Diameter of each shaft section of the shaft and the shaft required for a load size. In the preliminary determination of its diameter, it is also often do not know the point of support reaction force, can not determine the size and distribution of the moment. It is also not according to the specific load and stress caused suffered the shaft to determine the diameter of the spindle. However, prior to its structural design, the spindle is usually able to determine the torque. So, press torque shaft diameter to be a preliminary estimate of the shaft. And note the minimum diameter is determined at this time. According to the program and then position the spindle assembly requirements, determine the size of the diameter of each segment from each axis at. Also, a shaft segment with the requirements, the amount of the price of a standard ball mill due diameter, such as the mounting shaft section of the bearing, shaft section mounting portion of standard parts, tolerances should be taken as the standard diameter and the corresponding selected.
Determining the length of each segment of the spindle, as far as possible to make it compact, but also to ensure, rotor and pulleys, flywheels, required for the bearing assembly and adjustment of the space, that is, the segment length determined axis, must take into account the parts of the spindle with the necessary axial dimension of the gap between the portion and the adjacent parts. Has already been through the design calculation, the rotor, flywheels, pulleys roughly the size, the length of the shaft can be roughly determined.
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