Electronics Forum: stencil life span (Page 1 of 27)

Stencil foil life span

Electronics Forum | Thu Jan 09 04:48:52 EST 2020 | SMTA-Davandran

Anybody has data for stencil foil life span?

Stencil foil life span

Electronics Forum | Wed Jan 15 03:02:10 EST 2020 | SMTA-Davandran

At least there are method on detection of stencil replacement before it really fail which can safe line down.

Stencil foil life span

Electronics Forum | Thu Jan 09 15:06:45 EST 2020 | emeto

From what I have seen it will be based on thickness, material and usage. Sometimes will be product dependent if the you have a marginal process. We used to change stencils every 2-3weeks for a high runner. Other than that follow Sr.Tech's advice.

Stencil foil life span

Electronics Forum | Fri Jan 10 08:11:06 EST 2020 | robl

We changed monthly on lines where we were doing 1500 print cycles+ per day, but on low runners we could use a stencil for 10 years+. As previously mentioned it depends on how you treat it.

Stencil foil life span

Electronics Forum | Thu Jan 09 17:28:07 EST 2020 | dwl

2-3 weeks? wow! I've had stencils last over a decade and only needed replacing because the adhesive holding the mesh dry rotted and crumbled. Of course build volumes were in the order of 50-100 per year. Just goes to show there is no easy answer f

Stencil foil life span

Electronics Forum | Thu Jan 09 18:26:21 EST 2020 | spoiltforchoice

Much like DWL we have multiple stencils that are really quite old (~2003 and still in use) and are perfectly OK. In fact I don't think we've ever worn one out, higher volume designs are far more likely to get a layout change before the stencil gets

Stencil foil life span

Electronics Forum | Fri Jan 10 13:21:34 EST 2020 | emeto

Yes, think of 3prints/minute 24 hours. This is about 4000 prints a day. than you have a marginal process, because customer locked design and doesn't want to change anything. So in our case for 70k-100k prints and we had to change them as the perform

Stencil foil life span

Electronics Forum | Sat Jan 11 09:56:15 EST 2020 | jakapratama

There's a lot of parameters to consider in defining stencil life cycle. Average squeegee pressure used, in-process cleaning frequency (auto and manual), physical appearance over time, tension reading over time, and so on to decide how many print cycl

Stencil foil life span

Electronics Forum | Thu Jan 09 11:15:12 EST 2020 | cyber_wolf

Stencil lifespan depends on several factors such as squeegee type, squeegee pressure, handling,and foil thickness to name a few. There is no magic number. The best judge is your SPI machine if you have one. We typically start thinking about replacem

Paste life span on the printer

Electronics Forum | Wed Mar 14 02:04:40 EST 2001 | pjc

zam, each paste mfg. has different "stencil life" times. check w/ your paste mfg's specification for stencil life. also, temp and humidity inside the printer's chamber effects "stencil life" time. we keep ours around 20C @ 50% RH. higher temps and l

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