为逐步赶上国外船用齿轮箱的先进水平,提高三化程度,更新产品、更好地满足国内外用户的需要,杭州齿轮箱厂于一九七九年底开始研制300船用齿轮箱,一年多来,经两轮样机的设计、试制、台架性能试验,实船航试,各项性能指标均达到设计任务书的要求。最近已由省农机局主持通过技术鉴定。 In order to gradually catch up with the advanced level of foreign marine gearboxes, increase the degree of three, update products, and better meet the needs of domestic and foreign users, Hangzhou Gearbox Factory began to develop 300 marine gearboxes by the end of 1979, more than a year In the past, after two prototype designs, trial production, bench performance tests, and real ship pilot tests, all performance indicators met the requirements of the design mission book. Recently, the Provincial Agricultural Bureau has presided over the technical appraisal.