VW 60357-2021铆钉-大众汽车标准

GroupstandardVW60357

Issue2021-12

Class.No.:61184

Descriptors:bolt,clinchstud,clinching,fastener,functionalelement,mechanicaljoining,metric,thread

Clinchstuds

Preface

PreferredpartsaredocumentedinVolkswagenstandardVW60000

[1]

[2]

andcanbeidentifiedinthe

NVS

bythestatus„V“.

Previousissues

VW60357:2001-12,2012-07,2013-12,2016-02,2021-09

Changes

ThefollowingchangeshavebeenmadetoVW60357:2021-09:

a)Technicalresponsibilityupdated

b)

SectionA.1.1

:"see

FigureA.1

,leftside"changedto"see

FigureA.1

,rightside"

Alwaysusethelatestversionofthisstandard.

Thiselectronicallygeneratedstandardisauthenticandvalidwithoutsignature.Acommaisusedasthedecimalsign.TheEnglishtranslationisbelievedtobeaccurate.Incaseofdiscrepancies,theGermanversioncontrols.

Page1of15

Allrightsreserved.NopartofthisdocumentmaybeprovidedtothirdpartiesorreproducedwithoutthepriorconsentofoneoftheVolkswagenGroup’sStandardsdepartments.|internal

©VolkswagenAktiengesellschaft

VWNORM-2020-10

Page2

VW60357:2021-12

Contents

Page

1

Scope

2

2

Dimensions

2

2.1

ClinchtypeA

stud

2

2.2

ClinchtypeB

studof

4

2.3

Lengths

andweights

4

3

TechnicalSupplySpecifications

5

4

Designation

5

5

Applicable

documents

6

6

Bibliography

7

AppendixA

Establishingthejoint

8

A.1

Connecting

dimensions

8

A.2

Setting

ofclinchstuds

12

A.3

Jointstrength

13

AppendixB

Noteson

thedesignofjointswithclinchstuds

15

1Scope

Thisstandardspecifiesthepropertiesofclinchstudsmadeofsteelwithpropertyclasses8.8and10.9,inproductgradeA,andwithmetricISOstandardthreadsofM5toM12.

Clinchstudscanbedesignedeitherwitharaisedengagementfeature(alsoreferredtoasa"rib"below)(typeA)orarecessedengagementfeature(typeB)beneaththehead.

Dependingonthesteelandaluminumsheetsused,thesheetmetalthicknessrangeisbetween0,75mmand2,5mmforclinchstudsoftypeA,andbetween1,0mmand7,0mmforclinchstudsoftypeB.

Thisstandardspecifiestherequirementsforthedesignofthejointanddescribestheprocessse-quenceforsettingclinchstuds,wherebytheclinchstudandthesettingtoolshouldconstituteamu-tuallyfine-tunedsystem.

2Dimensions

2.1ClinchstudtypeA

See

figure1

aswellas

table1

,

table3

,and

table4

.Dimensionlettersymbolsandtheirdesigna-tionsarespecifiedin

DINENISO

225.

Page3VW60357:2021-12

Dimensionsinmillimeters

Legend

dgkMinordiameteroftheouterthread(equivalenttod3asperVolkswagenstandard

VW11611

)

dhClinchingribdiameter

drStudindentationdiameterPPitchofthethread

RRibedge

16to8ribsdistributeduniformlyonthecircumference

2Widthaschosenbythemanufacturer

aRibprofileshownenlarged

bAslightlyroundededgeispermissibleaslongasitdoesnotrestrictthefunctionalca-

pabilityoftheclinchedjoint.

Figure1–ClinchstudoftypeA(raisedengagementfeaturebeneaththehead)

Table1–Dimensions

Dimensionsinmillimeters

Dimensions

Threadsize

M5

M6

M8

M10

M12

P

0,8

1

1,25

1,5

1,5

amax.

3,1

3,6

4,5

5,3

6,0

dh-0,2

5,35

6,35

8,50

10,50

12,50

dk

Nominaldimension=max.

min.

12,00

16,00

20,00

22,00

11,73

15,67

19,67

21,67

dr±0,1

3,95

4,70

6,45

8,25

10,00

Page4

VW60357:2021-12

Table1(continued)

Nominaldimension=max.

k

min.

2,20

2,92

4,15

4,65

1,95

2,67

3,85

4,35

2.2ClinchstudoftypeB

See

figure2

and

table2

to

table4

.Dimensionlettersymbolsandtheirdesignationsarespecifiedin

DINENISO

225.

