Torque Assembly Systems (TorquePRO)

From the typical to the complex and from the light loads to very high torque, the Promess family of TorquePRO systems offers a complete solution for Builders and End Users. The TorquePRO has the ability to both control and monitor the rotational torque and angle in real time through a closed-loop feedback system.

Standard TorquePRO: The ideal solution for torque assembly and test applications up to 200Nm. Sleek, compact design allows for easy integration into new or existing equipment. Every system is designed with built-in mechanical overload protection, making it virtually impossible to damage the torque transducer through unexpected torque spikes.

Hollow Shaft TorquePRO: Tired of testing components for torque functionality prior to assembly with the knowledge that the characterization will change once the final mating is done? Explore the possibilities that the Promess Hollow Shaft TorquePRO’s can offer to eliminate this ‘test before assembly’ headache.

Features & Benefits

  • Move to an angle
  • Move to a torque
  • Move to multiple positions and torques within same program
  • Hold a constant torque
  • Data acquisition and analysis
  • Signature monitoring


  • Advanced data analysis
  • Easy to integrate
  • Base mount / face mount options
  • Smooth running servo technology
torque testing full system rotate

TorquePRO Systems Include

Flexible System Configurations

  • Integrated torque spindle package
    • Integrated torque transducer
    • Servo Motor
  • Plug and run design
  • Torque transducer is mechanically protected from overload conditions
  • Easy to couple to
  • Flexible mounting; face or base mount available
  • Compact
  • Integrated angle / position sensing

Standard TorquePRO
Torque Capacity Max Speed
Nm Lb-in RPM
5 44 250
20 177 250
50 442 250
100 885 250
200 1,770 250
500 4,425 100
1,000 8,851 75
2,500 22,127 20
5,000 44,254 10
10,000 88,507 4
Hollow Shaft TorquePRO
Sizes Available upon request

*Other sizes are available.



Bearing Torque

The first test is to measure the breakaway torque as the outer race is held and the inner race is turned. When the bearing is rotating, the average torque is measured over several rotations.

Gear Characterization

The resistance torque of the gear train is measured by driving and measuring the torque on the input shaft. Then the backlash throughout the gear travel is measured on the fly.

Seat Latch Function

The first task in the process is to perform a break-in function by exercising the part through its full motion a predetermined number of times. After the break-in, the part is rotated through its full motion (one time) to measure the maximum and minimum torque values. The seat latch is then moved to the ship position.

Hinge Tension Adjustment

The door hinge is first exercised in both directions and the peak torque is captured and stored. Then, based on the peak torque measured, the spring tension is adjusted to increase or decrease the amount of torque needed to rotate the hinge over the detent.



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