BMG’s range of mechanical power cylinders includes eco-friendly Tsubaki zip chain actuators, which are linear actuators that utilise the world’s first zip chain.
“These compact actuators, which have been designed for high speed, high frequency operation, use about a 30th of the energy of equivalent hydraulic actuators,” says Carlo Beukes, BMG’s power transmission product manager. Tsubaki actuators, with a multi-point stopping capability and a multi-level position setting for easy position control, ensure increased productivity and reduced energy usage in diverse industries. They are used in any application requiring linear actuation, including production lines for automobiles, semi-conductors and LCDs. They are also designed for use in the medical sector and for home automation.
Two lengths of chain lock together like a zipper to form a single rigid column which is capable of pushing and pulling. When they withdraw and uncouple, they coil back compactly into plastic storage cases. This design offers significant space savings compared with conventional linear actuator mechanisms. Another advantage is the range of installation options – the units can be positioned vertically, horizontally or hanging. Another important feature is the incorporation of an electrical brake-motor, a servo motor or a geared motor, encompassing Tsubaki’s highly efficient zip chain technology.
Proportional motor and sprocket rotational speeds ensure constant operational speed. This allows easy multi-point stopping and multi-level positioning. The zip chain ensures high speed operation up to 1000 mm/sec compared to conventional screw, hydraulic or compressed air actuators. The integration of dedicated sprockets ensures high efficiency in all applications.
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