Electronics Forum: isothermal and cycling (Page 1 of 8)

Siemens HS50 and F5 and S25

Electronics Forum | Mon Nov 27 16:31:07 EST 2000 | Chris Jackson

I am evaluating several pieces of Siemens equipment and would like to get some input from industry users. I am seeing that Siemens is able to meet cycle time estimates and thus throughput. I am concerned about the robustness?? Any input is welcome. T

trough-put and cycle times

Electronics Forum | Sun Apr 07 18:21:08 EDT 2002 | murt

Hi I am a collage student and I was wondering if anyone could explain to me how you would estimate the trough-put, product and cycle time for a double-sided mixed technology pcb assembly. I would be grateful for any information Thanks Martin.

wave pallets and titanium

Electronics Forum | Tue Sep 11 12:56:03 EDT 2007 | jsloot

Can anyone give me any information on the longivity of titanium insert wave pallets. What I am looking for is the integrity of thin walls over several hundred cycles and the interface between the insert and the durostone material.

0402's and Gluing.............

Electronics Forum | Thu Feb 10 09:01:40 EST 2005 | russ

I have done that also, It does work well. One issue we had was that the mask didn't come right off during the first wash cycle since it was put on much heavier than the mfgr suggested (.01"). We had to soak them in some water first to soften it up

High-end SPI and AOI?

Electronics Forum | Tue Jan 12 21:24:13 EST 2010 | graceytiu07

We have a Viscom SPI S3054QS. Yup, the machine offers a quite good speed. My board dimension is 150 by 250mm. The cycle time is only about 24 sec. The analyze time is only about 10sec. You can make your loading faster, if that's what you needed. I ha

PCB Thickness and BLR

Electronics Forum | Mon Jun 03 13:26:32 EDT 2019 | az2019

Hi, I have a general question about the relationship of PCB thickness and BLR testing result. For example, I have QFN6x6 parts mounted on board in 1.2mm, 1.6mm, and 2.4mm thickness. All boards have 6 layers of Cu. Studies show thicker board gives les

trough-put and cycle times

Electronics Forum | Mon Apr 08 20:43:58 EDT 2002 | davef

Regardless of the design technology of the board, we use shop floor management software that: * Calculates the period that it takes to assemble a job. Obviously, we enter product-manufacturing information [ie, BOM, material receipt dates, process fl

MPM Up2000 and SMEMA

Electronics Forum | Tue Sep 13 07:00:28 EDT 2016 | awhite

Thanks for the reply. When you hit start on the printer, you can see it send the "start cycle (SMEMA)" signal, and it immediately goes to "awaiting board from upstream." This tells me that the printer knows a signal has definitely been sent and rece

Inventory control and maintenance

Electronics Forum | Thu Feb 26 14:47:19 EST 2015 | superlen

unique mnf/mnf part number. - Be meticulous on maintaining your WO Boms. Train your employees to not circumnavigate keeping the WOBOM accurate to what they kitted/placed on the board. If you keep the one to one part number relationship above this is

Geometric Dimensioning and Tolerancing

Electronics Forum | Sat Jun 06 09:53:59 EDT 1998 | Earl Moon

GEOMETRIC DIMENSIONING AND TOLERANCING (GDT) Using and applying GDT to printed circuitry and assemblies is very much like applying it to any other design for manufacturing (DFM) or design for assembly (DFA) requirement using concurrent engineering (C

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