Electronics Forum: 200 ton bending machine (Page 1 of 2)

Problem with rigid-flex PCB pressing (PVC and PET damage)

Electronics Forum | Sun Dec 21 04:27:44 EST 2014 | leadthree

Are you really sure that related to my issue? Anyway, in the meantime I experimented a bit with a PVC supplier and now I have a soft PVC that can handle my 185°C (365°F) for 90 Minutes. It becomes a little bit yellow - the previous got cat-black.

Your Input needed for new SM Resource

Electronics Forum | Fri Mar 01 09:10:50 EST 2002 | caldon

Andrew- I look for usefulness in web sites.I hate having news mail sent to my email box. Having a site post technical information, links to useful stuff, and all around beneficial information is good. It seems to me the vogue thing on the Technology

Homing Contact systems / versatec 3S. slow movement.

Electronics Forum | Thu Aug 08 18:21:21 EDT 2019 | Aaron

I recently purchased a contact systems 3, and 3s, and 4 of their 3zs. they were all used in various states of working. supposedly one 3s and 3z were working when taken out of service and had sat for a few months. another 3z had a homing issues and th

Quad IVc AutoProgram

Electronics Forum | Mon Apr 08 13:09:48 EDT 2013 | microaide

I have set Maximum Sequence Steps Per Program Segment to 450 and Maximum Placements Per Program Segment to 200. I have two Quad IVc machines, with a separate central controller in each one. One machine has a waffle feeder and will have vibratory feed

Re: Stencil Cleaning

Electronics Forum | Fri Mar 12 13:40:53 EST 1999 | Bill schreiber

In a nutshell, you should be looking for a chemistry first, then look for a machine. Hopefully, they will be from the same source. | Dear Scott, | You are correct in questioning the chemistry portion of the process. However, I am couriuous as to w

Re: Stencil Cleaning

Electronics Forum | Fri Mar 12 13:30:06 EST 1999 | Bill Schreiber

Dear Scott, You are correct in questioning the chemistry portion of the process. However, I am couriuous as to why you selected DEK as a stencil cleaner. The most important part of any cleaning process is always the chemistry. How you deliver the c

Re: Tg - Glass transition temperature

Electronics Forum | Fri Jan 21 14:51:08 EST 2000 | Dave F

Mike: I�d hate to see you making design decisions, based solely on the discussion here, but that this would be an impetus to consult IPC-D-279, "Design Guidelines ... " and take a course on designing reliable boards. Werner Engelmaier (Engelmaier

Re: Cracked Capacitors

Electronics Forum | Mon Jun 14 11:39:29 EDT 1999 | Marshall

| | | | Our company is experiencing cracked caps at our pick and place operations. The caps are being placed onto epoxy dots for subsequent wave solder operations. At present, be have set the pressure of the head at 2 in/lbs. This being down from m

Re: Cracked Capacitors

Electronics Forum | Thu Jun 17 10:37:42 EDT 1999 | Brian Wycoff

| | | | | Our company is experiencing cracked caps at our pick and place operations. The caps are being placed onto epoxy dots for subsequent wave solder operations. At present, be have set the pressure of the head at 2 in/lbs. This being down from

Re: Cracked Capacitors

Electronics Forum | Thu Jun 17 11:18:03 EDT 1999 | Ian Clelland

| | | | | | Our company is experiencing cracked caps at our pick and place operations. The caps are being placed onto epoxy dots for subsequent wave solder operations. At present, be have set the pressure of the head at 2 in/lbs. This being down fr

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