Installation manual

Transducerhandlingandmaintenance
IntroductiontoEmugeself-lockingthreads
Emugeself-lockisatapdesignwithanintegratedlockingfeature.
Standardmetricboltsareused.Theinternalthreadprovidesa
self-lockingconnection,whichcanbeusedrepeatedly.Itisnot
necessarytoinvolveasecondarylockingdevice(e.g.chemical,
nylonormechanical).TheEmugeself-lockboltswithstand
vibrationsbetterthanstandard(metric)threads,becausethe
threadcontactstopsthesidewaysmovement.Thespecial
designoftheinternalthreadprolealsoprovidesamoreeven
distributionofthetighteningstressoverthewholethreadlength.
Theassemblyisjustaseasyaswithanormal(metric)thread.
Thereisnogeneralapplicablestandard(e.g.DINstandard)for
theEmugeself-lockthread.
Figure10Example,internalandexternalthreads
A B C
2
1
(CD017020B)
AEmuge’ ssaw-toothproleuptopitchP≤0.7mm
BEmuge’ ssaw-toothproleuptopitchP≥0.7mm
CStandardthread
1Externalthread
2Internalthread
Advantages
•Thethreadlockingfeatureisintegratedintheinternalthread
•Modiedprolewithrampsurfaceinthedirectionofstress
•30degreerampsurfaceprovidesself-lockingeffect
•Easyassembly
•Noassemblyerrors(forgettingthelockingdevice)possible
•Useofstandardexternalthreads(screws)withtoleranceclass
“medium”
•Evendistributionofstressoverthewholethreadlength
•Nostrippingofthreads
130003/D
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