China manufacturer ND Exporter Custom Spiral Bevel Increase Gearbox for Miny Rotary Tiller (BA1141) sequential gearbox

Product Description

Product Description

Item No.:

BA1141, Aluminum Housing Gearbox

Ratio and Shaft:

OEM acceptable

Key word

Agricultural Machinery Gearbox

Company Profile

In 2571, HangZhou CZPT Machinery Co.,ltd was established by Ms. Iris and her 2 partners(Mr. Tian and Mr. Yang) in HangZhou City, ZHangZhoug province, China, all 3 Founders are engineers who have more than averaged 30 years of experience. 

We, CZPT machinery established a complete quality management system and sales service network to provide clients with high-quality products and satisfactory service. Our products are sold in 36 countries and regions in the world, our main market is the European market.

Factory & Workshop

30 years experience engineman. R&D office, Test laboratory, CNC lathe workshop operated by professionals.

2~10years warranty. Attitude determines everything, details determine success or failure. We are responsible for your products.

Scientific management
100% tested. Strict company system and scientific material management will reduce the error rate.


We’re working on research and manufacturing all kinds of gearbox reducer and mechanical parts these 11 years, and have obtained certificates including ISO9001, many Gearbox Patents, SGS, BV, etc.

Sample Room

Through our CZPT brand ND, CZPT Machinery delivers agricultural solutions to agriculture machinery manufacturer and distributors CZPT through a full line of spiral bevel / straight bevel / spur gearboxes, drive shafts, sheet metal, hydraulic cylinder, motors, tyre, worm gearboxes, worm operators etc. Products can be customized as request.



Q: Are you trading company or manufacturer ?
A: We are exactly a factory.

Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q: How long is your delivery time ? What is your terms of payment ?
A: Generally it is 40-45 days. The time may vary depending on the product and the level of customization. For standard products, the payment is: 30% T/T in advance, balance before shippment.

Q: What is the exact MOQ or price for your product ?
A: As an OEM company, we can provide and adapt our products to a wide range of needs.Thus, MOQ and price may greatly vary with size, material and further specifications; For instance, costly products or standard products will usually have a lower MOQ. Please contact us with all relevant details to get the most accurate quotation.

If you have another question, please feel free to contact us.

Application: Motor, Machinery, Agricultural Machinery, Industrial Machinery, etc
Function: Distribution Power, Clutch, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase
Layout: Shaft T or L Type
Hardness: Hardened Tooth Surface
Installation: Vertical Type
Step: Single-Step
US$ 200/Piece
1 Piece(Min.Order)

Request Sample



Customized Request

spiral bevel gearbox

Differences Between Spiral Bevel Gearboxes and Other Gearbox Types

Spiral bevel gearboxes differ from other gearbox types in several key aspects:

  • Gear Tooth Design: Spiral bevel gearboxes use spiral bevel gears with angled teeth, which allow for smoother meshing and reduced impact compared to straight bevel gears. In contrast, other gearbox types might use spur gears, helical gears, or worm gears, each with distinct tooth profiles.
  • Shaft Arrangement: Spiral bevel gearboxes have intersecting input and output shafts set at right angles. This enables power transmission between shafts that are not aligned. Other gearbox types, such as parallel shaft gearboxes, have shafts that are parallel to each other.
  • Direction Changes: Spiral bevel gearboxes are well-suited for applications requiring direction changes between input and output shafts due to their perpendicular shaft arrangement. Worm gearboxes, on the other hand, are commonly used for large speed reductions and right-angle drives.
  • High Torque Transmission: Spiral bevel gearboxes offer high torque transmission capabilities due to the larger contact area of their gear teeth. Planetary gearboxes, while also capable of handling high torque, have a different gear arrangement involving sun, planet, and ring gearsspiral bevel gearbox

    Precision in Spiral Bevel Gear Tooth Profile Design

    Manufacturers employ advanced techniques to ensure precision in the design of spiral bevel gear tooth profiles:

    • Computer-Aided Design (CAD): Despiral bevel gearbox

      Noise and Vibration Levels in Spiral Bevel Gearboxes

      Spiral bevel gearboxes are known for their relatively low noise and vibration levels compared to other gearbox types. Several factors contribute to their favorable noise and vibration characteristics:

      • Tooth Profile: The involute tooth profile of spiral bevel gears results in gradual and smooth tooth engagement, reducing impact and noise during gear meshing.
      • Contact Pattern: Properly aligned spiral bevel gears create a larger contact area along the tooth surfaces, distributing loads and minimizing localized stress, which helps reduce noise and vibration.
      • Precision Manufacturing: High-precision manufacturing techniques ensure accurate tooth geometry, reducing irregularities that could lead to noise and vibration.
      • Lubrication: Adequate lubrication in spiral bevel gearboxes helps dampen vibrations and reduce friction-induced noise.
      • Bearing Quality: High-quality bearings used in spiral bevel gearboxes contribute to smoother operation and reduced vibrations.

      While spiral bevel gearboxes inherently exhibit lower noise and vibration levels, it’s important to note that external factors such as misalignment, wear, inadequate lubrication, or improper maintenance can still contribute to increased noise and vibration over time. Proper installation, maintenance, and monitoring play key roles in maintaining the desired noise and vibration levels in spiral bevel gearboxes.

      sign engineers use CAD software to create accurate tooth profiles, considering factors like gear ratio, tooth contact, and load distribution.

    • Finite Element Analysis (FEA): FEA simulations analyze stress distribution, deformation, and contact patterns to optimize tooth profiles for strength and durability.
    • Manufacturing Precision: Modern manufacturing methods, such as CNC machining and grinding, ensure tight tolerances and accurate tooth profiles.
    • Gear Cutting: Gleason or Klingelnberg gear cutting machines produce precise gear tooth profiles by using specialized cutting tools and controlled processes.
    • Tooth Surface Inspection: Manufacturers employ advanced measuring equipment to verify tooth geometry, profile accuracy, and alignment.
    • Contact Pattern Analysis: Before finalizing the design, contact pattern simulations help optimize tooth engagement for even load distribution.
    • Material Selection: Choosing suitable materials with excellent dimensional stability further enhances tooth profile precision.

    By leveraging these techniques and technologies, manufacturers can ensure the precision and quality of spiral bevel gear tooth profiles, resulting in efficient power transmission and reduced wear.


  • Noise and Vibration: Spiral bevel gearboxes tend to produce less noise and vibration compared to straight bevel gearboxes, thanks to their spiral tooth design. Helical gearboxes, which also use angled teeth, offer similar advantages in terms of noise reduction.
  • Applications: Spiral bevel gearboxes are commonly used in automotive differentials, aerospace systems, and heavy machinery. Other gearbox types find applications in various industries based on their unique characteristics and advantages.

Overall, the distinctive features of spiral bevel gearboxes set them apart from other gearbox types, making them suitable for specific applications where direction changes, torque transmission, and smooth operation are critical factors.

China manufacturer ND Exporter Custom Spiral Bevel Increase Gearbox for Miny Rotary Tiller (BA1141)   sequential gearbox	China manufacturer ND Exporter Custom Spiral Bevel Increase Gearbox for Miny Rotary Tiller (BA1141)   sequential gearbox
editor by CX 2023-08-30

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