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Motorised lead screws offer more thrust, smaller footprint

03 May 2015

Thomson Industries' new range of motorised lead screws combine a hybrid stepper motor and lead screw in one, compact package.

These units can offer up to 30 percent more load capacity than comparable products, without increasing installation footprint. The more efficient motors used in the range are cooler running, so that greater torque can be generated using higher power input without overheating. 

Traditional lead screws with direct couplings are permanently attached to the motor, making them difficult to replace and maintain. Thomson’s Taper Lock technology enables quick connection or decoupling of the lead screw and the stepper motor. Using Taper Lock also assures that the connection between the lead screw and motor is secure, robust and correctly aligned.

The motorised lead screws are available in two motor configurations: rotating screw and rotating nut. NEMA frame sizes between 11 and 23 can be selected with various lead screws available in metric and imperial sizes.

Stepper resolutions range from 0.005mm to 0.1mm and the NEMA 23 variant delivers a maximum axial thrust of up to 890N. Single and double stack configurations are also available where more load capacity is required. A customisation service is available.

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