A spiral bevel gear is a type of bevel gear that has curved teeth cut in a spiral pattern around the face of the gear. These gears are used to transmit power and motion between non-parallel intersecting axes.
The product features of spiral bevel gears are:
1. Tooth shape: Spiral bevel gears have curved teeth cut into a spiral shape. The curvature of the teeth allows for smoother meshing and reduced noise compared to straight bevel gears. The teeth are also tapered, which helps distribute load evenly across the gear face.
2. Axial thrust: Spiral bevel gears produce axial thrust due to the helix angle of the teeth. This axial thrust can be managed by using thrust bearings or by designing a gear system to counteract the thrust.
3. High load carrying capacity: Spiral bevel gears have high load carrying capacity due to their larger contact area compared to straight bevel gears. The helical tooth design allows for greater tooth engagement, resulting in improved load distribution and higher torque transfer capabilities.
4. Efficiency: The helical tooth structure of these gears increases the overall efficiency of the gear system. Progressive tooth engagement and engagement reduce friction and minimize power loss, thereby improving transmission efficiency.
5. Noise and vibration: Compared with straight bevel gears, spiral bevel gears produce less noise and vibration. The helical tooth design helps reduce shock and noise during gear meshing, resulting in quieter operation.
Processing features:
1. DH precision manufacturing: Spiral bevel gears require precision manufacturing processes due to their complex tooth geometry. Gear teeth are typically produced using specialized cutting tools, such as spiral bevel gear generators or CNC machines. The accuracy of the cutting process directly affects the performance and durability of the gear.
2. Gear grinding: After the initial cutting process, spiral bevel gears often need to be ground. Grinding helps improve gear tooth surface finish, accuracy and tooth-to-tooth contact. Ensure correct gear meshing to reduce noise and vibration during operation.
3. Heat treatment: Heat treatment is an essential step in processing spiral bevel gears. It involves heating the gear to a specific temperature and then quenching it to achieve the required hardness and strength. Heat treatment helps improve gear durability and wear resistance.
4. Inspection and Quality Control: Due to the critical nature of spiral bevel gears, strict inspection and quality control procedures are adopted during their manufacturing process. In order to ensure the dimensional accuracy and tooth profile consistency of the gears, we use various measurement methods, such as three-dimensional coordinate measuring machines (CMM).
Advanced manufacturing equipment
DH has multiple CNC 7-axis 5-linkage spiral bevel gear grinding machines and gear milling machines that can process high-reduction ratio hypoid and transverse cured tooth coupling.
Advanced testing equipment
Utilize a high-precision gear measurement center to complete gear pitch accuracy detection, tooth profile error detection and inverse correction of tooth profile errors.
Professional software
Our factory has a complete set of software to realize digital closed-loop manufacturing of spiral bevel gears, Functions such as gear design, strength calculation, contact analysis, tool calculation, tooth profile error reversal, etc. can be realized. Machining methods include five tools machining(fixed setting) & G-plete of tapper , spiral format tilt(SFT) method & hypoid format tilt (HFT) method of Cycloid equidep, etc.
