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The quality of mill equipment installation, is the key to ensure the normal operation of the mill. Various types of ball mill installation method and sequence substantially the same as the ball can ensure smooth operation and reduce the harm to the building, it must be installed Reinforced concrete foundation for the weight of 2.5 to 3 times on The base should be playing on a solid soil, and the plant-based minimum of 40 to 50 mm distance when mill equipment installation, first install the main bearing. In order to avoid aggravating the shoulder of the hollow journal bearing liner wear, the two main bearing base plate of elevation difference in the per meter length should not exceed 0,25 mm. Next, install the ball mill cylinder unit, combined with the specific conditions can be pre-assembled unit mounted directly on the entire English, can be divided into several parts to install, and should examine and adjust the center line of the journal and the ball mill, the concentricity error must ensure that every meter of length should be less than 0.25 mm. Finally, mounted drive unit components (small gear, uranium, coupling, reducer, motor, etc.). During the installation process, technical standards should be measured and adjusted radial check ring gear and pinion differential swing The engaging performance; concentric reducer and pinion; and concentricity of the motor and reducer When all installations are desirable, it can be the foundation bolts and final watering main floor lifting gear bearing structure: lifting. Tools can be divided according to different structures light lifting equipment, hoist and overhead monorail systems and other categories. Small light lifting equipment including lifting tackle, spreader, jacks, chain hoists, electric hoists and winches general, most small size, light weight, easy to use. In addition to electric hoist, the vast majority with the human drive for work is not onerous occasions. ENTERPRISES Special lifting equipment industry currently engaged in special lifting equipment industry enterprises are mainly three Category: Individual lifting enterprises, state-owned crane company, foreign crane company. Lifting individual enterprises are operating relatively small lifting equipment, but with the development of the market, there are many private companies began to purchase large lifting equipment; lifting state-owned energy company mainly to the construction industry, type of construction, the company offers medium-sized lifting equipment the domestic market is relatively mature, which is now actively expand overseas markets, such as Sany, XCMG and other enterprises; foreign hoisting equipment company also actively open the Chinese market, strong power, but to the Chinese market is a process, for these multinationals to He said they were not easy in China's development.