1- Mikell P.Groover, ""Automation, Production Systems, and Computer-Integrated Manufacturing”, 4th Ed., 2015.
2- https://www.youtube.com/watch?v=vUkvBp12H5I
3- https://www.amobgroup.com/en/products/cnc-pipe-bender
4- Kalpakjian-schmid, ""Manufacturing Processes for Engineering Materials”, 4th Ed., 2003.
5- Hakan Gurocak, ""Industrial Motion Control Motor Selection, Drives, Controller Tuning, Applications"", 2016.
6- Wilfried Voss, ""A Comprehensible Guide to Servo Motor Sizing"", 2007.
7- Giancarlo Cusimano, ""Influence of the Reducer Efficiencies on the Choice of Motor and Transmission: Torque Peak of the Motor"", Journal of Mechanism and Machine Theory, 2012.
8- https://products.swagelok.com/en/tubing-tube-accessories/tube-benders/electric-tube-benders/c/805?clp=true
9- https://sizing.orientalmotor.co.jp/