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The paper deals with the existing methods of force-torque sensor calibration with a number of components from one to six, analyzed their advantages and disadvantages, the necessity of introduction of a calibration method. Calibration method and its constructive realization are also described here. A calibration method allows performing automated force-torque sensor calibration both with selected components of the main vector of forces and moments and with complex loading. Thus, two main advantages of the proposed calibration method are achieved: the automation of the calibration process and universality., {"references":["G. V. Pismenniy. Systems force-torque sensitizing robots. Moskow, mechanical engineering, 1990.","Qiao-Kang Liang et al., Design of a Novel Six-Dimensional Force/Torque Sensor and Its Calibration Based on NN, ICIC 2010, LNCS 6215, Springer-Verlag Berlin Heidelberg 2010.","Ke-Jun Xu Study on Dynamic Characteristics of Six-axis Wrist Force/torque Sensor, Sensors, Focus on Tactile, Force and Stress Sensors, Book edited by: Jose Gerardo Rocha and Senentxu Lanceros-Mendez, ISBN 978-953-7619-31-2, pp. 444, December 2008, I-Tech, Vienna, Austria.","Bo Wu et al.; Decoupling Analysis of a Sliding Structure Six-axis Force/Torque Sensor; Measurement Science Review, Volume 13, No. 4, 2013.","Ma Yingkun et al.; Hybrid calibration method for six-component force/torque transducers of wind tunnel balance based on support vector machines, Chinese Journal of Aeronautics, 2013,26(3): 554–562","D. Braun, H. Wörn.; Techniques for Robotic Force Sensor Calibration. Proceedings of the 13th international workshop on computer science and information technologies CSIT'2011, Garmisch-Partenkirchen Germany, 2011."]}