Help is a software calculator that helps you to design and verify machine elements according standard. These calculations are often tedious, error-prone and in sum very time-consuming. The online calculator offers remedy: With mechanicalcheck all converting calculations can be done quickly, properly and well documentated.

General information about the user interface

Please fill in all input boxes. Output boxes in grey ('output') are only for information and are locked.

Results are displayed after all necessary data has been entered. Otherwise the output-fields display 'output'.

Data from a selection list is sent immediately to the system and the page will be updated. Data from selection lists are linked with each other, possible selections from lists will be updated as well. Thus only possible combinations can be selected. If you wish to reset your selection, please select '-' from the selection list. If you wish to reset all lists, you can reset the whole page by clicking 'calc' in the title-section.

Fit process

The stiction coefficient is also influenced by the assembling process. The value of stiction is approximately 0.14 for combination of steel/steel if the hub is heated up in an electrical oven up to 300 ° C (process 1). A higher value of 0.2 could be assumed, if fitting faces are additionally degreased (process 2).