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Couplings & mechanical soft-starts catalog

Couplings & mechanical soft-starts catalog
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Couplings & mechanical soft-starts catalog

Product catalog summary
Specifications and Service Factors
The document outlines service factors for various coupling types, emphasizing consultation with Dodge for cases involving substantial shock, frequent starting and stopping, or internal combustion engines with fewer than four cylinders. It stresses the importance of checking coupling stiffness to prevent damaging vibrations and suggests a complete system torsional analysis if necessary. An additional 0.5 should be added to the service factor if a flywheel is not used.
Coupling Types and Service Factor Adders
Service factor adders are listed for different coupling types, including Raptor, Para-Flex, D-Flex, and Metallic, with specific adjustments based on the motor or engine type.
Raptor Elastomeric Coupling Features
The Dodge Raptor elastomeric coupling is designed for easy assembly and maintenance, featuring a patented split natural rubber element that reduces costs and extends equipment life. It offers a 5-year warranty and is compatible with competitors’ components. The Raptor's WingLock™ element design enhances bond strength and fatigue resistance.
Performance and Installation
Benchmark testing shows the Raptor lasts six times longer than competitors under misalignment and torque conditions. It features a split element for easy replacement, slotted clamp ring holes for extra clearance, and a maintenance-free natural rubber element. Armored elements are available for harsh environments.
Mounting Options and Specifications
The Raptor offers flexible mounting options, including finished bore, Taper-Lock, and QD bushed options. It is ATEX certified for hazardous environments. Detailed specifications for coupling sizes, bore capacities, and dimensions are provided, emphasizing consultation with Dodge for larger bore capacities and specific installation requirements.
Overview of Elastomeric Couplings
The document provides detailed specifications and part numbers for elastomeric couplings, focusing on both Imperial and metric hardware compatibility. It includes information on shaft hubs, finished bore hubs, mill motor hubs, and Taper-Lock bushed couplings.
Specifications
  • Shaft Hubs: Designed for Imperial hardware, with options for metric hardware. Finished bores for sizes E2-E60 are Class 1 clearance fit, while E70-E140 are interference fit per AGMA 9002.
  • Finished Bore Hubs: Available in various inch and metric sizes, with specific part numbers for each bore size. Interference fit is standard for certain sizes.
  • Mill Motor Hubs: Detailed specifications for different sizes, including maximum rated torque, RPM, and dimensions. Part numbers are provided for each configuration.
  • Taper-Lock Bushed Couplings: Includes part numbers for standard and armored elements, with specifications on maximum bore, torque, and RPM. Spacer options are also detailed.
Procedures and Standards
  • Reference to International Catalog (9AKK107387) for metric hardware compatibility.
  • Finished bores follow AGMA 9002 and ISO R775 standards for fit specifications.
Recommendations
  • For metric hardware, consult the International Catalog or contact ABB.
  • Ensure correct fit type (clearance or interference) based on application requirements.
Key Data from Tables
  • Part numbers are listed for each bore size and coupling type, indicating compatibility with specific hardware and fit types.
  • Dimensions and weights for mill motor hubs and Taper-Lock bushed couplings are provided, aiding in selection based on application needs.
Para-Flex QD Couplings
The document provides detailed specifications and part numbers for Para-Flex QD couplings, including various types and sizes. It covers the components, dimensions, torque ratings, and assembly instructions for different coupling configurations.
SpecificationsThe Para-Flex QD coupling consists of an element, flanges, and QD bushings. Neoprene element ratings match those of standard natural rubber elements. The document includes a table listing coupling sizes, torque, horsepower, bore dimensions, RPM limits, and weights.
Coupling TypesThe document details two main types of couplings: Bored-to-size (BBS) and Taper-Lock. Each type has specific dimensions, weight, and inertia values. The BBS type is available in sizes PX60 to PX320, while the Taper-Lock type includes sizes PH87 to PH252.
Assembly InstructionsComplete couplings consist of flange assemblies and elements. The document specifies the part numbers for each component and provides guidelines for re-boring and fitting tolerances according to AGMA standards.
Performance CharacteristicsThe document highlights the performance features of the couplings, such as their ability to compensate for misalignment, cushion thrust loads, absorb vibration and shock, and prolong bearing life. It also mentions the availability of high-speed and flywheel configurations.
