Technical articles
Surisa's technical area. Guides, DIN standards, material selection and industrial applications for our product families — written by our engineering team, providing technical advice since 1974.
Showing 13 articles · Disc springs
Tensors for flange connections
Tensors for flange connections are devices that can be interposed in a flange connection between studbolts-nuts that and the same flange. It has the objective…
When a disc spring can save your life
Trains, cableways, emergency brakes, bridges and earthquake protection: how and where disc springs and Belleville washers save lives.
Get help from our disc springs calculation program
Our disc spring calculation program helps you choose the optimal spring (material, temperature, life and load) for your application.
Disc spring geometry
How a disc spring deforms under deflection: conical geometry and the Almen & Lászlo equations behind DIN 2092/2093.
Disc springs – permissible stress
Analysis of the stress a disc spring withstands before failure: critical points, fatigue cycles and recommended preload.
Belleville springs stacks – working and geometry
Types of disc spring stacks (series, parallel, mixed) and how force and travel change with each configuration.