NORD-LOCK® NL SC
BN 14044 - Klínové pojistné podložky slepeno do párů
Značka |
Značka
NORD-LOCK®
|
Produktová řada |
Produktová řada
NL SC
|
Materiál |
Materiál
Ocel
|
Provedení materiálu |
Provedení materiálu
kalená
|
Povrchová úprava |
Povrchová úprava
zinkové lamely
|
Tvrdost |
Tvrdost
465 HV
|
Návody k použití |
Návody k použití
|
Všechny funkce
Informativní normy
Dodatečné informace
Funkce
Značka |
Značka
NORD-LOCK®
|
Produktová řada |
Produktová řada
NL SC
|
Materiál |
Materiál
Ocel
|
Provedení materiálu |
Provedení materiálu
kalená
|
Povrchová úprava |
Povrchová úprava
zinkové lamely
|
Tvrdost |
Tvrdost
465 HV
|
Návody k použití |
Návody k použití
|
Princip funkce
Because the cam angle "α" is greater than the thread pitch "β" a wedge locking effect secures the fastener against rotational loosening, even under the most severe conditions.
NORD-LOCK® NL SC wedge lock washers must not be used on unsurfaced surfaces.
Not recommended for:
- Surface hardness greater than the hardness of the washer (465HV)
- Very soft surfaces like wood or plastic
Additional Infomation:
When used as intended, Nord-Lock® NL SC Wedge Locking Washers with PEINER HV Sets for (planned) pre-stressed bolted connections secure against loosening or unscrewing - even under dynamic loads - and thus achieve a permanent pre-stressing force in your bolted connection.
Ilustrace princip funkce
Poznámka k montáži
The Nord-Lock® NL SC wedge lock washer has the chamfer on the inside diameter that is characteristic of HV fittings, so that there is always an optimum contact surface between the HV bolt and the Nord-Lock® NL SC wedge lock washer.
The HV nuts are lubricated for installation. Correct installation is achieved by screwing on the HV nut EN14399-4 with the corresponding HV bolt EN14399-4 and SC washers ~EN14399-6. Pairing of the same make ensures the correct matching and the intended tightening behaviour. Additional lubrication of bolts, nuts and washers changes the preload parameters and causes assembly errors.
Ilustrace poznámka k montáži
Varování
Washers are to be used with bolts and nuts EN 14399-4.
Nord-Lock® NL SC wedge lock washers increase in comparison to the regular HV washer according to EN 14399-6 the clamping length of the screw connection by up to 3 mm!
The use of Nord-Lock® NL SC wedge lock washers changes the friction conditions when tightening the screw set and therefore also the torque to be applied.