Part Numbers and OrderingDetailed part numbers are provided for each coupling size and configuration, including standard, neoprene, and cordless elements. The document advises on ordering Taper-Lock bushings separately and refers to additional pages for specific bushing information.
D-Flex Couplings
The document is a technical catalog for Elastomeric D-Flex couplings, detailing specifications, features, options, and ordering information. It includes various types of couplings, their components, and compatibility with different materials.
SpecificationsD-Flex couplings use a molded, non-lubricated elastomeric flexing sleeve available in EPDM, Neoprene, or Hytrel. Each material has specific temperature ranges and flexing capabilities. EPDM operates from -30°F to +275°F, Neoprene from 0°F to +200°F, and Hytrel from -65°F to +250°F. The sleeves accommodate angular misalignment and torsional flexing.
Features and BenefitsThe couplings are designed for easy installation with interchangeable components. They require no lubrication, ensuring clean and quiet operation. The design includes concentric outside diameters for alignment ease and setscrews for optimal shaft attachment.
OptionsThe catalog lists various flange styles, including Type J, S, B, and SC spacer couplings, each with specific features like material construction and shaft attachment methods. Type J is low-cost with zinc die-cast flanges, while Type S uses high-strength cast iron. Type B employs standard QD bushings, and Type SC is designed for pump applications.
Ordering InformationStandard couplings consist of two flange assemblies and one flexible sleeve element. Spacer couplings include two shaft hubs, two spacer flanges, and one flexible sleeve element. The document provides detailed nomenclature for ordering specific components.
Selection and DimensionsThe document provides detailed dimensions and ratings for different coupling sizes, including torque ratings and maximum RPMs. It also outlines the compatibility of various sleeve types with different flange styles.
ATEX ApprovalEPDM and Neoprene elements are ATEX approved, with all necessary documentation included at no extra charge.
StarFlex and Poly-Disc Couplings
The document provides detailed specifications and guidelines for Elastomeric couplings, specifically focusing on the StarFlex and Poly-Disc models. It covers performance factors, maintenance tips, ordering information, and technical specifications.
Performance FactorsThe performance of couplings is influenced by torque rating, vibration, temperature, chemical resistance, misalignment, speed, installation, and removal. Proper selection of insert material is crucial for optimal performance.
Maintenance TipsRegular manual inspection is recommended to prevent jaw tips from contacting, which can cause noisy operations. Inserts should be replaced if worn, and service factors should not be overestimated to avoid unnecessary costs and potential damage.
Elastomeric - StarFlex
  • Components: Consists of two hubs and one element.
  • Ordering Information: Includes hub size, bore size, and optional integral key.
  • Materials: Available in NBR rubber, Urethane, Hytrel, and Bronze.
  • Torque and Speed Ratings: Detailed for various sizes, with specific ratings for different materials.
  • Dimensions: Provided for each size, including bore, diameter, length, weight, and inertia.
Elastomeric - Poly-Disc
  • Specification: Pin type coupling using a molded polyurethane disc, resistant to chemicals and capable of handling shock loads.
  • Operating Range: -90°F to +170°F.
  • Misalignment Tolerance: Allows 2° angular and 1/32” parallel misalignment.
  • Components: Includes Taper-Lock flanges, bushings, and a Poly-Disc element.
  • Dimensions and Ratings: Detailed for various sizes, including torque, horsepower, bore sizes, RPM, and weight.
Grid-Lign Metallic Couplings
The document provides detailed specifications and ordering information for Dodge Grid-Lign metallic couplings, which are used in high-speed motor connections and low-speed reducer output connections. These couplings are known for their compact size and high torque capability, offering versatility in various applications.
Specifications
  • Available in 24 sizes from 1020T to 1200T, with maximum bore sizes up to 21.85 inches and torque capabilities up to 7 million in.-lb.
  • Features include torque density, large bore capabilities, misalignment and vibration damping, and interchangeability with industry-standard tapered grid couplings.
  • Couplings are available in close-coupled and spacer designs (T31 or T35).
  • Grid elements are made of high-strength spring steel, heat-treated for durability.
Components
  • Standard couplings consist of two steel shaft hubs and a grid & cover assembly (T10 or T20).
  • Spacer couplings include additional spacer assemblies.
  • Couplings are fitted with covers to retain lubrication and prevent contamination.
Ordering Information
  • Couplings are available in both clearance fit and interference fit options.
  • Taper-Lock bushings must be ordered separately.
  • Part numbers are provided for various coupling sizes and configurations.
Maintenance
  • Dodge coupling grease is supplied with grid couplings sizes 1020T-1090T, offering up to five years of maintenance-free operation.
