I completely understand the amount of time needed between turnings of maple shafts. What I would like to know is how much time should be left between turnings when turning down laminated maple or pie piece glued up shafts. I know wood still moves after being glued, but not as much. Please enlighten me as to how long some of you wait.
shaft turning
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The answer is zero. Why zero ? Think of the differences btwn your examples.
A single solid pc of wood MAY have internal stress and a little memory.
That can result in warp as the shaft's diameter is reduced.
Slice, dice and cut that wood into 10, 16, 32 or even 60 pcs.
Re-orientate the grain and glue it all back together.
It no longer has memory or over-powering stress. It's been neutralized.
A single solid pc of wood MAY have internal stress and a little memory.
That can result in warp as the shaft's diameter is reduced.
Slice, dice and cut that wood into 10, 16, 32 or even 60 pcs.
Re-orientate the grain and glue it all back together.
It no longer has memory or over-powering stress. It's been neutralized.
That's exactly what I was thinking, but I just wanted to be sure. I'm a carpenter and cabinet maker by trade. When we do anything with solid wood, we always rip it to 3-4" strips and glue it back together alternating the cup of the grain. This is how I was taught in shop class and by an old German trim carpenter. I've never had a panel fail me using this method.
Thanks for your help. I learned a long time ago assumptions are the mother of all screw ups.
Thanks for your help. I learned a long time ago assumptions are the mother of all screw ups.
I have turned shafts over a 1 year period and I have turned shafts from blanks I have just received in the mail................. they all stay straight if you buy from reputable sources..........
I have had to replace 1 shaft in 6 years out of about 250.............
Kim
I have had to replace 1 shaft in 6 years out of about 250.............
Kim
deleted... wrong thread.
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