Motorized Digitwist i9 Twist Tester

A Motorised Twist Tester is used to find out the accurate twist of all yarns except gummed silk yarn. It is operating under the principle of single untwist – twist method (twist contraction) for testing single yarns. Untwist only method for testing plied (and double) yarns. Triple untwist – twist method for opened yarns.

Paramount DigiTWIST i9™ (Motorized) is a Next Generation software driven Equipment. It consists of a fixed base on which the main scale is provided to set the length of the specimen yarn. A panel board is mounted on the right-hand side of the base to control and perform all operations of the instrument. On the left-hand side of the base, the tensioning device is provided to hold the yarn. This tensioning device is mounted on a moving carriage having stationery yarn gripper Jaw, elongation scale, tension (elongation relief) stoppers and a tension weight pan. The moving carriage can be adjusted up to 20 inches/50cms to set the length of the specimen yarn. A Carriage knob is provided on the moving carriage to lock it at any required gauge length. The rotating jaw (gripper) is mounted on left hand side of the control unit which is directly coupled with a high procession DC motor. A spring-loaded jaw is provided in the rotating jaw to hold the specimen yarn. A knurled rotary knob is fixed with the rotating jaw for manual rotation. A Fine speed controller is provided to adjust the speed of rotating jaw. A separate yarn bobbin stand is supplied to rest and draw the specimen yarn while testing.