Your Leading Bevel Gearbox Supplier

 

Hebei Demai Transmission Machinery Co., Ltd., is a high-tech enterprise specializing in the research, development, production, sales, and foreign trade of linear transmission equipment. Since its establishment, the company has focused on the research and development and sales of products such as screw jacks and servo electric cylinders. Its main products include DMT and KFT series trapezoidal screw jacks, DMB and KFB series ball screw jacks, DMSL series high-precision bevel gear ball screw jacks, Linear Actuators, Servo Electric Cylinders, and other non-standard transmission equipment.

 
  • Precision Right Angle Gearbox
    A precision right angle gearbox is a high-precision transmission unit with the input shaft and output shaft arranged at a 90° right angle. It is mostly constructed with spiral bevel gears or...
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  • Bevel Gear Steering Box
    The Bevel Gear Steering Box features a precision-engineered internal structure, with each component optimized for durability, efficiency, and quiet operation.
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  • Dual Output Shaft Bevel Gear Box
    Our dual‑output‑shaft bevel gearbox is a precision‑engineered 90° right‑angle drive unit designed for reliable power splitting and direction‑changing in industrial machinery.
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  • Right Angle Bevel Gearbox
    The right angle bevel gearbox is a core transmission component that achieves 90° power direction change. Adopting a precision bevel gear structure, it ensures smooth transmission and reliable...
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  • Precision Square Steering Bevel Gearbox
    The box design of Precision Square Steering Bevel Gearbox (bevel gear steering box) is very scientific, which is a regular hexahedron design. The installation dimensions of the two mounting...
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  • Traditional Bevel Gearbox
    Traditional Bevel Gearbox, also known as commutator and steering gear, is a kind of power transmission mechanism and a series of reducer, which is widely used in the industrial field. The steering...
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Why Choose Us?

Customized Services

This provides core technical support for the development of customized solutions and high-efficiency transmission equipment, continuously leading the technological development of the linear transmission field.

Quality Control

Regarding product certification, the core linear transmission products have successfully passed EU CE certification, signifying that the products meet the stringent EU standards in safety, health, and environmental protection.

High Quality

The company has introduced a large number of advanced production and testing equipment, developed new technologies and processes, adopted advanced CAD/CAM/CAE technology, ensuring timely delivery of high-quality products.

After-sales Service

The company has been committed to providing high-quality and comprehensive after-sales services to ensure the stable operation of the equipment. The company has established a 24/7 after-sales service hotline, and the technicians have rich experience, capable of effectively resolving various faults.

 

Types of Bevel Gearbox:
 

Straight: Straight bevel gear gets its name thanks to its straight and radially aligned teeth. The teeth taper towards the apex of the pitch cone. The pitch cone is, of course, the imaginary cone on which the gear teeth are projected. Straight gears are best suited for low-speed applications.

 

Spiral: These gears are perfect for a smoother and quieter operation. This can be attributed to the more gradual and progressive tooth engagement. Straight gears have a more abrupt tooth engagement, sometimes resulting in noisier operations. Teeth of a spiral gear are generally curved at an angle between 35 to 45 degrees.

 

Hypoid: The hypoid bevel gear is similar in geometry and design to spiral gears. However, the one major difference is that the hypoid gear has non-intersecting shafts. The pinion is positioned above or below the mating gear’s centre line to create an offset. This allows for better load distribution and superior torque transmission.

 

Zerol bevel gears: While this kind of bevel gear is very similar to a straight bevel gear, the main difference is that the teeth or splines are curved instead of conical. The ends of each spline is parallel to the axis while the middle of the spline is wrapped around the gear.

 

Advantages of Bevel Gears:

 

Wind turbines

Those massive turbine blades turn slowly, but generators need high-speed rotation to produce electricity. Bevel gears bridge that gap, handling huge forces while keeping everything running smoothly. Spiral bevel gears are especially good at this job.

Steel manufacturing

Steel mills are tough on equipment. Bevel gears keep conveyors moving, power rolling mills, and drive cutting equipment—all while handling heavy loads and maintaining precise control.

Dual Output Shaft Bevel Gear Box

Cooling towers

The big fans in industrial cooling systems never stop. They need bevel gears that can handle running 24/7 without breaking down. When downtime costs money, spiral bevel gears deliver the reliability you need.

Printing presses

Getting perfect prints means keeping rollers well synchronized. Spiral bevel gears make this happen, maintaining alignment even at high speeds so every print comes out right.

 

 

FAQ

 

 

Q: What is a bevel gear and how does it function?

A: A bevel gear is a truncated cone-shaped gear with sloped teeth, designed to transmit power between intersecting shafts at changing angles, commonly at 90 degrees. It adjusts torque and speed based on its gear ratio, offering mechanical advantage in various applications.

Q: How efficient are bevel gears compared to other gear types?

A: Bevel gears, such as straight, spiral, and Zerol types, typically offer efficiency rates between 97% and 99.5%. This outperforms worm gears, which can have efficiencies as low as 50%. Efficiency depends on factors like tooth geometry and lubrication quality.

Q: What factors influence the efficiency of bevel gears?

A: Bevel gear efficiency is affected by precision of tooth geometry, surface finish, lubrication quality, alignment during installation, operating speed, and load conditions. Proper assembly and lubrication significantly reduce friction, heat, and wear, ensuring optimum performance and longevity.

Q: Why is it important to use matched pairs of bevel gears?

A: Bevel gears must be used in matched pairs to ensure precise assembly and optimal meshing. Using unmatched gears can cause improper load distribution, increased wear, noise, and risk of failure due to incorrect alignment or backlash.

Q: What is a spiral bevel gear?

A: A spiral bevel gear has curved teeth that mesh gradually, offering smoother operation, reduced noise, and higher load capacity compared to straight bevel gears.

Q: How do bevel gears work in vehicles?

A: In vehicles, bevel gears are used in differential drives to distribute torque to the wheels, allowing them to rotate at different speeds for smooth turning.

Q: Can bevel gears handle high-speed applications?

A: Yes, spiral bevel gears, in particular, are designed for high-speed applications, offering better load capacity and smooth operation at higher speeds.

Q: Are bevel gears used only in automotive applications?

A: No, bevel gears are used in a wide range of applications, including hand drills, printing presses, cooling towers, and various industrial machines.

Q: How can I choose the right bevel gear for my system?

A: When choosing a bevel gear, consider factors such as material, pitch, pressure angle, load requirements, and the specific types of bevel gear that suit your application’s needs.

 

As one of the leading bevel gearbox manufacturers and suppliers in China, we warmly welcome you to buy customized bevel gearbox at low price from our factory. If you have any enquiry about quotation, please feel free to email us.

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