Grizzly G0709 threading problems

Mitch Alsup

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Nov 17, 2017
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When Keith Fenner redid his lead screws, he simply manufactured new ones.......made to fit perfectly, he also replaced 80% of a leadscrew !

The first of a 5 part series:
 

Earl

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Dec 13, 2011
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208
Only the threads are worn so I am only replacing the threaded part of the lead screw. The original lead screw is close to 5/8 and I am replacing the threads with 304 stainless. A bit smaller but I have it and I will make brass nuts that will fit inside a newly made steel nut. If I used 5/8 threaded rod, the brass nuts would not fit. I could have made new ones but I am lazy and dont have a gear cutter for it.
 

Earl

Active User
Registered
Joined
Dec 13, 2011
Messages
208
Only the threads are worn so I am only replacing the threaded part of the lead screw. The original lead screw is close to 5/8 and I am replacing the threads with 304 stainless. A bit smaller but I have it and I will make brass nuts that will fit inside a newly made steel nut. If I used 5/8 threaded rod, the brass nuts would not fit. I could have made new ones but I am lazy and dont have a gear cutter for it..
Got the left hand acme reamer today and started on my leadscrew project. If I like how this turns out, I will replace the brass insert shown on the new lead screw with bronze. I had no idea that bronze was so expensive. A 12 inch piece of 3/4 bronze is about $40 to $50. that nut on the left is the one that Grizzly sent me without the mounting screw hole. 40 bucks plus shipping. They are getting that one back.


new lead screw.jpg
 
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