This part of GB/T 19386 specifies the winding types of yarns and intermediate products (such as flat yarns, roving slivers, etc.) wound on various bobbins. This section applies to spinning, twisting and winding machinery, and other machines with winding devices. All types of winding are the combined result of package rotation and yarn reciprocation.
GB/T 19386.2-2004 history
2004GB/T 19386.2-2004 Textile machinery and accessories-Packages of yarns and intermediate products-Part 2:Forms of winding