Category:PCB Assembly SMT Stencil

Group Administrators: 0 | Group Member: 42 | Group Threads: 39

The purpose of an SMT stencil is to transfer solder paste to a bare circuit board. Before the assembly of the SMT components solder paste is printed onto the component pads of the printed circuit board by stencil, which are today usually manufactured from steel, more rarely from nickel or polyimide.

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Stencil Life Identification

Hi, How can the life of the stencil be decided? As the stencil is used continuously the thickness go on decreasing. How are you all deciding the life of stencil? As visually its difficult to dec... (See More)

Abdallaoui Maan
2017-04-17 16:31:39
0 answers
556 views

Invar Stencils

Anyone using Invar Stencils? Do they meet the same level of paste release as chloroformed? (See More)

avonchia
2017-04-17 08:44:44
2 answers
395 views

Stencil Cutters

Hi, we are a low volume high mix contract shop. My boss wants me to investigate getting the necessary equipment to make our own stencils. Would anyone know a good source for this type of equipment? Or... (See More)

mikenaly
2017-04-11 20:06:14
Kermit
2017-04-13 10:34:30
1 answers
429 views

stencil apertures on D Paks

What does everyone use for stencil apertures on D Paks? What's the best way to keep them from floating during reflow? (See More)

Francisco
2017-03-01 04:36:13
Christ
2017-03-03 04:36:13
5 answers
430 views

Store stencil foils in a cheep way

Does anyone have a cheap trick way to store stencil foils? (See More)

don.pincott
2017-03-01 01:02:37
Eric Flores Solis
2017-03-03 01:02:37
4 answers
382 views

Wet or Dry Wipe for under stencil wiping

What is the preferred method of under stencil wiping? (Wet or Dry wipe) (See More)

john brooks
2017-02-28 23:14:43
Sinan Gunay
2017-03-02 23:14:43
4 answers
442 views

Stencil foils delaminating

We are having continual problems with our stencil bindings falling apart in our washer. We use a PMR5000 ultrasonic with Vigon sc2000 cleaning fluid. We cycle them in the washer for about 9 minu... (See More)

juanbrito
2017-02-28 21:44:38
Eugene Shamaev
2017-03-02 21:44:38
2 answers
460 views

Stencil Design

Hello there, I have a new board, fairly heavily populated with a number of FPBGA on it. The smallest has a pitch of .4mm.I have 3 questions, 1st what is the best appeture for this small pitch. 2... (See More)

Cecil
2017-02-28 18:29:42
joffrey.perez.jp
2017-03-02 18:29:42
4 answers
440 views

i am looking for a stencil cleanning machine

i am looking for a stencil cleanning machine. Just only for solder paste residues. Which one is better: air sprayer or ultrasonic? Thanks (See More)

don.pincott
2017-02-28 15:27:36
tomas ageitos
2017-03-02 15:27:36
5 answers
407 views

manufacturer's of stencil storage racks for 29"x29" frames

Could anyone please provide with some names of manufacturer's of stencil storage racks for 29"x29" frames? Any input is appreciated. (See More)

elecway000
2017-02-28 04:21:47
Charlie Laub
2017-03-02 04:21:47
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