GB288754A - Improvements relating to fluid operated sliding mechanisms - Google Patents

Improvements relating to fluid operated sliding mechanisms

Info

Publication number
GB288754A
GB288754A GB2445/27A GB244527A GB288754A GB 288754 A GB288754 A GB 288754A GB 2445/27 A GB2445/27 A GB 2445/27A GB 244527 A GB244527 A GB 244527A GB 288754 A GB288754 A GB 288754A
Authority
GB
United Kingdom
Prior art keywords
piston
cylinder
nut
motor
volume
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB2445/27A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
James Archdale and Co Ltd
Original Assignee
James Archdale and Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by James Archdale and Co Ltd filed Critical James Archdale and Co Ltd
Priority to GB2445/27A priority Critical patent/GB288754A/en
Publication of GB288754A publication Critical patent/GB288754A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/22—Feeding members carrying tools or work
    • B23Q5/34—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
    • B23Q5/36—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission in which a servomotor forms an essential element

Abstract

288,754. Wright, I. H., and Archdale &. Co., Ltd., J. Jan. 27, 1927. Driving machines. - In fluid-operated sliding mechanism such as the parts of machine tools, means are provided for obtaining uniform motion against a variable resistance, said means including screw and nut or like irreversible mechanism. In the! form shown in Fig. 1, the sliding member i is operated by the piston o of a hydraulic cylinder in circuit with a reversible pump h. A nut c, arranged between thrust bearings d, is mounted on the screwed piston a, and rotated from a hydraulic motor f; the volume of liquid passed through the motor is slightly less than that required by the cylinder, the motor tends to rotate the nut at a speed slightly in excess of that corresponding to the piston movement, automatic valves m, s or a differential valve are provided for the passage of extra liquid to and from the cylinder, and the piston o may be mounted to have a slight amount of lost motion. In a modification, the cylinder may reciprocate on a fixed piston. In another form, the volume of liquid passed through the motor is slightly greater than the cylinder volume, the nut tends to be rotated at a speed slightly less than that corresponding to the piston movement, and the differential valve shown in Fig. 4 is employed.
GB2445/27A 1927-01-27 1927-01-27 Improvements relating to fluid operated sliding mechanisms Expired GB288754A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2445/27A GB288754A (en) 1927-01-27 1927-01-27 Improvements relating to fluid operated sliding mechanisms

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2445/27A GB288754A (en) 1927-01-27 1927-01-27 Improvements relating to fluid operated sliding mechanisms

Publications (1)

Publication Number Publication Date
GB288754A true GB288754A (en) 1928-04-19

Family

ID=9739694

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2445/27A Expired GB288754A (en) 1927-01-27 1927-01-27 Improvements relating to fluid operated sliding mechanisms

Country Status (1)

Country Link
GB (1) GB288754A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2477108A (en) * 1944-09-13 1949-07-26 Linde Air Prod Co Blowpipe machine speed control mechanism
US2710494A (en) * 1951-08-04 1955-06-14 Norton Co Grinding machine
US3026850A (en) * 1959-07-17 1962-03-27 Coleman Engineering Company In Fail-safe control for fluid pressure actuators
US3205781A (en) * 1962-03-12 1965-09-14 Bridgeport Machines Automatic pick-feed attachment
DE1244362B (en) * 1964-05-08 1967-07-13 Costain Ltd Richard Hydraulic lifting cylinder
DE3210214A1 (en) * 1982-03-19 1983-09-29 Supfina Maschinenfabrik Hentzen GmbH & Co KG, 5630 Remscheid Apparatus for the infeed and feed of a tool to a workpiece

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2477108A (en) * 1944-09-13 1949-07-26 Linde Air Prod Co Blowpipe machine speed control mechanism
US2710494A (en) * 1951-08-04 1955-06-14 Norton Co Grinding machine
US3026850A (en) * 1959-07-17 1962-03-27 Coleman Engineering Company In Fail-safe control for fluid pressure actuators
US3205781A (en) * 1962-03-12 1965-09-14 Bridgeport Machines Automatic pick-feed attachment
DE1244362B (en) * 1964-05-08 1967-07-13 Costain Ltd Richard Hydraulic lifting cylinder
DE3210214A1 (en) * 1982-03-19 1983-09-29 Supfina Maschinenfabrik Hentzen GmbH & Co KG, 5630 Remscheid Apparatus for the infeed and feed of a tool to a workpiece

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