Electronics Forum: trays (Page 4 of 75)

BGA and QFP orientation in trays for pick and place

Electronics Forum | Wed Jan 14 14:58:21 EST 2004 | Gilroy Misquita

I would like to know if there is an International standard for BGA and QFP polarity in trays for pick and place. How are these components placed on trays and is there a polarity of the tray itself? Please feel free to send me an email or reply on t

Universal GSM dumping trays with parts still in!!

Electronics Forum | Thu Mar 08 06:45:30 EST 2001 | genglish

I am having a problem with a Universal GSM machine (Platform Tray Feeder)dumping trays with parts still in the trays, subsequently damaging the leads. Is it possible to program the machine so if any part is not picked from the tray in the matrices a

BGA and QFP orientation in trays for pick and place

Electronics Forum | Wed Jan 14 18:33:21 EST 2004 | ex maintain leader

qfp tray one corner on the holder is 45 degree cutted there is the pin 1 bga also one corner is different in the tray at tape packaging I'm not sure, I have seen diferent comissions belong supliers

Looking for trays to lay boards on in reflow oven

Electronics Forum | Thu Jun 13 11:19:13 EDT 2019 | etmpalletguy

Reach out to me Don, I build this type of tooling on a daily basis. these are known as Pallet carrier trays, custom Matrix trays, etc, etc... Very common in this day & age. ETM SOLDER PALLET DUDE.

Universal GSM dumping trays with parts still in!!

Electronics Forum | Fri Nov 09 14:30:17 EST 2001 | vickt

FYI...Universal has software that "senses" if parts are present in the PTF trays or not. With some upgraded s/w your dumping would be over

BGA and QFP orientation in trays for pick and place

Electronics Forum | Thu Jan 15 12:55:03 EST 2004 | James

Polarity in tape and reel is usually always on the bottom left side. And that is correct for the trays, they have a corner taken out where the polarity goes. Hope that helps........

Universal GSM dumping trays with parts still in!!

Electronics Forum | Thu Mar 08 09:08:47 EST 2001 | jax

Your safest bet is to manually remove the trays. The problem with what you want is that the machine does not know that it missed a part. It simply goes to the point you specify and tries to pick somthing up; if it doesn't pick up anything it believes

BGA and QFP orientation in trays for pick and place

Electronics Forum | Fri Jan 16 07:48:29 EST 2004 | Mika

We usually program the components in the component database with pin 1 in the lower left corner. Then in the feeder database we set the component orientaion to 270 deg for Tray feeders(turn the tray in the feeder 180 deg) and "tube" feeders. For tape

Looking for trays to lay boards on in reflow oven

Electronics Forum | Sun Jun 09 21:10:11 EDT 2019 | don_julio

In our reflow oven it has pins which move at the predetermined speed to move the pcb through the various zones in the oven. The forward row of pins is fixed along the front of the oven. The rear set of pins is adjustable per the width of the pcb. We

Looking for trays to lay boards on in reflow oven

Electronics Forum | Mon Jun 10 05:05:33 EDT 2019 | pcbconnectchina

Hello! Don, I heard from SMT factory that the fixture for oven they use is durostone material, I don't if durostone is correct name translated, it is synthetic stone made of carbon fiber sheet. Best Regards Clare PCB Connect China


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