Both raw silk size and fineness indicate raw silk coarseness despite of their different defintions This article thoroughly analyzes the two parameters based on their respective definitions and the principle of denierer of automatic reeling machine,with suggestions made on the intensive detection and research of raw silk finenes

Describes a simple,continuous and direct raw silk size testing method capable of controlling the size of raw silk in reeling for better quality, with the dynamic size tester design principle,test and control expounded,and some factors affectingthe test precision pointed out.