Electronics Forum | Thu Mar 17 09:47:23 EDT 2022 | spoiltforchoice
Depends a bit on how well maintained it is and what your spares answer ends up being. However, bear in mind that a brand new Chinese oven of this sort of size can be 5-10K and larger but 10 years newer Heller/BTU/Vitronics oven can be priced in that
Electronics Forum | Thu Aug 25 19:37:18 EDT 2005 | Dave
Hi Mark, Check out Heller's white paper link for a study done with a PCB in line with thick and thin aluminum plates to measure repeatability and delta T with loads of large mass materials. The result was less than 1 degree with their oven due to i
Electronics Forum | Fri Jun 18 10:13:20 EDT 2021 | shmevan91
Haven't tried that yet as we don't have backups of them. The ovens are about 5 years old, our next step it to change the main card and reinstall as we have one as spares, just waiting for a break in production to do it.
Electronics Forum | Tue Sep 04 04:06:37 EDT 2007 | aripa27
rotary cylinder laser marking machine. LX-5. From Shenzen Stars. About the manuals, i only have it in hardcopy and it have three set of manuals. Thanks
Electronics Forum | Thu Oct 03 11:23:50 EDT 2019 | bukas
hello, i have a faulty board with SOT-23-5 component on it marked APKK. excluded everything else. does anyone know what component this may be? I cant find it online...
Electronics Forum | Wed Sep 08 20:48:28 EDT 2004 | Darby
Yes I agree with Russ about someone asking up front and everything else. Two tips. 1. Keep the marks at least 5mm in from the conveyor edges of the pcb so that clamping systems do not hide the mark. 2. Make sure the marks are eccentric around the pcb
Electronics Forum | Mon Jun 04 10:40:37 EDT 2012 | davef
I'm not aware of any such stipulation about witness [probe] marks for assembled boards, per se. Certainly, witness marks should not affect the intended performance of the assembly, you know, like damaging the solder connection or smudging solder mate
Electronics Forum | Tue Oct 05 22:36:37 EDT 2004 | fastek
Who can blame anyone for having lousy service in China when there's twenty companies selling cheap throw away ovens for $20K new. What's surprising is why would BTU, Ersa, Vitronics and Heller even try to sell over there anymore.
Electronics Forum | Tue Mar 17 12:39:52 EDT 2015 | bmalhi
Please call us at 973- 377-6800 ext. 5 or send e-mail serviceNJ@hellerindustries.com for assistance. Please make sure to provide oven model and serial number.
Electronics Forum | Tue Nov 06 08:21:39 EST 2018 | ppatel1212
Hi Steve, Thanks for your reply. We had this machine in stock in backroom and it been seating for last 5 years now we decided to use when i turn on everything look good to me. but to be on safe side I like to calibrate. What's your thought on this?
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