Electronics Forum | Thu Mar 21 16:45:31 EDT 2013 | dyoungquist
We have been using a Heller 1707EXL (7 zones + 1 cooldown zone) for lead free (ROHS) soldering since 2007 with good results. I wouldn't go any lower than 7 heat zones though. If I may brag a bit....The IPC-7095 revision C standard was released a fe
Electronics Forum | Tue Jul 30 04:01:14 EDT 2019 | SMTA-David
Thanks all for your replies. I ended up getting an older second hand machine (2003 Heller 1707 EXL) from a local company upgrading their assembly line. It is in mint conditions and was used in air conditioned room and had maintenance every 3 months.
Electronics Forum | Tue Nov 16 09:51:25 EST 1999 | greg
has anyone used the small heller 988 reflow? If so what is your opinion of this machine.. is it comperable to the larger heller with a slower rate? i am looking for a small straight forward reflow for a thin, single sided project but i will dedica
Electronics Forum | Wed Nov 17 11:30:33 EST 1999 | Dave F
Greg: Heller 988s are good, solid, basic reflow machines that will turn paste liquid for 85-90% of all applications. I'm not sure what you mean by "is it comperable to the larger heller with a slower rate?" But, yes it will need to be run slower t
Electronics Forum | Fri Nov 11 10:58:11 EST 2011 | cpcompany
Hello Sir. I am now looking for some operational manual for Juki,MPM and Heller equipments urgently. If you can provide a manual in PDF file, then please help me out. 1.MPM UP3000 screen printer 2.JUKI KE750 / KE760 pick and placer 3.Heller 1707EX
Electronics Forum | Mon Sep 10 09:49:11 EDT 2012 | dyoungquist
We have a Heller 1707EXL that we purchased in 2006. During the first year we had 2 blower motors go bad. After the second one went bad, Heller sent a technician who replaced every blower motor on the oven at their expense. Since then it has been 5+
Electronics Forum | Fri Feb 25 16:16:01 EST 2005 | pjc
Here are some 5 zones models to look for: Electrovert OmniFlo5 Conceptronic HVA70 BTU VIP70 Vitronics SMR or XPM 520 Heller 1088 (4 zone)
Electronics Forum | Sat Apr 13 20:23:41 EDT 2019 | kylehunter
The 1500 is rated for up to 300c. So it shouldn't have a problem with lead free right? http://www.petlock.com/data/Heller_1500_specs.htm
Electronics Forum | Mon Apr 15 12:36:04 EDT 2019 | robl
We found the blowers were usually fine, but the capacitors strapped to the blower motors were failing. They were under $5 each from Digi/Mouser/Allied/RS. Worth keeping a few around. Last place had 12 Hellers including a 1500 doing ROHS with no is
Electronics Forum | Wed Feb 23 17:39:11 EST 2005 | Austinj
I am most familiar with Heller (10 yrs. of 1088 4 zone - 1800 8 zone ovens) and find them to be very reliable. Other Manufacturers may have five zone ovens on the used market. (I used Petlock as an example because you could get data sheets/specs from
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