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MESYS Calculation Software

A load rating diagram can be configured at menu ‘Calculation’->’Load rating diagram’. It allow us to show four possible line charts, where the variables of the XY axes are compared against each other (Mz-Fx, Fx-Mz, Fy-Fx, Fx-Fy) while maintaining constant four types of values predefined by the user (see the picture). These diagrams are often used for slewing rings.

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In the following picture it is shown a graphic example of the load rating diagram by which tilting moment (Mz) is compared against axial load (Fx) for a security factor of 1, Maximal pressure of 3000 Mpa, 300,000 cycles and 50000 h.

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For each axial load the tilting moment is increased until the selected criteria are reached. The number of points used for one line and a tolerance for the calculation can be defined.