GB531257A - Method of and means for hydraulically operating machine tools and other mechanical appliances - Google Patents

Method of and means for hydraulically operating machine tools and other mechanical appliances

Info

Publication number
GB531257A
GB531257A GB1836539A GB1836539A GB531257A GB 531257 A GB531257 A GB 531257A GB 1836539 A GB1836539 A GB 1836539A GB 1836539 A GB1836539 A GB 1836539A GB 531257 A GB531257 A GB 531257A
Authority
GB
United Kingdom
Prior art keywords
tool
slide
speed
bell
crank
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
GB1836539A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB1836539A priority Critical patent/GB531257A/en
Publication of GB531257A publication Critical patent/GB531257A/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
    • B23Q5/26—Fluid-pressure drives
    • B23Q5/266—Fluid-pressure drives with means to control the feed rate by controlling the fluid flow
    • 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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
    • F15B11/046—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed depending on the position of the working member
    • F15B11/048—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed depending on the position of the working member with deceleration control

Landscapes

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

Abstract

531,257. Hydraulic transmission of power. FITZJOHN, A. P. June 23, 1939, No. 183651 [Class 69 (ii)] A hydraulically-operated machine-tool-slide or the like and a speed-controlling throttle-valve therefor have co-operating parts, and are so arranged that the speed of the tool-slide is reduced during part of the forward stroke, and is normal during the completion of the forward stroke and the whole of the return stroke. In the apparatus shown in Figs. 1 and 2, a toolslide 17 is formed with a cylinder 30 containing a stationary piston 31 which is mounted on a bed 16 formed with passages 32, 34, the passage 32 communicating with a passage 33 through the piston. The passages 32, 34 communicate with a distributing-valve and a rotary plug-cock 18 which is formed with a through-port 19 and a peripheral throttle-port 32 for connecting ports 20, 21 in a housing 15 on the bed 16. A bellcrank 24 on the plug is arranged in the path of a pawl 28 pivoted on an adjustable support 29 on the tool-slide. When liquid is directed into the passage 32 or 34, the tool-slide is fed towards the right or returned towards the left, and exhaust takes place through the passage 34 or 32, respectively. In the initial part of the feedstroke, the port 19 connects the ports 20, 21, and the tool-slide is fed at normal speed. When the pawl rocks the bell-crank, the plug is turned, the throttle-port 22 connects the ports 20, 21, and the speed of the tool-slide is reduced. When the pawl releases the bell-crank, a spring 25 returns the bell-crank and plug, and the tool-slide travels slightly further at normal speed. The tool-slide returns at normal speed, since the pawl rides idly over the bell-crank.
GB1836539A 1939-06-23 1939-06-23 Method of and means for hydraulically operating machine tools and other mechanical appliances Expired GB531257A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1836539A GB531257A (en) 1939-06-23 1939-06-23 Method of and means for hydraulically operating machine tools and other mechanical appliances

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1836539A GB531257A (en) 1939-06-23 1939-06-23 Method of and means for hydraulically operating machine tools and other mechanical appliances

Publications (1)

Publication Number Publication Date
GB531257A true GB531257A (en) 1941-01-01

Family

ID=10111220

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1836539A Expired GB531257A (en) 1939-06-23 1939-06-23 Method of and means for hydraulically operating machine tools and other mechanical appliances

Country Status (1)

Country Link
GB (1) GB531257A (en)

Similar Documents

Publication Publication Date Title
ES385618A1 (en) Distributor for hydraulic motors
ES332051A1 (en) A hydraulic engine. (Machine-translation by Google Translate, not legally binding)
GB1492155A (en) Hydraulic system including a plurality of hydraulic motor
GB759235A (en) Improvements in pressure medium actuated pistons
GB1363880A (en) Fluid-pressure follow-up control apparatus
GB531257A (en) Method of and means for hydraulically operating machine tools and other mechanical appliances
ES408389A1 (en) Hydraulic motors
ES242831U (en) Brake valve
SE8100352L (en) MANUAL DEVICE FOR MASS MOVING MACHINES AND SIMILAR
GB1499061A (en) Rotary positive-displacement fluid machines
GB507881A (en) Improvements in or relating to hydraulic shaping machines or other machine tools
GB1499296A (en) Rotary fluid-machine
ES181114U (en) Perfected gas faucet. (Machine-translation by Google Translate, not legally binding)
ES405746A1 (en) Improvements in fluid valve means having a differential piston associated with a dead body
GB1239955A (en) Improvements in or relating to rotary machines
ES425978A1 (en) Hydraulic piston machines
CA675572A (en) Pilot operated tracer valve for machine tools
ES414416A1 (en) Improvements introduced in a hydraulic machine of the type of motor or pump. (Machine-translation by Google Translate, not legally binding)
AU282387B2 (en) Improvements in or relating to fluid operated rotary radial piston machines
ES216655A3 (en) Improvements in gear speed changes, especially for machines-tools (Machine-translation by Google Translate, not legally binding)
ES435614A1 (en) Improvements in rotary cultivating machines. (Machine-translation by Google Translate, not legally binding)
GB531313A (en) Improvements in and relating to hydraulically operated machine tools and other mechanical appliances
ES209819U (en) Machine-perfected tool. (Machine-translation by Google Translate, not legally binding)
AU3176163A (en) Improvements in or relating to fluid operated rotary radial piston machines
ES206126A1 (en) A box of distribution and change of comprehension for steam machines (Machine-translation by Google Translate, not legally binding)