Professional Standard of the National Technical Committee for Ship Standardization CB *82—88 Neck diameter of ship shafting Published on May 25, 1988 National Technical Committee for Ship Standardization Implemented on December 1, 1988 Professional Standard of the National Technical Committee for Ship StandardizationNeck diameter of ship shafting Subject content and scope of application This standard specifies the neck diameter of ship shafting. CB*82--88 Classification number: U48 Replaces CB*82—78 This standard applies to the journal diameter of the sliding intermediate bearing, thrust bearing and bulkhead stuffing box of the ship shafting. This standard does not apply to the journal of the propeller shaft and the journal supported by the rolling bearing. 2www.bzxz.net Neck diameter supported by sliding bearing The journal diameter supported by sliding bearing is shown in the figure and table below. 7 Note: ① Avoid using the dimensions in brackets 50 as much as possible ② The relationship between the journal diameter 1z1 of the intermediate shaft and thrust shaft and the basic diameter (D> should meet the following requirements: when D<300mm, Dz+5mm; When D=300~500mm.z~n+(5~10)mm; when D>500mm, Dz≥(10~20)mm③ The R angle is not less than F0.1D. Approved by the National Technical Committee for Ship Standardization on May 25, 1988 (65) Implemented on December 1, 1988 Additional remarks: CB *8288 This standard was proposed by the Ocean Transport Ship Subcommittee and is under the jurisdiction of the Shanghai Ship Design and Research Institute. This standard was drafted by the 708th Institute of the 7th Research Institute of China State Shipbuilding Corporation. The main drafters of this standard are Zheng Yuanfang and Hu Zhengqin. Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.