Bevel gears are a type of gear with non-parallel and intersecting tooth lines. They can be classified into straight bevel gears and spiral bevel gears based on the orientation of their teeth. Also known as beveled gears, they are crucial components for transmitting power between shafts at different angles.
Similar to miter gears, bevel gears have straight teeth and a conical profile for transmitting motion at a right angle. Unlike miter gears, one of the gears (sometimes called a pinion) is smaller than the other. Combine a pinion and gear for right-angle speed reduction at ratios ranging from 2:1 to 4:1.
The beveled gear drive serves to transfer rotary motion and torque, and the power transmission takes place through the beveled gears. We offer machining of straight beveled gears and spiral beveled gear.
Straight Bevel Gear
WELLE specializes in the series production of bevel gears using state-of-the-art robots. This ensures competitive prices and efficient delivery to our customers. We also manufacture small series and individual units using our other machines.
Our bevel gears have many different applications. These include agricultural machinery, truck transmissions and angular gearboxes in e.g. fertilizer spreaders and agro gearboxes.
We manufacture bevel gears in a variety of different materials according to the customer’s wishes. Thanks to both conventional and state-of-the-art CNC machinery, we can supply top quality bevel gears. With our own hardening plant, we are also able to offer some of the best quality and delivery times in Europe.
Spiral Bevel Gear
WELLE as built up over 20 years of expertise in spiral bevel gears, not least in the manufacture of spiral bevel gears using Klingelnberg machines. This makes us competent partner for developing, optimizing and manufacturing these types of gears.
We have constantly expanded our range of machinery, so we are now capable of producing gear pairs in parallel for increased quality and delivery reliability. with our own hardening plant, we are also able to offer some of the best delivery times in Europe for these products.
Our spiral bevel gears are used in angular gearboxes, valve actuators, train carriages, etc. as well as in actuators and gearboxes for OEM motors.
Manufacturing Process:
- Cutting or Shaping: Bevel gears are typically manufactured through cutting or shaping processes, such as milling or gear shaping, to form the tooth geometry.
- Heat Treatment: Following shaping, heat treatment processes enhance the gears’ hardness and durability.
- Surface Finishing: Optional processes like grinding or lapping may be applied to improve surface quality and reduce noise.
Materials: Bevel gears are crafted from diverse materials, including steel, stainless steel, brass, and alloys. Material selection depends on factors such as load capacity, operating conditions, and industry requirements.
Quality Requirements: Quality control measures in bevel gear manufacturing include precise tooth geometry, dimensional accuracy, and material integrity checks. Quality assessments involve tooth profile testing, hardness examinations, and visual inspections.
Applications: Bevel gears find applications across various industries, particularly where angular power transmission is needed:
- Automotive: Differential gears, steering systems, and power transmission in vehicles.
- Aerospace: Aircraft engines, rotorcraft systems, and navigation mechanisms.
- Industrial Machinery: Machine tools, printing presses, and rotating equipment.
- Marine: Marine propulsion systems, ship steering mechanisms, and winches.
- Mining and Construction: Heavy machinery, excavators, and drilling equipment.
Future Market Trends (Post-2024):
- Advanced Materials: Continued exploration of advanced materials for enhanced strength and wear resistance.
- 3D Printing: Increasing adoption of 3D printing for complex and customized bevel gear manufacturing.
- Smart Manufacturing: Integration of sensors for real-time monitoring and predictive maintenance.
- Efficiency Improvements: Design innovations for increased efficiency and reduced energy consumption.
- Lightweight Solutions: Emphasis on lightweight materials and design optimization for improved performance.
As industries advance, bevel gears will likely play a pivotal role in facilitating efficient angular power transmission, with ongoing trends focusing on materials, manufacturing technologies, and smart integration.
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