Apparatus for automatic joint machining in heavily thick cylinde

Details Apparatus for automatic joint machining in heavily thick cylinde Apparatus for automatic joint machining in heavily thick cylinde

1978-10-24

1980-10-28

Smith, Gary L.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

511659, 5116593, 15 58, 151041C, B24B 540

Patent

active

042299080

ABSTRACT:
The apparatus carried by a suitable handling device, and comprising a first base structure attached to the handling device and provided with vertical guides for the sliding of a first carriage, a second base structure attached to said carriage and provided with horizontal guides for the sliding of a second carriage, and an operating head carried by the second carriage through a hydropneumatic device comprising at least one double-acting penumatic cylinder for supporting said head and having its axis vertically arranged, and a hydraulic damper connected between said second carriage and operating head, the lower chamber of the operating head supporting pneumatic cylinder being supplied with a first value of pressure as to cause a fast lifting of said head, while the upper chamber of the pneumatic cylinder is supplied with a value of pressure at a lower level as to annul the upward thrust, at the same time supplying said operating head with a downward operative thrust of a constant value.

REFERENCES:
patent: 2243405 (1941-05-01), Wine
patent: 2558943 (1951-07-01), Ellison
patent: 2558983 (1951-07-01), Roberts
patent: 2600481 (1952-06-01), Clyde
patent: 2694278 (1954-11-01), Anderson
patent: 2828586 (1958-04-01), List et al
patent: 3992818 (1976-11-01), Clausen
patent: 4094102 (1978-06-01), Lauze

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