I'm in the middle of restoring a Sheldon #3 arbor press. The ratchet is in poor condition, so I'm planning to machine a replacement. I've got a 70 degree dovetail cutter on the way which will match the profile of the existing gear.
The only question at this point is what material to use. Research so far, points to 8620 as a good choice. I've no idea what the existing ratchet is made of, but it's resistant to a file. BTW, this will be my first attempt at making a gear.
Regards,
Brian
The only question at this point is what material to use. Research so far, points to 8620 as a good choice. I've no idea what the existing ratchet is made of, but it's resistant to a file. BTW, this will be my first attempt at making a gear.
Regards,
Brian