Electronics Forum: facing (Page 4 of 67)

Hybrid reflow profiles

Electronics Forum | Sat Oct 01 01:04:47 EDT 2005 | ck

I face a problem where the components termination is non lead free but solder alloy is lead free. Thus i am using hybrid reflow profile. The specs for the reflow profile i am using: reflow temp. 120 to 160 deg C; time 90 to 120 sec. As for the pak te

Assembleon FCM Base II Cermamic - need info.

Electronics Forum | Thu May 31 03:12:18 EDT 2007 | vinitverma

Hi John, You can write to me offline at vinit.verma@prosemtechnology.com and write the exact problem that you face after you have generated the action spec using PPS Pro 8.1. What is the problem that you're facing. The coordinate system is taken ca

PANASERT MviiF Nozzles Breaking Frequently

Electronics Forum | Wed Jul 18 02:19:50 EDT 2007 | vijayanandh

PANASERT MViiF --> PANASERT MSF --> BTU Reflow Currently we're facing massive problems with MViiF(chip shooter) nozzles being damaged and broken. Anyone around who is facing the similar problems? We're looking into the feeders (worn out base/problem

Poor Soldability - CONCRAFT's memory conector

Electronics Forum | Thu Aug 14 16:18:08 EDT 2008 | mbnetto

Hello I'm mounting a notebook board with the memory conector manufactured by CONCRAFT. We are facing some soldability problems with this conector because some ground leads don't solder on the pads. I tried 4 different brand of solder paste, tried to

SMT RF shield Dewetting & Misalignment

Electronics Forum | Fri Jun 03 07:28:14 EDT 2011 | denz34

Hi there, I have questions regarding on SMT RF Shield dewetting & misalignment issue.. Q1) How to identify on good or bad RF shield that could contribute to dewetting? Q2) What counter measure that must be taken when facing dewetting issue? Q3) W

LED (Seven Segment) found with missing segment and dimmer

Electronics Forum | Wed Jul 20 03:10:45 EDT 2011 | umar

I have mount the 8 pcs SEVEN SEGMENT LEDS on the PWB side at SMT Process, after reflow the board test at customer side and facing some issues which is missing segment and also one segment founded dimmers compare to other segment. Data sheet of LEDs

PCB Delamination

Electronics Forum | Thu Aug 04 20:35:33 EDT 2011 | zywong

Hi All, I'm facing a problem is the PCBs are having delamination issue which after SMT reflow process & wave solder process. Dose anybody faced this issue before? The profile setting are correct settings. Some question i wonder: 1) Is that long time

Tons of shorts on Combo process

Electronics Forum | Fri Mar 22 10:33:58 EDT 2013 | mbrett73

Hello guys, I´m pretty new on pcba process and I´m writing to see if you can help me, we have combo process om pcb for UPS boards and we are facing a lot of shorts after wave the boards. We did few tests with different fluxes different profiles chan

face mask for conformal coating operator

Electronics Forum | Mon Sep 30 16:16:17 EDT 2019 | stephendo

We use "Uline N95 Deluxe Industrial Respirator" face masks. We are looking for something better. Our conformal coating machine has an active exhaust pulling fumes out and the door is closed when the machine is running. We have a fume hood with an act

Heller 1707 EXL Blower Fan Speed Control

Electronics Forum | Wed Jul 22 22:19:07 EDT 2020 | kghadiya

Hello Experts, I am using Heller 1707EXL in my shop. From last 2 months I have faced component missing and flying problem. I tried everything to figure out the problem i.e. change solder paste, re-calibrate PnP machine, several oven recipe etc but s


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