Attention Machinists

[loudhornsrule]

Can a machine shop make me a hub to fit this shaft? I can't find one. Roughly 4'' long 1 5X8 X 1 3/8 tapered shaft with 7'16 keyway. thanks

 

[ArtMech]

Yes, they can. In addition it needs to calculate a cone angle and required length of hub (not roughly, but exactly) minus gap between housing and a hub. Take into account a new hub is in line with the other hub(s) or pulley(s) on a machine.
https://www.easycalculation.com/trigonometry/triangle-angles.php
Have ordered that at the machine shops successfully a couple of times.

 

[bigdeano]

The hard part would be putting the keyway in on a taper. None of the places I worked had the equipment to do that.

 

[ArtMech]

The turner can do it.
He just looked if he has an extractor of required keyway dimension. I didn't see the process, but that was not a problem for him.

 

[Kyle_in_Tex]

What does it fit?

 

[ArtMech]

An extractor in this case is a special tool to put a keyway inside a hole.
I'm sorry for my English which probably confuses.

 

[Walkin Horse]

An extractor in this case is a special tool to put a keyway inside a hole.
I'm sorry for my English which probably confuses.

Sorry. I was reading this and saw where you are from,and thought you mite be American living in Europe.

 

[Kyle_in_Tex]

The turner can do it.
He just looked if he has an extractor of required keyway dimension. I didn't see the process, but that was not a problem for him.

That would be a broach. Need a tapered plug to press it thru.

Op, do you have the old hub? Show us a pic of it. My guess is that it will cost you some good money to get a 1 off custom hub made.

 

[Chooglin]

Putting the keyway in would be very simple,indicate the taper in and cut it with a end mill !!!

 

[Kyle_in_Tex]

Putting the keyway in would be very simple,indicate the taper in and cut it with a end mill !!!

Internally on a hub?

Where are you loudhornsrule? Did you find an alternate? How much would you be willing to pay?