Busbar DISC Spring Belleville Washer

Belleville Lock Washer for busduct joint pack pressure
The use of the Belleville spring washers on the bolt
ensures the original contact pressure is maintained
giving a more secure and reliable joint.

belleville washer
A Belleville washer, also known as a coned-disc spring,[1] conical spring washer,[2] disc spring, Belleville spring or cupped spring washer, is a conical shell which can be loaded along its axis either statically or dynamically. A Belleville washer is a type of spring shaped like a washer.

spring washer installed on busbar joint
Material: manganese steel
HRC:40-42

Spring Washer Vs Flat Washer Busbar
Thickness: 4mm,5mm,6mm
HRC:40~43

Belleville Spring Washers used on Busbar Joint
Material: 65Mn
HRC rate: 36-40
Screw torque:75.9
Dacro: 5~8μ

1) Our Spring Washer mainly used on the busbar joint or switchgear cabinet. Which use to expand the touch area decrease the strength.
2) Our Spring Washer meterial is manganese steel and surface with "Dacro" treatment which is more durable.

Used to install in the busbar joint for absorbing pressure.
All our products are customized.Please kindly contact us directly for further details.

Spring washer for busbar block

Belleville washer, Spring washer installed on busbar joint, thickness 5mm* outer diameter 75mm, thickness 6mm* outer diameter 90mm, customized sizes