Spiral
A spiral movement can be facilitated by rotary and linear motions. A combination of these motions allows accurate and sophisticated positioning. THK's "Ball Screw Spline" has both Ball Screw and Spline nuts on a single axis to provide both rotary and linear motions from one compact design.
Applied spiral motion
Scalar robots
Scalar robots are used to transport and position workpieces within small areas. LM Guide systems are crucial for their high accuracy in both stroke movement and rotation on the Z axis, where high speed and low runout are essential.