Precision Roll Miniature Ball Screw

  • Super-slim miniature actuators, up to 26mm wide and 37mm high (palm-sized).
  • Unit featuring high rigidity, high accuracy and high durability and using precision roll miniature ball screws and linear guides.
  • Capable of high conveyor speeds, up to 20mm/s.
  • Five-phase stepping motors are used, enabling high resolution.
  • Lightweight designs makes these units ideal for mounting.

Specifications


Model Units SA 40-28 R SA 60-28 R SA 120-28 R
Stroke* (mm) 40 60 120
Repeated positioning accuracy (mm) ±0.01 
Maximum horizontal load capacity N(kgf) 39.2(4.0)
Maximum vertical load capacity N(kgf) 19.6(2.0)
Maximum laod moment N•m(kgf•cm) Mp:0.5(5.0) My:0.5(5) Mr:1.0(10)
Maximum speed (mm/sec) 120
Initial lost motion (mm) 0.01 max.
Lead (mm) 4
Resolution (mm/step) 0.008 (For full step)
Weight (kg) 0.29 0.32 0.37
Motor   Five-phase stepping motor, 0.35 A/phase (28mm x 28mm)
Sensor   Limit switch (mechanical, 1 point at motor side)
Operating temperature range (°C) 0 ~ 40

Maximum load moments -
Mp: Permissible moment in screw direction; My: Permissible yaw moment;
Mr: Permissible rolling moment
*For non-published strokes, please contact us.

Specifications Diagram




Model L1 L2 L3 S F N
SA 40-28 R 153 107 51 40 2 6
SA 60-28 R 173 127 71 60 3 8
SA 120-28 R 233 187 131 120 5 12

Wire Connection Diagram



Part Numbering System



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