Dust Collection Question on running 4" to 2" for Lathe set-up - Woodworking Talk - Woodworkers Forum
 
Thread Tools Display Modes
post #1 of 9 Old 02-07-2012, 02:43 PM Thread Starter
Junior Member
 
Join Date: Feb 2012
Posts: 7
View BradK12's Photo Album My Photos
Dust Collection Question on running 4" to 2" for Lathe set-up

Recently I got a Jet 1250 Dust Collection System and am running my piping and fittings (4" coming out of the Jet). I am now at my lathe and have a question about the proper diameter fitting there to get the biggest bang for the buck suction as it throws stuff in all directions. Should I continue it with a 4" opening or I was thinking that I could take it to a 2" to limit the expansion of the suck going into my custom built housing and therefore it would create a stronger pull versus the 4". Make sense? Any ideas from people that are using these on lathes? I am about 12 feet from the DC system too.
BradK12 is offline  
Sponsored Links
Advertisement
 
post #2 of 9 Old 02-07-2012, 02:55 PM
No Longer Here
 
Join Date: Feb 2009
Posts: 6,839
View rrbrown's Photo Album My Photos
I think you would be better off with the 4" depending on the run between lathe and DC.

If it's a custom fit and you want to reduce it to get a higher velocity reduce it to 3" at the least. To much reduction starves the DC system.

Just my .02
rrbrown is offline  
post #3 of 9 Old 02-07-2012, 04:53 PM
Hobbyist wood-butcher
 
thegrgyle's Avatar
 
Join Date: Jan 2011
Location: Saint Charles, IL
Posts: 1,556
View thegrgyle's Photo Album My Photos
In your case, reducing the opening will just reduce the DC's capacity to move a large volume of air. It will not speed up the suction. Keep it at 4", and that will work better.

I would also install a floor sweep of some sort by the lathe.... I haven't really ever seen a very successful DC setup for a lathe.

another 2 cents....

Fabian

Fabian

I used to be fairly indecisive, but now....... I'm not so sure.
thegrgyle is offline  
Sponsored Links
Advertisement
 
post #4 of 9 Old 02-07-2012, 06:38 PM
Yea i got wood
 
robert421960's Avatar
 
Join Date: Dec 2010
Location: Rockholds Ky
Posts: 3,016
View robert421960's Photo Album My Photos
i agree with these guys all the way around
i have 2 smaller outlets and both have way less suction than 4"
so stick with as big as you can
also the floor sweep port by the lathe is great!!!
robert421960 is offline  
post #5 of 9 Old 02-07-2012, 07:09 PM Thread Starter
Junior Member
 
Join Date: Feb 2012
Posts: 7
View BradK12's Photo Album My Photos
Thanks for the feedback. Will stick with 4" as much as I can.
BradK12 is offline  
post #6 of 9 Old 02-08-2012, 12:27 PM
Senior Member
 
Join Date: Jan 2010
Location: NW Pa
Posts: 2,941
View TimPa's Photo Album My Photos
other problem is that the farther from the dc opening, the less (fpm) suction there is. a properly sized dc system will still pull @ 8 1/2" away from a 4" opening, only 4 1/2" from a 2" opening.
TimPa is online now  
post #7 of 9 Old 02-08-2012, 12:48 PM
Senior Member
 
BigBull's Avatar
 
Join Date: Feb 2010
Location: Overland Park, Kansas
Posts: 611
View BigBull's Photo Album My Photos
For what it worth this is my current set up. I'm using 4" flex hose.



The floor sweep is located on the wall not too far from the lathe


"Dear Lord, lest I continue in my complacent ways, help me to remember that someone died for me today. And if there be war, help me to remember to ask and to answer, 'Am I worth dying for?'"

Eleanor Roosevelt
BigBull is offline  
The Following User Says Thank You to BigBull For This Useful Post:
thegrgyle (02-08-2012)
post #8 of 9 Old 02-08-2012, 11:22 PM
Junior Member
 
Join Date: Feb 2012
Posts: 4
View Jeff Baldridge's Photo Album My Photos
I was reading about your problem and I saw this adapter Maybe it can help.

Last edited by Jeff Baldridge; 02-08-2012 at 11:29 PM.
Jeff Baldridge is offline  
post #9 of 9 Old 02-09-2012, 09:01 AM Thread Starter
Junior Member
 
Join Date: Feb 2012
Posts: 7
View BradK12's Photo Album My Photos
Thanks for everyone's feedback and knowledge. Oh how the little projects turn into something so much bigger....guess I would get bored otherwise, huh?
BradK12 is offline  
Reply

Quick Reply
Message:
Options

Register Now



In order to be able to post messages on the Woodworking Talk - Woodworkers Forum forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.

Password:


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:
OR

Log-in










Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode



Similar Threads
Thread Thread Starter Forum Replies Last Post
advice please: lathe "kicking" with large bowl blank duncsuss Woodturning 14 10-16-2012 06:50 AM
Need help connecting Delta SA180 1" Belt/8" Disc Sander to dust collector Sleeper Power Tools & Machinery 3 02-09-2012 07:23 PM
A question about the 10" x 18" HF lathe The Engineer Woodturning 6 11-24-2010 04:31 PM
Flex pipe for 6" dust collection installation? rmonzo Power Tools & Machinery 0 01-02-2009 07:51 PM
Newbe Question "WHAT Lathe" TonyR Woodturning 11 06-25-2008 11:03 PM

Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

 
For the best viewing experience please update your browser to Google Chrome