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Drill press mobile base safety improvement

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Project by DonH posted 12-23-2010 09:04 PM 9434 views 8 times favorited 14 comments Add to Favorites Watch

I had previously posted the shop made drill press mobile base shown here. With experience in using it I found a stability problem when rolling along due to the high center of gravity of the drill press, particularly across a carpeted area in the room between the shop “annex” where machines are stored on mobile bases and the shop itself.

The solution was to add a cross piece over the drill press base to retain it within the mobile unit and to install a tow bar with chains attached to the front of the base. This allows the towing/pulling moment to be as close to the floor as possible thus minimizing any tipping tendencies. This works much better and would be a good idea for any mobile drill press or other tool with a similar center of gravity.

-- DonH Orleans Ontario





14 comments so far

View HokieMojo's profile

HokieMojo

2104 posts in 4338 days


#1 posted 12-23-2010 09:19 PM

That’s pretty smart. Just don’t leave the chain out where you could trip! (-:

View DonH's profile

DonH

495 posts in 3427 days


#2 posted 12-23-2010 09:24 PM

Maybe I should paint the handle red!!

-- DonH Orleans Ontario

View Jim Jakosh's profile

Jim Jakosh

23776 posts in 3715 days


#3 posted 12-24-2010 02:21 AM

Very nifty! Thanks for sharing!!

-- Jim Jakosh.....Practical Wood Products...........Learn something new every day!! Variety is the Spice of Life!!

View TopamaxSurvivor's profile

TopamaxSurvivor

18794 posts in 4286 days


#4 posted 12-24-2010 03:06 AM

great idea.

-- Bob in WW ~ "some old things are lovely, warm still with life ... of the forgotten men who made them." - D.H. Lawrence

View DonH's profile

DonH

495 posts in 3427 days


#5 posted 12-24-2010 05:21 AM

Hi Jim and Topo – thanks

Best of the season guys!!

Don

-- DonH Orleans Ontario

View DragonLady's profile

DragonLady

298 posts in 3617 days


#6 posted 12-24-2010 06:23 AM

Now you just need a shop dog trained to hitch up and pull it ;)

-- A woman's work is never done-but power tools help!

View DonH's profile

DonH

495 posts in 3427 days


#7 posted 12-24-2010 02:04 PM

Actually, I have a shop cat – a 28 pound tom named Mr. Fluff. On the other hand I think he would look askance at anything with a task concept related to it! He is very much a Garfield kind of guy.

Best of the season

Don

-- DonH Orleans Ontario

View Lee A. Jesberger's profile

Lee A. Jesberger

6866 posts in 4589 days


#8 posted 12-24-2010 11:01 PM

Hi Don;

I guess if you need to have the drill press on a mobile base, your solution is pretty good. I am a bit skeptical, due to the top heavy condition, which you mentioned.

But a man gotta do, what a man gotta do, right.

Lee

-- by Lee A. Jesberger http://www.prowoodworkingtips.com http://www.ezee-feed.com

View DonH's profile

DonH

495 posts in 3427 days


#9 posted 12-25-2010 04:45 AM

Hi Lee – best of the season to you.

I bought the new Delta 18 inch drill press and that is now installed in my shop. The only stationary tools I have space for are the large band saw and drill press. I have relegated the old drill press as a thickness sander ( I built the unit and it is in one of my other posts) so I have to be able to roll it into the shop when I need that function and then put it in the storage area with the other mobile stuff. So, the long and the short is no choice it has to be mobile. The top heavy issue is much better with the new arrangement and is now quite manageable. I scared myself a couple of times without the tow bar.

All the best

-- DonH Orleans Ontario

View Dusty56's profile

Dusty56

11856 posts in 4298 days


#10 posted 12-25-2010 07:07 PM

It’s a great idea. I also have a parking garage for my mobile tools because my basement shop isn’t big enough to have them all in it at the same time. I also roll them in as needed and back to their resting places when done. My Jet DP stays put in my shop , although , with your idea , I could add it to the garage if necessary.
Thanks for your post and Happy Holidays : )

-- I'm absolutely positive that I couldn't be more uncertain!

View DonH's profile

DonH

495 posts in 3427 days


#11 posted 12-25-2010 07:57 PM

Thanks Dusty

I find the roll in roll out machines convenient and I don’t have to commit all kinds of floor space to machines that are not getting used that often in some cases.

-- DonH Orleans Ontario

View Dusty56's profile

Dusty56

11856 posts in 4298 days


#12 posted 12-26-2010 05:38 AM

I agree : ) Have a wonderful weekend !

-- I'm absolutely positive that I couldn't be more uncertain!

View mathom7's profile

mathom7

69 posts in 3521 days


#13 posted 01-08-2011 08:15 PM

I design specialty tooling for a living and we have a “anti-tipping” design practice we have to meet on every design.

If you can estimate the total weight, the approximate center of gravity in 3 dimensions relative to the base, and the footprint dimensions, I can run the numbers and tell you what the recommended base size would be. I’ll warn you we design for safety, so it’s conservative.

View DonH's profile

DonH

495 posts in 3427 days


#14 posted 01-08-2011 09:48 PM

Hi Mathom7

Thanks for the offer. The weight is 235 lbs, the vertical centre of gravity is 45 inches from the floor and 7 inches forward of the column and on the center line.

Thanks

Don

-- DonH Orleans Ontario

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