Electronics Forum: calculations (Page 26 of 87)

Cpk for solder paste height

Electronics Forum | Thu Apr 12 13:21:59 EDT 2018 | emeto

Hello fellow experts! Does anyone have a SPI machine that can calculate Cpk for the solder paste height across the PCB or for selected locations? Any feedback will be appreciated.

SMT Stencil design

Electronics Forum | Thu Mar 19 11:44:03 EDT 2020 | svajunasastrauskas

Hello, can someone share good practise how to calculate how many percent solder paste can be applied on solder mask for better solderability (by increasing stencil aperture). In eg, aperture is increased 30 percent, could it be more? Where find this

Calculate cycle time for Flying Probe

Electronics Forum | Mon Mar 30 01:53:15 EDT 2020 | franknguyen

Hi, I have 2k test points need to test by Flying Probe. How can I assume the test cycle time for this? (I use Takaya Flying Probe)

Calculate cycle time for Flying Probe

Electronics Forum | Mon Mar 30 04:14:00 EDT 2020 | tbora

I am not sure, but maybe you can see from the monitor of the machine. Doesn't it give to you cycle time ?

pin in paste and hole diameter

Electronics Forum | Sun Mar 28 18:49:36 EDT 2021 | mekmat544

Hello, I would like to ask you if there is some formula how to calculate PTH hole and annual ring for pin in paste technology? Thank you. Mekmat.

How Solder paste Volume/Area is calculated for my product.

Electronics Forum | Sat May 29 06:07:16 EDT 2021 | rsatmech

Thanks, I do observed more solder paste terms of percentage in 0.06mm stencil than in 0.08mm stencil.

Alternatives to CircuitCam

Electronics Forum | Wed Jan 04 14:41:01 EST 2023 | proceng1

Seems too vast. I am not looking to reinvent the whole ecosystem. If I was, I'd migrate to Factory Logix. I don't need a system that imports gerbers while doing my taxes and trying to calculate the jump to warp travel.

AOI FALSE CALL PPM

Electronics Forum | Sat Sep 14 11:01:48 EDT 2024 | pradeep14

Hi all, Please let me know, AOI false call ppm are calculating by number of parts or number of windows used in the program. Thanks in advance

Re: Cost per placement measure

Electronics Forum | Wed Oct 13 03:38:21 EDT 1999 | Paul Gerits

Hi Morris, I work as a technical consultant, application specialist for Philips EMT (SMT machine suplier). For cost per placement complex calculation can be made. To make a easy one just to hav an idea you can use following. Information needed: Pr

Re: footprint formula

Electronics Forum | Fri Mar 03 10:07:15 EST 2000 | Wolfgang Busko

Hi Jacqueline, - what a name in this technical world - I just tried the calculator and for example choose the CQFP and then selected other and an input mask appeared where you have to fill in the required data from the components datasheet. I have to


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