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Thread indicator

G

glenhw

Member
I just picked up a myford ml7 but it had a no thread indicator so i started building one cut the gear today my fist atemt at one ground a single point cutter and mounted in a piece of 1/2 in stock
I think it turned out ok
20220805_191951.jpg
20220805_191955.jpg
 
I drilled and tapped a 1/4 20 hole in the end of a 1/2 in stainless rod then milled a flat spot and drilled a hole through to take the cutter
Not sure if this is the best way but i dont have invalute cutters yet
Not perfect but seems to turn on the lead screw nicely
20220805_195514.jpg
20220805_195517.jpg
 
Well done! How did you dish the top of the teeth?

I'll be watching this thread.....
 
Last edited:
glenhw said:
I just picked up a myford ml7 but it had a no thread indicator so i started building one cut the gear today my fist atemt at one ground a single point cutter and mounted in a piece of 1/2 in stock
I think it turned out ok
Click to expand...

Beauty! Well done!
 
Do you have a set of plans or drawing showing how to time this threading indicator?
 
What is the tpi of the myford leadscrew? My Southbend is 8tpi. If yours is the same I can find the instructions. The SB uses a 32 tooth gear but conceptually they would work with a 16 tooth gear.
 
Johnwa said:
What is the tpi of the myford leadscrew? My Southbend is 8tpi. If yours is the same I can find the instructions. The SB uses a 32 tooth gear but conceptually they would work with a 16 tooth gear.
Click to expand...
8tpi i went with 16 just because that what the factory one is
 
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