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 | 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 | 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 | Thu Jul 24 10:49:12 EDT 2008 | slthomas
100 CFM at each exhaust if you're using room air, 25 CFM/ea if you're using nitrogen (according to my manual...never used nitrogen myself) per their specified delivery rates.
Electronics Forum | Fri Sep 24 07:31:13 EDT 2021 | mun4o
Hi all, our company planning to buy a new /third/ smd line.I have choose P&P ,and solder paste printer , but I hesitate about reflow oven.Now we have two smd lines.The first oven is a old ersa hotfow5 - very robust machine. The second reflow oven is
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 | Fri Oct 07 14:37:36 EDT 2005 | jimmyjames
Could I get some help please? I have a Heller 1700EXL, 7 zone oven and I'm trying to figure out a better way of off-loading my completed boards. What I have now is simply a small table at the exit of the oven with about an 8" drop from the top of
Electronics Forum | Wed Sep 15 07:34:49 EDT 1999 | Edmund
Hi, Can someone pls suggest to me the best reflow temperature setting for a force air convection oven. The details is as follow. 1) Heller 1700s 2) 12 zone---6 top and 6 bot 3) Solder paste --- Qualitek 691 non clean 4) board size : 159mm X 159mm
Electronics Forum | Thu Sep 16 12:06:29 EDT 1999 | Scott S. Snider
| | | Hi, | | | | | | Can someone pls suggest to me the best reflow temperature setting | | | for a force air convection oven. The details is as follow. | | | 1) Heller 1700s | | | 2) 12 zone---6 top and 6 bot | | | 3) Solder paste --- Qualitek 691
Reflow ovens for automated SMT PCB assembly, specializing in lead free processing and nitrogen reflow. The best convection reflow ovens on the market.
4 Vreeland Rd.
Florham Park, NJ USA
Phone: 973-377-6800
