VW 11614_200909 eng 公制ISO螺纹粗糙公差等级的极限尺寸-外螺纹8g 内螺纹 7H.pdf

GroupStandardVW11614

Issue2009-09

Class.No.:01815

Descriptors:metric,metricISOthread,thread,limitdimension,toleranceclass,internalthread,externalthread,surface

protection

MetricISOThread

LimitDimensionsforCoarseToleranceClass

ExternalThreads8g/InternalThreads7H

Previousissues

VW11614:1968-08,1985-10,2003-09

Changes

ThefollowingchangeshavebeenmadeascomparedtoVW11614:2003-09:

–Descriptorsupdated

–ThreadsizesM3,M3,5andM4removedfromTables1and2

–TolerancevaluesinTables1to4changedtomm

–UpperlimitdeviationvaluesesinTables1and3changedtomm

–Section4:LimitdimensionsforlimitgapgagesaccordingtoVW195150andLimitdimensions

forlimitpluggagesaccordingtoVW195142added

–Technicalresponsibilitychanged

–Standardeditoriallyrevised

1Scope

ThenominalandlimitdimensionsinFigure1,Table1,Table2,Table3andTable4applytothe

brightfinalcondition.

LimitdimensionsforthreadswithsurfaceprotectionseeVW11615.

Inmostcases,toleranceclassmediumaccordingtoVW11610istheclasswhichisreleased.The

toleranceclasscoarsehasasmallerthreadoverlapandrequiresspecialgages.Itmayonlybe

approvedinspecialcases,e.g.forplasticparts,iftheaccuracyofthetoleranceclassmediumcannot

becompliedwith.Itmustbespecifiedinthedrawing.

Checkstandardforcurrentissuepriortousage.Page1of16

Thiselectronicallygeneratedstandardisauthenticandvalidwithoutsignature.

TheEnglishtranslationisbelievedtobeaccurate.IncaseofdiscrepanciestheGerm