Volvo A40F

[Hemi1966]

Originally Posted by Rimrock

Good choice of axles, I am a big fan of these which is the best engineered axles in the Tamiya scale I have studied.
It is a special tool needed to make the internal slots in theg ears. Can you show a picture of it? I imagine it is a quite expencive tool?

Those are made with keyway broach. The set I got can you do 2 and 3mm keyways in to 6,8 and 10mm holes.
It's not that expensive: https://www.wabeco-remscheid.de/keil...adeln-hss.html

You also need some kind of arbor press to push the tool through the gear.

[CAT315C]

Originally Posted by Hemi1966

Those are made with keyway broach. The set I got can you do 2 and 3mm keyways in to 6,8 and 10mm holes.
It's not that expensive: https://www.wabeco-remscheid.de/keil...adeln-hss.html

You also need some kind of arbor press to push the tool through the gear.

If you have a lathe can also make channels for braces, I do not believe it was possible, but I ended up witnessing with my own eyes the operator making the key a pulley / shaft

Just make a tool in the channel width and entering decimal measures to the channel.

Note:. Power off.

[Hemi1966]

Originally Posted by CAT315C

If you have a lathe can also make channels for braces, I do not believe it was possible, but I ended up witnessing with my own eyes the operator making the key a pulley / shaft

Just make a tool in the channel width and entering decimal measures to the channel.

Note:. Power off.

If I remember correct I have made keyways with lathe at school many years ago.
I do have a lathe, but those keys I use are only 2mm thick and I'm not sure how well a self made high speed steel tool might last on that.
But anyway with bigger ones it does work

[Hemi1966]

Slow progress, but I got something done with the tipping cylinders