Electronics Forum: a.7 (Page 1 of 9)

Need help for setting up an assembly line

Electronics Forum | Wed Jun 21 13:51:36 EDT 2006 | chrisgriffin

I would go with a 7-zone oven. A 5-zone oven would get you by, but for a little more you could get a 7-zone that will handle a more challenging reflow process as will as more volume.

Re: Tombstoning

Electronics Forum | Thu Dec 16 22:59:18 EST 1999 | Lloyd Nelson

Depending on the part say a cc1206 capacitor try a 7 degree theta rotation.

reflo oven settings

Electronics Forum | Sun Mar 19 12:11:09 EST 2006 | Cal Kolokoy

Larry, 180 Deg. C (?) to start the profile seems a tad on the high side for a 7-zone oven. You risk too high of a ramp rate and solder beading. At 7 zones, there's no reason to get too hot that fast.

Indium NC-SMQ92J paste problems

Electronics Forum | Wed Apr 28 09:15:15 EDT 2004 | smtpro

Yes we are using a 7 zone and a ramp to spike. How do you handle your solder paste and what printing methods do you use?

bga warp

Electronics Forum | Wed Sep 11 13:20:37 EDT 2002 | stepheno

I've seen this problem caused by the cool down. On a 7 zone oven I made a profile to peak at zone 5 to give some semblance of control to the cool down. The component can develope a big delta T, because of the difference of materials

Off topic warning

Electronics Forum | Wed Feb 28 15:27:48 EST 2001 | slthomas

Anybody ever see what happens to a wave solder machine in a 7.0 quake? Can you say tsunami? What a mess.

Lead free profile

Electronics Forum | Tue Feb 01 12:43:39 EST 2005 | jbrower

Hi Scott, My Heller is a bog standard Heller 1500 with an edge guide. There is nothing special about it. I would of course love to have a 7 zone oven, but...I have to use what is here at this time. My only concern with a 5 zone oven is the change i

Anybody can tell me log in password for Vitronic smr800

Electronics Forum | Fri Mar 30 16:50:28 EST 2001 | DaveJ

Billy, We have a 7 year old Vitronics SMR-800N. Try "user". If not, call or e-mail Jay Denuzzia at Vitronics-Soltec (jdenuzzia@us.vitronics-soltec.com).

Low cost Kapton labels

Electronics Forum | Sat Jan 17 09:12:51 EST 2004 | Tom B.

Look at Brady Labels http://www.bradyid.com/brady/htpdv1r0.nsf/ISDWebIndex/79CD8A7D08591909862569F40059FD70 Tom

Solder paste volume require.

Electronics Forum | Tue Jun 06 17:00:36 EDT 2006 | pjc

Be carefull of the effect on other components with a 7mil stencil, like fine-pitch devices will bridge more, excess solder.

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