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US 4,478,120 AGranted
Metal-sawing machine
AssigneeDaito Seiki Co., Ltd.
InventorTadahiro Sugimoto
Life of this patent
Estimating the term…
Abstract
A metal-sawing machine includes a rocking system whereby the saw blade is enabled to rock in a cutting plane in which the work is cut, wherein the rocking motion is controlled so as to conform to the cutting stroke, which is determined in accordance with the shape and size of the work. The machine ensures that the rocking motion of the saw blade fully participates in cutting the work unlike the known metal-sawing machines in which the rocking motion is partially wasted in cutting "air".
Claims5
A metal-sawing machine for cutting a work in a rocking motion of the saw blade, which machine comprises:
- a guide frame vertically movable with respect to a work placed on the bed;
- a vise for holding said work, said vise including a fixed jaw and a movable jaw;
- a saw carrier including a pair of saw wheels on which an endless saw blade is carried so as to run in a loop around said wheels;
- a first means for enabling said saw carrier to rock in a cutting plane in which said saw blade cuts said work;
- a second means for measuring the amount of said rocking motion of said saw carrier;
- a third means for measuring the height of said guide frame or said saw carrier;
- an input unit for inputting the shape and size of said work;
- and
- an arithmetic for calculating the turning points at which said saw blade turns the directions of its rocking motion, thereby ensuring that the rocking range of said saw blade changes in accordance with the shape and size of the work.
6 more elements
Dependencies are inferred from the claim text.