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Time: 2020-08-25 08:19:09Source: Ever -Power Group

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What are the precision forging forming process methods for spiral bevel gears?Among bevel gears, spiral bevel gears have been widely used in large-scale machinery drive devices because of higher transmission efficiency, better carrying capacity and transmission stability.Spiral bevel gears have gradually got rid of the scope of traditional cutting in the forming process, and began to...

Spiral bevel gearWhat are the precision forging forming process methods?
Among bevel gears, spiral bevel gears have been widely used in large-scale machinery drive devices because of higher transmission efficiency, better carrying capacity and transmission stability.Spiral bevel gears have gradually got rid of the scope of traditional cutting during the forming process, and have begun to try to use precision forging forming process. This process has improved production efficiency and material utilization, reduced production costs, and improved the internal gear Organizational performance.
Summarizing its precision forging forming process, there are roughly the following three types:


1. Open die forging method
The open die forging method refers to the die forging method in which the direction of the gap between the two dies is perpendicular to the direction of the die movement, and the gap is continuously reduced during the die forging process.
The open die forging method mainly uses flash to generate the necessary process resistance to force the metal to fill the mold cavity and form the gear tooth profile. However, this process requires a large forming force, and the metal flow and volume transfer distribution process of the material is very Complex, the metal material may not be able to fill the cavity at the end of forming.
2. Blocked forging method
The occluded forging method is a new precision plastic processing method that has developed rapidly in recent years. It has the advantages of high quality, low cost, high efficiency and large quantities.Unlike ordinary die forging and extrusion, closed forging requires dual action and working pressure.The forming process is to first use the outer slider to close the upper and lower dies and apply clamping force to seal the blank in the cavity of the cavity, and then use the slider in the press to drive the punch to apply different working pressures in one or more directions , To make the metal flow in multiple directions, so as to obtain a larger amount of deformation in a deformation process.There is no flash during the forming process, which is suitable for producing parts with complex shapes and high precision.
3. Swing rolling forming method
The spiral bevel gear swing forging process is a new type of pressure processing technology, which refers to the use of swing forging technology to locally and continuously compress the blank, so that the metal gradually fills the mold cavity, and finally realizes the integral formation of the bevel gear. Energy-saving, labor-saving, and high forming accuracy.
keyword:Spiral bevel gear
Article Source:https://spiral-gear.com
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