洛阳东方红拖拉机厂三吨模锻锤生产的东方红-75、东方红-40拖拉机和东方红-665汽车三种产品的零件中有47种锻件。按两种拖拉机的规划年产纲领为2885吨,其中需经调质处理的零件14种1624吨,约30万件之多,占一台三 Luoyang Dongfanghong Tractor Factory Three tons of forging hammer production Dongfanghong -75, Dongfanghong-40 tractors and Dongfanghong -665 car parts of the three products 47 kinds of forgings. According to the planning of two tractors with an annual output of 2885 tons of programs, of which 14 parts need to be quenched and tempered 1624 tons, about 300,000 as much as a three