Electronics Forum | Tue Jan 17 21:58:42 EST 2012 | jorge_quijano
Hello guys I hope you can help me, I had worked with machines that usually tell you how many components are dropped off, now I have some very old machines without such information, any idea how to measure if attrition rates are normal? I expect to be
Electronics Forum | Wed Feb 15 10:37:19 EST 2012 | caerleon
The only way you will be able to measure it is to count the reel before you put it on the machine, count them when they come off and deduct the amount expected to be placed. you will then have the result of attrition on the machine. or.. Pick the p
Electronics Forum | Mon Apr 28 11:37:30 EDT 2003 | terrapinstation
Chrissie, There is no "silly" question. It seems to me that, not with standing the issues highlighted in your posting, notably - risks, time, etc.. Your time would be much better spent determining the reason for the reject. If your placement equip
Electronics Forum | Wed Apr 30 09:22:26 EDT 2003 | gregp
Sounds like PSA cover tape. Contact Siemens about this. There may be an adjustment or modification to the feeder to stop it from delaminating the tape. This is generally a problem in feeders that have continuos tension on the take up mechanism (su
Electronics Forum | Tue Mar 20 21:49:38 EDT 2007 | davef
Mark there is no need to YELL here. Turn it down, please. While you're waiting for other to reply, search the fine SMTnet Archives to find threads like: http://www.smtnet.com/forums/Index.cfm?CFApp=1&Message_ID=34512 You'll find that the followi
Electronics Forum | Wed Jul 04 09:53:00 EDT 2001 | johnw
Hi guys Have any of you guys came up with a feeder calibration process I am having alot of trouble with pickup errors and attrition due to feeders. I believe Fuju have a DT-5 but this costs a fortune I need help big time here
Electronics Forum | Fri Jan 04 15:27:04 EST 2002 | davef
There is no standard. Component loss is a function of many factors, including: * Component type. * Component packaging. * Machine capabilities. * Feeder maintenance. Search the fine SMTnet Archives on attrit* for some guidelines.
Electronics Forum | Thu Jul 18 11:29:06 EDT 2002 | Mark S.
>But since we are a low volume high mix operation I need to account for almost every part used.99.5% (financial) We then also report the machine reject information on an inventory adjustment sheet. This seems to cover all the bases.
Electronics Forum | Fri Jul 19 08:11:53 EDT 2002 | gdstanton
Pete, We've been looking at that. Last I heard was August release for MYLabel 2.0. Do you already have it?
Electronics Forum | Mon Apr 28 13:50:29 EDT 2003 | swagner
We have retaped the components ourselves or had a tape house do it for us and we have on the more expensive components hand placed them in a couple of instances, this is not a common solution and only should be done as a damage control procedure.
