CHutchcroft
Plastic
- Joined
- Feb 25, 2020
- Location
- Florida, USA
So here’s the rub..
I’m going to make a new cross feed nut for my CK12. In fact I’m going to do both the cross slide and compound.
I disassembled both today to get some measurements and have a look at the shafts.
Cross Slide is 3/4-5 LH ACME
Compound is 1/2-10 RH ACME
Cross slide nut will be replaced by a new nut made from 954 Bronze.
I was able to order that and a correct tap from Mc Master.
Compound uses the Casting as the nut so I plan to drill and tap to 5/8-10 RH ACME.
I was able to get that tap also from Mac Master.
Now for the fun stuff!
The shaft for the compound and the cross need replacement.
I was able to order 3/4-5 LH ACME and 5/8-10 RH ACME precision ground rods 3’ long each.
So how should I splice this to the current shaft ends?
Drill and tap the existing shaft after parting off the old ACME and thread the ACME rods to engage with two cross drilled set screws?
I probably should just remake the entire shaft but with the trash slop I have the long ACME single point threading won’t end well.
Thoughts?
I’m going to make a new cross feed nut for my CK12. In fact I’m going to do both the cross slide and compound.
I disassembled both today to get some measurements and have a look at the shafts.
Cross Slide is 3/4-5 LH ACME
Compound is 1/2-10 RH ACME
Cross slide nut will be replaced by a new nut made from 954 Bronze.
I was able to order that and a correct tap from Mc Master.
Compound uses the Casting as the nut so I plan to drill and tap to 5/8-10 RH ACME.
I was able to get that tap also from Mac Master.
Now for the fun stuff!
The shaft for the compound and the cross need replacement.
I was able to order 3/4-5 LH ACME and 5/8-10 RH ACME precision ground rods 3’ long each.
So how should I splice this to the current shaft ends?
Drill and tap the existing shaft after parting off the old ACME and thread the ACME rods to engage with two cross drilled set screws?
I probably should just remake the entire shaft but with the trash slop I have the long ACME single point threading won’t end well.
Thoughts?
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