Electronics Forum | Thu Mar 08 16:47:26 EST 2007 | aj
A full time feeder technician - who would do such a job full time ? You would be better off implementing daily PMs for the machine operators & give them the responsibility of looking after them. Get your technician to be responsible for introducing
Electronics Forum | Fri Mar 09 08:38:45 EST 2007 | Br
Hello all we have a futaba Pulscale model CH2A01 used with a fuji fba, we switched it on after a few months and it shows no response. The display stays on 000 (x/y) when moving plotter probe. Have tried cleaning scale/check leads/connectors on pcbs
Electronics Forum | Fri Mar 09 08:56:34 EST 2007 | Br
Hello all I am looking for a pcb prototyper, i have seen lpkf mentioned here i have also been looking at megauk ( german reseller?) I am not looking for speed, with my micro-budget i need a used machine in good working condition. How much would it c
Electronics Forum | Mon Mar 12 08:59:46 EDT 2007 | davef
Questions are: * You say 'voids', but you describe poor barrel fill. Are you seeing both? * Sometimes designers need to reduce the heatsink effect of large ground and power places, but this usually shows on the two upper corner pins, not all corners
Electronics Forum | Fri Mar 23 08:41:06 EDT 2007 | oldsmtdude
And I might suggest AOI at post print and post place to hone your process before even considering post reflow AOI. Post reflow AOI alone is iffy and an absolute chore to keep up with. But monitoring paste and placement are very easy. Establish a sta
Electronics Forum | Thu Mar 29 08:58:06 EDT 2007 | chrissieneale
Started measuring rework last week - on some of the boards we are looking at a shocking 20% right first time yield. The paste thing has to be fixed as it's being left more than four hours. Thanks for all the comments - Will let everyone know the re
Electronics Forum | Tue Apr 03 08:53:07 EDT 2007 | namruht
Thanks for the help everyone. I think that the pattern instead of a leaded component is going to have the best results. Also I checked on the software update and there is not any component database differences between the newest and my current versio
Electronics Forum | Sat Mar 31 08:22:42 EDT 2007 | davef
Are you observing stencil design rules with regard to aspect and area ratios? For more: * IPC-7525 - Stencil Design Guidelines * A previous discussion http://www.smtnet.com/forums/Index.cfm?CFApp=1&Message_ID=24848 * Other postings on stencil ratio
Electronics Forum | Tue Mar 27 08:49:57 EDT 2007 | slthomas
If by 15 mil accuracy you're looking to place 15 or 16 mil pitch, yeah, you're asking a lot of a IVc. Ours do OK for 20 mil pitch but I wouldn't want my living to depend on placing high volume ultra fine pitch with it. They're not designed for that.
Electronics Forum | Wed Mar 28 11:08:16 EDT 2007 | rlackey
I'd like to side with Chunks on this one mainly as I come from a component manufacturing background, but also because your arguement comes from the perspective of someone who is an engineering consultant for a company that specialises in HASS & HALT.
