WZ102-2013 紧固件 扭矩-拉力试验 标准条件eng.pdf
WORLDWIDEFASTENERSTANDARD
WZ102Date:20130523
Fastener–Torque/clampforcetesting–StandardConditions
1PURPOSE
ThisWorldwideStandardprovidesatestmethodfordeterminingthetorque/clampingforceperformanceof
fastenerfinishesspecifiedinWX100andusedonISOMetricthreadedbolts,screws,studs,andnutsunder
standardconditions.
Note:Thisstandardisnotintendedforuseindevelopinganinstallationtorquespecificationorforbolts
andnutswithwasherassemblies.
2.REFERENCES
ISO16047Fasteners–Torque/clampforcetesting
ISO4014Hexagonheadbolts–ProductgradesAandB
WA900DimensionalRequirementsforHexagonandFlangedHexagonBoltsandScrews,
andHexagonScrewandWasherAssemblies
WA950MaterialRequirementsandMechanicalPropertiesofBolts,Screws,Studsand
ScrewandWasherAssemblies
WX100FinishSpecifications
3.TESTMETHOD
TestingmustbeperformedperISO16047Fastener–Torque/clampforcetestingexceptwheremodifiedin
thisstandard.
4.TEST-BEARINGPLATESORTESTWASHERS
ComplywithISO16047Clause7.2withthefollowingspecifiedparameters:
Degreasedtestplatesorwasher
Hardness50-60HRC
RoughnessRa0.4maximum
Use600gritwetordrypaper
ClearanceholesizeperTable1
Table1-TestPlates
Dimensionsinmillimeters