ДСТУ ISO 6508-3:2010
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Rockwell hardness testPart 3. Calibration of reference bloks(scales 1 2 ISO 376:2004 Metallic materials — Calibration of force-proving instruments used for verification of uniaxial testing machines
ISO 4287:1997 Geometrical Product Specifications (GPS) — Surface texture: Profile method — Terms, definitions and surface textures parameters
ISO 6508-1 Metallic materials — Rockwell hardness test — Part 1: Test method (scales ISO 6508-2 Metallic materials — Rockwell hardness test — Part 2: Verification and calibration of testing machines (scales ISO 376:2004 ISO4287:1997 ISO 6508-1 ISO 6508-2 3.1 3.2 3.3 3.4 3.5 3.6 4 4.1 4.2 а?) Ь?) с?) d) 4.3 4.4 4.5 а?) Ь?) с?) d) 4.6 4.7 4.8 5 5.1 5.2 5.3 5.4 5.5 6 7 7.1 7“ /?■?< + / U=h 5 ~h, (3)
“7.2
8 8.1 а?) р?) с?)
d) е?) f) 8.2 8.3 а?) Ь?) с?) d) 9 X — Y —
X — Y — В?.1 В?. 1.1 В?.1 .2 В?.1 .3 В?.1 .4 В?.2 w xcrm-i — ^crm-d — u ms —
(t = 1,14 X, HR
В?.З? U CRM - a/ W CM + w xCRM-2 > ( UxCRM-2 —
,, _ ' SxCRM-2
u xCRM-2 7=
t/xCRM-2 = 0.12 HRC.
1 A. SAWLA: Uncertainty of measurement in the verification and calibration of the force measuring systems of testing machines. Proceedings of the Asia-Pacific symposium on measurement of force, mass and torque (APMF), Tsukuba, Japan, November 2000.
2 A. WEHRSTEDT, I. PATKOVSZKY: News in the field of standardization about verification and calibration of materials testing machines, May 2001, EMPA Academy 2001.
3 W. GABAUER: Manual codes of practice for the determination of uncertainties in mechanical tests on metallic materials, The estimation of uncertainties in hardness measurements, Project No. SMT4-CT97-2165, UNCERT COP 14:2000.
4 T. POLZIN, D. SCHWENK: Method for Uncertainty Determination of Hardness Testing; PC File for Determination, Materialprufung 44 (2002) 3, 64-71.
1 A. Sawla. 2 A. Wehrstedt, I. Patkovszky. З? W. Gabauer. 4 1 2