Electronics Forum | Fri Apr 06 01:46:59 EDT 2007 | Haris
Basically its spec. gives surety regarding its chemical and physical properties. if he doesnt follow the spec then may be he may find good physical soldering appearance but chemically it may goes down through Electrical or Environmental testing and i
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
Electronics Forum | Mon Apr 02 10:46:03 EDT 2007 | slthomas
Hand up here too. While most pastes have some flexibility and you may get by without too many problems, I don't think any of them are designed with long wait times in mind. What I'm confused about is what your operator is doing when boards ARE runni
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
Electronics Forum | Tue Apr 03 13:10:15 EDT 2007 | slthomas
Personally I wouldn't count anything but minutes. You need to know how long it takes to perform each task in order to balance your line. What I'm gathering is that you've got one printer feeding 4 machines, all running different jobs or maybe a pai
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
Electronics Forum | Mon Apr 09 16:46:54 EDT 2007 | stepheniii
Basically its spec. gives surety regarding its > chemical and physical properties. if he doesnt > follow the spec then may be he may find good > physical soldering appearance but chemically it > may goes down through Electrical or Environmental
Electronics Forum | Mon Apr 02 09:57:19 EDT 2007 | ed_faranda
Yes, Hand Up here. I would think you would have a quality problem. I am assuming you're doing this process in some sort of batch mode. I would hope that you can process your boards within a few minutes after components being placed. Things that I
Electronics Forum | Mon Apr 02 10:20:40 EDT 2007 | realchunks
Hi Chris, Yes, my hand is up. But the problem is WHY you are stock piling printed boards. Is it a single printer used to feed various lines? I would think that since you are hand placing parts, that this printer would be able to keep up. Obvious
Electronics Forum | Wed Apr 04 03:38:04 EDT 2007 | chrissieneale
The two machines in the middle are really really old m/c's so we try as much as possible to not to use them (apart from as very expensive conveyor belts). They run a fixed set up as although we have a bunch of different products they all tend to use
