Electronics Forum: basing (Page 191 of 312)

Tracking SMT Attrition (Load/Unload Loss)

Electronics Forum | Thu Jul 18 11:31:03 EDT 2002 | Mark S.

>But since we are a low volume high mix operation I need to account for almost every part used. I'm in the same boat, and we do more changing of feeders than actual placements it seems. What I have done which has improved things a lot is in our MRP

DEK ELA and MPM U2000 Hi-E Comparison

Electronics Forum | Thu Jul 25 20:47:13 EDT 2002 | Dreamsniper

Thanks for that info... I found out that MPM has UP2000 HiE VP with price lower than DEK Horizon but just a bit higher or let's say relatively the same as DEK ELA...I find it hard to decide which among the 2 based on our budget capability. My budget

Fuji cp3 and ip2 placement speed

Electronics Forum | Mon Aug 12 18:26:05 EDT 2002 | pjc

If you are talking actual placement rate- from first fiducial read of board no. 1 to first fiducial read of board no. 2, here is the best I've ever seen based on the boards I've run: CP3- 141 seconds for 468 components per board (all rectangular chi

Question on Solder Paste

Electronics Forum | Mon Aug 26 20:35:08 EDT 2002 | davef

There are no industry standards for eutectic solder-paste in conjunction with the life span of solder-paste. Whatever that is. Speaking of that ['whatever that is.'], what do you mean by �life span of solder-paste�? Is that: * Shelf life? * Workin

Where do I Start?

Electronics Forum | Sat Sep 07 09:40:30 EDT 2002 | fastek

I agree with Peter. Trying to locate another supplier is your best option. If you still decide to do it in house, then I highly recommend you purchase new equipment as opposed to used. I say this and I am a used equipment dealer. Based on your lack o

Help needed to solder poorly designed SMT LED's

Electronics Forum | Tue Sep 24 12:49:43 EDT 2002 | dragonslayr

Aperture reduction @ 5 mils thickness is your best bet. It may take several attempts to get just the right paste volume. What aperture reduction was specified to the stencil house for these specific LEDS? or was the stencil blindly produced using a

Iscan 3D Measurement

Electronics Forum | Wed Oct 09 08:36:44 EDT 2002 | pjc

Operation features of many devices, machine components, instruments depend substantially on state of their surfaces. Selective surface processing by high-intensity energy beam (ion, electron, laser treatment) is one of the most perspective directions

Reflow Oven Chain Lubrication

Electronics Forum | Sun Oct 13 22:19:28 EDT 2002 | mikestringer

Hi Everyone What lubricants do your maintenance people use for the chains in your Reflow ovens? The manuals for our ovens have one recommendation - but I am always open to other people�s experiences and recommendations. Another option may be easie

Rating SMT Machines

Electronics Forum | Wed Oct 16 09:30:11 EDT 2002 | nwyatt

I've worked with Panasonic, Fuji, Siemens, and Universal. I cannot rate Mydata since I have no experience with them. Here are my ratings based on personal preference: 1=Siemens 2=Fuji 3=Universal 4=Panasonic My reasoning behind this is: 1) Siemens

PCBA baking prior to rework

Electronics Forum | Tue Oct 15 10:12:44 EDT 2002 | davef

1) Do people always bake, sometimes or never? Does this depend on whether MS sensitive components are near the rework site? If a BGA is to be removed and reballed, baking is a no-brainer. Sometimes, based on the proximity of the MS components. >2)


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