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KP1-MDC single-axis modular drive unit with counterbearing

The KP1-MDC single-axis modular unit consists of a drive and counterbearing with a hollow shaft. It enables simple and flexible implementation of customer-specific solutions and is available with a payload capacity of 500, 750, 1,000, 1,500, 2,000 or 4,000 kilograms. 

Advantages of the KP1-MDC single-axis drive unit:

  • Simple planning: 
    The KP1-MDC makes planning even easier – with its identical loading height and the same hole pattern up to 1,500 kg.
  • Modular design: 
    The modular structure of the positioners provides maximum flexibility for implementing individual customer solutions. 
  • Space-saving construction:
    The KP1-MDC single-axis positioners are modular, highly compact units and are even suitable for confined installations.
  • Infinite rotation: 
    Thanks to its infinitely rotating design, the KP1-MDC single-axis positioner is optimally positioned and can be used without limitation in any axis orientation.
  • Any installation position: 
    Deploy the KP1-MDC in floor, wall, angle or ceiling-mounted positions without any restriction on the function or precision.
  • Integrated hollow shaft: 
    There is a hollow shaft integrated into the counterbearing. In the KP1-MDC HW variant, the drive unit also has an integrated hollow shaft. This allows energy and fluids to be supplied in a particularly space-efficient and favorable manner.
  • Simple integration: 
    The length compensation of 5 mm integrated into the counterbearing enables compensation of tool carrier tolerances. 
  • Insulated face plate:
    The face plates are electrically insulated as standard. This simplifies the integration process and improves the longevity of the positioner, particularly in the case of arc welding.
  • High welding power:
    Weld with up to 1000 A with a duty cycle of 100%.

Data and variants of the drive unit:


 KP1-MDC500-2
 KP1-MDC750-2
 KP1-MDC1000-2
 KP1-MDC1500-2
 KP1-MDC2000 KP1-MDC4000  KP1-MDC250 HW  KP1-MDC500 HW KP1-MDC750 HW  KP1-MDC1000 HW 
Rated payload 500 kg 750 kg 1000 kg 1.500 kg
 2.000 kg
 4.000 kg
 250 kg 500 kg
 750 kg
 1.000kg
Pose repeatability

 0,009°

 0,009°

 0,009°

 0,009°

 <±0,06 mm     
 <±0,06 mm       
 <±0,06mm            
 <±0,06mm            
 <±0,06mm             <±0,06 mm            
Turning range with energy supply system +/–190° +/–190° +/–190° +/–190° +/–185° +/–185° +/–185°
 +/–185°
 +/–185°
 +/–185°
Turning range without energy supply system Infinite Infinite Infinite Infinite Infinite Infinite Infinite
 Infinite
 Infinite
 Infinite
Turning time (180°/360°)
  2,5 s / 4,2 s
 2,6 s / 4,3 s 2,3 s / 3,9 s 2,5 s / 4,1 s 3,3 s / 5,8 s 3,8 s / 6,8 s 1,9 s / 3,4 s
 2 s / 3,5 s
 2,1 s / 3,6 s
 2,3 s / 3,8 s
 Optional: rated welding current (100% duty cycle), infinitely rotating 500 A / 1.000 A 500 A / 1.000 A
 500 A / 1.000 A 500 A / 1.000 A 500 A / 1.000 A 500 A / 1.000 A 500 A / 1.000 A
 500 A / 1.000 A
 500 A / 1.000 A
 500 A / 1.000 A
Optional: rated welding current (60% duty cycle), infinitely rotating 590 A / 1.180 A 590 A / 1.180 A 590 A / 1.180 A 590 A / 1.180 A 590 A / 1.180 A 590 A / 1.180 A 590 A / 1.180 A
 590 A / 1.180 A
 590 A / 1.180 A
 590 A / 1.180 A

Download the product brochure about KUKA positioners and linear units here:

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