Electronics Forum | Tue Aug 22 16:02:07 EDT 2000 | Dr. Ning-Cheng Lee
If the thermal mass of the products is small, a tent-shaped profile is recommended, with peak temperature around 240C. The hottest spot on board should be less than 250C. However, if the thermal mass of the product is large, such as a large server PC
Electronics Forum | Tue Nov 09 17:12:38 EST 1999 | Dave F
Steve: Addressing your points: 1 FINE PITCH APERTURES Electropolishing Laser Cut Stencils: Laser cut should not requiring polishing. Geesh, how much money do you have for stencils? ;-) Oval Shaped Apertures: Pass. What do you expect to gain f
Electronics Forum | Tue Nov 09 19:45:48 EST 1999 | Steve Thomas
1 Money IS an object, and my boss will be thrilled. The stencil manufacturer recommended ovals to facilitate better release. Seems likely to be true, but whether or not it's necessary I don't know. We have perpendicular walls on these (6 mil) ste
Electronics Forum | Tue Aug 18 22:22:43 EDT 2009 | comatose
Assuming you want to run 8 hours a day and 5 days a week, you need a sustained throughput of 2.5k components per hour. With fine pitch, futzing around, setup, etc you should really look for machines rated in the 4k to 5k per hour range. That's not sc
Electronics Forum | Sun Sep 29 01:28:42 EDT 2013 | tonnyneoden
This is Tonny from China ,I am a salesman at NEODEN TECH CO.,LTD . We are a factory specializing in the manufacture and export of desktop automatic PICK AND PLACE MACHINE (SMT MACHINE) for more than four years. We are the leaders in this technology i
Electronics Forum | Sat Aug 24 18:06:10 EDT 2002 | Hermann
Our manual and semiautomatic pick an place machines are suitable for all low volume tasks, fine pitch included, thanks to a special break system, guiding the manual mooving of the nozzle. Have a look at http://www.harotec.ch Hermann
Electronics Forum | Wed Jul 30 00:47:10 EDT 2014 | matusov
Hello gurus, I am a hardware designer with a small company. We are about to send a new PCB for fabrication. This board uses dozens of tiny QFN, DFN, and similar packages. As a final check I have been going through the datasheets of all these parts t
Electronics Forum | Tue Mar 12 10:16:05 EDT 2013 | bocci572
Yes the components are flat and no larger than 50mm in size. Most are full rings or just an arc of a ring. I understand fully the best way to have the capabilities proven would be to have the vendor demonstrate. I am kind of looking at what people
Electronics Forum | Wed Dec 14 12:48:21 EST 2005 | grantp
Hi, A second hand TP9-2U MYDATA could be picked up very low cost, however it will only load a single component at a time, which could be ok for your jobs. However if your running 0402, I am not sure if that model will do it accurately. Your machin