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14th April 2020, 08:58 PM #1
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Fixing a morse taper chuck dropping out of a drill press.
So my fairly cheap drill press had been driving me nuts to the point I was seriously considering dropping some serious coin on a new far more expensive item. The chuck would just drop out with the merest hint of provocation ruining a number of workpieces.
I have found a fix to the problem and have been waiting on posting this until I was certain it has been resolved. The answer is Loctite 609. You can buy it at Repco and many other stores but my local Repco had it in stock. There are other competing products that I am sure will do just as good a job but nothing with the Loctite name has ever let me down and the difference in price was not enough to persuade me.
Applied the compound and wound the table up to clamp the chuck in position for 24 hours. I've done quite a bit of drilling with it since then and it has been solid. I may not ever need it again, but it was the best $20 I've spent in quite some time!
Hopefully that will help someone else.
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14th April 2020, 09:13 PM #2
Butcher of wood
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I hope you never have to remove the chuck again!
Either the female taper in the quill or the chuck arbor is very slightly “off”. A simple test is to try a known good taper shank drill bit in the quill, if that works fine then it’s the chuck arbor that needs replacing. If it falls out like the chuck did then the female taper in the quill needs reaming out with a morse taper reamer.
If you do ever remove the chuck again you’ll find the problem is now worse; you’ll need to remove every molecule of old dried Loctite from both mating surfaces before applying any fresh.Nothing succeeds like a budgie without a beak.
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14th April 2020, 09:29 PM #3
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I have the same problem and it has done it since new, very frustrating sometimes
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14th April 2020, 10:49 PM #4
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Yep, I know. But for now; this works. As it was, the machine was unusable. ¯\_(ツ)_/¯
Originally Posted by Chief Tiff
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14th April 2020, 11:13 PM #5
One day ...
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Cheap drill press -- not well made enough to actually warrant a removable arbor -- so glue it up solid seems like a valid solution. Sometimes the bottom-end Chinese shyte isn't worth further effort or expense.
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15th April 2020, 12:56 PM #6
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This may not apply to some (or most?) but I had the same problem on my old Taiwan drill press. It had been fine, then problem with arbor, as above. I carefully rubbed with about 400 wet and dry, have not had a problem since. I think some sort of debris/rust/stuff was just slightly fouling the surfaces.
TM
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