  • Grease is capable of withstanding high centrifugal forces during operation.
Dimensions and Performance
  • Detailed dimensions and performance specifications are provided for each coupling size, including weight, inertia, torque, and maximum RPM.
  • Tables list part numbers for grid and cover assemblies, hubs, and bushings.
Rigid Couplings
The document provides detailed specifications and ordering information for various types of rigid couplings, including Taper-Lock, Ribbed, Keyless, and DM Moment couplings. These couplings are used to connect two perfectly aligned shafts and are available in different configurations to suit various applications.
Taper-Lock Rigid CouplingsThese consist of two flanges joined by bolts and taper bored for Taper-Lock bushings. They are available in sizes R16 to R60, with torque capacities ranging from 5,050 to 254,500 in.-lbs. The document includes detailed dimensions and part numbers for standard and stainless steel versions.
Ribbed Rigid CouplingsThese couplings are axially split to clamp on shafts of the same diameter and are held together by bolts. They allow for quick installation and removal. The document provides specifications, dimensions, and part numbers for various bore sizes.
Keyless Rigid CouplingsThese consist of a male flange, a female flange, and optional keeper plates. They are designed for applications requiring high torque and axial load capacities. The document includes specifications, dimensions, and part numbers for different sizes and configurations.
DM Moment CouplingsDesigned for bulk material handling applications, these couplings connect the output shaft of a gearbox to driven equipment. They are made from high-strength 4140 alloy steel and are engineered to handle both torque and bending moment forces. The document provides features, benefits, and selection dimensions for DM Moment couplings.
Ordering InformationThe document outlines the components included in each coupling assembly and provides part numbers for ordering. It also notes that Taper-Lock bushings are ordered separately and provides references to instruction manuals available online.
DM Moment Couplings
The document provides detailed specifications for DM Moment Couplings, including various models such as DM75, DM100, DM150, DM210, DM285, DM390, DM525, DM700, DM920, DM1400, and DM2100. Each model is characterized by parameters such as weight, bore size, and dimensions.
Procedures and Recommendations
1. Larger sizes of couplings are available upon request.
2. Shrink disc options are available.
3. DM moment couplings have a maximum bore based on special interference fits. It is advised not to follow interference fits on pages 119-123 for these couplings.
4. For part numbers, contact Dodge.
Standards and NormsThe document includes bore tolerances, keyway tolerances, and fits according to AGMA 9002 standards. It provides detailed tables for nominal shaft diameters ranging from 1/2 inch to 9-3/8 inches, specifying clearance and interference fits, as well as keyway dimensions.
Key Data from TablesThe tables provide minimum and maximum values for shaft diameters, hub bores, and keyway dimensions. These are critical for ensuring proper fit and function of the couplings.
Additional NotesAn instruction manual (MN4046) for DM Moment couplings is available on the Baldor ABB website.
Keyway Dimensions and Specifications
The document provides detailed specifications for keyway dimensions, including shaft diameters ranging from 12 mm to 200 mm. It lists the keyway width, depth, and key size for various bore ranges. Notably, shallow keyway dimensions are not included, and for additional tolerance and keyway dimensions, contact information for Dodge customer order engineering is provided.
Temperature Ratings and Chemical Compatibility
Temperature ratings for various coupling types are specified, with ranges provided for standard and armored elements, as well as different materials like EPDM, Neoprene, Hytrel, NBR, Urethane, and Bronze. The document also includes a table rating the chemical compatibility of natural rubber and armored elements with various substances, using a scale from 1 (minor effect) to 3 (severe effect).
Misalignment Ratings
Misalignment ratings for different coupling types are detailed, including angular, parallel, and end float misalignments. Specific values are provided for Raptor, Para-Flex, StarFlex, Poly-Disc, Grid-Lign, and Chain couplings.
Torsional Stiffness
The document outlines torsional stiffness values for Para-Flex, Raptor, and D-Flex couplings, with values given in in.-lbs./degree or in.-lbs./radian. These values are nominal and may vary by +/- 20%.
Common Shaft Sizes
Common shaft sizes for NEMA and IEC frames are listed, providing a quick reference for standard shaft dimensions.
Mechanical Soft Starts - Flexidyne
The Flexidyne section highlights features and benefits such as smoother acceleration, efficient design, overload protection, and increased productivity. It also provides specifications, ordering information, and a simplified selection procedure for Flexidyne mechanisms, including starting torque percentages for various applications.
Mechanical Soft Starts - Fluid Couplings

