Browse Publications Technical Papers 2020-01-1322

Design of the powder metal shift fork and sleeve 2020-01-1322

The paper will present the design of shift fork for automotive manual gearbox dedicated for the manufacturing with help of powder metal technology. Based on limitations and requirements of new production technology of shifting sleeve, a new prototype of shifting sleeve is created, for which are new shifting forks then designed. The form of the prototype of the shift sleeve respected the requirements of the new technology, but from cost reason, it was manufactured from steel. The shift fork was changed accordingly to the new form of the shift sleeve. The functionality of several forks with different tolerances was tested. Prototypes were put through functional and durability tests on testing bench in real automotive gearbox. The test were accomplished on the inertia test stand. Drawings and CAD models of tested prototypes, custom tools and designed shift forks will be described.


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