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STK Torque motors kits are motors in rotor-stator kits without bearings, casing and flanges intended to be integrated into the user’s mechanics to optimize and simplify the kinematics of servomechanisms in direct drive without reducers. Indeed, the STK torque motor kits have essential advantages for their integration into automated axes in direct drive, which can be listed as follows:
These integration qualities thus make it possible to create what is called a motor/load mechatronic function which revolutionizes the traditional principle of the motor/gearbox coupling. The gains for the integrator are the kinematic simplification, the increase in precision and the elimination of play, the elimination of maintenance and consequently a lower installation and operating cost.
The applications appeared originally in the machine tool field and then in most industrial automation such as extrusion machines, glass machines, woven and non-woven textile machines, pneumatic industry, machines for the manufacture of electronic components… These motors are now used in the machinery of theater stages thanks to their silence, amusement parks, land and underwater vehicles.
Download the datasheets now:

Main Characteristics
Continuous torque from 8 Nm up to 2708 Nm continuous in natural convection depending on size and up to 6100 Nm in fluid cooling.
Six external diameters from 145 mm up to 800 mm.
Internal diameter from 56 mm up to 630 mm.
Various available windings from 30 rpm up to 1500 rpm depending on type.
Rotor non dynamically balanced; if needed balancing has to be made by the user on assembled rotor
For environment and integration constraints, please request our STK handbooks for assembly
Frameless design: one rotor and one stator to be integrated inside user’s mechanics
Advantages
STK Kit Motors – Technical Data
145 STK Motors
Permanent torque in natural convection: from 8 to 47.4 Nm
Torque in fluid cooling: from 15 to 120 Nm
Maximum torque: from 27.5 to 220 Nm
Nominal speed: from 500 to 1500 rpm
300 STK Motors
Permanent torque in natural convection: from 8 to 47.4 Nm
Torque in fluid cooling: from 15 to 120 Nm
Maximum torque: from 27.5 to 220 Nm
Nominal speed: from 500 to 1500 rpm
500 STK Motors
Permanent torque in natural convection: from 8 to 47.4 Nm
Torque in fluid cooling: from 15 to 120 Nm
Maximum torque: from 27.5 to 220 Nm
Nominal speed: from 500 to 1500 rpm
Hollow shaft: diameters 56 mm as standard
190 STK Motors
Permanent torque in natural convection: from 8 to 47.4 Nm
Torque in fluid cooling: from 15 to 120 Nm
Maximum torque: from 27.5 to 220 Nm
Nominal speed: from 500 to 1500 rpm
Hollow shaft: diameters 56 mm as standard
400 STK Motors
Permanent torque in natural convection: from 8 to 47.4 Nm
Torque in fluid cooling: from 15 to 120 Nm
Maximum torque: from 27.5 to 220 Nm
Nominal speed: from 500 to 1500 rpm
Hollow shaft: diameters 56 mm as standard
800 STK Motors
Permanent torque in natural convection: from 8 to 47.4 Nm
Torque in fluid cooling: from 15 to 120 Nm
Maximum torque: from 27.5 to 220 Nm
Nominal speed: from 500 to 1500 rpm
Hollow shaft: diameters 56 mm as standard
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