Axial parts, it is one of the commonly used in the machine parts, it is also important part, it can play a supporting role of driving part, and the ability to transfer torque.
Axial parts technical requirements and processing, for us, is to understand a relevant content of large mechanical processing, that its content is exactly what is that?
Please see the following content.
Technical requirements for shaft parts, generally have the following several aspects as follows: 1.
Accuracy and geometric accuracy on the shaft diameter, bearing shaft neck and cooperate with the journal is very important, its diameter precision for IT5 -
IT9 level, and shape accuracy, should be controlled within the diameter tolerance, and it demands than the diameter of high precision.
Mutual position accuracy if the shaft is common accuracy, so its radial round beating, if you want to cooperate with journal of supporting shaft neck, generally regarded as 0.
And high-precision shaft of 0.
If you have special requirements, so should be marked clearly.
Degree of surface roughness for machine precision, speed and other factors, causing the surface roughness of the shaft parts requirements are also different.
The surface roughness of the supporting shaft neck is 0.
63 um, journal of 0.
Main shaft material, casting and heat treatment of shaft parts, the commonly used material is 45 # steel, and by normalizing, annealing, hardening and hardening processing, such as to obtain a certain strength, hardness, wear resistance and toughness.
For higher speed of shaft parts, alloy structural steel, optional because it after heat treatment, can improve the wear resistance and fatigue resistance.
Main shaft blank is generally choose forgings and round steel, thus reducing cutting processing capacity, and can improve the mechanical properties of materials.
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