Electronics Forum: smt placment (Page 1 of 2)

SMT placment Machine

Electronics Forum | Tue Mar 06 15:25:48 EST 2012 | cyber_wolf

Ur not going to do 01005's with CP4,CP6,IP3

SMT placment Machine

Electronics Forum | Fri Mar 02 10:25:42 EST 2012 | caerleon

It depends on your companys position. Are you a Sub Contract Manufacturer or an OEM? I dont have any experience with those parts you mention, but from the list and knowing the systems i would recommend the Fuji everytime as im an CP4/CP6/IP3 as I w

SMT placment Machine

Electronics Forum | Tue Feb 28 12:29:20 EST 2012 | richieoreilly

Hi All, I am currently looking at purchasing an SMT machine with 01005 and flip chip capability, We have a limited budget but have found some machine which may suit. Mydata MY100LX10e Fuji NXT, 2nd hand 2007 vintage, Yamaha YS12F Do any of you ha

SMT Placment Reliability

Electronics Forum | Thu May 04 12:15:32 EDT 2000 | Charles

There is a hypotheses floating here that the more surface mount components on a PCB, the percent of missplacments goes up. I'm on the receiving end of this, and looking for backup, or argument for the idea.

Re: SMT Placment Reliability

Electronics Forum | Thu May 04 16:00:07 EDT 2000 | Nick

A Machines reliability will remain the same If it places 25 parts or 25,000 parts. It has nothing to do with "how many parts" but on the repeatability of the machine type. You would notice less misplacements on a low count PBC due to seeing less comp

Re: SMT Placment Reliability

Electronics Forum | Sat May 06 08:05:31 EDT 2000 | Dave F

Charles: I don't know about machines doing what you're talking about, but I sure I know that I do!!!! Good luck. Dave F

Re: SMT Placment Reliability

Electronics Forum | Fri May 05 11:11:05 EDT 2000 | Stefan Witte

The placement defect rate also depends on the shape of the components. 0402's have a higher defect rate than 0805's for example. If the board is very dense populated, chances are that a misplaced part knocks off another part and all of the sudden the

Re: SMT Placment Reliability

Electronics Forum | Mon May 08 01:47:56 EDT 2000 | Jack

Charles, I think the misplacement can be devided into 2 groups: 1. parts misplaced by machine 2. parts move as the X-Y table moves If you use the solder paster right, and the place force is properly setup, the second group will be definitely no exce

Re: SMT Placment Reliability

Electronics Forum | Fri May 05 13:42:28 EDT 2000 | JAX

Charles, This theory normally occurs when the machines being used have a CAM style pick-up mechanism( ex. FUJI-CP series). One of the many things that determine cam speed is how many parts out of a single feeder will be picked( It has to build up sp

Re: SMT Placment Reliability

Electronics Forum | Fri May 05 20:07:26 EDT 2000 | TNT

Charles, The percentage of misplaced components can increase with the number of components, because as you increase the number of placements the travel of the PCB,for a fixed turret machine, increases in table speed and distance. The slower the trav

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