Electronics Forum: out of tolerance (Page 1 of 70)

nozzle level (low) out of tolerance (universal HSP)

Electronics Forum | Tue Aug 03 10:11:11 EDT 2010 | keiths487

we have an HSP that keeps giving nozzle level (low) out of tolerance, we have performed lighting check, also this condition is only showing up on 3 or 4 heads...any input appreciated

nozzle level (low) out of tolerance (universal HSP)

Electronics Forum | Tue Aug 03 16:12:54 EDT 2010 | namruht

Just to get the simple stuff out of the way. Make sure that no one has changed the machine nozzle data to a different type. Then try actually changing the nozzle data and putting that type into the head. If this passes it will at least eliminate the

nozzle level (low) out of tolerance (universal HSP)

Electronics Forum | Tue Aug 03 14:32:04 EDT 2010 | keiths487

random nozzle and head combo's all around the turret...head 1,4,8,11,13,14 and always nozzle 1 or 2

nozzle level (low) out of tolerance (universal HSP)

Electronics Forum | Tue Aug 03 12:20:38 EDT 2010 | namruht

Is this on all 6 nozzles on those particular heads or just some. Try swapping nozzles with another head to make sure you do not have nozzle issues.

nozzle level (low) out of tolerance (universal HSP)

Electronics Forum | Tue Aug 03 14:28:23 EDT 2010 | keiths487

the "hooks" appear to be in good shape and are holding the nozzles up...machine will run even utilizing those head/nozzle combinations...we will check the valve, and verify proper operation, during non-production time....

nozzle level (low) out of tolerance (universal HSP)

Electronics Forum | Wed Aug 04 08:37:24 EDT 2010 | keiths487

Just to get the simple stuff out of the way. Make > sure that no one has changed the machine nozzle > data to a different type. Then try actually > changing the nozzle data and putting that type > into the head. If this passes it will at least >

nozzle level (low) out of tolerance (universal HSP)

Electronics Forum | Tue Aug 03 11:40:41 EDT 2010 | swag

HSP nozzles get pushed back up into the head by a cam with a pneumatic brake on it. Make sure this is functioning properly. It is not uncommon for the MAC valve that actuates the brake to get flaky = replace it. Also, the nozzles are mechanically

nozzle level (low) out of tolerance (universal HSP)

Electronics Forum | Tue Aug 03 17:45:43 EDT 2010 | swag

I used to wrench on those all the time! I really should be more help to you but it was a few years ago... A few more things to check - clean the line sensors on the back of the machine. Check to make sure you don't have a feeder that is allowing t

nozzle level (low) out of tolerance (universal HSP)

Electronics Forum | Wed Aug 04 08:40:37 EDT 2010 | keiths487

I used to wrench on those all the time! I really > should be more help to you but it was a few years > ago... A few more things to check - clean the > line sensors on the back of the machine. Check > to make sure you don't have a feeder that i

stencil to pcb manufacturing tolerance

Electronics Forum | Thu Oct 30 09:15:20 EDT 2008 | kingshar

Hi, Hi, 1) Can anyone tell be what is the acceptable manufacturing tolerance from stencil to PCB . 2) what are the methods we can avoid that. 3) What is the method to avoid PCB shrinkage. 4) How can we correct shrinkage 5)Is there any standard gud

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