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Machining Process Analysis of Gear Shaft - Arrangement of Machining Sequence

Machining Process Analysis of Gear Shaft - Arrangement of Machining Sequence

2023-03-09

The machining sequence is arranged according to the principle of base surface first, rough first, fine second, and primary second. For general gear shaft parts, after preparing the center hole, first process the outer circle, then process other parts, and pay attention to separate rough and finish machining. In the gear shaft machining process, heat treatment is used as a symbol. Rough machining is performed before quenching and tempering treatment, semi finishing is performed before quenching treatment, and finishing is performed after quenching. This separation of the stages ensures that the finishing of the main surface is carried out without affecting the accuracy of the main surface due to the stresses in the processing of other surfaces.

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Machining Process Analysis of Gear Shaft - Arrangement of Heat Treatment Procedures

Machining Process Analysis of Gear Shaft - Arrangement of Heat Treatment Procedures

2023-03-09

During the entire process of shaft machining, sufficient heat treatment procedures should be arranged to ensure the mechanical properties and machining accuracy requirements of the gear shaft, and improve the machining performance of the workpiece.

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Machining Process Analysis of Gear Shaft - Selection of Positioning Reference

Machining Process Analysis of Gear Shaft - Selection of Positioning Reference

2023-03-09

The machining sequence of the main surfaces of the gear shaft largely depends on the selection of the positioning reference. The structural characteristics of shaft parts themselves and the positional accuracy requirements of each main surface of the spindle determine that using the axis as a positioning reference is the most ideal. This not only ensures the unification of the datum, but also makes the positioning datum coincide with the design datum. Generally, the outer circle is used as the coarse reference, and the tip hole at both ends of the shaft is used as the fine reference. The following points should also be noted during specific selection.

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Design and application of gear shaft

Design and application of gear shaft

2023-03-09

Gear shaft is a combination of shaft and gear as a whole. However, during design, it is still necessary to shorten the length of the shaft as much as possible. If it is too long, it is not conducive to upper gear hobbing machine processing, and if the support of the shaft is too long, it will lead to shaft thickening and increase mechanical strength (such as rigidity, deflection, bending resistance, etc.).

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What is the classification of gear shafts

What is the classification of gear shafts

2023-03-09

Depending on the shape of the axis, shafts can be divided into two types: crankshaft and straight shaft. According to the bearing condition of the shaft, it can be divided into:① Rotating shaft, which bears both bending moment and torque when working, is the most common shaft in machinery, such as the shaft in various reducers.

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What are the causes of roller bearing failure

What are the causes of roller bearing failure

2023-03-09

Whether the working performance of rolling mill bearings can be effectively utilized depends to a considerable extent on the lubrication situation. Lubricants are known as the "fifth largest component of bearings". More than 40% of the causes of damage to rolling mill bearings are due to poor lubrication. Therefore, in order to reduce the consumption of rolling mill bearings, it is necessary to select lubrication methods and excellent lubricants that are suitable for use conditions, and to design and install reliable sealing devices that prevent the intrusion of foreign matters such as water and oxide skin. Under normal installation, lubrication, and maintenance conditions, during the operation of bearings, fatigue peeling caused by alternating loads on the surfaces of the inner and outer raceways and rolling bodies is the main form of failure of bearings, followed by wear, pitting, plastic deformation, and cracking.

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