Power Transmission Heavy-Duty Helical Gear


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Power Transmission Heavy-Duty Helical Gear

A power transmission heavy-duty helical gear is a type of gear used to transmit power between two parallel shafts. It is similar to a spur gear, but its teeth are cut at an angle to the axis of the gear, forming a helix. This helical shape allows for smoother and quieter operation than a spur gear.

Helical gears are commonly used in power transmission applications, such as in automotive transmissions, industrial machinery, and other mechanical equipment. They are available in a range of sizes and materials, including steel, brass, and plastic.

The main advantage of helical gears is their ability to transmit power smoothly and quietly, with less vibration and noise than spur gears. They also have a higher load-carrying capacity than spur gears, due to the larger contact area between the teeth. However, they do require more complex manufacturing processes, which can make them more expensive than spur gears.

There are different types of helical gears, including parallel helical gears, crossed helical gears, and double helical gears (also known as herringbone gears). Each type has its own advantages and disadvantages, depending on the application requirements.

Machinery processing

The design process involves determining the specifications of the gear, including the number of teeth, pitch, pressure angle, and helix angle. The material selection process involves selecting a material that is suitable for the application, such as steel or bronze.

The blank preparation process involves preparing the gear blank, which is a cylindrical piece of material that will be used to create the gear. This is typically done by turning the blank on a lathe to the desired size and shape.

The teeth of the helical gear are cut using a milling machine or a hobbing machine. The milling machine uses a rotating cutter to cut the teeth, while the hobbing machine uses a rotating cutting tool called a hob to cut the teeth in a continuous process.

The gear is then heat-treated to improve its hardness and strength. This is typically done by heating the gear to a specific temperature and then cooling it in a controlled manner.

The final step in the process is finishing, which involves grinding, polishing, and deburring the gear to achieve the desired surface finish and tolerances.

Other Products Business

EVER-POWER GROUP mainly supplies various Plastic Gear used in industry, such as Plastic Spur Gear, Plastic Helical Gear, Plastic Worm Gear, Plastic Bevel Gear, Plastic Pinion Gear, Plastic Nylon Gear, Plastic Transmission Gear, Plastic Sprocket Gear, Plastic Wheel Gear, Plastic Injection Gear, Plastic Ring Gear, Plastic Rack Gear and so on. We offer high-quality products, favorable prices, and considerate service. We welcome customers to come to us with drawings or samples for customization.


1. What are the advantages of helical gears compared to spur gears?
2. What are the different types of helical gears?
3. How are helical gears manufactured?
4. What are the common applications of power transmission heavy-duty helical gears?
5. Where can I buy original spare parts for power transmission heavy-duty helical gears?