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Series HP Gearbox - NEMA
High Power
Cone Drive’s Series HP is designed with high torque in mind. Our industry leading right angle, double enveloping worm gear technology is perfect for applications that require extremely high torque and precision in a quiet, compact package. Since 1935, the Cone Drive Series HP has been excelling at meeting our customers’ high power needs.
Key Features
- Double Enveloping Worm Gearing
- Two Input Bearings
- Single, Double, and Triple Reductions
- Vented, Cast Iron Construction
- Wide Range of Sizes
- Best in Class Lead Times
- 5 Year Warranty
SERIES HP GEARBOX SPECIFICATIONS
- Center Distance: 1.50 thru 28 in
- Ratio: 5:1 thru 343,000:1
- Reductions: Single, double, triple
- Output Torque (Constant Speed): < 2,900,000 lb-in
- Orientation: Worm over gear, worm under gear, vertical gearshaft
- Input Shaft: Single or double extended
- Output Shaft: Solid (single or double extended), hollow
- Cooling: Fan or water cooled
- Configurations: Reducer, NEMA flange, D-Flange motor (helical worm)
FAQ's
- What is double-enveloping gearing and what is the performance advantage?
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Cone Drive’s double enveloping worm gear has an hourglass shape and the gear is machined with unique contours to ensure maximum contact between the components. This added contact creates a high torque capacity, high durability worm gear. Cone Drive’s worm gear design provides you a higher load capacity, lower contact stress, and greater shock capacity. These improved ratings offer you the flexibility to downsize the gearbox to save space or increase the motor to get more power
- What type of oil do I need?
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Please refer to the Approved Lubrication List.
- How much oil do I need?
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Please review the Installation and Maintenance manual for proper oil amounts.
- What if the oil I use is not on the approved lubrication list?
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User will assume risk of non-approved lubricants which may affect performance of the gearbox and void warranty.
- What is the allowable operating temperature range for a Cone Drive gearbox?
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Normal gearbox operating temperature measured at the oil sump area of the housing should not exceed 100°F (38°C) above ambient temperature or 200°F (93°C) maximum. If the gearbox operating temperature exceeds these limits, shut down the unit and contact Cone Drive. Excessive oil sump temperature is indicative of overloading, misalignment, or improper or marginal lubrication. Continuous operation of the gearbox with the oil sump temperature above 200°F (93°C) will result in failure of the gearbox
- Can I rotate the worm input shaft in either direction?
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Yes.
- How do I operate the water cooling coil feature?
- Will a worm gearbox backdrive?
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Backdriving or self-locking cannot be guaranteed by Cone Drive, therefore a brake mechanism is always recommended
- When is it appropriate to utilize a fan on worm gearbox?
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A fan should be used whenever the absorbed power in a continuous application exceeds the thermal horsepower rating of the unit.
- Can I replace a competitor's gearset with a Cone Drive double-enveloping gearset?
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Yes – Please contact our Repair & Rebuild center.
- What levels of precision are offered by product?
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Zero backlash units are designed for cyclic (non-continuous) positioning applications. Ratios below 20:1 are not suggested. Long duty cycle applications can cause excessive gearbox heat and wear. The motor horsepower required for a zero backlash design is higher than that of a standard design gearset.
- Will Cone Drive design a customized solution for my application?
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Yes. Our engineering team at Cone Drive has years of experience creating customized solutions for our customers. Please reach out to our Application Engineering team to get started.
- How does Cone Drive achieve zero backlash with a worm gear?
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Cone Drive has developed a specialized sectioned worm design to achieve zero backlash. As the gear wears, the worm self-adjusts to compensate and maintain zero backlash.
PRODUCT DEVELOPMENT
The Cone Drive Product Development Laboratory is a state-of-the-art facility directly adjacent to our Traverse City, Michigan manufacturing location. The lab has the capacity to test a wide range of gear reducer products, for both Cone Drive products as well as those manufactured by other companies. The lab includes capability to run a wide variety of tests including load testing for evaluating reducer performance and operating efficiency.
TEST + CONTROL
- Six product testing stands
- Servo cyclic control
- Simulated inertial loading
- Constant torque/load
- Durability/validation
- Accelerated life test
- Lubricant evaluation
- Static loading & stiffness
PRODUCT MEASUREMENT
- Displacement & motion
- Torque
- Thermal
- Efficiency
- Vibration
- Basic noise
- Transmission accuracy