Electronics Forum | Wed Mar 21 01:03:44 EDT 2007 | kero
Pls advise me how to calculation of smt cost / shot, key performance point of smt production.
Electronics Forum | Sat Mar 24 04:56:03 EDT 2007 | shrikant borkr
May be helful to you http://www.smtyield.com/servlet/CostOfOwnership
Electronics Forum | Fri Mar 23 07:34:11 EDT 2007 | davef
Cost per placement = [Equipment cost/5 years/components placed per year] + [Working capital/ components placed per year] + [Expenses/components placed per year]
Electronics Forum | Tue Jun 26 12:39:08 EDT 2001 | danial
Our mother company shipped to us a lot of old datecode material and upon running them in the line we experienced non-wetting condition, esplly on the 0402 ( not tombstone ) We have run a dip-and-look test but I guess the method is very subjective as
Electronics Forum | Tue Jun 26 19:59:08 EDT 2001 | davef
They always tell you to calculate ROI, when they want to blow you off. Do a net search using - calculate ROI. Links to three pretty good descriptions on this are: http://www.dmreview.com/editorial/dmreview/print_action.cfm?EdID=2487 http://www.eval
Electronics Forum | Fri Jun 29 05:50:27 EDT 2001 | nifhail
Thank Dave, your information was really helpful. Now that I have another few thousands of old datecode PCBs which has an Entek and HASL finished. Entek PCBs are about 6 � 1.5 years old and HASL boards are at 1 - 2 years old. To make it worse, s
Electronics Forum | Fri Feb 03 18:57:39 EST 2006 | bayanbaru
I am task to make productivity improvement for production. The line configuration is as follow: MPM Printer/S20/S20/S20/S20/GSM/GSM/MVT/BTU How to calculate the capacity of the above configuration? What factors do I need to consider?
Electronics Forum | Mon Feb 06 04:18:03 EST 2006 | Rob
Get a stopwatch & time your functions to see which is the slowest. I am guessing it's going to be the oven, printer (if using paste inspection) or the AOI. If you are talking the average or optimum speed in CPH, that would depend on the type of b
Electronics Forum | Mon Jul 06 18:00:16 EDT 2015 | jwqc
Does any one know how to calculate BGA height change after reflow oven? I guess the calculation will be based on the component size, weight, ball diameter and ball count of the BGA, but how to get the actual height?
Electronics Forum | Tue Jul 07 10:25:03 EDT 2015 | swag
Dial indicator on a post/base. You might need a fine point tip to get between adjascent components and the BGA. Or... if you're real fance schmancy you could use a CMM if you have one.
.gif)
