Electronics Forum: smt (Page 383 of 925)

How SMT Line Change over is measured?

Electronics Forum | Tue Feb 26 11:19:31 EST 2013 | anton99

Stephen, That's true and I am going to include the reflow time in our changeovers. That way if its taking to long to change the oven temperature it will show up in our metrics. I agree, if we miss a step in the changeover process our metrics will be

What is the best Low Volume Reflow System

Electronics Forum | Thu Feb 07 18:21:17 EST 2013 | isd_jwendell

How about the Mistral 260 http://www.technoprint-smt.nl/products-reflow-quarts-ovens-overview-mistral-260.html

Moisture Sensitive Material in Production

Electronics Forum | Mon Mar 04 12:31:16 EST 2013 | mmjm_1099

I was wondering if anyone could suggest something to place at my three SMT lines to store any open MSL material while they are running in production. Has anyone made any homemade cabinets? I was referring to Desiccator Cabinets in the google search

SMT of Flex circuits

Electronics Forum | Wed Mar 20 07:16:03 EDT 2013 | vinitverma

I have customers populating LEDs on flex PCBs (with Aluminum support plates) with sizes up to 1,200mm (say 4ft) even on old Philips/Assembleon Topaz machines. What components are you planning to assemble on your flex PCBs?

SMT Line question

Electronics Forum | Wed Mar 20 17:45:55 EDT 2013 | garym4569

I need to know if anyone has had a surface mount assembly line in a building within 25 feet from train tracks? If so, any problems with the vibration as a train passes?

SMT Line question

Electronics Forum | Tue Mar 26 10:24:39 EDT 2013 | stephendo

I worked for a company where the machines were put on high durometer vibration dampeners. Ok ok, the machines were put on hockey pucks.

Component placement

Electronics Forum | Sat Mar 23 23:07:02 EDT 2013 | dhanish

I have a question on component placement 1)for solder paste ,do we need to press the component into solder paste during placement process? 2)how we define force for Smt component..sometimes we add force for certain BGA?any guideline? Pls advise

QFN PCB Pad no Drain Hole

Electronics Forum | Fri May 17 14:56:21 EDT 2013 | davef

There's not supposed to be any effin 'drain hole.' Where's you get that from? Read this: http://blogs.smtnet.com/smt/other/qfn-btc-design-guidelines-thermal-pads-etc/ BR davef

Programming Software

Electronics Forum | Sat Jun 08 04:48:39 EDT 2013 | jlawson

Also Valor MSS Process Preparation from mentor is a option Has the most complete solution on market, covers what CircuitCam does but can offer more options as you need, auto-generation of SMT parts for programming machines, DFT Probing, Stencil Optim

Selective Assembly

Electronics Forum | Mon Jun 10 13:41:01 EDT 2013 | pankajp

thanks. 1. yes, i understand this requires SMT assembly. 2. For bigger components (USB and phone jack), how can these be placed automatically on PCB? The manual process will be slow.


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