Airflex Clutches and Brakes for Oil & Gas October 2013 2008 Eaton Corporation. All rights reserved.
Airflex Overview and History Leading Manufacturer of Industrial Clutches and Brakes Make-to-order business with unique solutions to meet exacting customer needs Highly engineered and customized - not a commodity Critical part of large, complex systems designed into harsh environments Power transmission and load management Personal safety, safeguarding high cost equipment, critical to system performance Heavy involvement with customer system engineers to understand their applications 2 2
Founder s History Founder of the Airflex Division 1889; Born in Sioux Falls, SD At 17; Started Building Fawick Flyers 1914; Entered Farm Equipment Industry Concentration on Clutch Technology 1918; President of Twin-Disc Tom Fawick 1928; Entered Rubber Business in Akron, OH 1938; Develop the CB Airflex Clutch for Navy Marine Reverse Gears After WWII; Concentrated on Industrial Clutches 1968; Eaton acquires Airflex business Over 200 patents applied to Tom Fawick 3 3
Traditional Industries & Applications Served Oil & Gas Clutches and brakes used on thousands of oil rigs around the world Mineral Processing First clutch ever used on these applications to engage the motor to the mill Clutches as large as 76 inches in diameter Mining Used on the largest surface mining equipment in the world Primary parking & emergency brakes for all functions Marine Supplying Navy vessels since 1938 Used to drive the main propulsion systems Additional Industries: Metalworking, Can Making, Paper Mills, Tire Building, Textiles, Cement Manufacturing Eaton Airflex products are critical to powering the global energy industry. Our product breath and depth far surpasses all competitors and our quality superiority differentiates us in our markets. 4 4
Airflex Product Portfolio Water Cooled Air Cooled Clutch/Brake Calipers Constricting Drum Expanding Drum Disc Products Drum Products Airflex specializes in large brakes. Our products are capable of producing over 10,000,000 in-lbs (1,100,000 N-m) of torque (typical cars produce about 3,000 in-lbs) Spider for a 76VC drum clutch. Airflex manufacturers clutches up to 76 inches in diameter. We make the largest drum clutch in the world. A Global Clutch / Brake Leader with Broad Range 5 of Products 5
Disc Product Portfolio Disc Advantages Typically longest life products More diverse than drum many styles and solutions Air cooled and water cooled available Can be spring or air applied Most have full annular or ring shaped housings and full annular friction pads Allows for longer life Greater torque per envelope size Lower inertia than a typical caliper brake Clutch - Brakes Water Cooled Brakes Actuation Cooling Airflex Model Pneumatic (Air) Air DC Pneumatic (Air) Water WCSB, WCB Spring Air DBA, DBB, DBBS Spring Water WCSB, WCS Calipers Air Cooled Clutches & Brakes 6 6
Water Cooled Product Line WCB2/D, WCS, WCSB Product Description & Overview Water cooled brake or clutch for dynamic applications Provides highly effective heat dissipation through constant water circulation Spring or air applied Features & Specs Available with 6 disc diameters (8-48 ) Up to 4 disc s per brake Torque ranges from 5,700 2,744,000 lb-in Torque @ catalog rating Operating pressure range of 0-150 psi Thermal Power Capacity 30 5,200 HP Maximum Speed 360-2,150 rpm Target Markets Oil & Gas Drawworks Brakes Mooring Systems Paper processing Metal processing Marine Product Differentiators Piston and cylinder actuation for constant and repeatable torque Clamp tube stud design Higher HP per plate No stick slip 7 7
Air Cooled Product Line DC, DBB, DBA, DBBS Product Description & Overview Proven air cooled clutch / brake product line for high torque requirements Spring or air applied Features & Specs Available with 6 disc diameters (9-50 ) Up to 4 disc s per brake Torque ranges from 10,500 2,240,000 lb-in. Operating pressure 0 150 psi Maximum Disc Speed 600 3,000 rpm Maximum Element Speed 450 1,600 rpm Target Market Oil and gas Drawworks Brakes Mooring Systems Paper processing Metal processing Surface Mining Product Differentiators Large friction volume / area per available size Very low inertia with DBB product line Clamp tube stud design Piston and cylinder actuation for constant and repeatable torque 8 8
Drum Product Portfolio Drum Advantages Long life Air actuation tube Friction Rugged and reliable Absorbs vibration Smooth engagement Allows some slipping Accommodates more misalignment than disc brakes with gear couple Short rebuild time compared to disc CM E VC CB EB 9 9
CB Product Line Torque is transmitted through the steel rim, tube and friction material onto a mating cast iron drum located in the element inside diameter. Lockwire Pin Air Applied Sizes: 3 to 45 Diameter Torque up to 520,000 lb-in (58 KN-m) Side Connection Rubber Tube Bonded to Metal Rim Friction Shoe Assembly Steel Rim 10 10
VC Product Line Torque Bar Air Applied Sizes:11.5 to 76 Diameter Torque up to 9.3 Million lb-in (1,000 KN-m) Side Connection Rubber Tube Release Spring Side Plate Ventilated Friction Shoe Assembly Steel Rim 11 11
Enhanced Water Cooled Brake 36WC Overview Redesigned brake for higher HP rating Thicker copper and increased water flow for higher energy dissipation Elimination of copper and friction material machining on service units Benefits 20% increase in HP rating Ease of maintenance Improved reliability and durability Less downtime Available Now Target Market Oil and Gas Oil and gas Drawworks Brakes Mooring Systems Paper processing Metal processing 12 12
Typical Drum Applications VC Motor Brake Grinding Mill Dual VC Clutch Application 32VC Oil and Gas Drawworks Oilfield Top Drives 13 13
Typical Drum Applications VC Clutches Engine Airflex Dual 51VC1600 Gearbox Marine Propulsion Drive 14 14
Typical Disc Applications DBA Brake WCB Tension Brake Paper Mill Tensioning Mining Hoist Brake WCB Tension Brake DBB Motor Brake Marine Winch 15 System 15
Typical Disc Applications Oil and Gas Drawworks Combination Clutch/Brake 424WCB Land Rig 224WCB Tension Brake Stamping Press 16 16
Reintroduced Hydraulic Calipers Application Case History Oil and Gas Top Drive Problem Statement: Increasing low priced competition in the low end caliper market has prevented Eaton to regain business Product: 200DPA Hydraulically Applied Caliper Result: Eaton has leveraged manufacturing synergies to win against the competition 17 17
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