Gallery, Projects and General > The Design Shop
Poor Man's Keyway Slotter
hophar:
I was just looking at an excellent post on making key slots...U-Tube
The guy simply drilled the base diameter with round bit and the hobbed the rest. It looks simple but then everything does until you try it.
hophar
madjackghengis:
Hi Fluxcored, I used my Logan lathe to "shape" a six slotted PTO dog clutch for my tractor some years ago, and took about a full day, and worked the lathe something hard, but it worked in heat treated machine steel, and it made the PTO work again. The picture you comment on right above this post is probably the best fast way to get it done right, with no load on the lathe, if you don't want to really do it right, and do the tooling to do it where it should be done, in the shaper designed for the job exactly. With the right tooling, it's a three minute job to put a keyway in a pulley with the shaper, and looking back, I could have spent half the time I did cutting the spline slots, making the tools for my shaper, and then spent twenty minutes getting the dog clutch machined, and still have the tooling to do the other fifteen similar jobs I've had to work around to get done, since then. Even the idea of using the top slide, with the screw removed and a lever added is a great idea I wish I'd seen before I went to work on that clutch dog. Mad Jack
John Hill:
--- Quote from: Darren on February 08, 2010, 03:36:09 PM ---Rob, your workshop always looks devoid of clutter :scratch:
Where are all the bits and bobs :coffee:
--- End quote ---
Umm, behind that bed sheet he keeps for photography? :scratch:
Rob.Wilson:
:lol: :lol: :lol: :lol: :lol: i will try harder to get more crap in the shots :lol: :lol: :lol: :lol: :lol:
Here is a few shots of my lathe slotter ,
This tool has come in very handly of late :D
Cheers Rob
Divided he ad:
That's one nice shiney bit of kit there Rob :headbang:
A quick question/statement (or two)...
I'm assuming that you have some form of indexer on the lathe spindle?
I'm also assuming that without going to all the effort to make an indexer for the lathe this could be done with a rotary table and the slotter unit on a mill table?
Cause I can make the unit easily enough, but all the time lathe converting/making indexing plates would crash this idea as "fun" for me! (distinct lack of free time at the mo'!)
Of course I'm not fully aware of the pressures involved, I can guess from the length of the lever, but having never tried it... It might move the RT if the cut is too deep?
Just a few thoughts going through my head :scratch:
Ralph.
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