Electronics Forum | Tue Jun 29 14:45:42 EDT 2010 | smt_guy
Hi, Maybe you guys can share your 2 cents here.... I have 3 lines of SMT Machines and I want my most common parts (components) and cheap parts like 5 cents per part and below)to be warehoused or stored in my manufacturing floor under production con
Electronics Forum | Tue Jun 29 20:50:20 EDT 2010 | davef
For day-to-day production, you're going to need to document that you've: * Pulled an item from floor stock * Returned an item back to floor stock ... not everyone is capable of doing that process. Currently, you have an established in-bound material
Electronics Forum | Wed Jun 30 12:45:59 EDT 2010 | rgduval
Dave hit the hottest issues. But, I would emphasize the cycle counting!! Your inventory will quickly lose control of scrap percentages. That is, you may set your system to, say, 5% scrap....but, your operator and/or machine may lose 10% on a parti
Electronics Forum | Wed Jun 30 12:48:40 EDT 2010 | rgduval
oh, yeah... there's a potential issue with AVL utilization per job; depending on how your system is set up now to handle this. If, say, one internal part number contains multiple vendor part numbers, and your MRP system defines which vendor to use
Electronics Forum | Tue Jul 13 13:37:23 EDT 2010 | pjc
That's cold compared with this specification from a leading oven mfr.: Flow Rate - 1.0 - 3.0 US gal/min (3.79 - 11.4 l/ min) • Inlet size and pressure - 0.5 in. male NPT; 310 - 483 kPA (45 - 70 psi) • Pressure drop - 200 kPa @ 11.4 l/min (30 psi @ 3
Electronics Forum | Tue Jul 06 12:25:54 EDT 2010 | isd_jwendell
I agree, setting a standard for the pcb fab shop is good. I use a fiducial a little smaller than the spec you mentioned, I use 30 instead of 40 mil, which is the minimum recommended for my machine. The rest of the spec (SMEMA Standard 3.1) appears th
Electronics Forum | Tue Jul 06 09:22:52 EDT 2010 | rgduval
Sean, We suggest having the PCB tested for ionic cleanliness. It is conceivable that though the visible flux residue has been cleaned, there is still invisible, yet ionically significant residue in the area of the board/part. We also suggest ensur
Electronics Forum | Tue Jul 06 15:24:38 EDT 2010 | flipit
Hi, I have seen the oscillation frequency change in higher humidity environments. Was doing some data acquisition in a high humitity environment in 1990 using some off the shelf loggers. The data that was collected was incorrect. Found out the cr
Electronics Forum | Fri Jul 09 20:54:58 EDT 2010 | bandjwet
There is no such thing as "IPCA610 compliance". The correct way of looking at this that the boards were inspected to IPC Class I, II or III Revision XX (current Rev is "E") and met all of the criteria. From a commercial standpoint it would greatly
Electronics Forum | Tue Jul 13 13:58:50 EDT 2010 | dcell_1t
time available then you have capacity issues... most of the time downtime is not considered for "ideal" calculation, but is highly recommended to consider it. You have to consider alternatives if your capacity is over 90 % this is where you need to b
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