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When operated on non-intersection parallel shafts, there is virtually no difference between helical gears and spur gears. Both of them operate pretty much at the same level with a similar power output and system losses. Therefore, it is incredibly important that you understand how you might use a helical gear. Only the best custom helical gears manufacturer US like Ami Gears can ensure that. Depending on the system, means of operation, and running costs, you might only need a spur gear. A wrong analysis or inadequate understanding of your probably application could cause you to spend money on helical gear when all you needed was a spur gear. Helical gears take precedence over spur gears when the system velocity is above 1000 feet a minute as at that level, their gear train is stronger and smoother.

For applications requiring a helical gear, the gears during the process of manufacture are branded at 45 degree helical angle. The material of manufacture depends on the use, application, and the system requirements of your application. The materials we use vary from stainless steel to aluminum to bronze as well as non-metallic phenol.

Helical gears also induce end thrust. To counter it, things like thrust washers and other techniques like it could be used depending on the type of applicaiton and the types of thrust bearings.

In applications and systems that employ helical gears at right angles, there are commonly referred to as spiral gears due to the helical motion they produce. In such a system that uses spiral gears, teeth are the only points of contact while the other parts remain unscathed during the operation. Due to this fact alone, best custom helical gears manufacturer US like Ami Gears recommend that spiral gears be not used for transmitting any significant or considerable amount of power. If you need helical gears to transmit a considerable amount of power, helical gears should not be used at 90 degree angles.