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1. Press-fitting: Assembly of general shaft and hole parts and parts with small interference of shaft hole parts are assembled by pressure method. In the diameter of less than 150mm shaft hole can be used hammer, sledgehammer, yo hammer or drop hammer hit loading, with the conditions can also be pressed with hydraulic press, for more than 150mm shaft hole with a large tonnage of hydraulic press Loading
2. Hot loading: It is used to heat the hole parts of the roll crusher. This method is suitable for assembly of parts with large diameter, large interference and high power;
3, cold loading: conditional ore plant must first use this assembly method, this way is to use the coolant to cool the roller mill roller compression, when the shaft diameter cooling to a certain value, will The inner part or outer part is fed into the mating surface, and the shaft is firmly fixed to the hole when the shaft returns to normal temperature.
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Correct installation of roll mill roller shaft
With the constant development of China’s infrastructure construction, the demand for various kinds of power has been continuously added. This has led to the emergence of a power crisis. In order to ease the power crisis, roller mill enterprises have to take the path of low-carbon development, so-called low-carbon Launching is also a green development, that is, maintaining the stable and rapid development of the economy without polluting the environment. Roller mill is the most commonly used machine in crushing equipment. Compared with other products, it has its own unique features, but even if the advantages are more, it can not ignore the maintenance of the machine. The roller mill is a construction machine. It has advantages and disadvantages. It is necessary to replace the accessories frequently. We must always remember to maintain them. These can only be done to make the equipment work better. The maintenance of the roller mill is important, and the accessories can not be ignored, because the accessories are the most important. There are many accessories for roller mills, so how much do you know about roller mill rollers? The following listen to Hua Shengming to tell you about the roller shaft is an important part of the roller mill, it plays a role of supporting rotating parts and transmission of power, pulleys, gears, flywheels and wheel sets and other keys fixed To the roller shaft, the roller shaft structure design should firstly plan the assembly scheme of the shaft parts, and then according to the requirements of the installation, positioning and manufacturing process of the shaft parts. installation method: