What is the mechanical processing technology related to shaft parts?
Shaft components are one of the commonly used and important parts in machines. They can provide support for transmission components and transmit torque. Do you know what the mechanical processing technology of shaft parts is related to? Next, let me share with you!
The technical requirements and processing of shaft components are something we need to understand about large-scale mechanical processing. What is the specific content of it? Please take a look at the following content.
The technical requirements for shaft components generally include the following aspects:
1. Diameter accuracy and geometric shape accuracy
On the shaft, it is important to support the journal and match the journal, with a diameter accuracy of IT5— IT9 level, and the shape accuracy should be controlled within the diameter tolerance, and its requirements should be higher than the diameter accuracy. If the shaft is of ordinary precision, its radial circular runout is generally considered as 0.01 to match the supporting journal; 0.03mm. The high-precision axis is 0.001— 0.005mm. If there are special requirements, they should be clearly stated.
2. Surface roughness
Due to factors such as machine precision and operating speed, the requirements for surface roughness of shaft components are also different. The surface roughness of the supporting journal is 0.16– 0.63um， Cooperate with the journal at 0.63‐ 2.5um。
3. Materials, blanks, and heat treatment of the spindle
The commonly used material for shaft components is 45 steel, which undergoes processes such as normalizing, annealing, quenching and tempering to obtain certain strength, hardness, wear resistance, and toughness. For shaft components with high rotational speeds, alloy structural steel can be selected because it improves wear resistance and fatigue resistance after heat treatment.
The blank of the spindle is usually made of forgings and round steel, which can reduce the amount of cutting and improve the mechanical properties of the material.
