T/GYDX 002-2019 Active Group standards

T/GYDX 002-2019 Light pole flange plate

Publish Date: 2019-12-15 Implement Date: 2019-12-30 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/GYDX 002-2019

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Lighting fixtures and accessories

ICS Name: \nLighting installation system

Publish Date: 2019-12-15

Implement Date: 2019-12-30

Scope

Main technical content: 4.1 The materials used for manufacturing flanges shall comply with the design specifications. When there are no explicit requirements in the design documents, materials with performance superior to Q235 shall be used. 4.2 The thickness of the flange plate shall comply with the design specifications. Its tolerance shall meet the requirements of GB/T 709. 4.3 The dimensions of the oval holes shall comply with the design specifications. The diameter tolerance shall not exceed ±0.5mm. 4.4 The rotation of the oval holes shall be ±5°, that is, the rotation angle β shall not exceed 10°. 4.5 The tolerances of the edge length and outer diameter of the flange plate shall be ±3mm, and the tolerance of the pitch circle shall be ±1mm. 4.6 The roughness of the oval hole wall shall be , and the roughness of the outer peripheral wall of the flange plate shall be . 4.7 The flatness tolerance of the flange plate shall not exceed 1.0mm. The appearance of the flange plate shall be clean, without obvious rust, and without obvious sharp edges or burrs.