GB1396061A - Control circuits - Google Patents

Control circuits

Info

Publication number
GB1396061A
GB1396061A GB2736673A GB2736673A GB1396061A GB 1396061 A GB1396061 A GB 1396061A GB 2736673 A GB2736673 A GB 2736673A GB 2736673 A GB2736673 A GB 2736673A GB 1396061 A GB1396061 A GB 1396061A
Authority
GB
United Kingdom
Prior art keywords
valve
port
spool
cylinder
flow
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
GB2736673A
Other languages
English (en)
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.)
Cudnohufsky S R
Original Assignee
Cudnohufsky S R
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 Cudnohufsky S R filed Critical Cudnohufsky S R
Publication of GB1396061A publication Critical patent/GB1396061A/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
    • B23Q35/00—Control systems or devices for copying directly from a pattern or a master model; Devices for use in copying manually
    • B23Q35/04—Control systems or devices for copying directly from a pattern or a master model; Devices for use in copying manually using a feeler or the like travelling along the outline of the pattern, model or drawing; Feelers, patterns, or models therefor
    • B23Q35/08—Means for transforming movement of the feeler or the like into feed movement of tool or work
    • B23Q35/18—Means for transforming movement of the feeler or the like into feed movement of tool or work involving fluid means

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Machine Tool Copy Controls (AREA)
GB2736673A 1972-06-12 1973-06-08 Control circuits Expired GB1396061A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00261591A US3820439A (en) 1972-06-12 1972-06-12 Tracer control circuit for machine tools

Publications (1)

Publication Number Publication Date
GB1396061A true GB1396061A (en) 1975-05-29

Family

ID=22993982

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2736673A Expired GB1396061A (en) 1972-06-12 1973-06-08 Control circuits

Country Status (5)

Country Link
US (1) US3820439A (de)
JP (1) JPS4950582A (de)
CA (1) CA966758A (de)
DE (1) DE2329420C3 (de)
GB (1) GB1396061A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111577708A (zh) * 2020-04-27 2020-08-25 中联重科股份有限公司 液压油缸活塞行程控制方法、设备、系统及液压机械
US11624447B2 (en) 2019-05-13 2023-04-11 Boston Dynamics, Inc. Rotary valve assembly

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS551788Y2 (de) * 1975-04-30 1980-01-18
US4593586A (en) * 1984-06-07 1986-06-10 Programmable Tracing Incorporated Tracer control circuit for machine tools
KR100668095B1 (ko) * 2003-02-28 2007-01-15 씨엠엘 인터내셔널 에스. 피. 에이. 공작기계 슬라이더를 양방향으로 선형 구동하는 유압회로
CN112664514A (zh) * 2020-12-25 2021-04-16 杭州职业技术学院 一种举升机水平检测与控制系统、装置及其存储介质

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3104591A (en) * 1961-12-14 1963-09-24 Sylvester R Cudnohufsky Tracer control circuit for machine tools

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11624447B2 (en) 2019-05-13 2023-04-11 Boston Dynamics, Inc. Rotary valve assembly
CN111577708A (zh) * 2020-04-27 2020-08-25 中联重科股份有限公司 液压油缸活塞行程控制方法、设备、系统及液压机械
CN111577708B (zh) * 2020-04-27 2022-05-20 中联重科股份有限公司 液压油缸活塞行程控制方法、设备、系统及液压机械

Also Published As

Publication number Publication date
CA966758A (en) 1975-04-29
DE2329420B2 (de) 1981-01-08
DE2329420A1 (de) 1974-01-03
JPS4950582A (de) 1974-05-16
DE2329420C3 (de) 1981-09-10
US3820439A (en) 1974-06-28

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee