BR7701217A - Medidor de dureza,sistema rockwell - Google Patents

Medidor de dureza,sistema rockwell

Info

Publication number
BR7701217A
BR7701217A BR7701217A BR7701217A BR7701217A BR 7701217 A BR7701217 A BR 7701217A BR 7701217 A BR7701217 A BR 7701217A BR 7701217 A BR7701217 A BR 7701217A BR 7701217 A BR7701217 A BR 7701217A
Authority
BR
Brazil
Prior art keywords
hardness meter
rockwell
rockwell system
hardness
meter
Prior art date
Application number
BR7701217A
Other languages
English (en)
Inventor
A Ernst
Original Assignee
A Ernst
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 claimed from CH252776A external-priority patent/CH590470A5/xx
Priority claimed from CH252676A external-priority patent/CH594879A5/xx
Application filed by A Ernst filed Critical A Ernst
Publication of BR7701217A publication Critical patent/BR7701217A/pt

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/40—Investigating hardness or rebound hardness
    • G01N3/42—Investigating hardness or rebound hardness by performing impressions under a steady load by indentors, e.g. sphere, pyramid
    • G01N3/44—Investigating hardness or rebound hardness by performing impressions under a steady load by indentors, e.g. sphere, pyramid the indentors being put under a minor load and a subsequent major load, i.e. Rockwell system
    • 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
    • B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
    • B23Q17/20—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring workpiece characteristics, e.g. contour, dimension, hardness

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)
  • Support Of The Bearing (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
BR7701217A 1976-03-01 1977-02-28 Medidor de dureza,sistema rockwell BR7701217A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH252776A CH590470A5 (pt) 1976-03-01 1976-03-01
CH252676A CH594879A5 (pt) 1976-03-01 1976-03-01

Publications (1)

Publication Number Publication Date
BR7701217A true BR7701217A (pt) 1977-10-18

Family

ID=25690670

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7701217A BR7701217A (pt) 1976-03-01 1977-02-28 Medidor de dureza,sistema rockwell

Country Status (6)

Country Link
US (1) US4107978A (pt)
JP (1) JPS52117183A (pt)
BR (1) BR7701217A (pt)
ES (1) ES226653Y (pt)
FR (1) FR2343240A1 (pt)
GB (1) GB1566492A (pt)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988000691A1 (en) * 1986-07-10 1988-01-28 Commonwealth Scientific And Industrial Research Or Penetrating measuring instrument
AU604253B2 (en) * 1986-07-10 1990-12-13 Commonwealth Scientific And Industrial Research Organisation Penetrating measuring instrument
DE3737461C2 (de) * 1987-11-05 1997-06-19 Helmut Fischer Gmbh & Co Führungsvorrichtung für einen Prüfkörper eines Härtemeßgerätes
US20090107221A1 (en) * 2004-07-02 2009-04-30 Alfred Ernst Hardness tester with indenter of hard metal or compound and oscillating crown for testing at high load and method of comparative assesment of the hardness/depth profile
CN102213663B (zh) * 2011-04-03 2013-12-11 吉林市江机民科实业有限公司 金属洛氏硬度计测深装置检定仪
DE102013015685A1 (de) * 2013-09-23 2015-03-26 Man Diesel & Turbo Se Werkzeugmaschine
CN106990008A (zh) * 2017-03-02 2017-07-28 吉林市江机民科实业有限公司 洛氏硬度计直接检验法专用检定仪
US11243154B2 (en) 2019-10-22 2022-02-08 Irvin Automotive Products, LLC Foam displacement indicator

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1661718A (en) * 1927-02-02 1928-03-06 Donald C Davis Hardness-testing device
US2804769A (en) * 1955-07-29 1957-09-03 Clark Instr Company Hardness tester work piece clamping means
US3182491A (en) * 1959-11-13 1965-05-11 Tschirf Ludwig Rockwell hardness testing apparatus
US3200640A (en) * 1960-11-09 1965-08-17 Ernst Alfredo Hardness measuring apparatus, operated by a single compressive motion
JPS4959690A (pt) * 1972-10-05 1974-06-10
US3965727A (en) * 1974-10-17 1976-06-29 Argabrite George A Hardness testing instrument

Also Published As

Publication number Publication date
FR2343240A1 (fr) 1977-09-30
US4107978A (en) 1978-08-22
GB1566492A (en) 1980-04-30
JPS5759489B2 (pt) 1982-12-15
FR2343240B1 (pt) 1980-01-04
ES226653U (es) 1977-04-16
ES226653Y (es) 1977-08-16
JPS52117183A (en) 1977-10-01

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