NGC Offshore Platform Lifting Gearbox Passes the Certification of ABS New Rules

The overload test and disassembly inspection of Tianjin Desai offshore platform lifting gearbox were done with the witness of ship owner and ABS surveyor from January 25 to 26. The gearbox is designed and produced by Nanjing High Accurate Marine Equipment Co., Ltd (NGC Marine Company).Under two times overload testing, all test result could satisfy the designing and load requirement, and were approved by ABS surveyor.This success is a practical breakthrough for NGC in offshore engineering equipment, and NGC also becomes the first manufacturer in the world, which passes the new type approval after the execution of new ABS rules regarding offshore engineering equipment (implementing on January 1st 2013).

This offshore platform lifting gearbox is designed with multiple-stage planetary structure, and is featured with large speed ratio, super large torque and large modulus, etc. This type of gearbox belongs to offshore petroleum jack-up transmission equipment, which is designed and produced abroad, and is also included into the range of Twelfth Five Plan in aspects of high end equipment manufacturing industry. This gearbox is very complicate, and has very high requirements to the reliability and accuracy of key components. The gearbox is made of special material of strict performance requirement. NGC Marine Company has set up special R & D team to focus on the gearbox designing and process control based on ABS new rules. The critical procedures, such as material purchase, technical process formation, machining, heat treatment, etc are all approved by ABS.

NGC Marine Company also supplies the tunnel thruster and azimuth thruster to this offshore platform. NGC is capable of the package supply of self propeller jack-up transmission system, and is always dedicated to provide reliable and high quality service to offshore engineering equipment industry.