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Replacement chuck for old Chicago Industrial Tool 5 speed belt drive drill press

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Forum topic by NerdWithASaw posted 06-24-2017 07:47 PM 2006 views 0 times favorited 7 replies Add to Favorites Watch
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NerdWithASaw

6 posts in 171 days


06-24-2017 07:47 PM

Topic tags/keywords: drill press tool refurbish

Hi all—long-time lurker, first-time poster. A great crew of people on here.

Came across a freebie that I thought was worth picking up. Looks to be 70’s/80’s era Chicago Industrial Tool Co, 5 speed drill press. Model number is G-14 F-5. Motor runs just fine, drill head turns without much resistance—only catch is: no chuck.

I’ve never replaced a chuck before. The shaft (“spindle”?) tapers from about 16 mm at the top, to about 15 mm at the bottom. There appears to be some damage where, I presume, the previous chuck sheared off.

I don’t want to sink much money into this thing, as I’m not sure how long it will last or how much use it will really get. Looking for guidance on a (hopefully used and/or cheap) chuck that will fit the tapered shaft.

Also wondering how a chuck is held on. Was thinking it might be a grub screw that tightens against a flat spot on the shaft? I’d probably need to grind a flat spot.

If a picture of the shaft would be helpful, I can easily snap one.


7 replies so far

View Rick_M's profile

Rick_M

10610 posts in 2214 days


#1 posted 06-25-2017 02:23 AM

Taiwan cranked out tons of these in the 70s and 80s, they are capable and worth owning. The chuck attaches to an arbor which will have a machine taper at both ends. The easiest way to get them out is apply sideways pressure while turning the chuck, or you can use a drift key. Sounds like you need a new chuck and arbor but you need to identify the taper first which should be either a Morse or Jacobs taper. The chuck will have one taper, the drill press is likely to have a different taper, so the arbor will have 2 different tapers.

Looking at the pic it appears the arbor is still there which will simplify everything. It fits into a taper in the machine and can be removed as stated earlier. How bad is the damage? You may not need to replace it unless it’s bent.

-- http://thewoodknack.blogspot.com/

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NerdWithASaw

6 posts in 171 days


#2 posted 06-25-2017 11:21 PM

Thanks, Rick. Helpful stuff. It sounds like I might be able to get away with leaving the arbor in? Doesn’t appear bent…turned it on and it doesn’t seem to wobble much. Here’s a few more pics.

I’m not seeing much of a way to remove the existing arbor (pardon if I’m using the wrong terms). But since it seems to be quite well attached, does that mean I can just get a chuck that fits it and somehow tighten it onto that tapered shaft?

View MrUnix's profile

MrUnix

5983 posts in 2033 days


#3 posted 06-25-2017 11:29 PM

The spindle should be all one piece, and most drill tapers are JT33 (although yours doesn’t really look like it is a taper). Measure to make sure.

Dimensions of Standard Tapers

Cheers,
Brad

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

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Rick_M

10610 posts in 2214 days


#4 posted 06-26-2017 03:04 AM

I believe Delta spindles are one piece but Taiwan/Jet spindles should have a removable arbor.

https://www.youtube.com/watch?v=KbI_7IHAsyw

-- http://thewoodknack.blogspot.com/

View TheFridge's profile

TheFridge

8287 posts in 1320 days


#5 posted 06-26-2017 03:08 AM

Crank the spindle down and there should be a slot to put a wedge in to tap the arbor out maybe? If it’s a Morse taper I’d just get a MT2 to JT33 replacement arbor.

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

View Bluenote38's profile

Bluenote38

219 posts in 223 days


#6 posted 06-26-2017 10:56 AM

Here’s a link to a thread over at Welding Design & Fab that might help. http://weldingweb.com/showthread.php?25065-Chicago-drill-press-chuck

-- Bill - Rochester MI

View NerdWithASaw's profile

NerdWithASaw

6 posts in 171 days


#7 posted 06-28-2017 12:27 AM



Crank the spindle down and there should be a slot to put a wedge in to tap the arbor out maybe? If it s a Morse taper I d just get a MT2 to JT33 replacement arbor.

- TheFridge

So I have looked at it several times and do not see any place where I can drive a wedge to remove anything (even with the drill “pressed” fully).

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