T/ZAJT 1-2020 Active Group standards

T/ZAJT 1-2020 Properly-secured guitar

Publish Date: 2020-05-15 Implement Date: 2020-06-15 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/ZAJT 1-2020

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Musical instruments

ICS Name: Musical instruments

Publish Date: 2020-05-15

Implement Date: 2020-06-15

Scope

Scope: This standard specifies the terms and definitions, structure and classification, technical requirements, main raw materials, test methods, inspection rules and marking, packaging, transportation, and storage of classical guitars. This standard applies to the production and sales of classical guitars. Main technical content: 1. The glue between each component must be free of excess glue and be firmly bonded. 2. The ends of the frets should be straight, and the frets should be parallel and have consistent widths between them. There should be no gaps between the frets and the fingerboard, and there should be beveled edges and no burrs at both ends. 3. The junction between the neck and the resonance box should be located at the 12th fret for classical guitars and at the 14th fret for folk guitars. 4. The neck should have a certain curvature, be smooth on the surface, not easily deformed, and be comfortable to play. The thickness of the neck and fingerboard at the 1st fret for folk guitars should be 22±1 mm, and for classical guitars it should be 22±1 mm; at the 8th fret, it should be 23±1 mm for folk guitars and 24±1 mm for classical guitars. 5. The surface of the fingerboard must be smooth, and the frets can be marked on the front or side of the 1st, 3rd, 5th, 7th, 9th, 12th, 15th, 17th, and 19th frets. 6. The connection between each component must be firm and not allowed to come loose. 7. There should be no cracks between the saddle and the soundboard. 8. When the strings are installed and tightened, there should be no slipping phenomenon; after the strings are adjusted, they should conform to the standard tuning, and there should be no buzzing phenomenon when playing. 9. The tuning pegs should be installed properly, with flexible rotation and appropriate tension, not slippery, and there should be no out-of-tune phenomenon when playing. 10. The upper nut should be in close contact with the upper end of the fingerboard, with a width consistent with that of the f