Calculating the service life of roller bearings
Roller & plain bearings, linear technology
Roller bearings
For the service life of a drive system, the bearing elements are a component to be considered. In the case of the roller bearing, DIN ISO 281 is used for the service life calculation in the module included here.
The roller bearing calculation in MDESIGN mechanica provides results for:
- Extended service life according to DIN 281
- Modified service life according to DIN 281
- Calculation of single bearings
- Interpretation of results via result graphics
- Graphical diagrams of the results
- Integrated bearing catalog data for SKF, Schaeffler, Timkem, SBN, KRW, IBC
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Plain bearings
For numerous applications in mechanical engineering, plain bearings offer the better solution compared to roller bearings. The determining factors here are the insensitivity to shocks and contamination, but also, for example, the possible applications at very high speeds. The required boundary conditions for lubrication and maintenance must be taken into consideration.
MDESIGN enables the design and recalculation of
- Hydrodynamic axial plain bearings to DIN 31653 and DIN 31654
- Stationary loaded radial plain bearings according to DIN 31652 and VDI 2204
- ISO viscosity classification according to DIN 51519
- Access to the lubricant database with characteristic parameters from various manufacturers, e.g. Aral, BP, Castrol, Esso, Klüber, Shell and others
MDESIGN provides numerous results from the areas of assessment:
- Necessary geometry, e.g. clearance width, lubricating film thicknesses, etc
- Temperatures
- Bearing loads
- Load capacities
- Lubricant values
- Viscosities
- Friction power
Linear technology
In mechanical engineering and especially in drive technology, we achieve the best results with components from linear technology for translational tasks. MDESIGN mechanical provides the following modules for design and dimensioning:
- Linear guides according to DIN ISO 281
- Ball screws according to DIN ISO 3408
- Access to integrated manufacturer catalogs, e.g. THK, INA, CPC, Star
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