First Generation Roller Mill Drives
Philadelphia Gear® was one of the most successful lines of dynamic pulverizer drives ever developed. Working with OEMs Babcock & Wilcox, Combustion Engineering (CE) and Foster Wheeler, we supplied the gear drive for the MPS-89, CE and MBF coal pulverizers, respectively. Characteristics of this style of pulverizer drive are:
- Triple reduction, bevel helical gear configuration
- Bevel and single helical gearing supported by rolling element bearings
- Pressure lubricated gearing and bearings
- Output table supported by thrust bearing
Second Generation Roller Mill Drives
Functionally, these units are designed to perform the same as the first generation pulverizer drives but have some different characteristics:
- Gear configuration is double reduction bevel-planetary (epicyclic)
- Gearing is bevel and spur epicyclic, supported by rolling element bearings
- Gearing is pressure lubricated by motor driven oil pump