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Drill press binding

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Forum topic by Andybb posted 04-27-2017 11:19 PM 1314 views 0 times favorited 14 replies Add to Favorites Watch
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Andybb

1470 posts in 800 days


04-27-2017 11:19 PM

Have a Craftsman press that has worked great for 20 years but it recently started binding when raising and lowering the spindle (chuck). I was using it with a 4” hole saw in some pretty substantial wood when it started to “lurch” for lack of a better word and description. When I was done the spindle would no longer go up and down smoothly. Any idea on what could be causing that before i tear into it?

-- Andy - Seattle USA


14 replies so far

View dhazelton's profile

dhazelton

2790 posts in 2494 days


#1 posted 04-27-2017 11:35 PM

Spindle bearings dry or worn out? The spindle itself should have some grease or lubrication on it.

View MrUnix's profile

MrUnix

7037 posts in 2396 days


#2 posted 04-27-2017 11:43 PM

Yeah… you gotta lube them things now and then, and bearings don’t last forever.

Cheers,
Brad

-- Brad in FL - In Dog I trust... everything else is questionable

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Andybb

1470 posts in 800 days


#3 posted 04-27-2017 11:51 PM

I’ll do that. It was just too much of a coincidence that it was fine before the lurching incident. Almost like the spindle was shifting in it’s mounting. Made a high pitched painful squealing sound like it was binding.

-- Andy - Seattle USA

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MrUnix

7037 posts in 2396 days


#4 posted 04-28-2017 12:00 AM

I ll do that. It was just too much of a coincidence that it was fine before the lurching incident. Almost like the spindle was shifting in it s mounting. Made a high pitched painful squealing sound like it was binding.
- Andybb

Ok, so now I’m confused. You said originally that it had started binding before the incident. Then it ‘lurched’, and wouldn’t go up or down smoothly. Now you are saying it it was just fine before the lurch thing, and it made a high pitched squeal at some point.

Either way, something is either not lubed or worn, and based on the noise you heard, there is also the possibility that you have done damage.

Only way to be sure is to pull it apart and look. Got a model number?

Cheers,
Brad

-- Brad in FL - In Dog I trust... everything else is questionable

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Andybb

1470 posts in 800 days


#5 posted 04-28-2017 12:24 AM

At work so don’t have a model #. Nothing special. Just a 20 year old 4 or 5 speed 10”.

Yeah. I knew that would be confusing. The lurching was while it was spinning, not going up and down. Instead of just bogging down like is normal when aggressively trying to drill a hole the hole saw would stop but then something would squeal like the head was still trying to spin. After that is when the up/down binding issue immediately happened. Yeah, I broke/stripped somethin’ in there.

Yes, it needs to be pulled apart.

It’s just one of those tools that I’ve never had to dig into because all it does is spin and has always worked.

-- Andy - Seattle USA

View dhazelton's profile

dhazelton

2790 posts in 2494 days


#6 posted 04-28-2017 11:09 AM

Maybe the return spring snapped.

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Andybb

1470 posts in 800 days


#7 posted 06-05-2017 10:05 PM

If anybody is still watching??

It appears that the top portion which rides up and down into the top pulley shaft has twisted slightly like a licorice stick. Pretty sure this is from having the spindle fully extended at high speed with a rather large hole saw in the chuck binding on tough wood.

Any of you metal knowledgeable folks out there have an idea on how to coax it back? Torch & pipe wrench? Or….????

-- Andy - Seattle USA

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Andybb

1470 posts in 800 days


#8 posted 06-05-2017 10:49 PM

fixed with a torch and pipe wrench

-- Andy - Seattle USA

View TheFridge's profile

TheFridge

10696 posts in 1683 days


#9 posted 06-05-2017 10:56 PM

Sweet

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

View Redoak49's profile

Redoak49

3657 posts in 2186 days


#10 posted 06-05-2017 11:07 PM

Glad that worked. Perhaps, a 4” hole saw is a bit much for the drill press.

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Andybb

1470 posts in 800 days


#11 posted 06-06-2017 12:46 AM


Glad that worked. Perhaps, a 4” hole saw is a bit much for the drill press.

- Redoak49


No question. Plus the spindle was at the bottom of it’s travel so only the top 1 inch of the spline was engaged. Plus there was the inch thick oak I was drilling. I guess you can only ask so much from a 10” 1/2 hp press. :-)

-- Andy - Seattle USA

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dhazelton

2790 posts in 2494 days


#12 posted 06-06-2017 12:54 PM

I wonder if the torch embrittled the steel. You may have problems down the road – I hope it doesn’t snap on you.

View Bill White's profile

Bill White

5121 posts in 4157 days


#13 posted 06-06-2017 02:06 PM

And you sure don’t run a large hole saw at high speed.
Bill

-- bill@magraphics.us

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Andybb

1470 posts in 800 days


#14 posted 06-06-2017 11:58 PM


I wonder if the torch embrittled the steel. You may have problems down the road – I hope it doesn t snap on you.

- dhazelton


Me too, but I paid $50 for the press 20 years ago at a pawn shop so it doesn’t owe me a thing if it dies tomorrow. :-)

-- Andy - Seattle USA

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