Specifications and FeaturesThe document provides detailed specifications for mechanical soft starts using fluid couplings. Key features include smoother and shock-free operation, overload protection, and low current draw. These couplings allow for the use of standard NEMA design B motors, eliminating the need for special winding or wound rotor motors. They also provide overload protection at levels slightly above starting torque and are recommended by many electric utilities due to their efficiency.
Starting Horsepower and Acceleration TimeThe document includes tables showing the maximum allowable acceleration time for different RPMs and starting horsepower, depending on the frequency of starts (ranging from 2 hours to 1 minute). For example, at 1160 RPM with a 2-hour frequency, the starting horsepower is 60 for 100 seconds of acceleration time.
Selection and OrderingFluid couplings are available in various sizes, with specifications for bore size and coupling style (KSD, KCM, KRG). The document provides a detailed guide on how to select and order the appropriate coupling size based on horsepower and RPM requirements.
Dimensional DataDetailed dimensional data sheets are provided for different coupling styles, including KSD, CKSD, KCM, CKCM, and KRG. These sheets include measurements for bore size, weight, and oil capacity, among other parameters.
Part Numbers and DescriptionsThe document lists part numbers and descriptions for various fluid couplings and gear couplings, including options for delay fill and collet mounts. It also provides information on replacement parts such as fuse plugs and switch pin kits.
Mechanical Clutches - Torque-TamerThe Torque-Tamer clutches offer low-cost overload protection and are designed to slip during overload conditions, protecting the drive train components. They feature non-asbestos friction discs and a new keyed bushing for improved performance. The clutches are easily adjustable using standard tools and provide automatic reset after overload conditions.
ConclusionThis document serves as a comprehensive guide for selecting and utilizing mechanical soft starts and clutches, providing detailed specifications, part numbers, and ordering information to ensure optimal performance and protection in various industrial applications.
Torque-Tamer Mechanical Clutches
The document provides detailed technical specifications and ordering information for Dodge Torque-Tamer mechanical clutches, which are designed to protect drive systems by slipping under overload conditions and automatically re-engaging once the overload is cleared.
SpecificationsThe Torque-Tamer clutch is a protective device that slips when overloaded, protecting the drive train components. It automatically re-engages without needing a reset once the overload is relieved. The clutch is available in various sizes and can be customized with additional springs for higher torque ratings.
Application VersatilityThese clutches can be used with various driven members such as sprockets, gears, and sheaves. The rubbing surfaces of the driven members should be ground to a smooth finish for optimal performance.
Ordering InformationTo order a Torque-Tamer clutch, specify the size, bore size, and the required sprocket and bushing width. The clutch comes with friction discs and one spring, while sprockets, bushings, and additional springs must be ordered separately.
Selection and DimensionsThe document provides a step-by-step guide to selecting the appropriate Torque-Tamer size based on the torque limit and application requirements. It includes charts for determining the minimum number of sprocket teeth, bushing width, and maximum bore capability.
Additional ComponentsThe document lists part numbers for various components such as bushings, springs, and replacement parts, along with their specifications and dimensions.
Installation and MaintenanceInstructions for mounting and maintaining the Torque-Tamer clutches are provided, emphasizing the importance of not using lubricants on certain parts and ensuring proper alignment during installation.
Bushings Specifications
The document provides detailed specifications for various bushings, including torque ratings, dimensions, and keyway sizes. Torque ratings are specified for different bushing sizes, with a caution against over-torquing to prevent hub damage. The torque values are reduced for the 'No kW' option.
Installation ProceduresInstallation instructions are provided for conventional and reverse mounting of bushings. The document lists the required wrench clearance and screw torque for each bushing size. Specific instructions for using open-end and socket wrenches are included.
Standards and NormsThe document adheres to specific engineering standards for bushing dimensions and keyway sizes. It includes part numbers (P/N) and weight specifications for each bushing size.
RecommendationsRecommendations include ensuring proper torque application during installation and consulting the Dodge product manuals available online for detailed installation and maintenance instructions.
Data SummaryThe document contains extensive tabular data detailing bushing sizes, bore dimensions, part numbers, weights, and keyway specifications. Key sizes are referenced for each bushing type, with specific notes on integral key bushings and keyway width options.
Critical InformationImportant notes include the necessity of using the correct torque to avoid damage and the availability of additional resources online for installation guidance.
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Catalog excerpts

