High Speed Units
Overview
Total Drive Source is more than a slogan. No matter what business or application, Nuttall Gear can supply an enclosed gear drive to suit your requirements. When choosing Nuttall Gear, you are backed by a company with 120 years of design and manufacturing experience with reducers and increasers. Nuttall TDS units operate throughout the world performing every industrial, commercial, utility, and transportation application imaginable. Our paper machine drives are operating at International Paper, Union Camp, Boise Cascade, Champion Paper, and Weyerhaeuser. High speed compressor drives at the Pentagon and Denver International Airport. High speed pump drives at Algoma Steel and Tennessee Valley Authority. Offshore oil jack-up rig drives working from the North Sea to the Gulf of Mexico. Nuttall Gear's TDS units operate grain elevators in Vancouver, Minneapolis, and Houston. TDS units operate at steel and aluminum mill drives such as U.S. Steel, National Steel, Reynolds Metals, and Alcoa. Nuttall Gear also supplies TDS units to the chemical industry such as DuPont. Nuttall Gear has supplied drives for wind turbines, hydro turbines, conveyors, textile mills, extruders, coal crushers, elevators, water screens, rail car dumpers, cranes, hoists, dredging operations, radar drives, and food machinery drives. Our aeration and sewage treatment drives are found in towns and cities across the United States. Nuttall Gear has compressor drives working at NASA, Times Square Commercial Center in Hong Kong, Petronas Twin Towers in Malaysia, turbine drives at Formosa Plastics in Taiwan, pump drives operating in Cogen facilities in Thailand and the Philippines, and cooling tower drives operating at Florida Power and Light. Nuttall Gear has a rich history with supplying speed increasers for reactant coolant pumps at nuclear power plants here in the United States and globally.
At Nuttall Gear we understand that it takes more than just good gears to meet your expectations. It also requires attention to detail and a commitment to customer service. These two qualities allow Nuttall Gear to handle the toughest applications in the industry. You will receive your TDS tested and ready to run, not ready to assemble. Whether your job is big or small we handle each one with a commitment to quality and customer service. Nuttall Gear is a company with a history of high standards and proven performance and we work each day to keep it that way.
Nuttall Gear is "Your Total Drive Source".
SU/SD High Speed Gear
For over 60 years, Nuttall Gear has been supplying “Step Up” or “Step Down” High Speed gear drives to the industrial and nuclear markets. Our Type SU / SD High Speed units are available in ratings to 40,000 HP, speeds to 45,000 RPM in ratios up to 15:1. Millions of hours of operation have proven the design integrity and reliability of Nuttall Gear’s Type SU / SD on applications such as compressors, fans, pumps, and turbines. Gear drive designs are available for AGMA 6011, API 613 or 677, and Class I-E Nuclear Safety Related Applications. Nuttall Gear understands each application can have its own special requirements and we can design and manufacture our High Speed drive to meet your special requirements.
Our standard design features include:
- A rigid cast iron or welded steel housing
- Dynamically balanced precision double helical gearing for uniform load distribution and quiet running
- Oversized split sleeve bearings for smooth, efficient running
- Split labyrinth non contact oil seals for long life
- Self contained forced oil lubricated gears and bearings
Options are available and can include:
- Multi-speed (shifters) gear train variations with either manual, pneumatic or hydraulic shifting
- Remote mounted custom lubrication systems
- Sophisticated monitoring systems to measure temperature, pressure, and vibration
- Built in turning gears
2,500 HP size SU14-1200L with self contained lubrication system and auxiliary sump for centrifugal pump application |
6,000 HP Compressor drive train utilizing Nuttall size W2SSU16-1200L multi-speed unit with self contained lubrication system, integral turning gear, and pneumatic shifting |
Precision double helical gearing from above W2SSU16-1200L multi-speed unit |