Electronics Forum: cfm (Page 6286 of 7890)

Connector is falling down in the second reflow

Electronics Forum | Fri Feb 14 12:22:57 EST 2020 | etmpalletguy

OK, you can't glue, Pallet Guys pallets are out the door, dual line reflow prevents from any lower temp solder paste.... Do you have a 3D printer? Are there parts underneath the connector in question? Measure the PCB thickness, pint out a custom hold

QFN welding problem by reflux oven 10 zones

Electronics Forum | Tue Feb 11 11:40:21 EST 2020 | emeto

Sebas, on your profile you have listed U2, U101, U102 and I was wondering if the questioned part is one of them. I attach a typical profile specs - you should follow the one for your paste. In the one you attached the slope is too fast, soak is prob

QFN welding problem by reflux oven 10 zones

Electronics Forum | Tue Feb 11 12:59:06 EST 2020 | astarotf

Hi Steve Thomas Effectively by IPC-610 standard specifies in the "content 8.2.13 Quad Flat Pack Plastic Package - Without Terminals (PQFN), Table 8-13, page 8-84" which depending on the class of manufacture notes 2-5 of the table, which in theory do

QFN welding problem by reflux oven 10 zones

Electronics Forum | Tue Feb 18 20:04:38 EST 2020 | SMTA-Alex

Sebas, some things in your profile don't make sense. 3 of your thermocouples, #1 # 4 and #6 are consistent. The others show completely different data. The consistent thermocouples, also, show peak temp at 241 - 243 degrees. That is extermely high for

What should you ask question before hiring contractor

Electronics Forum | Fri Feb 14 09:03:45 EST 2020 | davef

IPC-1720A: Assembly Qualification Profile Developed by the OEM council of the IPC, IPC-1720A categorizes electronic assembly manufacturer capabilities and supplies the OEM customer with detailed, substantive information. This program simplifies audi

Reason for Connector drop using chuck nozzle

Electronics Forum | Thu Feb 13 03:30:28 EST 2020 | tamasmagyar

Hi Nizar, Pick and Place nozzle, pick-up speed, component symmetry if it has to be rotated while picked up are just some things I would look at. See also if the trays you pick connectors up from, are programmed correctly to the machine. You can al

Reason for Connector drop using chuck nozzle

Electronics Forum | Fri Feb 14 04:46:39 EST 2020 | tamasmagyar

Hi Nizar, Would you consider having maybe separate nozzles for two separate connectors? If they are different in size, you might have a problem there, since the nozzle you use, is only good for the one you get the nozzle for. After that, I assume yo

TpSys Rebooting MMi returned 134 -My Data 12-

Electronics Forum | Tue Feb 18 16:13:04 EST 2020 | bk

Just by looking at your attachment and seeing that error, I would say that you didn't put in the magic word when you reloaded your software or mistyped it if you did. If you don't have your magic word you will need to contact mydata or whoever you bo

TpSys Rebooting MMi returned 134 -My Data 12-

Electronics Forum | Wed Feb 19 12:08:32 EST 2020 | jactomas

Hi, Really thanks for your answer. When I had this first issue, the machine was working correctly, and for some reason started to show this error code. After that, -I reinstalled the TpSys, and I didn´t put the magic word, waiting that my recovery

TpSys Rebooting MMi returned 134 -My Data 12-

Electronics Forum | Mon Mar 09 08:31:32 EDT 2020 | jactomas

Solved!! Finally it was the CPU board, I changed this and has started running perfectly. It is my opinion that the problem coming from GPU of this board, but I will never know this. by the way, I have receive a incredible support from Julio from PFI


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