Electronics Forum: mechanical (Page 1 of 129)

mechanical pelletizer

Electronics Forum | Tue May 24 18:00:42 EDT 2005 | davef

Pellet Fuels Institute; 1601 N. Kent Street, Suite 1001, Arlington, VA 22209; 703-522-6778 Fax 703-522-0548 pfimail@pelletheat.org http://www.pelletheat.org Pellet Fuels Institute represents the fuel preparation and clean burning technology of

Underfilled CSP mechanical test

Electronics Forum | Thu Jun 15 05:08:52 EDT 2000 | Frank

Hi, all, does anyone know what mechanical test regime is used to qualify underfills for CSP use.

SMT mechanical locating components?

Electronics Forum | Fri Sep 02 16:22:37 EDT 2011 | ttaubert

Are there SMT mechanical components like that could be used for orientating PCB-level optics on the board and do not require holes in the board? Their final position would solely depend on the reflow. A height of 1/8" would be sufficient. I was con

Help CSM84 mechanical alignment

Electronics Forum | Fri May 04 19:23:28 EDT 2007 | darby

System > Machine Config > Mechanical OP > Head 3 Spec = Vision. Data In > System > Machine Config > Mechanical OP > M Centering 1 = Yes If your Centering unit is a two stage unit then also set M Centering 2 = Yes You should then be able to roughly

Delmat mechanical properties

Electronics Forum | Fri Jun 02 15:53:51 EDT 2000 | James Burrell

I'm considering using Delmat, or some equivalent material, as a stiffener for rather large pcb, but I don't know the material properties. Specifically I'm interested in: Young's Modulus, E Poisson Ratio, nu Density, rho Strength, Thanks, Jim

Re: Delmat mechanical properties

Electronics Forum | Fri Jun 02 17:43:17 EDT 2000 | Dave F

James: I believe Delmat is a proprietary product. Check with some of the solder fixture fabricators in the archives. Continuing, I would not select knowingly Delmat as a board stiffener. It's a composite material similar to oriented strand board

Help CSM84 mechanical alignment

Electronics Forum | Thu May 03 22:51:14 EDT 2007 | jmelson

I am still learning the CSM84, but have gotten one board programmed and working. Now, I'm doing the next board, and need to use the mechanical alignment unit for a 22 x 22 mm TQFP. This chip is too large to clear the jaws on any head. Can the CSM h

Help CSM84 mechanical alignment

Electronics Forum | Fri May 04 02:32:10 EDT 2007 | jmelson

Thanks! Well, the procedure in the book says to first calibrate the mech aligner with the beam sensor, but that exceeds the X travel. I guess you can just eyeball it off the nozzles and then use trial and error. While poking around on the machine

Help CSM84 mechanical alignment

Electronics Forum | Fri May 04 01:34:07 EDT 2007 | dsd

Your Head 1&2 have Chucks, is Head 3 a Chuckless Head? The Chuckless Head or Precision Head is the intended Head for use with the Centering Station only. Using Head 1 & 2 is not good as there is too much nozzle play. In your Machine Configuration is

Help CSM84 mechanical alignment

Electronics Forum | Mon May 07 15:03:06 EDT 2007 | jmelson

Yes, I took the chuck off head 3, and made my own nozzle, which is working quite well. I can't set head 3 to vision, as this machine doesn't have the vision system. I set it to "IC" and that seems to work fine. I set mech alignment 1 and 2 to yes,

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