As for gear grinding, we can achieve a high level of
precision, surface finish.
Gring gear Features:
1. High precision: Gear grinding enables the production of gears
with extremely high precision and tight tolerances. The grinding
process allows precise control of the gear tooth profile, pitch and
gear concentricity, resulting in gears with excellent accuracy.
2. Improved surface finish: Grinding gears results in a better
surface finish compared to other gear manufacturing methods. The
abrasive action of the grinding wheel removes material and creates
a smooth surface on the gear teeth, reducing friction and wear.
3. Reduce noise: Grinding gears helps reduce gear noise and
vibration. The precise tooth profile and surface finish obtained by
grinding minimize gear mesh noise, resulting in quieter gear
operation.
4. Increase gear strength: Gear grinding can improve the strength
and durability of gears. By removing any surface imperfections or
irregularities, grinding improves the gear's load-carrying capacity
and fatigue resistance.
Processing features:
1. Shape grinding: Gear grinding usually involves shape grinding,
in which the shape of the grinding wheel matches the tooth profile
of the gear. Grinding wheels remove material from gear teeth in a
controlled manner to achieve the desired tooth shape and size.
2. Continuous grinding: In continuous grinding, the gear and
grinding wheel mesh together while rotating in opposite directions.
This process is commonly used for cylindrical gears and involves
the gradual creation of the entire tooth profile.
3. Reishauer method: The Reishauer method is a method widely used
in gear grinding. It uses a threaded grinding wheel to mesh with
the gear being ground. When the grinding wheel is fed axially, the
gear and grinding wheel rotate to remove material and form the gear
tooth profile.
4. Dressing and Dressing: Grinding wheels used for gear grinding
require regular dressing and dressing to maintain their shape and
cutting efficiency. Dressing involves removing any debris or glazed
material from the surface of the grinding wheel, while dressing
ensures that the grinding wheel maintains its desired shape and
profile.
5. Cooling and Lubrication: During the gear grinding process,
cooling and lubrication are critical to preventing overheating and
maintaining the integrity of the gear and grinding wheel. Coolant
or grinding oil is used to dissipate heat and provide lubrication
to ensure the grinding process runs smoothly and efficiently.
6. Quality control: Gear grinding involves strict quality control
measures to ensure the accuracy and quality of the gears. Advanced
metrology tools, such as gear analyzers and coordinate measuring
machines (CMM), are used to check gear dimensions, tooth profile
and surface finish.
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.