Couplings & mechanical soft-starts catalog-1

— Coupling Engineering catalog Couplings & mechanical soft-starts Engineering catalo

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Couplings & mechanical soft-starts catalog-2

To receive a copy of the Dodge® Coupling Catalog, Dodge Bearing Engineering Catalog, Dodge Gearing Engineering Catalog, Dodge Power Transmission Components Engineering Catalog, or Dodge Product Manuals, contact your local authorized Dodge Distributor or www.baldor.abb.com. American Bearing Manufacturers Association Electrical Apparatus Service Association, Inc. American Gear Manufacturers Association MHI - the industry that makes supply chains work Bearing Specialist Association National stone, sand & gravel association Conveyor Equipment Manufacturers Association Society for Mining, Metallurgy...

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Couplings & mechanical soft-starts catalog-4

Selection methods & service factors Elastomeric couplings Metallic couplings 77 Grid-Lign 92 DGF gear 98 Chain 105 Taper-Lock® rigid Ribbed rigid Keyless rigid Coupling engineering Bore tolerances, keyway tolerances, & fits Temperature ratings Elastomer chemical compatibility Misalignment ratings Torsional stiffness Common shaft size

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Couplings & mechanical soft-starts catalog-5

Mechanical soft starts Fluid couplings Mechanical clutches Part number index

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Couplings & mechanical soft-starts catalog-6

— Dodge® couplings Uniquely engineered to reduce vibration, accommodate shaft misalignment, and eliminate unexpected downtime. Dodge has manufactured couplings for over 100 years and has earned a reputation for developing innovative products that lower customers’ total cost of ownership. Our coupling product line offers elastomeric, metallic and mechanical soft-start coupling solutions that can be trusted to perform reliably in the toughest applications. Types of coupling offered: Elastomeric • Vibration and shock load absorbing • Can accommodate misalignment • Economical • Maintenance-free Metallic...

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Couplings & mechanical soft-starts catalog-7

REFERENCE CHART — Reference chart Ribbed rigid Angular (degrees) Torque (in.-lbs.) Element material NBR, Urethane, Hytrel, Bronze EPDM, Neoprene, Hytrel Natural rubber Natural rubber Neoprene ATEX certification Shown are maximum ratings - v

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Couplings & mechanical soft-starts catalog-8

— Selection methods Raptor, Para-Flex, D-Flex, Poly-Disc, Grid-Lign, DGF Gear, and Rigid couplings Chain couplings Design Hp method: Step 1: Obtain required service factor from service factory tables on pages 7-9. Torque method: Step 1: Obtain required service factor from service factor tables on pages 7-9. Step 2: Determine torque required for application. Torque (in.-lbs.) = Step 3: From rating tables, find a rating equal to or greater than the torque. Note coupling size from left hand column. Step 4: Check maximum RPM capability Step 2: Determine application Hp: Hp design = Hp x S.F. Step...

