Electronics Forum: contact pad not working (Page 1 of 11)

contact pick and place table not homing

Electronics Forum | Thu Aug 17 13:55:45 EDT 2023 | markhoch

I think we need more information. Is it moving at all? Does it move to a reference position and then stop before returning to the home position? Have you verified that all sensors are working correctly? Does the machine use stepper motors, motors & e

Printing off contact

Electronics Forum | Fri Feb 09 07:51:09 EST 2007 | jax

If the attack was unwarranted I apologize. I still stick to my answer. Unless the board shop can get rid of it you have to find a way to deal with it. Etching trace paths into the stencils is inexpensive and works just fine. If you do not have the ti

SAC305 preforms not wetting to ENIG pad in fluxless process

Electronics Forum | Tue Apr 13 11:41:18 EDT 2021 | jeremy_leaf

I have a SAC305 preform with which I am attempting to bond a gold coated component to an ENIG coated PCB pad. I've specified 2 microinches of gold for the ENIG. It worked previously but now with a new batch of boards, I am having an issue where the p

Bga pad remaning solder

Electronics Forum | Mon Aug 23 16:37:22 EDT 2004 | Terry

Three methods, all work, all require generous use of flux. 1.) Use a heated, electrical desoldering tool with flux. Just be sure that you select a forgiving desoldering tip with a rounded tip end to it so that you do not scratch the pad. Advantage:

Re: need info on non contact adhesive dispensing

Electronics Forum | Tue Sep 22 20:08:58 EDT 1998 | Dave Brand

Rick: I'd be happy to give you information on the system benefits and limitations. I work for Asymtek so please email me back so we can talk off-line. Thanks. -Dave Brand | | | Have mixed technology board and am interested to hear any info on the No

Re: need info on non contact adhesive dispensing

Electronics Forum | Sat Apr 18 10:29:47 EDT 1998 | Steve Gregory

| Have mixed technology board and am interested to hear any info on the Nordson non-contact adhesive dispenser. | I woud appriciate any feedback I could get. I am currently using a contact system and am tired of breaking needles and need a way to spe

Solder not reflowing properly

Electronics Forum | Mon Aug 25 15:40:58 EDT 2008 | dyoungquist

I am seeing poor quality solder joints, mostly on 0402 components. The problem is that while the pad on the pcb is getting fully wetted, the solder is not flowing up the sides of the 0402 component, i.e. the 0402 lead is somewhat de-wetting. The re

Solder not reflowing properly

Electronics Forum | Mon Dec 15 15:34:17 EST 2008 | dyoungquist

Sorry it has taken me so long to respond. I got pulled off onto other projects and was not able to work on the solution to the problen until recently. The solution we have come up with is to change from no-clean flux based solder paste to water sol

not good soldering

Electronics Forum | Wed Aug 29 12:12:14 EDT 2018 | solderingpro

What type of flux are you using today? - Obviously you have already outlined the difference in the parent materials and parent material preparation, so using the same program/profile will not work; the characteristics are different. Try increasing p

MPM Accuflex Camera not initializing

Electronics Forum | Tue Mar 02 04:30:32 EST 2010 | sigmaprint

Hi. It sounds like you may have the problem under control as you have ordered parts but if it still doesn't work please don't hesitate to contact us at sales@accuspares.com or visit our website http://www.accuspares.com. We should be able to help....

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