Demanding tasks that require high torque are the servo motor’s primary discipline, and KEB says its DL4 servo motors set new performance standards for power while being particularly flexible in their connection to machine designs.
DL4 servo motors are designed to fulfil very high torque requirements. Compared to most of the motors on the market, KEB says they stand out due to their compactness and for the high nominal torques they can reach. Furthermore, the customisation of these motors makes it possible to adapt them to most machines and obtain truly excellent performances. The possibility of having different shaft designs and different types of feedback allows these motors to be adapted to individual customer needs.
These servo motors are particularly suitable for very stressful applications. In many cases, the environmental conditions and the operating cycle of the machine put a strain on the mechanical structure, bearings and windings. DL4 motors are designed to fit applications in different fields, from a wind turbine (pitch and yaw systems) to the machining of metals, wood and plastics. For example, in wood processing, the motors are subjected to constant high stress due to a combination of factors such as temperature and humidity combined with high torque requirements.
A number of servo motor variants are available. Starting from the mechanical variants available, the following solutions can be considered: mounting form B3 or B35 – smooth shaft, with key or splined. In some cases, it is also possible to have a hollow shaft version. On the electrical side, different types of windings, thermal sensors and position sensors are available. Last but not least, there is the possibility of having motors with natural ventilation or servo ventilation – the latter guaranteeing high nominal and peak torque levels.
In combination with the KEB COMBIVERT F6 drive controllers (servo inverters) as well as assembled encoder/motor cables, power drive systems can be created with perfectly matched optimal speed and torque characteristics, as well as providing high efficiency and easy start up.
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