Group: Altra Industrial Motion
Catalog excerpts
ALTRA INDUSTRIAL MOTION Centric Overload & Centrifugal Clutches Solutions To Torque/Timing Control An Altra Industrial Motion Company
Open the catalog to page 1Altra Industrial Motion Boston Gear Boston Gear is a global supplier of quality power transmission products to most major industrial markets. With unparalleled delivery programs and superior customer service, the power transmission consumer, distributor and OEMs who demand the best, count on Boston Gear. Boston Gear provides an extensive off-the-shelf product offering of more than 20,000 products combined with the ability to custom engineer unique solutions when required. Products are designed to perform in an unlimited array of industrial applications from unit handling to food processing...
Open the catalog to page 2Boston Gear Centric Clutch Products Table of Contents
Open the catalog to page 3Boston Gear Centric Clutch Products Centric Clutch History Since 1948, Centric Clutch has been manufacturing Centrifugal Clutches for a wide range of industries. Designed as a means to connect power in a drive train with soft start or delay capabilities, Centric’s centrifugal clutch was the industry’s first overload protection device with repeatable performance. Capitalizing on the need for a dependable and repeatable torque limiter, Centric produced the TrigO-Matic Overload Release Clutch, the original single position, mechanical torque limiting device. Customer requests for a simple cost...
Open the catalog to page 4Boston Gear Centric Clutch Products Centrigard™ trig-o-matic lite™ Overload clutches trig-o-matic™ overload clutches ORC SERIES MODEL S Pages 15-25 ORC SERIES MODEL F Pages 26-33 model H overload clutches HOR SERIES Pages 35-43 Pneumatic Disconnect clutches varitorque™ overload clutches VOR SERIES NLS® Pages 69-73 Centrifugal Clutches CentrIC Centrifugal Clutches P-1500-BG
Open the catalog to page 5Boston Gear Centric Clutch Products Quick Selection Guide Boston Gear Overload Clutches Spring Loaded Mechanical Torque Limiters Model Packaging Packaging Packaging Packaging Packaging Packaging Packaging Washdown Wastewater Duty Duty Duty Duty Duty Duty Duty Duty Duty ORC-F ORC-SA ORC-SB ORC-SP ORC-SM HOR Torque +-10% Repeatability +-10% +-10% +-10% +-10% +-10% +-10% +-10% +-10% Reset Type Shut down mechanism Free wheeling Fully Fully Fully Fully Semi- Manual Automatic Automatic Automatic Automatic Automatic Reset Plate style Plate style Plate style Pin style automatic reset automatic...
Open the catalog to page 6Boston Gear Centric Clutch Products Quick Selection Guide Boston Gear Overload Clutches Centrifugal Clutches Pneumatic Torque Limiters Model Applications Torque Repeatability POR PDC VOR High Speed Washdown Duty Washdown Duty Washdown Duty Reset Type Fully Fully Fully Automatic Automatic Automatic Shut down mechanism Plate style Plate style Plate style automatic reset automatic reset automatic reset Free wheeling Reset Position Minimum Torque Range (Inch-lbs) Maximum Torque Range (inch-lbs) Heavy Duty Heavy Duty Spring Controlled Free Engagement Bushing Mounted No No No Yes Vertical Lift...
Open the catalog to page 7Centrigard ™ Overload Clutch Centric products have long been known as the most durable overload clutches on the market. Today we have added a maintenance friendly clutch that provides zero backlash. This clutch will be ready to limit the transmitted torque no matter if the overload jam is once a year or many times per day. Features • Compact design with fewer components • Widest torque range in its class: 50 to 1,200 in. lbs. • Fully automatic reset • Roller Detent • Bi-directional single position clutch • ardened components rated for thousands of H overloads • Maximum torque limit stop •...
Open the catalog to page 9Centrigard ™ Overload Clutch Type F Flexible Coupling Clutch Torque Clutch Bore Coupling Coupling Torque Range (Lb. In.) Maximum Weight Size Code Max (in.) Max. (2) Bore Max. (1) Bore Min Max RPM (lbs.) 1200 1000 5.0 060 M 1.25 1.562 1.500 50 Refer to page 96 for a complete list of bore codes. (1) Square Key, (2) Flat Key See ORC1 coupling on page 22 for misalignment limits. Sprocket Mount 3 EA 1/4-20 .562 DEEP ON 2.875 DIA B.C. TRIP PLATE .150 TRAVEL 3.15 SPROCKET PILOT Minimum Acceptable Plate Sprocket Mounts Minimum Number of Teeth per Pitch Size #35 #40 #50 #60 #80 Clutch 3/8 1/2 5/8...
Open the catalog to page 10Trig-O-Matic Lite Mechanical Overload Clutches LOR Series Section Contents
Open the catalog to page 11Trig-O-Matic Lite Overload Clutches LOR Series Features • Simple cost-effective design • Bi-directional operation • Single position reset • Reliable limit switch actuating plate • Easy torque adjustment • Maximum torque limit stop • Through shaft or end shaft mounting • Large bore capacity • Bored to size • Torq/Gard interchange Operating Principles The LOR Series Trig-O-Matic Lite is an automatic reset, roller detent style clutch. It was designed to be cost-effective without sacrifice to accurate and dependable disconnect protection for mechanical equipment. Refer to Figure 1....
Open the catalog to page 12Trig-O-Matic Lite Overload Clutches Selection Torque Adjustment 1. etermine overload release torque by one of these D methods: Each clutch is tested throughout the torque range then set at the minimum torque range value at the factory. The torque dial label is indexed to a match mark on the clutch at the number “1” location. The torque dial label has eight hash marks evenly spaced at 45 degrees. To increase the torque, loosen the locking screw and turn the adjusting screw clockwise. When the desired torque value is achieved, secure the torque adjustment screw by tightening the locking...
Open the catalog to page 13Trig-O-Matic Lite Overload Clutches LOR Series Straight Bore 3 HOLES AT 120ϒAPART “K” THREAD x “L” DEEP ON “M” DIA. B.C. FOR SPROCKET MOUNTING Ratings Clutch A Size Min 060 .5000 200 1.0000 * aximum RPM dependent on operation of clutch with limit switch and immediate shut down. M (1) Square Key (2) Flat Key Bore Tolerances Bores Tolerance 0” to 1” +.0005/-.0000 1” to 3” +.0010/-.0000 Standard Keyways * lease contact Boston Gear for Sprocket Clutch Assemblies. P Clutches are shipped set for the minimum torque value unless specified. Refer to Page 11 for ordering informa
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