Electronics Forum | Tue Jan 24 21:15:07 EST 2017 | david_chiu
I have met the same issue before. 1st possible root cause: The dimensions of reel's each chip inserting hole are a little bigger. You need to see if the turn over issue are all happened in the same vendor's reel material. 2nd possible root cause: The
Electronics Forum | Thu Feb 09 10:13:37 EST 2017 | swag
Agreed. We machine all our pallets in coolant. No dust but a big mess still results in the bottom of the CNC. You'll burn through a thousand cutters if you try it on a router table. Just doesn't seem feasible. You'd have to take like 0.020" dept
Electronics Forum | Thu Jun 15 06:58:54 EDT 2017 | cyber_wolf
Hmmm.... When I clean my stencils after I run a job, it is to clean the paste off the stencil so it doesn't dry out in the apertures and on the stencil surface while it is being stored. Wiping the stencils during production is to clear the paste of
Electronics Forum | Wed Sep 20 16:15:53 EDT 2017 | davef
Some requirements to consider are: * Humidity and temperature controlled according to J-STD-001 * Electro-static discharge (ESD) control program according to ANSI/ESD-S-20.20. * Soldering technicians are trained and certified according to J-STD-0
Electronics Forum | Wed Feb 14 22:51:42 EST 2018 | leadthree
How you pack & ship your board level assemblies? I mean assembled PCB modules without housing etc. We often have small assemblies (cigarette box size) in the $5-15 range. We put them the (dreadful) red bubble bags and then on carton trays with carto
Electronics Forum | Mon Mar 26 16:58:53 EDT 2018 | solderingpro
Is there anything stopping you from replacing the flat belt solution to a continuous running steel roller chain conveyor? - From there (depending upon board temperature) you should be able to buffer your boards in a vertical buffer station if neede
Electronics Forum | Mon Feb 04 17:47:20 EST 2019 | arbpkevin
When I power up the machine and it finishes booting into VIOS, I normally hit the ready button to power up the drives so I can perform the origin search. Instead of "latching on" the contactors pull in, and then quickly release. If you hold down th
Electronics Forum | Thu Mar 28 13:19:14 EDT 2019 | davef
There is no industry standard for BTC stand-off height. "IPC-7093A Design and Assembly Process Implementation for Bottom Termination SMT (BTC) Components" just finished "Final Draft for Industry Review" in December 2018. It mentions stand-off height
Electronics Forum | Thu Jul 25 16:20:59 EDT 2019 | bobpan
Top red led is on or off depending on version of tep board. The green leds light when the transport sensor that it communitcates with is seeing a board over it. Tep controller init failure can be one of the following. 1. Check reseat tep card and
Electronics Forum | Tue Nov 05 10:55:41 EST 2019 | engmagana
Hi Ameen, Did you fix it? I had the exact same problem with the same type of coil , check the images , LF solder SAC305, we have adjusted the solder apertures to the minimum solder required to have a strong joint enough to break the pad from the bo
