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The base component of the ore mill not only supports the whole weight of the machine, but bears the dynamic load resulted from the impact and vibration produced by the operation of the equipment. The loading capacity and the stability of the base are the most important factors that relate to normal work of the devices and at the same time, we should make sure that the base will be submerge or crack in the operational process of the mill, for this reason, the base of the equipment should be installed onto the solid foundation, and is has high and strict requirement to the weight of the steel concrete which must be two point five to three times of the grinder. As with any piece of complex equipment operating in a difficult environment and in order to protect your investment, both your operators and technicians need a good understanding of the equipment, how best to operate it safely and efficiently and care for it. For example, Raymond mill use and maintenance in the use of the process, there should be a fixed charge of personnel, the operator must have a certain level of technology. 1. Before the installation the operator must carry out the necessary technical training, so that understanding the principles of mill performance, familiar procedures. 2. For the mill to normal, the device should be developed, “the safe operation of equipment maintenance system” can ensure the long-term safe operation of the mill, and have the necessary maintenance tools and grease and corresponding accessories. 3. Mill use for some time, maintenance should be carried out, while roller blade grinding ring repair replacement of wearing parts such as handle, roller device in use before and after the bolt nut should be carefully examined to see whether there is loosening , whether to add a little grease.spiral washer: http://www.hxjq-crusher.com/S258.html crushing mill: http://www.crusher-machine.com/n225.html 4. The roller device to use more than 500 hours or so to replace the roller, the roller bearing kit must be cleaned of all, the damaged parts should be replaced, fuel pump and the tool can be used to manually add butter gun. 5. Fineness adjustment, according to the size of the material, hardness, moisture content, the proportion of different degree of processing of different thickness, can be adjusted at the top of the analyzer, high speed, fineness, low speed, low fineness. Improve the fineness, the output will be reduced accordingly, if it is mainly the fan speed when debugging, the user can flexibly. 6. Ring roller mill scrap the limit, the remaining minimum wall thickness of not less than 10mm. 7. Stop, stop the feeding, the host continues to He, the residual abrasive grinding continues, about one minute, turn off the master motor and the motor analyzer, stop grinding work, and later to stop the fan motor to blow the net residual powder. In addition, before the installment of the ball mill, the technicians should examine uniformly and completely all the ore beneficiation equipment in order to make sure whether the equipment are all in readiness and whether there is any defects and whether they are conformed to the installment and working requirement and in the meantime cleanse the main parts of the machines and inject oil into them.