Hygienic servo solutions for greater design freedom

With AKMH stainless steel motors, Kollmorgen has developed a scalable solution for motor tasks in the packaging, food processing and pharmaceutical industries. The motors promote an open machine design thanks to their construction. Therefore, because a covering is not required, cleaning is faster. Also, bacteria pockets are prevented from building up on the motor itself, which in turn reduces the risk of product contamination and possible recalls.

The AKMH range is constructed within the IP69K protection class for standard cleaning and also cleaning performed with steam jets. The use of stainless steel 1,4404 makes the servomotor corrosion-resistant, even against aggressive cleaning agents, says the company. Size two to six units are therefore used specifically in machines with direct product contact and for aseptic processes. The AKMH stainless steel motor effectively guides the heat loss away and thus lowers the derating. Consequently, the range, which is FDA-certified and has been developed in accordance with EHEDG guidelines, is said to deliver higher continuous torque with smaller volumes.

The clean power packages are connected consistently by a single cable that facilitates feedback with the SFD3 digital resolver or DSL Hiperface. One instead of two halves the installation complexity and is intended to make cleaning easier and reduce the risk of leakages.

The role of corresponding servo drives for use in hygienically demanding food and packaging industries is diminishing and Kollmorgen supports  this trend with its decentralised servo amplifiers from the AKD-N range. When placed in the direct vicinity of motors, the robust IP67 device can reduce the control cabinet volume and wiring effort by more than 80%, depending on the application. Also, owing to the fact that less heat is lost in the control cabinet, less air conditioning is required. The improved thermal properties of solutions that are spaced apart side by side prevent further derating and consequently, in comparison with solutions which are directly combined with each other, deliver 100% power.

According to Kollmorgen, because the AKD-N can be combined with any servomotor or rotary or linear direct drives, the design possibilities are endless.  

Kollmorgen, www.kollmorgen.com.