Electronics Forum: stencil (Page 106 of 540)

MPM AP25, separation problems

Electronics Forum | Wed Nov 02 01:53:41 EST 2005 | pavel_murtishev

Hello, Thank you for answer. We are using second hand machine. What do you mean saying that �stencil is not height on all 4 corners�? Does it have some inclination between corners? I mean that three corners of stencil are matching with PCB fine and

MPM AP25, separation problems

Electronics Forum | Wed Nov 02 08:16:31 EST 2005 | pavel_murtishev

Hi! It goes away only for one or two print strokes. After them the problem arises again. After first print stroke I inspect a lot of �dog ears� and a lot of paste not released from the stencil (it�s not a stencil design problem, other machine prints

Microscreen stencils

Electronics Forum | Tue Nov 29 12:53:56 EST 2005 | bschreiber

Hello Billy, You are correct when you say that you may want to look at the detergent (chemistry) you're adding to the stencil wash. However, "geared for epoxy removal" depends on how the chemistry is designed to remove the epoxy. If it is a "water

Fine Pitch Stencil Design

Electronics Forum | Wed Dec 14 08:06:07 EST 2005 | tk380514

Also we have just made a prototype for Wave soldered SMT components D-packs + 0603 + TSSOP�s on the bottom side with THT comp. on the top, the stencil manufacturer gave his personal library of glue stencil openings and adviced on stencil thickness wh

Stencil and board Ultrasonic cleaner

Electronics Forum | Wed Feb 01 12:57:51 EST 2006 | wheels_in_the_well

There are several makes of stencil cleaning equipment. The previous post mentioned, Aqueous Tech (www.aqueoustech.com). Others of long standing high reputation are EMC Global (www.emcgti.com), Austin American Technology (www.aat-corp.com), and Tech

stepped stencils

Electronics Forum | Fri Feb 24 08:29:25 EST 2006 | davef

Step stencils are not widely used, due to: * Higher cost as compared to uniform thickness stencils * Danger of solder paste smearing at least close to the steps * Difficulty of cleaning the stepped stencil underside (the steps cannot be on the upper

Stencil thickness

Electronics Forum | Thu Mar 02 18:24:57 EST 2006 | stepheniii

NC or WS?

Stencil cleaners.

Electronics Forum | Mon Sep 18 09:45:10 EDT 2006 | slthomas

Speaking of tools... V

Stencil Cleaner

Electronics Forum | Mon Aug 14 09:16:21 EDT 2006 | aj

Exactly !

Streaking at Screen Printing

Electronics Forum | Tue Dec 19 11:58:27 EST 2006 | realchunks

Oh sh*t, we have the same "problem". But it's not really a problem. Depending on how thick your stencil is, and at what speed you run your squeegee blades at, you will get this deflection of the stencil. Age of the stencil is also a factor. You c

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