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Woodturning (rec.crafts.woodturning) To discuss tools, techniques, styles, materials, shows and competitions, education and educational materials related to woodturning. All skill levels are welcome, from art turners to production turners, beginners to masters. |
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A question re eccentricity (re the blank, not the turner)
I'm wondering about making a simple device for holding blanks with
adjustable and repeatable eccentricity. Consider cutting a 2 in. length of 4 in. diameter steel or aluminum bar into two halves at an angle like a large set of wobble washers used in cutting dados. One half to be a faceplate with an angled face. The other half to hold the blank as a rotatable faceplate ring. Armchair machining is confusing, so would some engineer-turner or maybe somebody who uses wobble washers please explain, so I don't waste time. As the angle-faced ring is rotated on the angle-faced faceplate, does the angle of a blank fixed to the ring increase from in-line (axial) to maximum at 90 deg. then back to axial with further rotation? IOW, does 90 deg. provide all the adjustable eccentricity I can expect? Will this work? Has some turner already tried and used it? Who? Where? Why? TIA, Arch Fortiter, http://community.webtv.net/almcc/MacsMusings |
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