Electronics Forum | Wed Jun 14 03:21:29 EDT 2017 | bukas
hello everyone, I got a Heller reflow oven that operates at 3x240V and a delta-delta transformer since my grid is 3x380V. the problem I have right now is that there is no neutral line at delta-delta transformer, also there is no neutral line at oven
Electronics Forum | Thu Jun 15 14:51:37 EDT 2017 | bmalhi
If machine serial tag referring to 3Ph, 208-240V then you cannot apply 3Ph, 380V. In order to use 3Ph, 380V supply you have, machine needs to be retrofitted to work with this voltage. If you apply 380V without voltage conversion, you will damage som
Electronics Forum | Fri Apr 05 18:31:22 EDT 2019 | ttheis
I would really suggest staying away from novastar on their ovens- we had a really bad experience with two of their ovens being unable to maintain temperature properly. We ended up buying a used BTU VIP70 and it has been working out great. A Heller 18
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 | 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
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 | Mon Apr 17 19:42:34 EDT 2000 | Russ Cutler
We just bought a new Heller 1800 EXL reflow oven for reflowing SMT boards. We us a low temp RMA solder paste with 2% silver. Everything we build is to IPC Class 3 specifications. We have approximately 600 different types of circuit boards we build
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 Sep 07 16:53:37 EDT 2012 | burb1999
We have Heller, 1707EXL now. It has a removable support for the mesh conveyor that just pull out (clipped in). Had an Electrovert and they were bolted on and very tuff to change out. The oilers Im not sure I care for though,they have a metal rail t
Electronics Forum | Wed Feb 14 13:12:12 EST 2018 | dph150
I have a Heller 1800S reflow oven the thing runs fine but when I have to change profiles the oven will have to be cooled down to room temp before it will change. Has anyone seen this or know how to fix it? Thanks, David
Reflow ovens for automated SMT PCB assembly, specializing in lead free processing and nitrogen reflow. The best convection reflow ovens on the market.
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