Legend

1Threadend,longdogpoint

2Engagementfeaturesdistributedevenlyoverthecircumference(numberanddesignatthemanufacturer'sdiscretion)

Figure2–ClinchstudoftypeB(recessedengagementfeaturebeneaththehead)(source:

PROFIL®)

Table2–Dimensions

Dimensionsinmillimeters

Dimensions

Threadsize

M5

M6

M8

M10

M12

P

0,8

1

1,25

1,5

1,75

dk±0,3

12,0

16,0

20,0

24,0

k

3,0±0,25

3,8±0,25

5,0±0,2

6,0±0,2

2.3Lengthsandweights

Table3–Lengthsandweights

Weightsing

Property

Threadsize

M5

M6

M8

M10

M12

TypeA

Headweight

TypeB

1,86

1,86

4,42

8,63

10,9

2,4

2,4

5,5

11,5

19,4

Page5VW60357:2021-12

Table3(continued)

Weightpermmintheareaofnominallengthl

0,124

0,177

0,32

0,50

0,73

Nominallengthl(inmm):10,12,16,20,25,30,35,40

Thestudweightiscalculatedasfollowsusingtheindicatedindividualweights:

Studweight=studnominallength×weightpermmintheareaofthenominallength+headweight

Table4–Tolerancesforstudnominal

lengths

Dimensionsinmillimeters

Nominallength

Tolerance

l≤10

±0,29

10<l≤18

±0,35

18<l≤30

±0,42

30<l≤40

±0,5

3TechnicalSupplySpecifications

See

table5

.

Table5–TechnicalSupplySpecifications

Material

Chemicalcomposition

Steel

DINENISO

898-1

MechanicalpropertiesPropertyclass

Standard

8.8

10.9

DINENISO

898-1

VW60250

MarkingStandard

DINENISO

898-1

SurfacefinishCode

Standards

Ofl-t610,Ofl-r642,Ofl-r643

Ofl-t610

TL245

TL244

,

TL245

VW13750

Thread

VW11611

Productgrade

Limitdeviations,

Standard

geometricaltolerances

A

VW60591-1

,

DIN267-2

Surfacecondition,

limitvaluesforsurfaceflaws

DINEN

26157-3

Acceptancetest

DINENISO

16426

Generalrequirements

DINISO

8992

4Designation

Exampledesignationforaclinchstudwitharaisedengagementfeature(typeA),threadsizeM8,nominallengthl=25mm,suitableforsheetmetalthicknessesof0,75mmto2,5mm,propertyclass8.8,andwithsurfaceprotectiontypeOfl-r643:

Page6

VW60357:2021-12

CLINCHSTUDVW60357-A–M8×25–2,5–8.8–Ofl-r643

or

CLINCHSTUDN91154901

1)

2)

Exampledesignationforaclinchstudwitharecessedengagementfeature(typeB),threadsizeM6,nominallengthl=25mm,suitableforsheetmetalthicknessesof1,3mmto1,7mm,propertyclass8.8,andwithsurfaceprotectiontypeOfl-r642:

CLINCHSTUDVW60357-B–M6×25–1,7–8.8–Ofl-r642

or

CLINCHSTUDN90995001

1)

2)

5Applicabledocuments

Thefollowingdocumentscitedinthestandardarerequiredfortheapplicationofthisstandard:

SomeoftheciteddocumentsaretranslationsfromtheGermanoriginal.ThetranslationsofGer-mantermsinsuchdocumentsmaydifferfromthoseusedinthisstandard,resultinginterminologi-calinconsistency.

StandardswhosetitlesaregiveninGermanmaybeavailableonlyinGerman.Editionsinotherlanguagesmaybeavailablefromtheinstitutionissuingthestandard.

TL244

Zinc/NickelAlloyCoatings;SurfaceProtectionRequirements

TL245

Non-ElectrolyticallyAppliedZincFlakeCoatings;SurfaceProtectionRe-

quirements

VW11611

MetricISOThread;LimitDimensionswithProtectiveCoatingforMedium

ToleranceClass;ExternalThreads6gh/InternalThreads6H

VW13750

SurfaceProtectionforMetalParts;SurfaceProtectionTypes,Codes

VW60250

High-StrengthBoltsandScrewsandSimilarThreadedParts;Technical

SupplySpecifications

VW60564

MechanicalJoiningofBlindRivetScrewsandNuts,ClinchStuds,Insert

Nuts,PunchingBolts,PierceNuts,andPierceStudsinSheetMetal;StrengthTestingandEvaluationofJoints

VW60591-1

TolerancesandLimitsofSizeforFasteners;Part1:Screws,Bolts,and

Studs

DIN267-2

Fasteners-Technicalspecification,surfaceroughnessforproduct

classesAandB

DINEN

26157-3Fasteners;surfacediscontinuities;bolts,screwsandstudssubjectto

specialrequirements

DINENISO

16426Fasteners-Qualityassurancesystem

DINENISO

225Fasteners-Bolts,screws,studsandnuts-Symbolsanddescriptionsof

dimensions

1)Forreleasedparts,seethe

NVS

orVW60000.

