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Darn, super info with the drawing, just wish you were sending this to me!
We have a bit of real estate to cover between Alaska and Wisconsin.......
I did considerable research to find a reputable way grinder close to Alaska and the best I could do was Schaffer Grinding in Montebello CA.
To do this job right if I were to do it I would be grinding 11 surfaces. I don't know why you would not want to grind the tail stock surfaces in the first case. Second reason I grind more surfaces is when you go to align the saddle having some straight edges, the sides of the ways, helps out and since the lathe bed is already on the machine it does not take much more time, but helps in alignment.
I have to think they are going to spend at lease 6-8 hours on this. Even at the low end of 6 hrs making $80/ hr on a way grinder is pretty light.
Have you used this company? Their just down the street, very comprehensive equipment list
I have not used them but they did ask me for a reference on who to rebuild magnetic chucks so we had some back and forth.
I love your drawing with measurements so you know how much they grind off.
Rich
I do not think these measurements are accurate enough to be of any help in that regard
Also one of the important ones is missing The possition of the front V-way is not determened
Thats very hard to determen anyhow IMHO Possible but hard
Peter
I am complimenting his drawing. He is a very smart guy and I encourage people to be a detective and measure before sending out the plan marking where you want it ground. Ron can call the grinding company and refer to the drawing and make sense in the conversation with the grinding shop 2000 miles away. Nothing wrong with his drawing!
He may have another drawing with more precise measurements.
Sending a lathe bed out to get it ground with-out taking measurement in my opinion is stupid and your looking for trouble. Why do some always look for something negative to say when we discuss positive things?
He said the ways are only worn .010, so if hard ways are worn .010" then the softer ways are probably worn .020 the alignment of the rack pinion and feed shafts are fixed. I am assuming he will apply Turcite or Rulon as this will make it a better then new machine. Making a smaller cross feed gear is not the way to compensate for the lowering of the saddle. I have never heard of a professional doing this.
Some machines have a camshaft on that gear, but lowering .030" and not bringing it back to the original height will make the feed shafts bind. As I said I use plastic shims or Rulon shims under the saddle to get the alignment before gluing and final assembly.
As I said there are rules we follow or steps we follow. Ron is a retired Journeyman Machinist and inventor, not some rookie. He doesn't need a lot of help here. Lets let him show us what he will do on his lathe rebuild. Rich
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