Process analysis of the grooving arbor: (1) The double-station processing of the bearing end of the output end and the input end, the angle tolerance of the two axes is small, and the fixture adopts the double-station positioning mode on the machine tool. (2) The two axes must intersect at.......

Recently, the 6th China National Internal Combustion Engine Industry Association’s 6th All-China National Congress and the 1st 6th Board of Directors were successfully held in Beijing. After expert review, the opinions of various parties and the influence of the company in the ind.......

By the end of 2014, China’s State Grid City’s cable rate reached 47.1%. Generally speaking, most of the city’s underground cables use copper core cables, while the aluminum core cables are used in areas such as the coast where overhead lines are needed. Although the price .......

The double roller crusher is mainly used for the crushing of medium or
lower-hardness mines and rocks with medium or lower rigidity in the trade of
cement, metallurgy, chemical industry, electric power, coal and other
industrial. The crushing materials include limeston.......

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