Applied Automation Systems Private Limited offers Ring Disc Variator System. Applied Automation Systems Private Limited offers solution provider to the textile spinning industry. Ring Disc Variator System is primarily an accessory for ring spinning machines. It controls the spindle speed of the machine based on the spinning cop build by offering the possibility of arranging a selective and continuous spindle speed variation the speed variation adjustment helps in maintaining constant spinning. Ring Disc Variator System ensures that consistent quality yarn is produced at higher average speeds. This system comprises of 2 sets of movable discs coupled by a precision linear drive. This linear drive is controlled by promise - speed system to achieve set machine speed always during the entire doff cycle in smooth steps as defined through the interactive menu software on the computer.