Analysis Of Electronic Twist Tester

To determine yarn twist in single or plied yarn, quadrant type with auto stop & reverse for conventional or untwist/re-twist methods. Test length adjustable up to 50 cm / 20 inches for S & Z twist yarn.It has been designed specially to meet the growing demand of the textile industry for an accurate instrument to measure the twist in the twisted yarn. The yarn twist testing machine has facility of both untwist/twist methods for measurement of TPM of twisted yarn.

Different models are available. The system consists of a set of clamps, one of which rotating and the other fixed. The rotating clamp is driven by hand through a speed increasing arrangement (by the motor in the motor operated model) and a five digit resettable revolution counter (digital counter in motor operated) to count the number of twists. The fixed clamp is pivoted on jewel bearings and carries off a pendulum arm having a sliding weight to give the desired tension to the yarn. The fixed clamp assembly can be moved over a guide bar for setting the required test length of yarn which is indicated on a strip scale fixed to base against a pointer attached to the moving assembly.

This Electronic Twist Tester is composed of control box (digital display), tension mechanism,  yarn setting fame and so on. The rotation direction, rotation speed, start and stop control of the main engine solution twist clamp is controlled by the control box. The distance of the instrument can be adjusted, the tension of the test is exerted by the vertical needle lever, and the zero self - stop is acheived by the photoelectric sensor.