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Improving of hypoid gear drive
Hypoid gears are common in automotive drive axles. Because of the low driving efficiency of the hypoid gear the fuel economy of cars and trucks is reduced by 4%-6%.Heavy trucks usually have higher ratio in the hypoid gear drive, and the loss of the fuel economy is higher. Spiral bevel gear is a high efficiency alternative for a hypoid gear. The driving efficiency of a spiral bevel gear is 99%, The driving efficiency of an automotive hypoid gear is 92%-96%...lerarn more
Our services

Gear design and manufacturing
Gear software development
Gear research
3-dimentional gear modeling
Reducing gear noise on automotive and aviation transmissions
Improving gear driving efficiency and reducing noise
Worm Face gear design and manufacturing software
Spiral Bevel Gear design and manufacturing software
 
TCA for hypoid and spiral bevel gears.
The author applies his new method for tooth contact analyses on spiral bevel and hypoid gears. The advantage of the new methods is low cost and high resolution. An experience gear professional can find many other advantages of the new method versus other TCA packages. The new method is very flexible in graphical output. The calculation results are presented as 3-d models with high resolution. The resolution and quality of graphical outputs in the existed... lerarn more
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Crown face gear. AutoLISP
Cut rack from spline. AutoLISP
Cut screw or worm. AutoLISP
3-dimentional gear modeling
Cut spline from rack. AutoLISP
Draw involute. AutoLISP
Rolling Enveloping. AutoLISP
Gear cutting by generation method. Can be used for any gear. Open GRIP
Globoid Pinion. AutoLISP
Hyperboloid Gear. AutoLISP
Gear shaping. AutoLISP
And many more...
 
Worm gears
The images on this page are the result of using DDS method for computer modeling of worm gears.
Normally DDS is used for the following:
1. Predict contact area and contact movement.
2. Design oversized or modified cutting tool.
3. Calculate manufacturing settings.
4. Calculate sliding, rolling and efficiency of the gear set.
5. Contact and bending stress.
6. Create CAD models of the gears.
7. Gear inspection... lerarn more
 
   
Worm face gear with tapered pinion
Computerized simulation of tooth geometry, manufacturing of gears as well as the gear mesh using a discrete computational tool has been done by the author for two decades. 3D visualization allows to examine geometry of the tooth surfaces as well as contact pattern and transmission error...lerarn more
Other technologies
3-dimensional CAD models. Download images.
Variable ratio rack.
Split torque involute gear drive. Download images.
Interactive visualization with parallel computing. Download doc file.
New discoveries in WN gear geometry.
FEA for gears. PDF presentation.
DDS calculation of principal curvatures
 
Worm face gear with cylindrical pinion
Manufacturing of worm face gear similar to a regular worm gear and normally no special manufacturing or inspection equipment required. Localization of the tooth contact can be done by modifying the gear cutter or the pinion.The advantage of a worm face gear versus a regular worm gear is higher driving efficiency and higher strength. The worm face gear can be designed self-locking or back derivable... lerarn more
 
Ultra Globoid Gear (UGG)
Transmit more power with smaller gears.
Compact alternative for Hypoid and spiral bevel gears in low ratio applications. UGG has high torque capacity due surface to surface contact mesh that reduces contact stresses. In automotive power train applications like front and rear drive axles, power take-off units, traction systems and mechanical amplifiers it saves space up to 30 % and significantly reduces weight. It will work in power windows and power seats, steering drives. ... lerarn more