This standard specifies the technical requirements, test methods, inspection rules, packaging, transportation and storage of pipe bending processing centers. This standard applies to pipe bending machining centers.
GB 5226.1 Safety of machinery--Electrical equipment of machines--Part 1: General requirements*, 2019-06-04 Update
GB/T 10089 Accuracy of cylindrical worm and wormwheel*, 2018-05-14 Update
GB/T 10095.1 Cylindrical gears—ISO system of flank tolerance classification—Part 1:Definitions and allowable values of deviations relevant to flanks of gear teeth*, 2022-10-12 Update
GB/T 10095.2 ISO tooth surface tolerance classification system for cylindrical gears - Part 2: Definition and allowable values of comprehensive radial deviation*, 2023-08-06 Update
GB/T 10923 Test code of accuracy for metalforming machine
GB/T 11365 Bevel gears—ISO system of accuracy*, 2019-10-18 Update