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Couplings & mechanical soft-starts catalog-9

REFERENCE CHART — Selection methods Service factor Table 1 Factor ∆ Raptor, Para-Flex, Poly-Disc Paddle or propeller (vert. or horiz.) Screw Application (read footnotes) Grid, Chain, Rigid Cable reel, screen drive, stacker Cutter head drive, jig drive Application (read footnotes) Raptor, Para-Flex, Poly-Disc Grid, Chain, Rigid Blowers Centrifugal Pump, utility winch Brewing & distilling Bucket, freight Bottling machinery, brew kettle Cooker (continuous duty) Cooling tower Scale hopper-frequent starting peaks Heavy duty (forced draft) Induced draft Propeller indoor Beet slicer Cereal cooker Dough...

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Couplings & mechanical soft-starts catalog-10

Selection methods Service factor Table 1 (continued) Factor ∆ Application (read footnotes) Raptor, Para-Flex, Poly-Disc 1.50 Grid, Chain, Rigid Metal forming machines Suction roll Paraffin filter press Printing press Propeller marine Draw bench, carriage, main drive, extruder, Wire drawing, flattening machine Barge hall Pulverizers Ball or pebble direct or On LS shaft gear reducer On HS shaft gear reducer On LS shaft gear reducer On HS shaft gear reducer Tumbling barrel Pumps For stock pumps see paper mills Centrifugal Descaling gear type Oil well pumping (not over 150% peak torque Rotary - other...

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Couplings & mechanical soft-starts catalog-11

REFERENCE CHART Selection methods Service factor Table 1 (continued) Factor ∆ Raptor, Para-Flex, Poly-Disc Application (read footnotes) Sewage disposal equipment Shovel Shredder Steel industry Cold mills Coiler up or down Strip, temper Hot mills Coiler up or down Edger drive Feed roll blooming Roughing mill delivery Non-reversing, sheet strip Rod mill Soaking pit cover drive lift Grid, Chain, Rigid Soaking pit cover drive travel Factor ∆ Raptor, Para-Flex, Poly-Disc 1.00 Application (read footnotes) Steering gear Stoker Textile mills Batcher Grid, Chain, Rigid 1.00 1.00 “Calender, card machine,...

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Couplings & mechanical soft-starts catalog-13

— Elastomeric - Raptor Features/benefits — Designed and developed by Dodge A better choice has arrived Coupling maintenance and reliability should not consume your maintenance team's time. The Dodge Raptor elastomeric coupling is the answer to these concerns. The Raptor’s easy to assemble, patented split natural rubber element significantly decreases total costs of ownership and extends driven equipment life. Built for drop-in interchangeability, the Raptor features an innovative design offering easier installation, reduced maintenance, and improved reliability in a wide range of new and existing...

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Couplings & mechanical soft-starts catalog-14

Elastomeric - Raptor Features/benefits • Industry leading misalignment capabilities • Less vibration transmission to connected equipment • Better shock absorbing capabilities • Static conductive for grounding redundancy, allowing current to safely pass through the natural rubber element, preventing the possibility of arcing during operation • Exceptional resistance to hydrolysis, for improved performance in humid environments • Superior thermal conductivity and ability to dissipate heat and hysteresis build up Patented WingLock™ element design The Dodge Raptor utilizes a patented finite-element...

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Couplings & mechanical soft-starts catalog-15

Elastomeric - Raptor Features/benefits — Suited for any application A practical solution to spacer couplings The innovation behind the Raptor coupling also extends to applications requiring additional space between shaft ends. • One spacer element fits all standard ANSI and ISO spacer lengths. • Spacer elements can be replaced with standard closecoupled elements, resulting in lower replacement costs and reduced inventory. • Eliminates the need for high-speed rings, resulting in easier installation, while also reducing purchase costs and inventory requirements. • Modular full spacer design can...

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