High ratio hypoid gear refers to a hypoid gear system that provides
a significant reduction in speed or increase in torque. The term
"high ratio" indicates that the gear system achieves a large
reduction ratio between the input and output parameters.
high reduction hypoid gears are specifically engineered to achieve
a significant reduction in speed and a substantial increase in
torque. They are capable of achieving higher reduction ratios,
typically ranging from 10:1 to 100:1 or even higher.
High reduction hypoid gears, with their ability to achieve
substantial speed reduction and high torque output, are often
utilized in applications that demand significant power transmission
and torque amplification. They are commonly employed in heavy-duty
industrial machinery, power transmission systems, and robotics.
While both common hypoid gears and high reduction hypoid gears are
designed to handle torque, high reduction hypoid gears are
typically built to withstand higher torque loads due to their
intended use in applications requiring high torque output.
The design and tooth geometry of high reduction hypoid gears are
optimized to achieve higher reduction ratios and handle increased
torque. They may feature modifications like larger gear diameters,
enhanced tooth profiles, and specialized heat treatment to
accommodate the higher loads and torque requirements.
High reduction ratio hypoid, also known as helical worm drive, is
an alternative to traditional worm gear drives.
Compared with worm gear transmission, high reduction ratio hypoid
drive has many advantages:
Both the large wheel and small wheel can be made of steel, which
greatly reduces material costs; running-in wear, continuous
operation wear, and the subsequent increase in backlash problems
can be eliminated. Using high reduction ratio hypoid gears in the
workshop can also improve production efficiency. Like bevel gear
production, high reduction ratio hypoid gears can also be produced
completely in a closed-loop system. The closed-loop system ensures
high-precision production comparable to bevel gears.
Characteristics of hypoid gears:
Changes in the angle of transmitted torque
Able to withstand greater loads
The transmission is more stable and the noise is low
Adjustable offset
Transmission advantages of hypoid gears:
The axis of the small wheel is offset, which increases the helix
angle of the small wheel, resulting in a significant increase in
the diameter of the small wheel, thus enhancing the strength and
rigidity of the small wheel; and achieving a larger transmission
ratio than spiral bevel gears under the same conditions.
There is relative sliding along the tooth length direction and
tooth height direction, so the tooth surface wears evenly. Heat
treatment also facilitates grinding, improves contact areas,
improves tooth surface finish and reduces noise.
The axis offset allows greater freedom in the arrangement of the
transmission in space.
The axis is offset and can be crossed, and both wheels can be
supported by stable straddles.
The small wheel helix angle is increased, the strength is
significantly improved, and it can adapt to a larger transmission
ratio. Single-stage transmission can take more than 10.
Good lubrication conditions and high transmission efficiency.
Disadvantages compared to other types of staggered shaft drives:
The calculation and design are far more complicated than other gear
pairs.
Compared with general orthogonal spiral spur gears, the calculation
of tooth adjustment is more complicated, and the matching of the
contact area is also difficult.
The lubrication conditions are high and special hypoid gear
lubricants are required.
| Product | High Reduction Hypoid Gear |
| Transmission Efficiency | 30.0-90.0 |
| Module(M) | ≤4 |
| Teeth Accuracy Grade | ISO 6-7 Grade |
| Service | Customized |
