Constant tension yarn tester
LH-401 CTT-BU
Testing Machines Inc
The unique CTT design provides the ability to test natural and synthetic yarns as well as the high performance yarns such as carbon, glass or hybrid yarns that cannot be tested with conventional capacitive based systems. The CTT uses dynamic test principle to measure the yarn properties. This means every section of the yarn will be tested as the tension on the yarn remains constant.
The CTT test list includes Dynamic Tensile Strength, Elongation, Shrinkage, Friction (Yarn to Pin and Yarn to Yarn),Stick/Slip, Abrasion, Entanglement Count, Lint and Optical Yarn Evenness for hairiness, thick places, thin places, neps and slub count, which are all done on the same machine using different attachments. Switching from one test to another is very easy and it only takes seconds.
Operation
Maintains a pre-selected tension, between 0.5g and 700g, at a selected speed, up to 360 m/min. This function provides the capability to perform different test configurations. It also eliminates the tension variation of the yarn coming off the package.
Versatility
Any measuring head or testing apparatus can be mounted on the basic CTT unit and inserted into the constant tension zone.
Measures every millimeter of yarn at speeds up to 20 km/hour. The basic unit performs two significant tests:
* A. Dynamic Breaking Strength
* B. Weak Spot Detection
Endusers: Yarn manufacturers, fiber producers, weavers and knitters.
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