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Flip Table #4: Mobility and More Questions

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Blog entry by hjt posted 01-21-2014 02:23 PM 766 reads 0 times favorited 5 comments Add to Favorites Watch
« Part 3: Fixing the Base and Adding Support Part 4 of Flip Table series Part 5: Mounting the Tools »

Phase 3 of the Flip Table
Todays’ phase of the project started out to simply add a floor and some wheels, but I also decided to make it a little beefier.

Adding the floor:
On the side I consider to be the front of the flip table, I put a support piece behind the front legs. I did this to have a little more foot room and allow me to get closer to the table (wife’s idea.) Smart gal!

I cut the ¾ plywood just a little larger than needed. I used my jig saw to trim off the un-needed board around the front legs and then used my router sporting a ½ inches x 2 inch flush bit to “pretty up” the entire bottom.

QUESTION:
While the Jig Saw made fast work of this cut, was it a needed step, OR could I have just used my router to cut out this piece? My thought was that it would be too much to ask of the router, but since I’m new to routers – I’m not sure.

Wheels on, time to flip it over!

Now is the time to begin determining where to place the planer and drill on the table top. While doing the prep work for this next step, I was once again reminded of just how much these tools weigh. The planer is 73 pounds. This weight is pretty evenly distributed. However, the 1940 – 1950 drill press… it’s an anchor; made of steel and cast iron. This puppy weighs in at just under 100 pounds. I’ve decided to add two more vertical supports, one on both sides, directly under the pivot point of the table.

More Questions – Major Concern – Need some LJ Input!

My concern is the weight of this drill and the best way to attack it to the table.

The drill press has a cast iron base with three ¼ inch mounting holes. One hole is in the back and two are up front. I’m sure these are prefect for mounting to a stationary table. BUT, since my table will rotate AND this unit will be hanging upside down much of the time… I’m concerned that the weight and gravity will pull it off the table.
Tell me if you think my idea will work or suggest something that you would do.

1) I was going to use lags but when I saw the hole size is only ¼ inch, I’m thinking that I will drill a 3/8 holes 2.5 inches into the table and use two threaded inserts per hole. (The table is framed 2×4 and ½ decking.) These 3/8 inserts are ½ in length will hold a ¼ machine screw. I will drive one insert to the bottom of the hole and the second one about half way into the hole. This will give each of the three screws two inserts to hold onto.

2) My other thought is to mount the drill press to an oversized, solid piece of wood and then mount that to the table using a minimum of four or six 3/8 lags.

Your thoughts??

-- Harold



5 comments so far

View Woodwrecker's profile

Woodwrecker

3632 posts in 2261 days


#1 posted 01-21-2014 02:46 PM

Hi Harold.
I would have cut the piece like you did with the jig saw and then use the flush trim. No sense killing your flush trim bit as long as you have that nice jig saw. The flush trim bit isn’t meant for cutting out pieces anyway.
As far as mounting the drill press.
I would use carriage bolts with washers and nuts because of the weight.
My thinking is lag bolts may not hold up to rotating with that much weight involved, and eventually loosen up and pull out….at the worst time…
Lastly, with the height and weight of your drill press, are you sure a flip style table will be manageable?

The extra support is also smart.
I have never regretted over-building a weight bearing project.

Enjoying your build.
Thanks.

-- All glory comes from daring to begin.

View hjt's profile

hjt

777 posts in 1824 days


#2 posted 01-21-2014 04:51 PM

Thanks Eric. As to your question… I’m hoping it will manage the weight. The height of the drill press can be adjusted to some degree. I was thinking that if it is too much I’ll do something different with the press and put a different, lighter tool on instead. Another thought is to keep the drill press up top at all times and bring up the planner when needed – then bring the drill up top again. that way the weight of the drill will be in its natural position while the flip table is sitting with nothing to do.

-- Harold

View AngieO's profile

AngieO

1180 posts in 833 days


#3 posted 01-22-2014 08:23 PM

I’ve always been interested in these flip top tables. But the weight of the machines has always been a concern for me. I think though that when I build mine it will be for some tools that weigh less. With that being said… I’m really interested in how yours holds up to those larger items. I’m thinking maybe scroll saw and sander on mine.

View robscastle's profile

robscastle

1817 posts in 890 days


#4 posted 01-24-2014 10:10 PM

Holy drill bits batman, that’s one big mother of drill press!

Are you sure you want to flip it?
My concerns would be having the complete assembly topple onto me or elsewhere in the process.
Especially as its wheel mobile, and the total weight you will need to manage without human strain concerns.
In all honesty I would seriously look at swapping it out with a lower center of gravity machine, Scroll saw, Sander. Grinder or similar and bench mount the Drill Press.

-- Regards Robert

View hjt's profile

hjt

777 posts in 1824 days


#5 posted 01-25-2014 12:55 AM

Robert, yea, I’ve thought of that. If you look at my next part of this blog. while the drill is not mounted, it’s sitting on the table. 24 hours later that table remain intact. As for stability, guess I’ll find out.

-- Harold

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