Gallery, Projects and General > How do I??

Hobbymat BFE65 milling machine. Morse taper stuck in quill.

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braeb123:
Hi, I've just got the morse taper (No.1) stuck in the quill of the milling machine,I've tried the usual way of removing it, by tapping the drawbar, but no luck, so I tried tapping harder with a bigger hammer, still no go. I don't want to damage anything, then tried WD40, taper still refuses to move, so not sure what to try next. Would anyone know what the thread is on the chuck end of the taper, maybe if I knew this I could make some kind of puller that would screw on this thread. Any help would be appreciated. Thanks

PekkaNF:
Do you have this kind of situation?
http://madmodder.net/index.php/topic,6881.0.html

I don't like hitting it with a hammer, ok for plain bearings but will brinnel rolling bearings. Soes it has a boss or thread to mount something to push/pull it out? Idea is to keep al forces within the spindle and not to put any load on bearings.


There has been some threads.

My take on removing drill chuck from taper:
http://madmodder.net/index.php/topic,9861.msg110299.html#msg110299


http://madmodder.net/index.php/topic,9796.msg109239.html#msg109239

http://madmodder.net/index.php/topic,8208.msg87901.html#msg87901

Bluechip:
Commonly 3/8" x 24 TPI UNF or may be 1/2" x 20 TPI UNF on larger chucks.

Never met others but they may exist    :scratch:

Dave

chipenter:
For mt1 6mm for metric and 1/4" Whit for imperial .

Pete.:

--- Quote from: braeb123 on October 16, 2015, 01:24:42 PM ---Hi, I've just got the morse taper (No.1) stuck in the quill of the milling machine,I've tried the usual way of removing it, by tapping the drawbar, but no luck, so I tried tapping harder with a bigger hammer, still no go. I don't want to damage anything, then tried WD40, taper still refuses to move, so not sure what to try next. Would anyone know what the thread is on the chuck end of the taper, maybe if I knew this I could make some kind of puller that would screw on this thread. Any help would be appreciated. Thanks

--- End quote ---

I know it sounds obvious, but when I was a teenager I got a job in a small engineering firm and they had a couple of guys who spent all day trying to drift a morse taper out of a mill spindle. Turns out the drawbar was a basic bit of threaded rod with two locknuts on it and they had un-locked so one of the nuts was still in place holding it tight. Have you checked for that?

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