I have cored out several blanks ( 24 ) with the McNaughton tool with a laser light attachment starting with a screw chuck on what will be the top, made a tenon on the bottom that the jaws will clamp into, removed the screw, mounted the wood in the chuck, cored out a blank, mounted the core back on the screw, made another tenon etc. This method works better if you go for the big blank always because of where the laser shows up on the wood. If it matters the wood is Boxelder, a type of maple.
My questions are. Now that the wood is dry and oval how do I true up the tenon to twice turn it? Will I have enough hold to just put the oval tenon in the chuck? It is a dovetail about 1/8" deep. I have tried my vacuum and longworth chuck and neither one works to keep the blank very true. This is my first go at using a "clamp into" tenon for this. I usually use a "clamp on" tenon which is easy to true up between centers.
Ron
My questions are. Now that the wood is dry and oval how do I true up the tenon to twice turn it? Will I have enough hold to just put the oval tenon in the chuck? It is a dovetail about 1/8" deep. I have tried my vacuum and longworth chuck and neither one works to keep the blank very true. This is my first go at using a "clamp into" tenon for this. I usually use a "clamp on" tenon which is easy to true up between centers.
Ron
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