New Serrated Locking Washer NSK teckentrup-sperrkant ® The Original Innovative Screw and Bolt Locking Technology » Reliable bolt locking at low and high preload forces » Locking function even on lubricated and oil-containing surfaces » Secure performance has been confirmed by long-term validation
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teckentrup-sperrkant The Original - Fastener Fair · New Serrated Locking Washer NSK teckentrup-sperrkant ® The Original Innovative Screw and Bolt Locking Technology » Reliable
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» Reliable bolt locking at low and high preload forces
» Locking function even on lubricated and oil-containing surfaces
» Secure performance has been confi rmed by long-term validation
New Serrated Locking Washer NSK
The teckentrup Sperrkantscheibe is a bolt locking element with a long history of proved performance. It specifi cally prevents the failure of a bolt connection under dynamic loads. With the enhanced NSK-Washer you get a secure element which meets the increased requirements for bolt locking.
Basically the unintentional loosening of a bolt connection is caused by two mechanisms – working loose and turning loose.
Scope
The vibration test according to DIN 65151 is a qualifi ed procedurefor testing the locking characteristics of bolt connections. The secure effect is proved by a dynamic transverse load.
Teckentrup has its own vibration test device and the NSK washers are tested regularly. Continuous product improvements are developed on the basis of test results.
Verifi cation in accordance with DIN 65151
The working loose is caused by a setting effect which means loss of preload. Due to vibrations and impacts onto the bolt axis a loosening torque appears that can cause a turning loose effect with complete loss of preload.
The combination of serrated surface and cup spring geometry of the NSK-Washer predicts working loose and turning loose. It represents the optimum bolt locking solution.
» Security of the bolt connection is achieved at low and high preload forces.
» Bolts with short tension lengths are secured also for dynamic loads.
» Easy to assemble due to the fact of one-piece locking element.
» Protecting counter surfaces (NSK-Washer does not rotate).
Advantages
» Low variance of the tightening torques and friction coeffi cients.
» The broad portfolio offers a solution for each application.
» The excellent securing performance was proved by long-term validation.
Applications
Railway Supply Industry
Elevators
Agricultural Equipment
Machine Building
and many other applications…
Product Line NSK M
NSK - type M (medium) for high-strength connections with standard contact surfaces