The Galaxy gear from Wittenstein belongs to a separate category of gearboxes. It is known for its innovative design, which uses multiple moving toothed pulleys to transmit torque. This design enables exceptionally high precision and performance and is often used in High performance applications used where traditional gear types such as planetary gear or spindle gears are not sufficient.

Contents

• Working principle of the galaxy gear
• Drive system for small milling heads and smart transmission
• Galaxie gearbox with new design and sizes

Working principle of the galaxy gear

The Galaxy gearbox is characterized by extreme torque density, high torsional rigidity, synchronization quality and positioning accuracy absolute freedom of play. Discover the working principle:

Drive system for small milling heads and smart transmission

July 17.07.2019, XNUMX | Wittenstein is presenting, among other things, the Galaxy drive system in a compact version. The company is also introducing smart gearboxes that are suitable for industrial use integrated sensors are equipped and have IO-Link connectivity.

According to the manufacturer, Galaxy is due to the design superior gear type scientifically proven and recognized in important industries such as high-performance machine tool construction. The completely redesigned gearbox design is responsible for the freedom from backlash, the very good synchronization with high rigidity, torque density and overload capacity.

This is characterized by dynamized individual teeth instead of a rigid toothed ring, a tangential and, under load, full-surface hydrodynamic contact during tooth engagement, and the new type of bearing with a segmented outer ring. There is now a compact version Galaxy D in size 085 for use in smaller milling heads and handling axes. It meets the special requirements for torsional rigidity and freedom from play. The ultra-flat Galaxy DF will also be presented in sizes 110 and 135.

Cynapse functionality and Industry 4.0 capability

The Cynapse functionality The smart transmission includes a fully integrated sensor module, data output via IO-Link with the resulting I4.0 connectivity as well as logic functions for actual and threshold value monitoring of selectable parameters.

The gearboxes can record and save different influencing variables from the process and the operational environment that affect the gearbox during operation and communicate with automation systems and all common IIoT platforms.

Galaxie gearbox with new design and sizes

February 20.02.2018, XNUMX | Wittenstein presents further developments of its Galaxie drive system, including a new size for axes with high requirements for compactness and precision at low to medium torques, an ultra-flat design and a gearbox version with or without hypoid pre-stage for the space-saving machine integration. Practical trade fair models show these as well as the use and advantages of gears in machine tools, milling heads and Robotwelding guns.

Since the product launch on the Hannover Messe 2015 and winning the Hermes Awards the drive system has achieved the scientific status of an independent transmission type. As a result, it will soon be included in a standard work on machine tool construction.

There are five different sizes and a new design. These include the compact version Galaxie D in size 085 for use in smaller milling heads and handling axes with special requirements for torsional rigidity and freedom from play, the ultra-flat Galaxy DF in sizes 110 and 135, which saves up to 30% in length, and the gearbox variant Galaxie GH with a optional angle preamplifier. About flexible encoderThe gearbox can be easily integrated into existing machine concepts using interfaces.

Planetary gears & strain wave gears precision from Schaeffler

Using a Galaxy drive system equipped with sensors, the transfer of operating data to an IoT cloud is demonstrated for the first time. In the future, data can be collected over the entire life cycle of the drive, regardless of the respective steering, accessible anywhere and across all devices.

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