 19:49:16 EDT 2000 | Darby
I presume you have no vision alignment. Buy yourself a little monocular measuring microscope ( about $100 ). You are not going to get the registration you require between stencil and pcb for each print if you are running off tooling pins , edge clamp
Electronics Forum | Thu Sep 09 09:13:10 EDT 1999 | Scott Cook
| hi, i m college student. i m currently doing my Final year project in PCB drilling. the main task is to design auto feeder which allign the PCB properly in position before drilling take place. the close tolerance becomes a big problem to the precis
Electronics Forum | Wed Jun 18 19:26:39 EDT 2003 | gregoryyork
Rules of thumb :- 1. Never over flux - not necessary and waste's money. Never top flux neither 2. Top Board temp. around 70C - 105C or there about's pending what laminate you use. Obviously the more flux you apply the higher heat required/denser PC
Electronics Forum | Tue Mar 21 02:15:26 EST 2006 | pavel_murtishev
Good morning Dave, Here are some of my assumptions. Please correct me if I am wrong. 1. Mask opening. Due to mask to PCB misregistration mask is not always centered relative to pad center how is should be. Sometimes edge of the mask matches with ed
Electronics Forum | Fri May 21 15:51:49 EDT 1999 | JohnW
Wendy.. I found that little nugget a good one from my connector suppliers..Oh we have a tool to put it in for u..only catch was the one I needed was �37K ! ! after falling off my seat I went for something like what I described blow..cost about �1K.
Electronics Forum | Fri Sep 10 12:09:02 EDT 1999 | Earl Moon
| | | hi, i m college student. i m currently doing my Final year project in PCB drilling. the main task is to design auto feeder which allign the PCB properly in position before drilling take place. the close tolerance becomes a big problem to the pr
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