Our Jäger Motor Development

Alfred Jäger GmbH places great emphasis on in-house development and production.

The global success of Jäger High Performance Spindles is carried out through our philosophy: “everything from a single source”. The development and production of our own motor components plays a major role in our success. Compact design and high performance are what set the motors in our spindle systems apart.

The trouble-free performance of our motors is examined and documented on our own in-house test stand. The performance charts in our catalogue always indicate “S1” operation – meaning that the indicated spindle performance is available 24 hours a day, 7 days a week. In addition to this, we also calculate “S6-60%” operation and “S2-Pmax 5 sec”.


The frequency converters necessary for spindle drive are optimally adjusted to the motors on our in-house test stand, and thereby contribute significantly to the high efficiency of Jäger High Performance Spindles.