Programmed contour copying machine

Details Programmed contour copying machine Programmed contour copying machine

1974-12-19

1976-06-01

Vlachos, Leonidas

Wood turning

Pattern section

Copying

142 3, 144 3R, 144 47, 144144R, 144144A, 90 134, 90 137, B23B 328, B27C 500

Patent

active

039601889

ABSTRACT:
A contour-copying machine in which a plurality or workpieces are spanned between headstocks and tailstocks and rotatable synchronously about respective parallel axes parallel to the rotation axis of a pattern with a feeler roller engaging the pattern and a plurality of tools linked to the feeler roller cutting the contour of the pattern into the workpieces is programmed so as separately to cut longitudinally extending planar surfaces in the workpieces and to form rounded contours along these workpieces. To this end the machine is indexed through a plurality of angular positions each corresponding to one of the planar surfaces and the pattern and workpieces are restrained from rotating as these longitudinally extending planar surfaces cut into them. Once all of the longitudinally extending planar surfaces are formed, the workpiece is rotated continuously and the tools cut the remaining rounded surfaces in these workpieces. Thus it is possible in one single device accurately to form a workpiece with perfectly planar flat surfaces and accurately contoured rounded surfaces.

REFERENCES:
patent: 2814237 (1957-11-01), Schmid
patent: 2854040 (1958-09-01), Gamboni

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