Drive Unit for Resistance Welder

Product Category:

Motor Drive & Controller

CNT-320A & NA-201P, NA-202P








  • Motor drive with 1μm resolution supports precise welding
  • It provides intuitive operation by color touch panel and lever jog switch
  • Soft-landing process with a slow moving speed of 0.1mm/sec is provided
  • Compatible to high pressure welding processes up to max. 300 N force. (When NA-202P is used)
  • Seven operation conditions can be saved
ItemsCNT-320A & NA-201P, NA-202P
Drive MethodMotor
StrokeMAX 50mm, 1μm Step
Power SourceDC24V ±10% 4A
(Option: AC Adapter AC100 – 240V)
/ Weight
CNT-320AW120 x D230 x H207mm ≈3kg
NA-201PW52.5 x D78.5 x H276.1mm ≈2kg
NA-202PW69 x D99.5 x H336.3mm ≈4.2kg

CNT-310 & NA-201









  • It equips with soft landing & teaching function
  • Operation speed can be switched by Five steps
  • Operation position can be set by Four points
  • Timing of welding can be confirmed by LED
ItemsCNT-310 & NA-201
Drive MethodMotor
StrokeMax 50mm, 10μm Step
Power SourceDC24V ±10% 2A (Option: AC Adapter AC100 – 240V)
Dimension / WeightNA-201 → W50 x D82.5 x H320mm ≈2kgCNT-310 → W80 x D211 x H188mm ≈2kg

Air Drive







Manual Drive

Drive MethodAirAir
StrokeMax 50mmMax 50mm
Speed Controlwith Speed Controller (Φ4mm Tube)with Speed Controller (Φ6mm Tube)
Air Pressure0.05 – 0.6MPa0.4 – 0.6MPa
Dimension / WeightW78 x D83 x H280mm ≈1.3kgW86 x D85 x H289mm ≈2.2kg


Drive MethodManual by Foot Pedal
StrokeMax 10mm
Height ControlRange 40mm
Dimension / WeightDrive Unit → W51 x D79 x H192mm ≈1kgFoot Pedal → W124 x D268 x H125mm ≈2.2kg