Electronics Forum | Mon Apr 09 13:16:57 EDT 2018 | harlymh
Would you recommend a Yamaha Pick and place? In terms of reliability, accuracy, cph? We're looking for a pick and place that can deliver a 50 micron accuracy. What brands do you recommend for high accuracy placements?
Electronics Forum | Tue May 22 16:07:31 EDT 2007 | francitj
We are doing a field study to test the placement accuracy and calculate cpk of some machines in our plant. From previous readings, it is suggested that you buy glass board kits from Accuspec, Topline, etc. Is that the easiest/cheapest way to go abo
Electronics Forum | Tue Aug 28 16:05:21 EDT 2001 | stefan
I did not question the accuracy, which is very good, but only 99.8 % of the time. If I require this accuracy for a certain part to be placed, than I want to have this part on target more often than 3 sigma permits.
Electronics Forum | Tue Sep 18 11:34:36 EDT 2001 | jschake
The tightest spacing between neighboring 0201 components assembled was 8-mils. Please refer to the response for the query entitled �Minimizing Tombstoning Defects� posted by martys, as the response provided there is also relevant to address this que
Electronics Forum | Fri Apr 01 09:40:57 EST 2005 | russ
Doug you are correct, I was talking about the integrety of the surface for mechanical measurement accuracy, not ESD properties.
Electronics Forum | Fri Feb 16 07:55:37 EST 2007 | ronsou
Anyone have any experiance with these Juki machines? I have no experiance with Juki except for a Zevatech place-mat 360 many years ago. Currently using Siemens and Mydata. How is the accuracy, speed, durability, and programming. Any help would be a
Electronics Forum | Tue Apr 10 02:57:53 EDT 2018 | rob
Yes I would, most of our old Yamaha machines (before 2005) will do 30-35 microns @ 3 sigma with the fine camera option. Our Jukis with His res camera's will hit it too. You should be OK with most things after 1997 with the right camera choice (whic
Electronics Forum | Tue Aug 28 14:21:39 EDT 2001 | Scott B
You have to be careful here. The figure is expressed as placement accuracy, not process quality therefore 3 sigma does not relate to 2700 PPM defects but 2700 parts per million placed outwith 15microns (0.0006" / 0.6thou). Extrapolating the distribu
Electronics Forum | Tue Mar 04 17:47:19 EST 2003 | msivigny
Hello EW, thanks for your input, the data collection for measurements such as these can get confusing because you're calculating deviations from set point location to actual placement location and then analyzing the full result. Then there are many o
Electronics Forum | Tue Mar 04 16:02:53 EST 2003 | Dave C.
We have auto-correct funtion on our Panasonic Create CM-301 placement machines but have never turned it on because of a perceived loss of placement time when the camera verifies placement. We look at the first article and correct placemnt if needed.