The AM8800 stainless steel motor series is based on the Beckhoff AM8000, but has been supplemented by an all-stainless-steel housing in AISI 316L, designed according to FDA guidelines, and a stainless steel motor shaft. The series encompasses three sizes, each with three overall lengths, in power range extending from 1 to 8 Nm standstill torque. In designing the motor, corners and edges were avoided and drill holes and screwed connections largely dispensed with in order to prevent the accumulation of dirt. The flanges were implemented in B5 form and are compatible to the AM8000 series flanges, which simplifies the conversion of existing plants.
Power losses have been kept low through optimum connection of the stators to the stainless steel housing without the need for additional cooling. All AM8000 servomotors are equipped with a sensor for temperature monitoring, which passes the data to the drive via the single connection cable. The data can be processed in the higher-level controller in such a way that the motor can be controlled in relation to its temperature. This function is required when processing easily perishable food such as fish.
The stainless steel housing is extremely robust and insensitive to scratches and mechanical damage. Equipped with IP67 protection, optionally also IP69K, the AM8800 motors are suitable for cleaning under the high-pressure cleaners commonly used in the food and pharmaceutical industries. Connection using stainless steel ‘hygienic design’ cable glands ensures the permanent sealing integrity of the motors. As a special feature, the motors can be provided with a sealing air connection in order to prevent the formation of condensation inside the motor. They can also be equipped with a holding brake or multiturn encoder, depending on the requirements.
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