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GB1262664A - Method and apparatus for measuring a length with the aid of a magnetic field - Google Patents

Method and apparatus for measuring a length with the aid of a magnetic field

Info

Publication number
GB1262664A
GB1262664A GB1092369A GB1092369A GB1262664A GB 1262664 A GB1262664 A GB 1262664A GB 1092369 A GB1092369 A GB 1092369A GB 1092369 A GB1092369 A GB 1092369A GB 1262664 A GB1262664 A GB 1262664A
Authority
GB
United Kingdom
Prior art keywords
rolls
magnetic
carrier
probes
measuring
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
GB1092369A
Inventor
Guenther Alich
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
Priority to DE19671623127 priority Critical patent/DE1623127C3/en
Priority to CH1536968A priority patent/CH497683A/en
Application filed by Individual filed Critical Individual
Priority to GB1092369A priority patent/GB1262664A/en
Priority to DE19691949346 priority patent/DE1949346C3/en
Priority to BE740108D priority patent/BE740108A/xx
Priority to SE14045/69A priority patent/SE359644B/xx
Priority to FR6935036A priority patent/FR2020653A1/fr
Publication of GB1262664A publication Critical patent/GB1262664A/en
Priority to US370822A priority patent/US3902114A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • G01B7/06—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness
    • G01B7/10—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using magnetic means, e.g. by measuring change of reluctance
    • G01B7/107—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using magnetic means, e.g. by measuring change of reluctance for measuring objects while moving
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
    • B21B38/10—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring roll-gap, e.g. pass indicators
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/14—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring distance or clearance between spaced objects or spaced apertures

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Measuring Magnetic Variables (AREA)

Abstract

1,262,664. Measuring length electrically; measuring magnetic field strength. G. ALICH. Feb. 28, 1969, No. 10923/69. Heading G1N. The distance between two ferromagnetic rolls 1, 4 Fig. 2 is determined by producing a magnetic flux 11 in the space between the rolls, whose intensity is measured by magnetic resistive semiconductor elements 10<SP>1</SP>, 10<SP>11</SP> , and is indicative of the length of the space. The flux 11 is produced by an energized winding 9 on a core assembly 8 in contact with the rolls 1, 4 via poles 8<SP>1</SP> , 8<SP>11</SP>. The resistance of the elements 10<SP>1</SP> , 10<SP>11</SP> is compared in a bridge circuit 13 with that of two similar elements 12<SP>1</SP>, 12<SP>11</SP> located in the field produced by a winding 16 whose energizing current via is adjusted to balance the bridge. The probes 10<SP>1</SP> , 10<SP>11</SP> are located symmetrically with respect to the axial plane of the rolls 1, 4 so that small lateral displacements produce differential effects on their resistances and are thus automatically compensated. The probes 10<SP>1</SP>, 10<SP>11</SP> are mounted on a carrier 17 Fig. 5 with spring fork arms embracing the two rolls to make the carrier and the probes follow lateral displacements of the rolls relative to each other. The carrier 17 may incorporate a temperature sensitive resistor to compare the temperature with that of the other magnetic core 15. In another embodiment Fig. 9, the thickness of a non-magnetic wire or tape P is measured by its effect on the flux density in the gap between poles 34<SP>1</SP>, 35, as sensed by the probe 10, and compared with the flux density sensed by probe 12 in a similar arrangement with a standardized gap. The exciting windings for the two magnetic circuits are connected in series.
GB1092369A 1967-10-20 1969-02-28 Method and apparatus for measuring a length with the aid of a magnetic field Expired GB1262664A (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
DE19671623127 DE1623127C3 (en) 1967-10-20 1967-10-20 Arrangement for contactless electrical determination of the roll gap of rolling mills
CH1536968A CH497683A (en) 1967-10-20 1968-10-14 Measurement method and arrangement for determining lengths using magnetic fields
GB1092369A GB1262664A (en) 1967-10-20 1969-02-28 Method and apparatus for measuring a length with the aid of a magnetic field
DE19691949346 DE1949346C3 (en) 1967-10-20 1969-09-30 Arrangement for contactless electrical determination of the roll gap of rolling mills
BE740108D BE740108A (en) 1967-10-20 1969-10-10
SE14045/69A SE359644B (en) 1967-10-20 1969-10-13
FR6935036A FR2020653A1 (en) 1967-10-20 1969-10-13
US370822A US3902114A (en) 1967-10-20 1973-06-18 Method of and apparatus for measuring the distance between cooperating rollers of a rolling mill

