QB/T 4180.1-2011 (English Version) PDF

Scope: This standard specifies the definition, product classification, requirements, test methods, inspection rules and markings, packaging, transportation and storage of high-speed lockstitch machine spindles for industrial sewing machines. This standard is applicable to the spindles of various types of high-speed lockstitch sewing machines. The spindles of high-speed double-needle lockstitch machines, high-speed zigzag sewing machines, chain lockstitch machines, etc. can also be used as a reference.

QB/T 4180.1-2011 Referenced Document

GB/T 1031-2009 Geometrical Product Specifications(GPS).Surface texture:Profile method.Surface roughness parameters and their values
GB/T 11852-2003 Tolerances and specification of taper gauges
GB/T 1800.2-2009 Geometrical Product Specifications (GPS) Limits and fits--Part 2:Tables of standard tolerance grades and limit deviations for holes and shafts
GB/T 1957-2006 Tolerances and general features for plain limin gauges
GB/T 1958-2004 Geometrical Product Specifications(GPS)Geometrical tolerance Verification prescription
GB/T 2828.1-2003 Sampling procedures for inspection by attributes--Part 1: Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection
GB/T 2829-2002 Sampling procedures and tables for periodic inspection by attributes (Apply to inspection of process stability)
GB/T 4340.1-2009 Metallic materials.Vickers hardness test.Part 1:Test method
GB/T 6060.2-2006 Roughness comparison specimens - Ground, turned, bored, milled, shaped and planed

2011 QB/T 4180.1-2011 Industrial sewing machine.General requirements for main shaft.Part 1: High speed lockstitch sewing machine main shaft