Full Site - : how long can you leave solder paste? (Page 7 of 35)

How long can you leave paste - update

Electronics Forum | Mon Apr 02 10:09:15 EDT 2007 | chrissieneale

Hand on heart nothing that will kill anyone. :) Promise.

How long can you leave paste - update

Electronics Forum | Tue Apr 03 05:46:35 EDT 2007 | chrissieneale

OK - going to set up some measurements so we can see how big this problem is. I've got the following so far... Number of boards pasted per employee per shift Number of hand placed parts per employee per shift Number of people per shift Time pasting

How long can you leave paste - update

Electronics Forum | Mon Apr 02 09:42:51 EDT 2007 | chrissieneale

Quick question for anyone - With this whole pasting and waiting thing - i've found out that the board is pasted, it sits around for a bit, then the components get placed on it. Then i thought it went into the oven BUT, it doesn't. It sits for a few

How long can you leave paste - update

Electronics Forum | Tue Apr 03 03:31:51 EDT 2007 | chrissieneale

Apparently because the machines are old and prone to break down they do all the printing for the day (maybe 6/7 different board types) up front. This doesn't make any sense to me - if the machine is going to break down, the machine is going to brea

How long can you leave paste - update

Electronics Forum | Mon Apr 02 10:48:18 EDT 2007 | chrissieneale

Change operator to OPERATORS (there's 3 per shift, 2 shifts) and then you can join me in confused bubble...

How long can you leave paste - update

Electronics Forum | Mon Apr 02 10:05:09 EDT 2007 | stepheniii

Please tell us you are not making any function critical items like pace makers or aircraft navigation equipment.

How long can you leave paste - update

Electronics Forum | Mon Apr 02 12:04:23 EDT 2007 | realchunks

Are you running different baords/product at the same time? Why are they buffering boards after screen print?

How long can you leave paste - update

Electronics Forum | Mon Apr 02 10:37:25 EDT 2007 | chrissieneale

I totally agree, if there is a bottleneck in the process anywhere then i think it's got to be hand fit, so that shoudl be driving the demand for the rest of the process. I need to time/measure things to prove it though. Great Monday discovery! :)

How long can you leave paste - update

Electronics Forum | Tue Apr 03 05:56:46 EDT 2007 | Haris

Hello, simply downkload your solderpaste specification from the internet and look, u will find your desired answer. bye

How long can you leave paste - update

Electronics Forum | Mon Apr 02 11:55:19 EDT 2007 | chrissieneale

One. Consisting of: 1 stencil printer (approx 10yrs old) 4 placement machines (2 obsolete, 2 fairly new) 1 oven (fairly old)


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