GB1123679A - Improvements in fluid pressure operated actuators - Google Patents

Improvements in fluid pressure operated actuators

Info

Publication number
GB1123679A
GB1123679A GB3512165A GB3512165A GB1123679A GB 1123679 A GB1123679 A GB 1123679A GB 3512165 A GB3512165 A GB 3512165A GB 3512165 A GB3512165 A GB 3512165A GB 1123679 A GB1123679 A GB 1123679A
Authority
GB
United Kingdom
Prior art keywords
cylinder
actuators
actuator
aug
fluid pressure
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
GB3512165A
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of GB1123679A publication Critical patent/GB1123679A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/28—Means for indicating the position, e.g. end of stroke
    • F15B15/2892—Means for indicating the position, e.g. end of stroke characterised by the attachment means
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D3/00—Control of position or direction
    • G05D3/12—Control of position or direction using feedback
    • G05D3/14—Control of position or direction using feedback using an analogue comparing device

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Actuator (AREA)
  • Fluid-Pressure Circuits (AREA)

Abstract

1,123,679. Machine tool details. ROBERT BOSCH G.m.b.H. 17 Aug., 1965 [17 Aug., 1964], No. 35121/65. Headings B3B and B3T. [Also in Divisions F1 and G1] In machine tools in which fluid pressure operated actuators are controlled in a predetermined sequence to move tools or transport workpieces to successive machining stations, each actuator comprises a piston 4 of ferromagnetic material slidable in an aluminium cylinder 1 having a pair of longitudinally adjustable electromagnetic transducers (see Division G1) mounted in housings 48 clamped to the exterior thereof, whereby each transducer emits a considerably increased electrical signal when thepiston is in alignment therewith for causing operation of solenoid valves controlling the sequential operation of the actuators. Each end of the cylinder 1 is closed by a cover 13 or 14 secured in position by bolts 26 passing through bores 25 therein into threaded bores 24 provided in a sleeve 21 surrounding the cylinder 1 and prevented from sliding in one direction therealong by half rings 20 fitted into an external annular groove in the cylinder 1. The actuator may be mounted on pedestals 41, 42 clamped to bosses 43, 44 provided on the covers 13, 14. A pneumatic circuit, Fig. 3 (not shown), is described in which two actuators are arranged to operate in a predetermined sequence by applying the electrical signals derived from each transducer to a control box containing amplifiers and memories which cause predetermined operation of a pair of solenoid operated reversing valves controlling the supply of gas to each actuator.
GB3512165A 1964-08-17 1965-08-17 Improvements in fluid pressure operated actuators Expired GB1123679A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB0078129 1964-08-17

Publications (1)

Publication Number Publication Date
GB1123679A true GB1123679A (en) 1968-08-14

Family

ID=6979743

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3512165A Expired GB1123679A (en) 1964-08-17 1965-08-17 Improvements in fluid pressure operated actuators

Country Status (2)

Country Link
DE (1) DE1438940A1 (en)
GB (1) GB1123679A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0093859A2 (en) * 1982-04-02 1983-11-16 Robert Bosch Gmbh Piston for the contactless sensing of the piston position
EP0191924A1 (en) * 1985-01-24 1986-08-27 Robert Bosch Gmbh Device to fit an instrument
FR2664946A1 (en) * 1990-07-03 1992-01-24 Festo Kg Driving thrust cylinder

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0093859A2 (en) * 1982-04-02 1983-11-16 Robert Bosch Gmbh Piston for the contactless sensing of the piston position
EP0093859A3 (en) * 1982-04-02 1986-10-29 Robert Bosch Gmbh Piston for the contactless sensing of the piston position
EP0191924A1 (en) * 1985-01-24 1986-08-27 Robert Bosch Gmbh Device to fit an instrument
FR2664946A1 (en) * 1990-07-03 1992-01-24 Festo Kg Driving thrust cylinder

Also Published As

Publication number Publication date
DE1438940A1 (en) 1970-09-17

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