DE2260614B2 - Härteprüfmaschine nach dem Vorlastverfahren nach Rockwell - Google Patents
Härteprüfmaschine nach dem Vorlastverfahren nach RockwellInfo
- Publication number
- DE2260614B2 DE2260614B2 DE2260614A DE2260614A DE2260614B2 DE 2260614 B2 DE2260614 B2 DE 2260614B2 DE 2260614 A DE2260614 A DE 2260614A DE 2260614 A DE2260614 A DE 2260614A DE 2260614 B2 DE2260614 B2 DE 2260614B2
- Authority
- DE
- Germany
- Prior art keywords
- testing machine
- hardness testing
- machine according
- main load
- loading lever
- 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.)
- Pending
Links
- 238000007542 hardness measurement Methods 0.000 title claims description 29
- 230000036316 preload Effects 0.000 title claims description 10
- 238000000034 method Methods 0.000 title claims description 4
- 238000012360 testing method Methods 0.000 claims description 12
- 230000035515 penetration Effects 0.000 claims description 10
- 230000000630 rising effect Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000005286 illumination Methods 0.000 claims 1
- 210000003128 head Anatomy 0.000 description 12
- 230000001681 protective effect Effects 0.000 description 8
- 238000005259 measurement Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
Landscapes
- 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)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7145860A FR2165164A5 (enExample) | 1971-12-21 | 1971-12-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2260614A1 DE2260614A1 (de) | 1973-07-05 |
| DE2260614B2 true DE2260614B2 (de) | 1974-03-21 |
Family
ID=9087767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2260614A Pending DE2260614B2 (de) | 1971-12-21 | 1972-12-12 | Härteprüfmaschine nach dem Vorlastverfahren nach Rockwell |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3855848A (enExample) |
| DE (1) | DE2260614B2 (enExample) |
| FR (1) | FR2165164A5 (enExample) |
| GB (1) | GB1385940A (enExample) |
| IT (1) | IT974181B (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3737461A1 (de) * | 1987-11-05 | 1989-05-18 | Helmut Fischer Gmbh & Co | Fuehrungsvorrichtung fuer einen pruefkoerper eines haertemessgeraets |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1561732A (en) * | 1975-10-16 | 1980-02-27 | Sidaway J | Hardnesstesting machine |
| GB1524601A (en) * | 1976-03-16 | 1978-09-13 | Monsanto Ltd | Hardness tester |
| CH612758A5 (enExample) * | 1977-03-25 | 1979-08-15 | Alfred Ernst | |
| AT398850B (de) * | 1989-12-07 | 1995-02-27 | Emco Maier Gmbh | Eindringhärteprüfer |
| US5133210A (en) * | 1990-02-06 | 1992-07-28 | The University Of Maryland | Thermal expansion driven indentation stress-strain system |
| EP1664729A1 (en) * | 2003-09-26 | 2006-06-07 | C.I.S.A.M. S.A.S. Di A Ernst E C. | Hardness tester with a loading structure of the indenter independent of the stress frame connecting the indenter to the anvil |
| US20130247645A1 (en) * | 2012-03-26 | 2013-09-26 | Matsuzawa Co., Ltd. | Hardness tester and hardness testing method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1141881A (en) * | 1909-08-20 | 1915-06-01 | Tinius Olsen Testing Mach Co | Machine for testing hardness. |
| US1646195A (en) * | 1926-05-29 | 1927-10-18 | Howard M German | Hardness-testing machine and method of testing hardness |
| US2333747A (en) * | 1941-07-18 | 1943-11-09 | Wilson Mechanical Instr Co Inc | Hardness tester |
| DE919437C (de) * | 1951-02-11 | 1954-10-21 | Alex Geiger Maschinenfabrik | Haertepruefvorrichtung zur Durchfuehrung des Tiefenunterschiedsmessverfahrens |
| US3416367A (en) * | 1965-04-15 | 1968-12-17 | Ernst Alfred | Hardness measuring apparatus |
| US3443422A (en) * | 1965-10-04 | 1969-05-13 | Ametek Inc | Testing machine |
-
1971
- 1971-12-21 FR FR7145860A patent/FR2165164A5/fr not_active Expired
-
1972
- 1972-12-12 US US00314346A patent/US3855848A/en not_active Expired - Lifetime
- 1972-12-12 DE DE2260614A patent/DE2260614B2/de active Pending
- 1972-12-18 GB GB5830772A patent/GB1385940A/en not_active Expired
- 1972-12-19 IT IT54858/72A patent/IT974181B/it active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3737461A1 (de) * | 1987-11-05 | 1989-05-18 | Helmut Fischer Gmbh & Co | Fuehrungsvorrichtung fuer einen pruefkoerper eines haertemessgeraets |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2165164A5 (enExample) | 1973-08-03 |
| DE2260614A1 (de) | 1973-07-05 |
| GB1385940A (en) | 1975-03-05 |
| US3855848A (en) | 1974-12-24 |
| IT974181B (it) | 1974-06-20 |
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