Spin is the important element here, since at first spinsters were young women whose main labor was to work at spinning flax or sheep's-wool into tread or yarn.
It shows that rotor spinning yarn with resistance torque element could improve the twisting effect in rotor spinning yarn, and further improve its strength.
测试结果表明，加装阻扭件的转杯纱可以适当改善转杯纺的加捻效果，进而适当提高了转杯纱的成纱强力。
3
An analysis of spinning quality defect on aluminium sheet taper was carried out and studied based on simulation of spinning by finite element method.