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jack plane
noun
- a plane for rough surfacing.
jack plane
noun
- a carpenter's plane, usually with a wooden body, used for rough planing of timber
Word History and Origins
Origin of jack plane1
Example Sentences
“A Lie-Nielsen low-angle jack plane to make boards perfectly flat.”
Planes.—For roughing out the work the jack plane is employed, varying in size from 14 inches long with a cutter knife or blade 2 inches wide, to 27 long with a blade 21⁄4 inches wide, and as its purpose is to make a flat surface, it is preferable that it be as long as the work will conveniently permit.
The jack plane is followed by the fore plane, the truing, or trying plane, which varies in size from about 18 inches long with a blade 21⁄8 inches wide, to 20 inches long with a cutter or blade 23⁄8 inches wide.
The blade of a jack plane is most efficient when it is ground well away towards the corners, as at a b in Fig.
In using a jack plane we commence each stroke by exerting a pressure mostly on the fore part of the plane, commencing at the end and towards the edge of the board, and taking off a shaving as long as the arms can conveniently reach.
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