Electronics Forum: cfm (Page 1 of 7768)

CFM requirements for Heller 1500 reflow oven exhaust

Electronics Forum | Thu Jul 24 10:49:12 EDT 2008 | slthomas

100 CFM at each exhaust if you're using room air, 25 CFM/ea if you're using nitrogen (according to my manual...never used nitrogen myself) per their specified delivery rates.

Hexi reflow CFM

Electronics Forum | Sat Feb 08 04:49:09 EST 2014 | cspasol

Anybody know what is the standard CFM of HEXI reflow? Our reflow oven SF-820-LF has no exhaust fan. So from our facility what should be the required CFM.

Hexi reflow CFM

Electronics Forum | Mon Feb 10 03:28:04 EST 2014 | cspasol

Thank you for the information. I have 1 more thing to ask, Venting: Three 4” (102mm) dia. flanges 200 CFM (340m3/h) ea. What thus three 4" specify? Is it the number of exhaust ventilation? and 200 CFM could be the specs per exhaust?

Manufacturing Floor Ventilation

Electronics Forum | Wed Jan 23 09:36:51 EST 2008 | operator

"A minimal ventilation rate of 0.05 cfm per square foot," This would be per Cubic Feet correct? In our factory that would be about 40,000CFM.(3 ACH) If we wanted 10 ACH we would need apprx. 120,000CFM. We probably have about 2,000-4,000CFM currently.

CFM requirements for Heller 1500 reflow oven exhaust

Electronics Forum | Wed Aug 06 23:32:19 EDT 2008 | darby

It SHOULD be written on the machine. I have had/have 1500 Hellers that range from 60cfm to 500cfm Check the fine smtnet archives. http://www.smtnet.com/forums/index.cfm?fuseaction=view_thread&CFApp=1&Thread_ID=8859&#Message35065


Electronics Forum | Thu Feb 01 07:55:33 EST 2001 | rrmccann

There is a lot of good information on the topline website at http://www.toplinedummy.com/catalog.cfm.

Re: About SMT equipment

Electronics Forum | Fri Apr 24 14:44:07 EDT 1998 | Joe Devaney

Go here for equipment survey: http://www.cassembly.com/pp/pp_toc.cfm

Re: found a good new smt site

Electronics Forum | Thu Apr 02 13:22:25 EST 1998 | p.l.


HSP 4790/4791 Touchscreen monitor

Electronics Forum | Tue Jan 08 13:26:02 EST 2002 | Claude_Couture

check this site: http://www.necmitsubishi.com/products/index.cfm

Machine Utililaztion

Electronics Forum | Tue May 21 10:02:15 EDT 2002 | cfraser

Currently, we are using Siemens Siplac machines with a CFM line that includes in circuit test.

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