This part of GB/T 39655 specifies the manufacturing tolerances for marine propellers with a diameter greater than 2.5 m. Note: In some cases, it is allowed to make some adjustments to the deviation according to the judgment of the customer or the designer and the customer.
GB/T 39655.1-2020 Referenced Document
ISO 1302 Geometrical Product Specifications (GPS) - Indication of surface texture in technical product documentation
GB/T 39655.1-2020 history
2020GB/T 39655.1-2020 Shipbuilding—Ship screw propellers—Manufacturing tolerances—Part 1:Propellers of diameter greater than 2.5m