Mubea has specialised in the production of high quality disc springs for over 40 years. Because of their versatility, disc springs are used extensively in a variety of applications, from safety valve systems 3000 m under the sea to satellites in space. Mubea stocks disc springs manufactured per the requirements of DIN 2093 as well as their own internal standards. Mubea is capable of producing conventional disc springs with outside diameters up to 800 mm, internally and externally slotted disc springs, and wave
springs. All of Mubea's products are manufactured in house, starting with the production of the blank material in Mubea's own cold-rolling mill. Furthermore, all tooling is designed, manufactured, and maintained in house. In addition to 50 CrV 4 (SAE 6150), Mubea stocks a variety of antimagnetic, corrosion resistant, and high/low temperature materials for special applications. This allows Mubea to respond quickly to requests for disc springs of non standard size and/or materials. Mubea disc springs are shot-peened as part of our standard manufacturing process.This is especially advantageous in dynamic applications requiring a long fatigue life.
Standard Product Range
The Standard Product Range of disc springs (sizes to DIN 2093 and Mubea Factory Standards) includes 246 sizes with outside diameters between 8 and 250 mm.These springs
are manufactured from Ck 67 and 50 CrV 4, and are typically available from stock. The standard corrosion protection is zinc phosphating and oiling.
Special Range
The Special Range of non-standard disc springs includes 153 sizes with outside diameters from 70 to 600 mm. These springs are typically available from stock. Production tooling is available for these sizes. The standard corrosion protection is zinc phosphating and oiling.
Stainless Steel Product Range
The Stainless Steel Product Range of disc springs made from X 12 Cr Ni 17 7 (Material No. 1.4310) and X 7 Cr Ni Al 17 7 (Material No. 1.4568), are typically available from stock.
Conventional Disc Springs
Disc springs to DIN 2093 (Group 1, Group 2, Group 3 .)
Disc springs to Mubea Factory Standards or other as required
Size range: outside diameter 8.0 mm to 800 mm
Materials to DIN 2093 (DIN 17 221, DIN 17 222) and special materials
Disc springs with a thickness of 0.5 mm and greater are shot-peened to improve fatigue life
Standard corrosion protection is phosphating and oiling. (Other coatings are available)
Disc Spring Stacks
On request, Mubea can deliver disc springs
pre-assembled in stacks or on a guiding
device.
Advantages include:
Ability to provide stack specific load-deflection diagrams (Mubea load testing machines can measure loads up to 1000 kN)
Small load tolerances possible
100% load testing can be used to verify proper stacking
Assembly is more efficient with preassembled stacks
Internally or externally slotted
disc springs
Size range: outside diameter 20 to 300 mm
Slotted disc springs are typically developed in close collaboration with customers for specific applications
Special production processes are used to maintain extremely tight load tolerances and to achieve the maximum possible fatigue life.
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