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DEA0057147 1967-10-20
DE19671623127 DE1623127C3 (en) 1967-10-20 1967-10-20 Arrangement for contactless electrical determination of the roll gap of rolling mills
CH1536968A CH497683A (en) 1967-10-20 1968-10-14 Measurement method and arrangement for determining lengths using magnetic fields
GB1092369A GB1262664A (en) 1967-10-20 1969-02-28 Method and apparatus for measuring a length with the aid of a magnetic field

Publications (1)

Publication Number Publication Date
GB1262664A true GB1262664A (en) 1972-02-02

Family

ID=27429606

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1092369A Expired GB1262664A (en) 1967-10-20 1969-02-28 Method and apparatus for measuring a length with the aid of a magnetic field

Country Status (6)

Country Link
BE (1) BE740108A (en)
CH (1) CH497683A (en)
DE (2) DE1623127C3 (en)
FR (1) FR2020653A1 (en)
GB (1) GB1262664A (en)
SE (1) SE359644B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2029580A (en) * 1978-08-10 1980-03-19 Central Electr Generat Board Devices for detecting ferromagnetic particles in a liquid
US6183299B1 (en) 1998-05-29 2001-02-06 The Whitaker Corporation Automotive cellular phone connector assembly
EP2078464A2 (en) 2008-01-11 2009-07-15 International Tobacco Machinery Poland Sp. z o.o. Assembly for perforating rod-shaped elements, particurarly cigarettes

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2228336C2 (en) * 1972-06-10 1983-04-14 Vereinigte Flugtechnische Werke Gmbh, 2800 Bremen Rolling mill inductive roll gap sensor - using two=part inductances on both sides of the roll gap
FR2617279B1 (en) * 1987-06-29 1990-12-14 Ural I Trubnoi Promysh DEVICE FOR CONTROLLING THE POSITION OF THE ROLLERS OF A ROLLER
DE4141260A1 (en) * 1991-12-14 1993-06-17 Ibn Gmbh Dresden DEVICE FOR MEASURING THE CENTER DISTANCE OF ROLLS TO EACH OTHER

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2029580A (en) * 1978-08-10 1980-03-19 Central Electr Generat Board Devices for detecting ferromagnetic particles in a liquid
GB2029580B (en) * 1978-08-10 1983-06-15 Central Electr Generat Board Improvements in or relating to the collection and sensing of magnetic debris in lubricating oil and other liquids
US6183299B1 (en) 1998-05-29 2001-02-06 The Whitaker Corporation Automotive cellular phone connector assembly
EP2078464A2 (en) 2008-01-11 2009-07-15 International Tobacco Machinery Poland Sp. z o.o. Assembly for perforating rod-shaped elements, particurarly cigarettes
US8056567B2 (en) 2008-01-11 2011-11-15 International Tobacco Machinery SP. ZO.O. Assembly for perforating rod-shaped elements, particularly cigarettes
USRE44505E1 (en) 2008-01-11 2013-09-24 International Tobacco Machinery Sp. Z.O.O. Assembly for perforating rod-shaped elements, particularly cigarettes

Also Published As

Publication number Publication date
DE1623127A1 (en) 1970-10-29
FR2020653A1 (en) 1970-07-17
BE740108A (en) 1970-03-16
DE1949346B2 (en) 1977-07-14
DE1623127B2 (en) 1973-10-25
DE1949346C3 (en) 1978-03-09
SE359644B (en) 1973-09-03
DE1623127C3 (en) 1974-05-16
DE1949346A1 (en) 1970-09-24
CH497683A (en) 1970-10-15

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