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Spring Set Brakes for Heavy -Duty Applications

Spring Set Brakes for Heavy -Duty Applications
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Spring Set Brakes for Heavy -Duty Applications

Product catalog summary
Overview: Altra Industrial Motion's Spring Set Brakes are engineered for heavy-duty industrial applications, offering durability, minimal maintenance, and easy installation. They are suitable for environments like metal forming, cranes, mining, and drilling.
Specifications: These brakes are designed to endure extreme conditions, available in various models with different torque capacities and release pressures. They use high-quality non-asbestos lining materials for effective heat dissipation and extended lining life. The LKB Series is noted for its range of torque capacities, maximum ventilation, and minimal maintenance.
Quality Commitment: Altra's manufacturing facilities comply with global standards, including ISO 9001 and ISO 14001 certifications, focusing on cost-effective yet high-quality production.
Customer Service: Altra offers extensive global customer support, assisting in selecting the right clutch/brake design for specific needs.
Testing and Research: Altra invests in R&D globally, using proprietary software, 3D CAD modeling, and finite element analysis to advance product development.
Genuine Replacement Parts: The use of genuine replacement parts is emphasized for optimal performance, safety, and longevity.
Innovative Leadership: Altra is dedicated to innovation in power transmission solutions, providing a wide range of mechanical and electrical products.
Applications: The LKB Series is used in electric mining shovels, draglines, and other heavy industrial equipment, suitable for applications requiring both clutch and brake functions.
Technical Data: Detailed specifications and dimensions for various models are provided, including torque capacities, weight, and design features, along with guidance on model selection based on application requirements.
Specifications and Dimensions: Detailed specifications for motor models and frame sizes are included, with dimensions and mounting instructions using ASTM-574-97a socket head capscrews.
Component Parts: Lists component parts of the MB Series, including socket head capscrews, air tube holding plates, shims, airtubes, springs, and friction discs, each numbered for identification.
Model Part Numbers: Part numbers for different models and sizes are provided, essential for ordering and identifying components, including Quick Release Valves (QRV).
Air Hose Kits and Quick Release Valves: Air hose kits include parts for plumbing the brake air system. Quick Release Valves are noted for fast discharge rate and long life, with specific part numbers and specifications.
Heavy-Duty Clutch/Brake Group: Describes offerings from Wichita Clutch, Industrial Clutch, and Twiflex Limited, including pneumatic clutches and brakes, industrial disc brakes, designed for heavy-duty applications.
Contact Information: Provides contact details for sales offices and customer service centers in the USA, Asia Pacific, and Europe, including phone numbers and websites.
Additional Products and Services: Mentions other products like electromagnetic clutches and brakes, overrunning clutches, engineered couplings, linear products, and gearing solutions, with contact information for application assistance.
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Catalog excerpts

Spring Set Brakes for Heavy -Duty Applications-1

Altra Industrial Clutch Clutch

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Spring Set Brakes for Heavy -Duty Applications-2

Altra Spring Set Brakes provide proven performance in demanding industrial applications... worldwide. For over 80 years,Wichita Clutch and Industrial Clutch, the industry-leading brands of the Altra Heavy-Duty Clutch and Brake Group have been designing and manufacturing innovative clutch and brake solutions to meet the requirements for a broad variety of heavy-duty applications spanning many industries. Highly engineered Altra spring set brakes represent the latest in technology, featuring superior design and exceptional quality to ensure long-lasting performance in all types of industrial environments...

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Spring Set Brakes for Heavy -Duty Applications-3

Testing and Research Wichita Clutch and Industrial Clutch are recognized leaders in clutch/brake development with several complete R&D lab facilities located around the world. Capabilities: • Proprietary disc brake application software which calculates disc temperature and pad life estimation • 3D CAD solid modeling • Finite element analysis • Disc spring analysis Genuine Replacement Parts If quality and safety are important to you, insist on genuine replacement parts for your Industrial Clutch and Wichita Clutch clutches and brakes. With genuine replacement parts, you get better performance,...

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Spring Set Brakes for Heavy -Duty Applications-4

LKB Series Features The Model LKB brake is spring-set air or hydraulic released and can be provided with a wide range of torque capacities and release pressures by incorporating springs of different rates and quantity. Brake designed with total attention given to maximizing ventilation for cool-running operation. Benefits include: longer lining life; stable friction coefficients; and lower maintenance costs. All materials selected and field proven to provide the best available resistance to wear and thermal distress. Precision machining of all components ensures positive interchangeability of...

