What the study found
The study found that periodically changing the diameter of the winding shaft can help disperse structural defects in tow winding, such as rope and tape winding. The authors report that the strongest effect was obtained at a diameter-change amplitude of 1 mm and a period of 22.5 thread-guide strokes.
Why the authors say this matters
The authors state that a device for dissipating structural defects can improve the quality of winding on a spinning self-twisting machine. They also conclude that automated control of package density and geometric parameters could improve package quality and, as a result, textile products.
What the researchers tested
The researchers examined a winding mechanism with a friction drive of the package for machines with constant product output speed. They proposed a device that periodically increases the winding shaft diameter and carried out a second-order factorial experiment to find rational operating modes. They then built a regression model linking a generalized winding structure quality indicator with the amplitude and period of diameter change.
What worked and what didn't
The experiment showed that the dissipating device affected winding structure quality, and the paper reports a clear change in winding structure when the device was used. The best effect of defect dissipation was found at Ddb = 1 mm and T = 22.5 of the thread-guide stroke, with a confidence level of 0.95 for the regression model.
What to keep in mind
The abstract does not describe detailed limitations beyond the scope of the experiment. The findings are specific to the winding mechanism, parameters, and machine context studied here.
Key points
- The study found that periodic changes in winding shaft diameter can disperse structural defects in tow winding.
- The strongest reported effect occurred at a diameter-change amplitude of 1 mm and a period of 22.5 thread-guide strokes.
- A second-order factorial experiment was used to identify operating modes for the device.
- The authors say automated control of package density and geometric parameters could improve package quality.
- The abstract does not provide detailed limitations beyond the studied setup.
Disclosure
- Research title:
- Periodic drum diameter change improved winding structure quality
- Authors:
- Mahammadali Nuraddin Nuriyev, Ganira Zargar Jabbarova
- Institutions:
- Azerbaijan State University of Economics
- Publication date:
- 2026-03-31
- OpenAlex record:
- View
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