[2]

2)Partnumbersuffixformaterial,surfaceprotectiontype,andtypeasperthestandard-partdrawingormasterdatalist(MDL).

Page7VW60357:2021-12

DINENISO

898-1

DINISO

8992

DVS/EFB3440-2

Mechanicalpropertiesoffastenersmadeofcarbonsteelandalloysteel-Part1:Bolts,screwsandstudswithspecifiedpropertyclasses-Coarsethreadandfinepitchthread

Fasteners-Generalrequirementsforbolts,screws,studsandnutsFunktionselemente-Einstanz-,Einniet-,Einpresselemente(pierce-,riveting-andpressformelements)

6Bibliography

[1]VW60000

[2]

VW60000

,VariantReductionforFasteners(VRV);VRVPreferredPartCatalog

[3]TL1550

[4]

TL1550

StripandSheet,UncoatedandSurface-Treated,withDefinedYieldPointforColdForming

Page8

VW60357:2021-12

AppendixA(normative)Establishingthejoint

A.1

A.1.1

Connectingdimensions

JointswithclinchstudsoftypeA

Thesheetmetalthicknessrangeisbetween0,75mmand2,5mm.Thecorrespondingconnectingdimensionsarespecifiedin

tableA.1

.

Forasheetmetalthicknessbetween0,75mmand2mm,apre-clinchingholemustbemadeinthesheetmetalpanelbeforetheclinchstudisset(see

figureA.1

,rightside).

NOTEA.1:Forasheetmetalthicknesst≥2mm,dependingonthesupplier,nosheetmetalpreparationisrequired.

Dimensionsinmillimeters

Legend

d2Holediameter

d3Insidediameterofpre-clinchingholehHeightofpre-clinchinghole

rRadius

tSheetthickness

1Insertiondirection

FigureA.1–ConnectingdimensionsforclinchstudsoftypeA

Page9VW60357:2021-12

TableA.1–ConnectingdimensionsforclinchstudsoftypeA

Dimensionsinmillimeters

Threadsize

Sheetmetalthick-nessrange

Connectingdimensions

d2

+0,15

d3

+0,18

h

+0,1

r

min.

M5

tmin=0,75

5,40

7,0

1,4

0,8

tmax=2,50

1,6

1,5

M6

tmin=0,75

6,40

8,0

1,4

0,8

tmax=2,50

1,6

1,5

M8

tmin=1,00

8,60

10,2

1,4

1,0

tmax=2,50

1,8

1,5

M10

tmin=1,20

10,60

12,1

1,4

1,5

tmax=2,50

1,8

1,5

M12

tmin=1,20

12,60

14,2

1,4

1,5

tmax=2,50

1,8

1,5

Differentpropertiesofthematerialsandsurfaces,aswellasconditionsdependentonthetool,mustbeevaluatedinclinchingtestsbeforeintroductionintoproduction.Dimensionsthatdeviatefrom

tableA.1

mustbecheckedbytesting.

Page10

VW60357:2021-12

A.1.2JointswithclinchstudsoftypeB

Thesheetmetalthicknessrangeisbetween1,0mmand7,0mm.Thecorrespondingconnectingdimensionsarespecifiedin

tableA.2

.

Forasheetmetalthicknessbetween1,0mmand2,0mm,apre-clinchingholemustbemadeinthesheetmetalpanelbeforetheclinchstudisset(see

figureA.2

,rightside).

FigureA.2–Pre-punchingsituationforasheetmetalthicknesst>2mm(left)and

t≤2mm(right)(source:PROFIL®)

Legend

d2

d4

d5

Holediameter

Outerdiameterofthepre-clinchinghole

Holediameterafterjoining

hHeightofpre-clinchinghole

h1Heightofholeafterjoining

tSheetthickness

NOTEA.2:Forasheetmetalthicknesst≥2mm,dependingonthesupplier,nosheetmetalpreparationisrequired.

Page11VW60357:2021-12

TableA.2–ConnectingdimensionsforclinchstudsoftypeB

Dimensionsinmillimeters

Threadsize

Sheetmetalthickness

range

Connectingdimensions

Pre-punchingsituation

Joinedstate

d2

+0,1

d4

+0,25

h

±0,2

d5

max.

h1

max.

