RACK & PINION ELEVATORS VS. GEARED TRACTION ELEVATORS
When determining the specifications for yourindustrial elevator , please consider the following benefits and advantages that a rack-and-pinion drive elevator has in comparison to a traction drive elevator. Geared traction elevators work by using gears to roll steel hoist ropes or cables over a drive shaft. This drive shaft being powered by a high-speed motor, usually mounted in a separate machine room, to hoist up the passenger car. Rack-and-Pinion elevators operate differently as there are no hoist ropes or cables. The drive motor is attached to the top of the car and the drive gear, called a pinion, is attached to the motor. This allowed for there to be a permanently mounted gear track, creating a no slip elevator system for use in harsh environments, like on an outdoor construction site.
RACK-AND-PINION DRIVE ELEVATOR
NO STRUCTURAL COSTS
- No machine room required
- No hoistway required
- No overhead loads
- Reduces size of steel supports
LOWER INSTALLATION COSTS
- Equipment designed for faster installation (3-4 weeks)
- Equipment can be erected by crane
- Installation not performed in confined area
MANUFACTURED ONLY FOR INDUSTRIAL USE
- Designed for outdoor use
- Can be stored outdoors after delivery
- Unit can be located on exterior of facility; allowing more production space
FEW MECHANICAL COSTS
- Single speed AC with VFD control; smoother ride, accurate leveling
- Doors designed for fork lift traffic
- Roof elevation can be served
- Light counter weighted doors – smooth manual operation
IMPROVED CORROSION PROTECTION
- Hot-dipped galvanized components
- SS options
- Solid doors or perforated
- Sealed bearings
LOWER SERVICE COSTS
- Owner is provided detailed service instructions to implement in to their PM Program
- Owner is provided with detailed service training
TRACTION DRIVE ELEVATOR
STRUCTURAL COSTS
- Machine room required
- Enclosed hoistway required
- Considerable overhead loads
- Increases size of steel supports
HIGHER INSTALLATION COSTS
- Equipment design takes longer to install (8-10 weeks)
- Equipment cannot be erected by a crane
- Installation performed in a confined area
MANUFACTURED PRIMARILY FOR COMMERCIAL USE
- Designed for indoor use
- Must be stored indoors after delivery
- Unit usually placed inside a facility which obstructs production space
- Machine room needs to be acclimatized
HIGH MECHANICAL COSTS
- Two speed AC with relay logic controls
- Doors not designed for fork lift traffic
- Roof elevation cannot be served
- Automatic doors are sensitive and prone to failures
- Heavy
LESS CORROSION PROTECTION
- Painted components
- Hollow metal doors
- Grease zert type bearings, allowing contaminates to infiltrate bearings causing premature wear
HIGHER SERVICE COSTS
- Owner is not provided service instructions; must use service company
- Owner is not provided with service training
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Century Elevators
12130 Old Galveston Rd, Building 5
Webster, TX 77598
Office: 281-667-3000 | Fax: 866-314-5436