NEUGART GmbH

Newly developed Neugart NDF gearbox

all about automation Straubing 2024

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Beschreibung

Design details fulfill specific requirements
The Neugart NDF gearbox meets these special requirements with numerous technical details: For example, the gearbox enables extremely fast changes of direction thanks to a low-inertia clamping system at the input stage, which improves the dynamics and thus the cycle time of the robot. At the same time, the torsional backlash is limited to <1 arcmin as a standard feature. The gearbox with the frame size 090 operates with three specially designed planetary gears in the input stage and four in the output stage. This significantly increases the torsional stiffness and the transmittable torque. Four two-stage transmission ratios, each between i=22 and i=55, are available. The output of the NDF has also received special attention in order to optimally meet the specific requirements of a Delta robot: The gear ratio at the output is i=5.5, which allows transmission of very high torques. The flanged output shaft with torque interface has 12 threaded holes (M8 instead of the usual M6), the output flange has 16 holes (instead of the standard eight for each). The gearbox output shaft only rotates back and forth through a limited angle in Delta robots because of their design, making lubrication more difficult. An optimized radial shaft sealing ring in the NDF ensures optimum sealing of the shaft during rapid changes of direction. A food-grade oil lubrication system is available as an option for the NDF. As an additional option, the NDF can be equipped with a stainless steel output shaft and a nickel-plated output flange. These options increase the corrosion resistance of the gearbox. As a result, it also tolerates frequent cleaning with aggressive media, which is essential in the food and pharmaceutical industries.

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