chuck is wobbling

[bayea]

Hi all, i was in the middle of a carve and noticed that the chuck is wobbling. the bit is in nice and secure but the chuck wobbles.
by the way this is a CarveTight.
what do i do????

[bergerud]

The Carvetight is all one spindle, the chuck cannot come loose from the spindle. Maybe your tolerance ring slipped out. Do you see a thin circular strip of corrugated metal in the bottom of the machine somewhere? When you wiggle the chuck, does the bottom bearing move? The tolerance ring is a spacer which wraps around the bearing.

[Kenm810]

This is what the Tolerance Rings look like,
I had the lower one on my machine drop out a couple times,
a few years ago -- before the Rock or Carvetight were available.

[bayea]

Yep looks like the tolerance ring slipped out, and do you think i can find it anywhere . . . nnnooooo !!!!
this may have been a good thing, cuz my flex shaft broke too.

here is a pict of underneath the chuck. . . . . i dont know about you but I think somethings missing. . . . :-/



Here is a pict above. . . . i can see this one.


thanks guys. . .

[bergerud]

Where is the spring clip on the top of the spindle? Did you take it off? If the spring clip was missing, that might be the problem. The spring clip holds a side load on the bearings and keeps it all tight. I cannot tell from the pictures whether the bottom tolerance ring is gone or not. If you cannot find the tolerance ring, it may just be the clip. But where is that? How did the flex shaft break?

[bayea]

i took the spring clip off after i saw the chuck was moving.

I have no idea how the flex shaft broke. it wasnt running hot or anything.
i took the flex shaft off to check out the chuck and it looked like there was a really long spring wrapped around the flex shaft.

[bergerud]

The spring is called a silencing spring. It is a long spring between the flex shaft and the sheath. Is the flex shaft broken or is it just that the spring is wrapped around it? You may be able to buy just the spring if the flex shaft is still in one piece. If it were me, I would tap out the spindle and have a look at the bottom bearing. Block the truck from below and try gently tapping out the shaft with a soft punch. Be careful not to obstruct the bottom bearing as it comes out with the spindle. If it does not come out with gentle tapping see the "spindle puller" thread. Maybe you will get lucky and only have to buy a spring and tolerance ring or bearing. Let us know how it goes.

[bayea]

silencing spring??? i thought it was part of the flex shaft that came apart. LOL

so your saying it should look like this?

plus it looks like the flex shaft has some missing stuff, not sure what to call it.


then i found these . .

[AskBud]

silencing spring??? i thought it was part of the flex shaft that came apart. LOL

so your saying it should look like this?

plus it looks like the flex shaft has some missing stuff, not sure what to call it.


then i found these . .

I would say you need a new Flex.
It appears the the shaft is damaged, the spring has flown apart, and the outer sheath(s) may be damaged as well from all the other damage.
AskBud

[bayea]

Lookie what i found in the bottom of my machine. . . . . :-/

Since this is not suppose to happen on the CT LHR is going to send me a new z truck ! yeah. . . .