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MATH Formula for figuring 1000ths into degree's
- Thread starter irishwoodsman
- Start date
I forgot to add
On the setup I forgot to say I will also use the
tail stock dead center.......so the protractor is now between centers reading "0" on the
left and 180* on the tailstock, if not, move the crosslide in or out till it reads 0 and 180*,
then swivel the compound to check for concentricy just like dialing in a 4 jaw. No doubt
a test indicator can also be used dialing in the protractor. I guess after a perfect setup
you could glue or screw the protractor to the block if need be I choose not; fits in draw
better.
On the setup I forgot to say I will also use the
tail stock dead center.......so the protractor is now between centers reading "0" on the
left and 180* on the tailstock, if not, move the crosslide in or out till it reads 0 and 180*,
then swivel the compound to check for concentricy just like dialing in a 4 jaw. No doubt
a test indicator can also be used dialing in the protractor. I guess after a perfect setup
you could glue or screw the protractor to the block if need be I choose not; fits in draw
better.
GK1918
I like your approach on this, I have a Grizzly lathe that has the degree marks in the cross-slide on the operator side of the compound. The problem is at about 25 degrees, due to the width of the cross-side, I run out of marks, or the compound covers them. I currently fumble with a protractor.
Did that 1937 Hudson Terraplane have an electric shift on the steering column? A friend of mine had a 1935 Terraplne coupe during our teen years, -- many memories brought back, we skipped choir practice a lot. I think the Hudson cars were ahead of their time.
Have a good day
Ray
I like your approach on this, I have a Grizzly lathe that has the degree marks in the cross-slide on the operator side of the compound. The problem is at about 25 degrees, due to the width of the cross-side, I run out of marks, or the compound covers them. I currently fumble with a protractor.
Did that 1937 Hudson Terraplane have an electric shift on the steering column? A friend of mine had a 1935 Terraplne coupe during our teen years, -- many memories brought back, we skipped choir practice a lot. I think the Hudson cars were ahead of their time.
Have a good day
Ray
I find it so intriguing how many ways machinist comes up with ways to do things its truly fascinating but then again their machists, and i love hereing about the different ways to achieve the same outcome, awesome 
)mac
)mac