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Spring Set Brakes for Heavy -Duty Applications-5

LKB Series Applications Low Inertia LKB Brakes Model LKB spring-set brakes incorporate all of the design features of the LK style clutch and have been in existence equally as long. They are the perfect companion to the LK clutch if the application requires a clutch and a brake since both units are extremely fast in response, have low air consumption, and contribute the lowest possible inertia to the system that must be started and stopped. The separate clutch-brake combination has been applied in the metal forming industry on presses, press-brakes, and shears, for over forty years and are long-living,...

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Spring Set Brakes for Heavy -Duty Applications-6

LKB Series Dimensions SINGLE DISC DOUBLE DISC Dimensions: inches LKB Model Static Dynamic Torque 60 Torque 60 Weight Weight Weight WR2 PSI Release PSI Release Outer Inner Total Inner (lb.-in.) (lb.-in.) (lbs.) (lbs.) (lbs.) (lb.-ft2) Note: 1) Use certified drawing dimensions only for final layouts. 2) DXF and IGES files available upon request. 3) Dimensions subject to change without notice. 4) The torques shown are at 60 PSI release and may be varied by the use of different springs and spring combinations. For further technical data and recommendations please consult our Engineering Department....

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Spring Set Brakes for Heavy -Duty Applications-7

• Failsafe protection — spring-set • Long wear life • Quick, smooth stopping Wichita spring-set, air release Motor Brakes are ideal for failsafe protection of process equipment. Available in foot mounted and C-face options, this improved design has thicker friction discs for longer wear life. The fast acting Spring-Set actuation assures quick, smooth stops. Extra Thick Friction Discs Provide Long Life Multiple Spud Airtube Available With Taper Bore Low Stress Spined Hub Fast Acting Air Tube Design Optional Foot Mount Quick, Simple Installation

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Spring Set Brakes for Heavy -Duty Applications-8

Slip Torque Ib.in. .3 CF* *Do Not Exceed 90% Of Slip Torque Ratings — Model Minimum Air-Tube Pressure Maximum Horsepower Per 100 RPM Release Pressure - PSI Size PSI For Released Brake _60 PSI Duty_ _75 PSI Duty t Weight of internal clutch parts for use in calculating clutch engagement time.

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Spring Set Brakes for Heavy -Duty Applications-9

MB Series C-Face Motor Brakes Features • No lubrication • Low inertia design • Rugged, dependable design C-face adaptors are available in standard NEMA T and U frame designs. Custom adaptors are available for your specific motor design. Dimensions G, H, I, J and number of holes need to be provided to Wichita Engineering before final design is completed. When using Wichita C-Face Motor Brakes in a high cycling application, brake thermal capacity and motor thermal capacity need to be carefully matched. The motor information chart lists the specific Wichita part numbers for the proper adapter plate...

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Spring Set Brakes for Heavy -Duty Applications-10

MB Series Foot Mounted Motor Brakes Notes: 1. Quick Release Valves 2. Air Hose Kits

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Spring Set Brakes for Heavy -Duty Applications-11

Foot Mounted Motor Brakes Dimensions: inches (Consult factory for drawing before final layout.) Motor Model Motor Model Wichita motor brakes typically produce more torque than is usually necessary. Contact Wichita Engineering for help in selecting the number of springs to produce the proper deceleration for your application. Note: For mounting, use socket head capscrews conforming to the ASTM-574-97a.

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Spring Set Brakes for Heavy -Duty Applications-12

MB Series Component Parts 1. Socket Head Capscrews 2. Air Tube Holding Plate 3. I.D. Shims 12. Grooved Friction Disc (grooved on both sides) 5. Socket Head Capscrews 14. Grooved Friction Disc (grooved on one side) 6. Airtube Spring Plate 7. Springs 8. Spring Release Plate 9. O. D. Shims 10. Grooved Friction Disc (grooved on one side) 15. Hub 16. Ring 17. Backplate 18. Socket Head Capscrews

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Spring Set Brakes for Heavy -Duty Applications-13

Model Part Number I Model Part Number I Model Part Number Air hose kits contain all necessary parts (fittings, Optional Quick Release Valves can replace elbows on most units, (see Page 14) Model Part Number I Model Part Number

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Spring Set Brakes for Heavy -Duty Applications-14

MB Series Quick Release Valve Quality Material Body and Cap: Stem: Check Valve: "O" Ring: High strength aluminum alloy Molded nylon Nylon ball Neoprene The Wichita Springless Quick Release Valve discharges twice as fast as any other valve tested in our laboratory and is four to five times faster than some common makes of valves. This valve will close and seal with less than 20 lbs. pressure. Most others require 25 to 30 lbs. to definitely seal. In actual tests, the Wichita Valve made many hundreds of thousands of engagements and disengagements before the slightest leak occurred, or any parts...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.