Electronics Forum: timely (Page 1 of 1077)

Mydata Management Explanations

Electronics Forum | Fri Sep 09 05:42:43 EDT 2016 | jasltd

Hi folks, I'm looking for definitions on the categories from the Management reporting from MYData's (running My9 & MY19 machines TPSYS 2.4) I'd like to understand what the machine classifies into the following: Up time Active Time Run Time I"m buil

Tact Time Estimates

Electronics Forum | Mon Mar 10 10:17:15 EST 2003 | gregp

Tact time as defined by the IPC 9850 standard is "the average time required to place a single component while maintaining the specified placement process capability. Excludes transfer time, fiducial time and nozzle change time." Sounds like what you

How SMT Line Change over is measured?

Electronics Forum | Tue Feb 26 08:52:35 EST 2013 | stephendo

Do you also measure job run time? IF you don't I"m sure if the change over time is measured but not the run time then the run time will go up almost as much as the change over time goes down.

Calculating Reflow Slope

Electronics Forum | Tue Oct 05 20:07:12 EDT 2004 | davef

We do not know how your KIC2000 calculates slope. Here's an approach to calculating slope: * Subtract the lower temperature from the upper temperature. [Temp|upper-Temp|lower] = Temp|change * Subtract the time when the lower temperature was measured

Reflow Profiling

Electronics Forum | Tue Jul 30 10:44:20 EDT 2019 | vchauhan

Can anyone please share a document which details about the soldering defects if you have less or the excessive preheat time, soak time, peak temperature, time above liquidous (TAL)and cooling time. Appreciate your help in advance.

Ionic Cleanliness testing

Electronics Forum | Tue Apr 03 17:13:33 EDT 2007 | kmorris

Just wanted to do a poll to see how others are determining their test time for Ionic testing. Test Method IPC-TM-650 number 2.3.25, section 5.3.3, says "The test time should be in accordance with the monitoring plan criteria (set time or auto-shutof

Tact Time Estimates

Electronics Forum | Mon Mar 10 10:28:23 EST 2003 | pjc

Tact times published by placement equipment suppliers usually do not account for board load/unload. Placement time standards set for your boards must include load/unload time. I measure from first fiducial read on board 1 to first fiducial read on bo

How long can you leave paste - update

Electronics Forum | Tue Apr 03 05:46:35 EDT 2007 | chrissieneale

OK - going to set up some measurements so we can see how big this problem is. I've got the following so far... Number of boards pasted per employee per shift Number of hand placed parts per employee per shift Number of people per shift Time pasting

PCBA Time Estimation Formula

Electronics Forum | Wed Feb 19 12:47:15 EST 2020 | emeto

Grandpa, You got it - Identifying the bottleneck operation is the key. The secret is to design a tool can predict accurately where this bottleneck is. In your formula you can use machine process time, PCB transportation time, part trim time, part in

Does Anybody Know What Time It Is?

Electronics Forum | Wed Mar 28 17:25:58 EST 2001 | davef

Just got off the phone after bustin' my brother-in-law about the article in USA Today about all the goofy time zones in the US state of Indiana. Then I saw: * SMTnet Forum time is about a half hour late * SMTnet time on this message I'm posting on

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