Reasons of entanglement defect of compound yarn in doubletwisting process is analyzed. Improving measures and regular operating method of equipment maintenance is proposed.
分析了倍捻加工过程中股线产生扭结疵点的原因，提出了设备保养维修方面的具体改进措施和规范的操作方法。
2
Smooth twisting belt made of plastics is simple in structure and pocesses the double functions of self-cleaning and heat transfer , but heat transfer is not large enough.
塑料光滑扭带具有自动清洗和传热强化的双重功能，结构又很简单，但传热强化功能不强。
3
Test result obtained with triple twisting method is the greatest, then is those obtained with doubletwisting method and one time back twisting and twisting method (GB 2543-81).