T/CSMA 003-2017 Active Group standards

T/CSMA 003-2017 Industrial Sewing Machine Computer Controlled High Speed Patchwork Sewing Machine

Publish Date: 2017-09-28 Implement Date: 2017-11-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/CSMA 003-2017

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Sewing machine

ICS Name: Sewing machines and other equipment used in the clothing industry

Publish Date: 2017-09-28

Implement Date: 2017-11-01

Scope

Scope: This standard specifies the terms and definitions, product classification, requirements, test methods, inspection rules, marking, packaging, transportation, storage, and quality commitments for computer-controlled high-speed overlock sewing machines used in industry. This standard applies to computer-controlled high-speed overlock sewing machines (hereinafter referred to as "overlock machines") used for sewing thin and medium-thick textile products. Main technical content: 5.1 Appearance quality: 5.1.1 The overlock machine and its packaging should be intact and free from damage; the information on the overlock machine's nameplate should be complete and fixed in a conspicuous position on the overlock machine. 5.1.2 The exposed parts and screw heads of the overlock machine should be free from burrs. 5.1.3 The electrical wiring and connectors should be arranged neatly and firmly. Clear markings should be provided, and the markings should be firm, clear, and durable. 5.1.4 Connection and wiring should meet the following requirements: a) All connections should be secure, with no risk of accidental loosening; b) Sufficient additional length should be provided to meet the needs of connecting and disconnecting cables and cable bundles; c) Protective wires should be installed near the relevant load wires to reduce loop impedance; d) Sharp angles, welding slag, and burrs in the wiring channel and insulation contact should be removed, and protective covers should be added to the vias; e) Electric wires and cables not protected by enclosed channels should be protected by insulating sleeves or insulating wrapping tapes during installation. 5.2 Machine performance: 5.2.1 Stitch length, hem width, differential ratio, stitch tension, thread output, and presser foot pressure should all be adjustable. 5.2.2 The cutter should be sharp, and the cut edges should be neat. 5.2.3 The stitch length should comply with Table 1. 5.2.4 The differential ratio should comply with Table 1