How would you machine this wedge shape?

[nickk]

Coincidence?
Saw this on Facebook this evening.

 

[grim_d]

Almost but not quite - that one needs the roller cage to be removed first and is really a clamp, whereas the splitter goes behind the outer and the face that it is up against and forces the wedge in creating a gap for a three leg puller's 'toes' to get in.

To be honest I didn't read the first post, it just immediately reminded me of that video.

Does the bearing need to be re-used? I presume not if your planning on pulling on the outer race?

In which case just get rid of the cage, slit the race then burst it with a cold chisel.

I'm gash.

 

[Brad93]

Made plenty as shown by CEE. (Not with the nice tapered shoulder however)

Usually from scrap laying around. Pipe flanges can be repurposed very quickly, had one where it took a full 60 tons to get the sod off.

This was a little jig to push some pins out. Again took the 60 ton ram.

 

[Brad93]

Almost but not quite - that one needs the roller cage to be removed first and is really a clamp, whereas the splitter goes behind the outer and the face that it is up against and forces the wedge in creating a gap for a three leg puller's 'toes' to get in.

Not seen that video but I do follow Curtis !

You literally need a bearing splitter or a knife in which case you need a very shallow angle to force the bearing off the back of the housing/shaft. In which case your part need to be machined as one piece in order to drive the bearing off the shaft evenly.

No reason you couldn't turn it in the lathe and just go with a very shallow angle as per curtis' video. Then drill and tap from the sides.

 

[Kram]

"Ritish made" The b has fallen off..

You have a big furnace, sand cast one in aluminium bronze?

Easiest would be to turn one out of 200mm square and chop the middle out.

 

[mtt.tr]

Out of interest, cant the bearing be cut off.

 

[Brad93]

Out of interest, cant the bearing be cut off.

The fun method

 

[awemawson]

I’ve done one (of four) by mangling the cage and using a drift on the step that the rollers sit on. But really I only want to change the big rotary seal that is behind the bearings but to do that the bearing has to come off and remain in good enough condition to go back on.

 

[nickk]

Out of interest, cant the bearing be cut off.

Reminds me of Land Rover axle oil seal wear collars.

 

[awemawson]

When I’m on a proper computer I’ll post a picture but I’m on my iPad atm so can’t access them!

 

[mtt.tr]

I’ve done one (of four) by mangling the cage and using a drift on the step that the rollers sit on. But really I only want to change the big rotary seal that is behind the bearings but to do that the bearing has to come off and remain in good enough condition to go back on.

Ah right that does mean extraction rather than abortion.

 

[Brad93]

I'm watching a few on eBay. See if any can be had reasonably. What is the size of the bearing?

 

[nickk]

I'm watching a few on eBay. See if any can be had reasonably. What is the size of the bearing?

See post 1.

 

[Onoff]

Print it!

I'll get me coat...

 

[awemawson]

Print it!

I'll get me coat...

Not as daft as it sounds. Print in PLA, entomb in dry silica sand and 4% sodium silicate. Set with carbon dioxide. Burn out the PLA in my pottery kiln and cast as someone suggested in aluminum bronze using my induction furnace. Al bronze has amazing tensile strength exceeding that of steel! (Google tells me!)

 

[mtt.tr]

Not as daft as it sounds. Print in PLA, entomb in dry silica sand and 4% sodium silicate. Set with carbon dioxide. Burn out the PLA in my pottery kiln and cast as someone suggested in aluminum bronze using my induction furnace. Al bronze has amazing tensile strength exceeding that of steel! (Google tells me!)

Ton
have a bloody great furnace!

 

[Onoff]

Not as daft as it sounds. Print in PLA, entomb in dry silica sand and 4% sodium silicate. Set with carbon dioxide. Burn out the PLA in my pottery kiln and cast as someone suggested in aluminum bronze using my induction furnace. Al bronze has amazing tensile strength exceeding that of steel! (Google tells me!)

Wot I said...