What is the Process of High Precision Gear Machining?

In the field of mechanical transmission, high-precision gears are critical components that ensure the stable operation and efficient transmission of equipment. So, what exactly does the machining process of high-precision gears entail?

1.Selection of High-Quality Materials: Commonly used materials include alloy steel and carbon steel, which possess excellent mechanical properties and machinability, enabling them to meet the demands of high-strength and high-precision gear applications.

2.Blank Manufacturing: Blanks can be produced through forging, rolling, or casting. Forged blanks, known for their superior internal structure and mechanical properties, are a preferred method for manufacturing high-precision gear blanks.

3.Gear Blank Machining: This process primarily involves turning, milling, and other operations to shape the blank into a form close to the final gear profile. During this stage, it is essential to ensure the dimensional and geometric accuracy of the blank, laying a solid foundation for subsequent tooth profile machining.

4.Tooth Profile Machining: Common methods for tooth profile machining include hobbing, shaping, and shaving. Hobbing uses a hob to cut the gear blank, forming an involute tooth profile. Shaping, on the other hand, employs a shaping cutter and is suitable for machining internal gears and herringbone gears. Shaving is a finishing process that uses a shaving cutter to refine the gear, enhancing the accuracy of the tooth profile.

5.Heat treatment: heat treatment can improve the hardness and wear resistance of gears, commonly used heat treatment methods are carburizing, quenching and tempering. Carburizing can improve the hardness of the gear surface, while quenching and tempering can adjust the internal organization and performance of the gear.

6.Finishing: Finishing mainly includes grinding, honing and other processes to further improve the precision and surface quality of the gear. Gear grinding is the use of gear grinding machine on the gear grinding, can achieve high precision and surface finish. Gear honing is the use of honing machine on the gear honing, can improve the gear tooth shape and tooth direction accuracy.

In the whole high-precision gear machining process, each link needs to be strictly controlled to ensure the precision and quality of gears. As a professional gear manufacturer, Shenzhen Shunli Motor Co., Ltd. has advanced production equipment and strict quality control system, which can provide customers with high-quality high-precision gear products.