This standard specifies the terms and definitions, test conditions, test methods and test reports for durability testing of overlock sewing machines. This standard is applicable to the durability test of platform-type overlock sewing machines (hereinafter referred to as sewing machines), and other models may be implemented as a reference.
QB/T 4602-2013 history
2013QB/T 4602-2013 Industrial sewing machine.Test method of durability for overlock sewing machine