Electronics Forum: 40 and oven (Page 3 of 64)

Reflow oven reliability?

Electronics Forum | Mon Sep 10 08:40:21 EDT 2012 | donkudner

After selecting a few ovens based on the mfr's specifications, I plan to send them a thermal "slug" to run in their ovens (a 1/4" thick, high temp fiberglass slab with imbedded thermocouples). Since we are replacing ovens with fixed speed blowers wit

FS: Slightly used reflow oven

Electronics Forum | Wed Mar 11 15:39:34 EST 1998 | ETS

For Sale: Full convection reflow oven, slightly used. 5 zone, 100" heated length, 200" overall. 40" cooling zone, edge rail conveyor, built in profiler. For information contact Brian Stumm @ 509-483-0900 or by e-mail.

SMT line expansion - new oven and selective solder

Electronics Forum | Mon Feb 24 07:18:07 EST 2020 | kylehunter

> If your ovens are 480V you may be able to convert > them back to 240V by changing out the elements? > There are industrial suppliers for oven elements > out there. sarason Yes that is true, our dealer can do that, but due to cost

SMT line expansion - new oven and selective solder

Electronics Forum | Tue Feb 25 17:03:33 EST 2020 | kylehunter

LOL! Good to know! Yeah, we have 3Ph with a high leg, so technically at 240V, so we should be fine. Since nobody has really mentioned a real preference with the ovens, is it kinda like what I thought at first? That an 8 zone oven is an 8 zone oven.

SMT line expansion - new oven and selective solder

Electronics Forum | Mon Feb 24 01:31:45 EST 2020 | sarason

If your ovens are 480V you may be able to convert them back to 240V by changing out the elements? There are industrial suppliers for oven elements out there. sarason

SMT line expansion - new oven and selective solder

Electronics Forum | Mon Feb 24 17:02:45 EST 2020 | kylehunter

So do you guys really not like running oven's this large at 240V? Or do you just not like the two ovens specifically that I mentioned?

SMT line expansion - new oven and selective solder

Electronics Forum | Tue Feb 25 17:07:01 EST 2020 | dontfeedphils

In my experience Heller makes a great, no frills oven that just runs. The only Vitronics oven I've dealt with was over-engineered and gave me nothing but headaches.

SMT line expansion - new oven and selective solder

Electronics Forum | Tue Feb 25 15:41:03 EST 2020 | SMTA-Alex

The ovens you're looking at need 100 amps of 480, 200 amps of 240. Do you have that extra power available in your building? You can go with a step-up transformer to convert 240V to 480V. My understanding is that ovens run more efficiently on 480V.

SMT line expansion - new oven and selective solder

Electronics Forum | Tue Feb 25 16:45:45 EST 2020 | stephendo

One thing that you do not want to do is run a 240V oven at 220V. One place I worked a few lifetimes ago had an oven that had five top zones and only two on the ends on the bottom. It was something like 440V but supplied with 408V. It took a long long

SMT line expansion - new oven and selective solder

Electronics Forum | Wed Apr 01 12:26:37 EDT 2020 | proceng1

We have 3 Heller 1800 units. They run great. Our building is 208 3ph. One of ours is running 480v, so we bought a transformer to convert. I am not familiar with the other oven you mentioned.


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