Functionality and applications
In linear movements, the motor torque is applied to the screw in the opposite direction. This torque has to be braced by a linear guidance.
Radial loads or overturning torques reduce the life of the screw-nut systems. With the companion structure, make sure that the motor and screw-nut system are flush with each other and that no radial forces are present.
SKT motors are suitable for screw-nut systems such as roller or ball screws. As a rule of thumb, roller screws can support larger forces with smaller diameters while ball screws offer better dynamic performance and are more cost-effective.
Flexibility via modular concept
The modular design of SPINDASYN linear drives with respect to performance, screw diameter and axial force allows them to be specifically adapted to various applications. There is the choice from models with hollow through-shafts or blind hollow shafts, so that there is the option of limiting the strokes or not.
Compared to hydraulic systems and linear direct drives, SPINDASYN offers significantly higher efficiencies. Thus the customer achieves a better overall energy efficiency.
Extremely compact design
Since SPINDASYN includes an integrated screw, an entire linear drive with minimal dimensions can be designed. All of the functional elements such as the servo motor, bearing, DIN fitting for screw nuts, holding brake and encoder system are concentrated together as a compact unit within a single enclosure.
The integrated bearing eliminates the need for shaft couplings and significantly reduces the number of bearing points required. With the stiffness enclosure and the amply dimensioned power-train components, the entire system provides extreme stiffness.
High dynamic performance
Since the design is extremely compact, the moment of inertia is also very low. The servo motor offers high power and acceleration ratings as well as high overload capacity. Of special note, the torsionally stiffness connection to the screw nut allows very dynamic controller settings to be used.
Reduced design complexity
The ready-to-install unit consists of a servo motor, heavy duty bearing and multiturn absolute encoder and can be connected directly to a screw nut.
IP54 protection rating
With IP54 protection rating, these motors are also suitable for harsh environments.
Installation at any location
Fitted with sealed bearings, SPINDASYN units can be installed in any location. According to customer application, the bearings can also be re-lubricated.
Since SPINDASYN uses high-torque motors with sealed enclosures, they are practically maintenance-free and offer high availability. The integrated temperature sensors protect the motors against thermal overloading. Depending on the lifetime lubricated angular contact ball bearings and tapered roller bearings may have to be re-lubricated.
Heavy duty applications and high speeds
SPINDASYN hollow shaft motors are an efficient alternative to existing hydraulic solutions or linear drives in applications where high loads have to be moved at various different speeds.
Highest power density through liquid cooling (optional)
Liquid-cooled motors are compact in design and offer higher dynamic performance through less moving mass. Since the motors weigh less and are smaller in size, they are also easier to install.