Large Gears for heavy duty open transmissions used in Mines, Sugar, Cement and Paper industry.
Spur, Helical & Double Helical Bull Gears.
Heavy Duty Low Speed.
Description | Ref | Tempered & Ground** | Carburized & Ground | ||
MIN. | MAX. | MIN. | MAX. | ||
Inch / mm | Inch / mm | ||||
External Diameter | A | 60" / 1,524 mm | 472" / 12,000 mm | 60" / 1,524 mm | 315" / 8,000 mm |
Face Width | B | 5" / 127 mm | 30" / 760 mm | 5" / 127 mm | 40" / 1,000 mm |
Double Helical Gap Width* | C* | 2" / 50.8 mm | 4" / 101 mm | 2" / 50.8 mm | 4" / 101 mm |
Normal Diametral Pitch | DP-3 | DP-0.78 | DP-13 | DP-0.785 | |
Normal Module | Mn-8 | Mn-32 | Mn-2 | Mn-32 | |
AGMA QUALITY | AGMA 8 | AGMA 10 | AGMA 10 | AGMA 10 | |
Hardness | 280 BHN | 380 BHN | 55 Hrc | 60 Hrc |
C* Only Double Helical Gears. The Gap width can vary depending on the teeth module.
** With Trough-Hardened gears (Tempered) the grinding process improves the tooth contact increasing the power transmission capability considerably, the grinding process is optional and may apply additional costs.