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101

7Applications

7.17 Rotary table drive

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Lenze · Drive Solution Designer · Manual · DMS 4.2 EN · 12/2013 · TD23

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7.17 Rotary table drive

A rotary table drive is often used for positioning processes in filling and packaging machines. The

table is placed horizontally, the payloads are arranged symmetrically.

The mechanics define the achievable speed and thus the dynamic performance of the positioning

process to a great extent, as well as the repeat accuracy and therefore the quality of the positioning.

Characteristics of a rotary table drive

• In the case of a rotary table drive a mass inertia has to be accelerated and decelerated again in

a rotary manner.

• Friction torques have to be overcome, which can be caused by the bearing friction and within

the machining process.

Requirements with regard to a drive system for positioning

• High dynamic performance to achieve short positioning times,

• High accuracy, according to the application

• High degree of reliability

7.17.1 Calculations

For a rotary table drive according to the drawing the following applies:

Moment of inertia

For the calculation of the moment of inertia no eccentric masses are taken into consideration.

[7-162] Equation 1: Moment of inertia

Dynamic torque of the application

[7-163] Equation 2: Dynamic torque of the application

sum

add

⋅+=

dyn

sum

α⋅=

1 2 ... 165 166 167 168 169 170 171 172 173 174 175 ... 495 496

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