Electronics Forum | Wed Jul 15 06:32:03 EDT 1998 | Process Engineer
| We just have a use cp4 .I have a problem on transfering data between cp3 to cp4 .when I use the data for cp4 I can't have parts in correct location. Is that normal? or it's because that has a different vision system.if so.how can i do with it.the d
Electronics Forum | Tue Jul 14 20:16:45 EDT 1998 | Wayne Bracy
| Dear Colleagues: Most responses will be individual involvements with either rotors or the old pizza type cutters. Depending upon how your multi-up boards are designed will determine the actual spacing that you have for the singulation process. (r
Electronics Forum | Tue Jul 14 19:40:43 EDT 1998 | Steve Gregory
| Ben and others, | The banner problem has been fixed and your "Back" button should | work as usual now. Sorry for the inconvenience. | Cunli Thanks Cunli!! I guess I was having the same problem after all...the page was loading up, just real sl
Electronics Forum | Tue Aug 04 16:44:22 EDT 1998 | Jim Price
| | I am looking for a chipshooter capable of installing tape fed smt parts on tape up to 32mm. Chipshooter speed on 8mm components must be a minimum of 12K per hour. Reliability, customer service and price are the gating issues. Please help me ma
Electronics Forum | Wed Jul 08 09:05:09 EDT 1998 | Jon Medernach
Going to SMT from THT you will find a tremendous difference in machine reliability. All the chip shooters are 99.9+%. Fuji has the largest market share in the US so you will hear alot about Fuji. In the Far East the Create chipshooter by Panasonic
Electronics Forum | Fri Jul 10 14:16:06 EDT 1998 | Bob Willis
As Steve said there should not be a problem with cracking plastic components but if you are reaching 180c there will be a problem with secondary reflow on the top side of the board. PCBs flex during wave soldering as they do during reflow if not supp
Electronics Forum | Thu Jul 09 16:47:22 EDT 1998 | Steve Gregory
Hi ya' Bruce! If you don't go above 180 degrees C. you should be oakie-dokie...actually the temp limit according to IPC-SM-786A is 220 degrees...and they also detail that statement by saying that's the temperature as measured at the top center of
Electronics Forum | Sat Jun 27 02:30:41 EDT 1998 | Erhard
You will have to forget about the idea of finding ONE algorithm to optimize SMT placement. For pick and place, collect and place, turret type "chip shooters" with moving feeder cartridge and moving board you will each have to find your own algorithm
Electronics Forum | Thu Jun 25 12:45:37 EDT 1998 | Steve Gregory
Hi there Chris! Are the leads you talking about fine pitch? Is the complete fillet attached to the foot, with it being cleanly separated from the pad? I bet if you look at the board there will be via's really close to the pads at the locations wh
Electronics Forum | Thu Jun 25 11:47:39 EDT 1998 | Steve A
| Hi there, | Does any one know what is TCE for fully wet saturated FR4. I came to know that for Dry FR4 the TCE is about 15-19 PPM �C. Is that true? | | Appreciated for your help. | rgs, | chiakl Chiakl, It looks like you are speaking of what could
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