How do I cut this slot?

[finsruskw]

Well so far so good guess.
Made a couple goofs but nothing I could not fix such as cutting the big hole TOO big, GRRRR
And drilling the hole for the threads the wrong size which required going with 3/8" instead 5/16" the print calls for.
Still have to cut the flats and make the cap.
Overall a journey up the learning curve today in the shop.
Don't see how this could be done with out flipping the part at least once

 

[MikeInOr]

How many of these do you have slit? If you have a bunch of them I would setup a simple jig to hold a half dozen of them at once and just go down the line of them with the slitting saw.

 

[Cadillac]

You could do that whole part in one setup except face the end to clean up after cutting off.

 

[finsruskw]

How then do I bore the 1"in the other end hole after turning the 2 steps?

 

[jwmelvin]

How then do I bore the 1"in the other end hole after turning the 2 steps?

I believe he’s suggesting holding from the shank end. Drill and bore the end. Turn the reduced shank. Part off.

The potential issue with that approach, I would have thought, is the excessive stick out when boring. I guess you could set up a steady rest?

 

[finsruskw]

Lot of weight in a piece of 1.5" CRS sticking out there
I only have a SB 9A w/a small spindle and no steady rest.
Thanks for the reply!
Anyway, I'm happy w/what I have so far.
Runout may be an issue though
Film at eleven! Ha Ha!!

 

[jwmelvin]

When I made mine, I cut the shank, then dialed that in with the 4-jaw before making the end bore. I think my issue is more with the cap piece being slightly too small but I’d have to investigate further to be sure. I might try making the next one in a single setup to see how it goes.

 

[Cadillac]

Arbor side Closest to chuck. Use a live center for all ruff turning. Once turned remove center, bore to spec, then cutoff.

 

[mmcmdl]

Should've posted this awhile back . For one off jobs it's very easy to cut a slot with a boring bar also . Grind up an 1/8" HSS bit into an .090 parting tool and mount it in a bar at 90 degrees . Basic fly cutter that will slot .

 

[jwmelvin]

Basic fly cutter that will slot .

Thanks for pointing that out Dave. Good idea and certainly plenty of room for swarf without clogging the gullets.