ДСТУ ISO 6508-2:2010
Завантажити документ
Формат .docx · доступно зареєстрованим користувачам
Rockwell hardness testPart 2. Verification and calibration of testing machines(scales 1 2 ISO 376:2004 Metallic materials — Calibration of force-proving instruments used for verification of uniaxial testing machines
ISO 6507-1 Metallic materials — Vickers hardness test — Part 1: Test method
ISO 6508-1 Metallic materials — Rockwell hardness test — Part 1: Test method (scales ISO 6508-3:2005 Metallic materials — Rockwell hardness test — Part 3: Calibration of reference blocks (sca les ISO 376:2004 ISO 6507-1 ISO 6508-1 ISO 6508-3:2005 З? а?) Ь?) с?) 4 4.1 4.1.1 4.1.2 4.1.3 а?) Ь?) с?) d) 4.2 4.2.1 4.2.2 4.2.3 —? —?
4.2.4 4.2.5 4.3 4.3.1 4.3.1.1 4.3.1,1.1 4.3.1.1.2 4.3.1.1.3 4.3.1.1.4 4.3.1.1.5 4.3.1.2
4.3.2 4.3.2.1 4.3.2.2 4.3.2.3 4.3.2.3.1 4.3.2.3.2 —? —? —? —? —? 4.3.2.3.3 4.4 4.4.1 4.4.2 4.5 5 5.1 5.2 5.2.1 5.2.2 5.3 5.3.1 — 5.3.2 5.4.1 5.4.2 5.5 6 ь?) 7 Ь?) с?) d) е?) f) h) і?)
X — Y —
u FHTM — —? —? —? N F, N S F -|
^
В?.1.2 U L = 7 U LRS + u ms + U LHTM > ( i/ ms — u L htm — —? —? —?
Si 1 L ‘-RS
X/
В?.1.4 В?.2 Wcrm-d — u ms —
6 = 45,9-45,4 = 0,5 HRC;
i/ H = 0,21 HRC.
1/
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, Materialpriifung 44 (2002) 3, 64-71.
1 A. Sawla. 2 A. Wehrstedt, I. Patkovszky. З? W. Gabauer. 4 1 2