Morning of Frustration...

Steve@Advance

Well-known Member
I'm sure this has been covered many times before...

Been heating and beating a 2" taper shaft with a steel wheel that will not come off!

I don't have a puller this big. too big for the press, so all that's left is the torch and sledge hammer.

This is something for the railroad, a trailer axle that has a 18" steel wheel, so it can take a beating, but it sure is getting ugly!

I've had it soaking with penetrating oil, had it dull red with the rose bud, standing on end against a steel plate, beating down with the biggest hammer in the shop, nothing...

Right now it has cooled down, more penetrating oil. Think I'll stop at the dollar store and get a candle.

Any more tricks I'm missing?

Thanks!
 
Sometimes on a large steel or cast wheel like a flywheel when you heat it the hole gets smaller, unless you heat the outside first. Where I used to work we put a lot of things together with interference fit, we had an oven big enough to drive a forklift into. We would put 500 lb bridge crane wheels in there overnight at 250 degrees F. The bore would get .008 larger!
 
If it is so you can move it around a simple bottle jack and a socket that is just a tad bit smaller then the axles and a chain and you can then chain it up so it works just like a shop press just not a true shop press. BTDT with crank shaft pulleys and other such things
 
Finally got it!

More heating and beating, it gave it up!

Just as the torch (and myself) ran out of oxygen.

Thanks!
 

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