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Forum topic by trevor7428 posted 12-02-2017 05:40 AM 383 views 0 times favorited 9 replies Add to Favorites Watch
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trevor7428

236 posts in 797 days


12-02-2017 05:40 AM

Topic tags/keywords: question jig

I made my drill press table out of 2 layers of 3/4” MDF with white laminate over all sides and Rocklers fence. The whole table ended up pretty big, but had to be big because my drill press chuck can go back and forth (straight back/ towards you) Approx 10”.

Anyways, when lowering the table it will jump down about 1/2” everytime I turn the crank a couple times. Does this happen with all big/ heavy tables or is my drill press just a piece of junk?

-- Thank You Trevor OBrion


9 replies so far

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TheFridge

8301 posts in 1323 days


#1 posted 12-02-2017 05:43 AM

It’s sticking. Clean the column and wax it. Has always worked for me and protects it as well.

-- Shooting down the walls of heartache. Bang bang. I am. The warrior.

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pottz

2220 posts in 821 days


#2 posted 12-03-2017 02:02 AM



It s sticking. Clean the column and wax it. Has always worked for me and protects it as well.

- TheFridge

I think fridge hit it on the head,its sticking,just clean it well and lube and you should be fine,if not its probably crap-lol.

-- sawdust the bigger the pile the bigger my smile-larry,so cal.

View Richard Lee's profile

Richard Lee

56 posts in 612 days


#3 posted 12-03-2017 03:01 AM

Mine does the same regardless of lube and how clean the column is, I just push lightly with one hand and crank with the other.

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AlaskaGuy

3650 posts in 2146 days


#4 posted 12-03-2017 06:36 AM

I think you have a gravity problem. If you stand the dill upright gravity will work better when sliding the table down.

-- Alaskan's for Global warming!

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TheFridge

8301 posts in 1323 days


#5 posted 12-03-2017 07:28 AM

On second thought. I see it’s a HF brand which isn’t known for its machining. I’d pull it apart with use some 400-600ish grit sandpaper to deburr the column and inside the knuckle then wax it.

-- Shooting down the walls of heartache. Bang bang. I am. The warrior.

View Richard Lee's profile

Richard Lee

56 posts in 612 days


#6 posted 12-03-2017 04:06 PM

The extra weight on the table is acting like a lever.
Be willing to bet if you picked up the front of the table a bit by hand it would work fine.

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Knockonit

57 posts in 39 days


#7 posted 12-03-2017 09:52 PM

Yep, hit that one outta the park, i have basically same thing, made it years ago, when i have the big table on it, up and down is like being in a car someone is learning to drive a stick, jerkly lurky, i sanded, waxed, oiled and cussed, still does it, lifting on front of table relieves some of the bind, but still jerks. I just learned to live with it.


The extra weight on the table is acting like a lever.
Be willing to bet if you picked up the front of the table a bit by hand it would work fine.

- Richard Lee


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LittleShaver

207 posts in 456 days


#8 posted 12-04-2017 07:11 PM

My PC does the same thing even without a heavy table. Lifting the front edge helps, but I usually drop below the desired height and crank back up.

-- Sawdust Maker

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HorizontalMike

7658 posts in 2750 days


#9 posted 12-04-2017 07:18 PM

My 20in. Grizzly does just fine with the DP table attached. Just have to remember to “unlock” the position before cranking, and then all is well. I wax the pole, but have not found it necessary to wax/lube the threaded shaft or crank.

-- HorizontalMike -- "Woodpeckers understand..."

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