Electronics Forum | Wed Mar 21 20:02:37 EDT 2012 | hegemon
Lead Free in 5 zones is tough sledding. Start with your manufacturers solder reflow profile and calculate your belt speed by looking at the recommended heating time for the solder paste vs. the length of your heated zones. Set your belt speed so tha
Electronics Forum | Tue Nov 21 13:30:08 EST 2006 | CK the Flip
Lowering your bottom-side zone temperatures might help too.
Electronics Forum | Wed Nov 22 16:14:44 EST 2006 | Hussman
Chunks is right. She's recommended this in the past and it does work.
Electronics Forum | Thu May 19 12:16:48 EDT 2005 | beto_30
In this plant we have some lines with this configuration: Dek infinity - CP642 - CP642 - FIP3 - GSM - Vitronics and our averrage in change over is 60 min. It is possible that we will have a new one smt line, with Dek - My15 - My15 - Vitronics.
Electronics Forum | Thu May 26 12:21:04 EDT 2005 | stepheniii
We have dek-my12-my12-heller. We are very happy with it. Change-over time varies more by facility than by machine type. I worked at a place with dek-mviif-msf-btu and we had faster changeovers there. There we had a dedicated feeder set-up. Close to
Electronics Forum | Tue Nov 21 12:36:52 EST 2006 | kmeline
Hi Bill, I have profiled the boards using a KIC. The temperature the board sees is close as I can get it. This is not the only difference I have seen between the two oven but it is the one I haven't been able to workout.
Electronics Forum | Wed Nov 22 07:38:08 EST 2006 | realchunks
Try lowering your blower speeds on the bottom zones. Works as well and lowering temps but easier to control than balancing your delta T from zone to zone.
Electronics Forum | Tue Nov 21 11:16:48 EST 2006 | Mk
I am having issues with parts falling off a double sided board in the Vitronics but not in Heller oven. The oven profiles are as close to each other as I can get them. Does the Vitronics have more air flow? The Heller is an older oven and the chain d
Electronics Forum | Wed Jul 09 17:09:04 EDT 2008 | mikesewell
Some machines have the pot fixed and the board moves around it (typically at an angle like a wavesolder machine), I think Vitronics takes this approach. No tooling is required per se.
Electronics Forum | Thu Jul 10 13:34:43 EDT 2008 | rwyman
We have a Vitronics mySelective machine (model 6749, or "the Fat Bastard" as we affectionately call it). It's configurable with various combinations of "select wave" and "multi wave" pots. Ours has one of each. The "select wave" is for the most pa
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