M5

1,00≤t≤1,25

5,0

6,5

1,0

6,5

1,0

1,25<t≤1,75

7,5

1,75<t≤2,00

8,0

M6

1,00≤t≤1,25

6,0

7,5

1,5

7,5

1,25<t≤1,75

8,5

1,75<t≤2,00

9,0

2,00<t≤7,00

M8

1,00≤t≤1,25

8,1

9,5

1,5

9,0

1,25<t≤1,75

10,5

1,75<t≤2,00

11,0

2,00<t≤7,00

—

—

M10

1,50≤t≤1,75

10,1

12,5

2,0

11,1

1,75<t≤2,00

13,0

2,00<t≤7,00

—

—

M12

1,50≤t≤1,75

12,2

14,5

2,0

13,4

1,75<t≤2,00

15,0

2,00<t≤7,00

—

—

Differentpropertiesofthematerialsandsurfaces,aswellasconditionsdependentonthetool,mustbeevaluatedinclinchingtestsbeforeintroductionintoproduction.Dimensionsthatdeviatefrom

tableA.2

mustbecheckedbytesting.

Page12

VW60357:2021-12

A.2

A.2.1

Settingofclinchstuds

Procedure

Clinchstuds(see

figureA.3

,basedon

DVS/EFB

3440-2)arecharacterizedbyafasteningsectionthatispressedintoapre-punchedpart.Joiningtakesplacebyformingofthepartmaterialwithoutthefunctionalelementbecomingdeformedintheprocess.

Legend

1Fasteningsection

2Functionalsection

FigureA.3–Clinchstud

Theprocesssequenceforsettingaclinchstudisshownin

figureA.4

.

Legend

APositioning

BInsertionintotheholearea

CFormingoftheholearea

DProducedconnection

1Clinchstud

2Holearea

FigureA.4–ProcesssequenceforsettingaclinchstudasperDVS/EFB3440-2

A.2.2Clinchstud/settingtoolsystem

Clinchstudsasperthisstandardcanbeusedinautomatedprocessesinbodymanufactureandinthepressshop(progressivedie).

Toensureanundisruptedproductionprocess,astandardizedtechnologyformanualandautoma-tedprocessingusingsettingtoolsisrecommended.Theclinchstudandthesettingtoolmustbefine-tunedasasinglesystem.

Page13VW60357:2021-12

Scopes

3)

,notesonprocessing,connectionparameters(e.g,innerdiameterofthefeedcylinderinthesettingtoolwithrespecttotheheaddimensiontolerances)mustbeclarifiedbetweenthesys-temsupplierandthepurchaserinadvance.

Thefollowingworkprinciplemustbeobservedwhensettingclinchstuds:

1.Thesheetmetalpartwithapreparedholeispositionedabovethecenteringpinatthepositiontobeclinched.

2.Theblankholderisloweredontothesheetmetal.Assoonastheblankholderreachesade-finedretainingforce,thecenteringpinisdriventhroughthehole.

3.Theclinchingstrokeistriggered.Therequiredpunchforceisrecordedintherespectiveac-ceptancereportonaproject-specificbasis.Therequiredretainingforceresultsfromthemaxi-mumpermissiblepartdeformation.

4.Whenthepinisextracted,theminimumtravelmustbetakenintoaccount.Theminimumtravelcorrespondstothestudlength.

A.3Jointstrength

Thevaluesforminimumpress-outforceandminimumtorquein

tableA.3

and

tableA.4

applytoclinchstudsofpropertyclass8.8,clinchedinsteel

4)

oraluminum

5)

sheetmetalpanelsmeasuring75mm×75mmandmanufacturedasanindividualsample(onlyoneclinchstudinthesheetmet-alpanel).Valuesforothermaterialsandsheetthicknessesmustbedeterminedbytesting.

NOTEA.3:The

StructuralDurabilitydepartment

canprovidesupportduringtesting.

TableA.3–Minimumpress-outforcesandminimumtorquesfortypeA

Threadsize

Sheetthick-

ness

t

mm

Minimumpress-outforce

FPF,min

kN

Minimumtorque

Mmin

Nm

steel

aluminum

steel

aluminum

M5

0,75

0,7

0,7

7,5

7,5

1,50

1,3

1,2

7,6

7,5

2,50

2,1

2,0

7,6

7,5

M6

0,75

0,8

0,8

8

8

1,50

1,4

1,2

10

8

2,50

2,2

2,0

12,8

10

M8

0,75

1,0

1,0

15

15

1,50

1,9

1,7

20

17

2,50

2,8

2,5

33

25

M10

1,20

2,5

1,7

35

21

2,50

4,5

2,5

55

48

M12

1,20

Thevaluesmustbedeterminedduring