Removal of 2 pole rotor magnet?

[whitrzac]

Originally Posted by lincpimp

Any ideas how to get a 2 pole magnet off the shaft? I am guessing it is glued on, try some heat? I know I do not want to get the magnet too hot, but...

I have a shop press, and not ing to loose, I guess I could press the magnet off... Might shatter though.

Also, where can I get 5mm motor shafts cheap? I know outrunners use them, try ebay?

FYI, the problem is my c50 maxx motor broke the 1/8 portion of the shaft off, and I figured I would remove the magnet and replace the shaft with a 5mm one.

If anyone has a L can feiago or hacker motor or rotor they do not want, it would save me the hassle...

if you have any success, LMK...

[J57ltr]

The only ones I have delt with are ones that the shaft has come loose and had to put them back on, but I think you could probably get the shaft hot and see if you can press it off. If it were me I would use a torch on the end of the shaft. I am sure you would have to be careful not to get it so hot that the rotor expands and shatters the magnet.

[lincpimp]

Originally Posted by J57ltr

The only ones I have delt with are ones that the shaft has come loose and had to put them back on, but I think you could probably get the shaft hot and see if you can press it off. If it were me I would use a torch on the end of the shaft. I am sure you would have to be careful not to get it so hot that the rotor expands and shatters the magnet.

My issue with heating the shaft is that it will expand, and I really want to shrink the shaft, or exand the magnet. Pretty sure you are not supposed to get the magnets over 200f, so I will try to get it up to 180 or so, while it is setup in the press. If I destroy it I do not care, it is useless as is.

[J57ltr]

Originally Posted by lincpimp

My issue with heating the shaft is that it will expand, and I really want to shrink the shaft, or exand the magnet. Pretty sure you are not supposed to get the magnets over 200f, so I will try to get it up to 180 or so, while it is setup in the press. If I destroy it I do not care, it is useless as is.

I meant shaft. You could try cooling it in the freezer, or some of that cooling spray. I am not sure if that will work, but I am not sure how else to get it loose. Most of the bonding adhesives have a temp well over 200F.

Jeff