Electronics Forum: assemble (Page 543 of 598)

Quad 4C part placement rejection

Electronics Forum | Thu Nov 17 15:57:41 EST 2011 | olddog

Hi Bobpan, Regarding "second", the results of the test are no difference - still rejects the part. I tried 2 mils, 3 mils, 5 mils, 7 & 9. I changed the tolerances fron about 15% to 20%+. By the way, I did put on the new nozzle and it is still the sa

Quad IVc Z-axis Error

Electronics Forum | Sun Dec 04 02:20:20 EST 2011 | ngineer

I just got my hands on a Quad IVc, and am trying to find information on a Z-axis Error # 5 @ startup. I haven't really done anything since recieving the machine, I powered on, the Transport moves back and forth, the pc boots and I press enter to log

Standard for automated placement & assembly, density etc.

Electronics Forum | Sat Feb 18 09:20:09 EST 2012 | davef

The 3-Tier PCB library concept was originally created by IEC (International Electromechanical Commission) in 1999 and introduced to IPC in 2000. The concept had to be created as a solution for high density packaging for hand held devices to ruggedize

Quad IVc Fiducial Alignment

Electronics Forum | Mon Jan 21 08:26:45 EST 2013 | ngineer

Bobpan, Thanks for the reply. I have been using Tep Vision, I'll see whether I was using GOTO 1 or 0, it may have been 0. I am running from central controller, and am doing a download database from the database utilities when making changes on

ICT testing to improve yields

Electronics Forum | Mon Aug 27 08:52:57 EDT 2012 | rgduval

Reese, We would agree about the value of an ICT system, in a general manufacturing environment. However, a couple of notes apply: 1. ICT isn't a catch-all, either, and should be used to verify the process, not validate it. Quality should be buil

ICT testing to improve yields

Electronics Forum | Mon Aug 27 10:23:41 EDT 2012 | cobham1

I need to clarify something for everyone. The end customer is the Military. Our customers are military suppliers who do in fact have quality systems in place. When we build the product we end up potting the unit so the customer never looks at the ele

Universal Lightning Head Spindles

Electronics Forum | Sat Aug 18 22:54:48 EDT 2012 | eadthem

For time between maintenance, look up the assembles in voyager, follow there maintenance guidelines in there. If you look carefully you will find maintenance by parts placed. This is like your cars oil change. It is due by date, or parts placed whi

manufacturing

Electronics Forum | Wed Sep 05 17:49:45 EDT 2012 | belinda146

is not as simple as stating manufacturing efficiency is what makes manufacturing important. The pressure is built up on production staff. Procurement costs, manufacturing process costs and do not forget finance department's innovative skills in cost

ESD Protection - Hair

Electronics Forum | Thu Aug 30 10:55:54 EDT 2012 | davef

Often, people cause ESD damage. • Your body easily picks up charge (electrons) • Your skin, hair and body can store relatively large amounts of static charge. • You can transfer (discharge) this electrical charge to components or assemblies - causi

HTI Screen Printer

Electronics Forum | Thu Oct 11 09:54:30 EDT 2012 | rgduval

I've inherited an old HTI screen printer, and have been told that it was in operation before it was sent to my shop. I'm now trying to get it working, but, with no knowledge of the printer or the control system, I keep banging my head against it. A


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