Electronics Forum: machines (Page 481 of 1641)

quad 4c

Electronics Forum | Fri Nov 15 17:36:45 EST 2002 | jonfox

First of all, who are you buying it from? If it is not coming with any coverage (parts or tech support) from Tyco, don't make this your first one. They can adjust to just about anything you can program on them (big plus) but I would recommend havin

Component attrition

Electronics Forum | Mon Dec 23 16:46:29 EST 2002 | jonfox

If you are using a well maintained chip shooter, you should not see more than 1%-2%, and that is on the high side. Most pick and place machines (depending on what they utilize) with laser, vision, mechanical centering will most likely reject a diffe

Direct Chip Attached & Flip Chip

Electronics Forum | Fri Jan 10 08:52:31 EST 2003 | nifhail

We are typical SMT subcontracting house. Recently I received RFQ for brds with DCA or Flip Chip technology. In our factory we only have typical SMT machines i,e Printer-HSP chipshooter-GSM IC placer-reflow oven. What are additional machines and pro

Placement Equipment

Electronics Forum | Mon Jan 27 10:06:03 EST 2003 | binns

Just to set the record straight... Samsung did not build all Quad machines. QSA = Quad Samsung America, The QSA-30 machine platforms were manufactured by Samsung, utilizing Quad feeders, other Quad technology and Quad sales and service. Before the

bulk feeding chips

Electronics Forum | Mon Feb 03 16:56:41 EST 2003 | jonfox

We are currently NOT using bulk, even though we looked into as a means of reducing machine time and component cost. Unfortunately, since bulk cassettes did NOT take the industry by storm as it was predicted years ago, we were stuck with long lead ti

SMT Component rotation problem

Electronics Forum | Thu Feb 27 14:02:26 EST 2003 | russ

Genny you are right on with the differences between suppliers/packaging etc... I am a CEM and you are correct that we pay no heed to cad rotations from our customers/designers. A.V.L./manufacturers P/Ns information specifies orientations and such.

Tact Time Estimates

Electronics Forum | Mon Mar 10 19:01:32 EST 2003 | Stephen

This touches on one of my pet peeves. Management types demand something, that is not feasible or practicle. So the manufacturers put something together to pass off as what was asked for. In this case a way to put hard numbers on what a machine can

Attrition

Electronics Forum | Wed Apr 09 15:05:45 EDT 2003 | russ

Probably of no help but here it is anyway This is a tuff one. Attrition is due to many factors. You have machine rejects (visual fail, no pick), feeder set-up loss each time a reel is removed you lose X number of parts depending on feeder design (w

mirae pick and place machine

Electronics Forum | Tue Apr 15 15:23:10 EDT 2003 | davem

I would agree with the advice given by previous poster's. "Buyer Beware" is the rule of the day. Especially when dealing with 3rd. party brokers. Keep an eye out for some of the teir 1 EMS corp's auctions. You can pick up some excellent deals on we

A.O.I - no salesman pitch pls

Electronics Forum | Tue Jun 10 20:31:55 EDT 2003 | iman

In a perfect world, the machines would be maint."guys" for the automation machines. Think "closed loop" system. Anyway, getting back to our reality job, we are still game for automation to improve thru'put, quality, reduce problems. The focus here


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