Electronics Forum: stencil (Page 125 of 540)

Tooling for printers

Electronics Forum | Thu May 11 01:25:11 EDT 2006 | pavel_murtishev

Good morning, Russ is right. Mounted on frame stencil only may be used in both machines (stencil frame is standard). All other tooling is different. BR, Pavel.

Stencil cleaning

Electronics Forum | Tue May 30 16:32:17 EDT 2006 | slthomas

Your aqueous (spray) and ultrasonic methods refer to cleaning of the stencil for storage between jobs. All others would be most common as in-process cleaning methods, whether with cloth or paper products.

Stencil cleaning

Electronics Forum | Wed Jun 14 20:05:19 EDT 2006 | Mario Berrocal

I would like to know if there is any information regarding how often to clean the stencil by the printer cleaning system. I am running a board with an ultra fine pithc QFP. Is there any guide available? Regards, Mario A. Berrocal

Stencil cleaning

Electronics Forum | Fri Jun 16 07:57:59 EDT 2006 | Bryan

Thanks to all for clarification - I now appreciate the different methodology between "in-line" & "end of run" but am still unclear as to advantages / disadvantages of paper versus non-woven material ie stencil rolls for in-line cleaning. Any info wo

Stencil cleaning

Electronics Forum | Mon Jun 19 21:35:35 EDT 2006 | davef

Ahne [?] You say, "There are almost as many ways to be successful with this as there are ways to do it wrong." What do you believe are the successful and wrong was to go about cleaning stencils after the run is finished (or temporarily interrupted)

0201's on large boards

Electronics Forum | Thu Jun 15 07:20:23 EDT 2006 | William G.

How are your experiences with stencilling 0201 components on large circuit boards, i.e. 400 * 250 mm ? Will there not be too much mismatch between between stencil and (FR4) boards? If so, would dispensing be a solution? Any other solutions?

0201's on large boards

Electronics Forum | Thu Jun 15 07:39:04 EDT 2006 | Chunks

Dependig on your process. If you use the same Gerber data that made the board to make your stencil, by a reutable stencil manufacturer, then no you should not have any mismatch issues.

Stencil cleaners.

Electronics Forum | Tue Jul 25 10:48:48 EDT 2006 | samir

Here is an excellent technical explanation of stencil cleaners and their differences (spray, ultrasonic, chemistry type) that I found in the archives: http://www.smtnet.com//forums/index.cfm?fuseaction=view_thread&CFApp=1&Thread_ID=3026&#Message1232

Stencil cleaners.

Electronics Forum | Wed Jul 26 10:31:37 EDT 2006 | Drew

I enjoyed that little exchange between the presidents! It sounds like the guy from the ultrasonic company is more interested in selling his chemistry versus selling a stencil cleaner. The other guy had a little of the sneaky salesman talk but seeme

Stencil cleaners.

Electronics Forum | Wed Jul 26 12:37:48 EDT 2006 | chrisgriffin

Acually, Dr. Shocker, DaveF is correct. The high power spray can bend the metal between the aperatures on fine pitch parts. I'm sure it's not common, but I have seen this happen. I have not, however, stood on any stencils. Sounds like fun.


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