VW 01126-2-201311-chs 连接技术螺栓装配的超弹性拧紧方法.pdfVIP

JoiningTechnology-TighteningTorquesforVW01126-2

Screw/BoltAssemblyBeyondtheElasticLimit版本2013-11

连接技术螺栓装配的超弹性拧紧方法大众标准

Previousissues以前版本

VW01126-2:1995-05,1998-01,1999-03

Changes

ThefollowingchangeshavebeenmadetoVW01126-2:1999-03:

–Table1revised(coefficientoffrictionrangeasperVW01129adapted;specificationsforsizeM5inproperty

classes8.8and10.9expanded;aluminumboltsmadeofmaterialAL9andofsizesM6toM12×1,5expanded;

initialtorquesforsizesM8-8.8andM12×1,5andM14×1,5inpropertyclasses10.9and12.9changed,and

propertyclassfornutsadded)

–Figure1supplemented

–Figure2revised

–Technicalresponsibilitychanged

变化点

以下是对VW01126-2:1999-03的变化:

-表1修改后的摩擦系数(根据VW01129调整的摩擦系数);补充规格大小M5在性能级别8.8和10.9;补充铝制螺栓由材料

AL9和大小M6到M12×1.5;改变初始力矩大小M8-8.8和M12×1.5和M14×1.5性能级别10.9和12.9,和增加螺母性能)

—图1补充

—图2修改

—技术责任改变

1Scope

ThisStandardappliestometricthreadedconnectionswhichareassembledwithatighteningprocessbeyondthe

elasticlimit–AW11–(angle-of-rotationcontrolled)asperthespecificationsofVW01110-1.Theinitialtorquesare

compiledintable1.Theanglesofrotationdependontheclampinglength;seefigure1.Forclampinglengthsless

than1dandgreaterthan4d,orforpurposesofstandardizingtheassemblyspecifications,therequiredanglesof

rotationmustbedeterminedexperimentally.

Thereusabilityofthreadedconnectionsassembledbeyondtheelasticlimitislimited.Forthispurpose,thenoticesin

VW01110-1mustbeobserved.Forassemblyprocesseswithintheelasticrange,thespecificationsinVW01126-1

mustbeapplied.

1范围

这个标准适用于用拧紧过程装配的米制螺纹连接。超弹性极限-AW11-(旋转角度控制)按规范VW01110-1。

初始扭矩在表1中进行编译。旋转的角度取决于夹紧长度;参见图1。用于夹紧长度小于1d和大于4d，或用于目的。

要使装配规范标准化，就必须用试验方法确定确定所需的旋转角度。