Electronics Forum: stencil (Page 56 of 540)

Minimum tension to be maintained in SMT stencil - Any Standards

Electronics Forum | Wed Mar 04 02:51:48 EST 2020 | SMTA-Davandran

I got question on is there any variance for thickness of stencil with respect to stencil tension. Is ther any guideline for it.

Minimum tension to be maintained in SMT stencil - Any Standards

Electronics Forum | Thu Mar 05 02:48:24 EST 2020 | majdi4

The tension depends on the thickness of the stencil. Exp: stencil of 100µm => tension must be higher than 33N

omit stencil apertures to hand solder or paste, reflow then solder.

Electronics Forum | Tue Feb 25 10:30:02 EST 2020 | richardcargill

If you get the stencil made with all apertures included then you can blank some off with sellotape. Saves you buying 2 stencils should you require them machine fitted in the future

omit stencil apertures to hand solder or paste, reflow then solder.

Electronics Forum | Tue Feb 25 11:56:33 EST 2020 | slthomas

I think I'd opt for a stencil with everything already cut and then tape it if that didn't screw up your stencil gasketing. Then you just have to define the process for adding the optional parts and you can decide to use those apertures or not.

Paste accumulation on the squeegee side with a 15mils to 5mils Step stencil

Electronics Forum | Mon Aug 12 21:54:33 EDT 2019 | davef

I've never seen successful printing with a step as deep as you seem to be saying. The keep out would have to be jigundous!!!! SMTnet Technical Library: https://smtnet.com/library/files/upload/Step-Stencils-laserjob.pdf I'd guess * Maximum step

The best solder paste height with screen priting on 6mil stencil

Electronics Forum | Wed Sep 07 03:03:35 EDT 2005 | Milroy

I am engaged with SMT production and we are going to have a brand new SMT line and I am studing about the screen printing and I have seen most commonly used stencil thickness is 6mil and I need to know what is the best solder paste height we can achi

Look what I found - is this stencil printer a known product?

Electronics Forum | Mon Oct 23 14:10:35 EDT 2006 | realchunks

No doubt. Now they post and wait an hour and then advertise. Everyone should answer "We had one of their stencil printers and it was the worst."

Paste accumulation on the squeegee side with a 15mils to 5mils Step stencil

Electronics Forum | Mon Aug 19 13:47:45 EDT 2019 | emeto

Forget about a stencil here. The only solution I have for you is to dispense this paste. There are some super cool Jet printers out there that will do the job.

omit stencil apertures to hand solder or paste, reflow then solder.

Electronics Forum | Tue Feb 25 18:36:03 EST 2020 | emeto

Flat surface is the number one choice for fresh part soldering. We did not discuss details about resistor size and location, but to keep them flat I will suggest no apertures on the stencil.

Minimum tension to be maintained in SMT stencil - Any Standards

Electronics Forum | Fri May 29 05:43:05 EDT 2020 | ameenullakhan

Hi Team, what we have observed is that tension basically at the center of the stencil is less . And it directly depends on the number of aperture opening we have . More the opening less the tension. But there is no supporting document for the same


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