Ball Screw Actuators
THK Ball Screw Actuators: Precision and Compactness
THK ball screw actuators are designed to offer high rigidity, high precision, and superior reliability.
By integrating an LM guide with a ball screw into a compact unit, they reduce the number of components, simplify installation, and minimize design labor.
Ideal for industrial applications requiring consistent performance, they ensure greater productivity and can be customized to suit diverse operational requirements.
VLA Series
It is a new compact actuator featuring a ball screw and a carriage sliding on caged ball technology.
They feature caged ball technology, enabling very smooth movements due to the low preload applied.
The carriage slides over a stainless steel protective strip that covers the screw. It also features a special laminar seal on the nut to protect against dirt.
It is available in two versions: the ST version with a moving carriage and metallic strip cover, and the CT version with a moving rod, configured like a pneumatic cylinder.
KR Series
This actuator utilizes its own body as the guide for the carriage's translation.
The body is made of hardened steel alloy, from which the raceways are ground. This characteristic, combined with the high quality of the screws, allows for high rigidity and high positioning accuracy.
They can be supplied with 1 or 2 carriages per rail and optionally with metallic protection.
SKR Series
This actuator is derived from the KR model, with the added feature of caged ball technology.
This feature allows for an actuator with high translation speeds (up to 6000 rpm input), very wide lubrication intervals, and high movement quietness.
THK SKR Series Datasheet THK Miniaturized SKR Series Datasheet
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