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SUMITOMO Drive Technologies America
Cyclo BBB5 - Section 2 (Speed Reducer)

Cyclo BBB5 - Section 2 (Speed Reducer)

Product catalog summary

General Information
This document provides an overview of speed reducers and gearmotors, detailing their selection, configuration, and specifications.

Speed Reducers

Selection Process: Involves collecting application data, choosing a mounting position, selecting a frame size based on load classification and service factors, verifying dimensions, choosing an output connection method, and configuring a model number.
Model Number Configuration: Instructions on configuring a model number using product codes, output shaft orientation, mounting style, input connection, and other specifications.
AGMA Load Classifications: Classifications for different types of loads and applications, such as agitators, blowers, and conveyors, categorized by uniform, moderate, and heavy shock loads.
Selection Tables: Detailed tables for single and double reduction speed reducers, including frame sizes and ratios.
Dimensions: Information on verifying the dimensions of selected frame sizes to ensure compatibility.

Gearmotors

Selection Process: Similar to speed reducers, involves determining application requirements and matching them with appropriate gearmotor specifications.
Model Number Configuration: Guidelines for configuring gearmotor model numbers based on various parameters.
AGMA Load Classifications: Similar load classifications as speed reducers, tailored for gearmotors.
Selection Tables: Tables for selecting gearmotors based on horsepower and other specifications.
Dimensions: Verification of gearmotor dimensions to ensure proper fit and function.

Options
Outlines additional options and modifications available for speed reducers and gearmotors, such as washdown modifications and breathers.

Appendices

Special Load Guidelines: Additional considerations for special load conditions, including overhung and thrust loads.
Lubrication: Recommendations for proper lubrication to ensure optimal performance and longevity.
Motor Data: Information on motor specifications, wiring, thermal duty, and brakemotor characteristics.
Warranty: Details on warranty coverage for the products.

Industries and Machinery

Sugar Industry: Includes cane knives, crushers, and mills with load classifications of moderate (M) and heavy shock (H).
Textile Industry: Lists machinery such as batchers, calenders, and looms, primarily classified under moderate shock (M), with some requiring contact with Sumitomo (S).

Speed Reducers Specifications

Detailed tables for speed reducers, including frame size, output RPM, nominal ratio, input power (HP and kW), output torque (in•lbs and N•m), and hollow shaft overhung load (OHL) in lbs and N.
Tables organized by frame size and mounting positions (Y1, Y2, Y3, Y5, Y6) with dimensions referenced on specific pages.

Key Parameters

Input Power: Ranges from 0.602 HP to 27.1 HP depending on the frame size and configuration.
Output Torque: Varies significantly, with values reaching up to 9470 in•lbs (1070 N•m).
Hollow Shaft OHL: Consistently listed as 1435 lbs (6390 N) or 1810 lbs (8060 N) across different configurations.

Recommendations
Suggests selecting speed reducers based on specific application requirements, considering factors like load type and operational conditions.

Specifications

Input Power: Ranges from 0.936 HP (0.698 kW) to 60.3 HP (45.0 kW) depending on the frame size and configuration.
Output Torque: Consistently provided in in•lbs and N•m, with values ranging from 8850 in•lbs (1000 N•m) to 37700 in•lbs (4260 N•m).
Hollow Shaft OHL: Specified as 1810 lbs (8060 N) for smaller frames and 4810 lbs (21400 N) for larger frames.

Frame Size and Mounting Positions

Frame sizes include 5A120, 5A125, 5A140, 5A145, 5B120, 5B125, 5B140, 5B145, 5B160, 5B165, 5C140, 5C145, 5C160, 5C165, 5C170, and 5C175.
Mounting positions are denoted as Y1, Y2, Y3, Y5, and Y6.

Performance Characteristics

Output RPM varies with nominal ratios, ranging from 159 RPM to 5.74 RPM.
Nominal ratios range from 11 to 305, affecting the output speed and torque.

Key Observations

Higher frame sizes and nominal ratios generally result in higher output torque and lower RPM.
Consistent hollow shaft OHL values indicate robust design across different configurations.

Procedures and Recommendations

Selection of speed reducers should consider the specific mounting positions (Y1, Y2, Y3, Y5, Y6) and the required output RPM, which ranges from 3.82 to 1165 RPM.
Dimensions for installation and mounting are detailed on pages 2.96–2.104, which should be referred to for precise fitting and compatibility.

Key Data Insights

The document emphasizes the importance of matching the input power and output torque to the application's requirements to ensure optimal performance and longevity of the speed reducers.
Consistent OHL ratings suggest a robust design capable of handling significant loads across various applications.

Specifications

Input Power: Ranges from 0.484 HP (0.361 kW) to 24.7 HP (18.4 kW) across different models and configurations.
Output Torque: Varies from 3670 in•lbs (415 N•m) to 22700 in•lbs (2570 N•m), depending on the frame size and configuration.
Hollow Shaft OHL: Consistently rated at 1435 lbs (6390 N) for most configurations, with some variations up to 2965 lbs (13200 N).

Procedures

Certified prints are available upon order receipt, and dimensions are subject to change unless certified. For units ordered in the Y2 mounting configuration, external lubricant piping dimensions are provided on a specific page.

Dimensions
Detailed tables provide dimensions for various models, including measurements for motor frames, high-speed shafts, and C-Face adapters. Dimensions are given in both inches and millimeters, with specific tolerances and keyway sizes.

Recommendations
The document advises consulting the factory for certified prints and notes that dimensions are for reference only and may change without notice.

Key Data from Tables
The tables include model numbers, dimensions for various components (e.g., bore, keyway, motor frame), and weight in pounds and kilograms. They also specify the NEMA C-Face adapter dimensions and configurations for different frame sizes.

Catalog excerpts

Cyclo BBB5 - Section 2 (Speed Reducer)-2

2 Speed Reducers How to Select Speed Reducers Cyclo® BBB5 Speed Reducers 2.1

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Cyclo BBB5 - Section 2 (Speed Reducer)-3

Speed Reducers How to select a Speed Reducer Step 1: Collect data about the application Before starting you need to know the: • Application (e.g. Conveyor, Hoist, etc.) • Hours of Operation per day • Motor Power (HP or kW) and Speed (RPM) • Desired Output Speed • Mounting Position and Style • Overhung or Thrust Loads • Bore Dimensions, inch or metric Step 2: Speed Reducers Choose a Mounting Position Find the correct Mounting Position from the Mounting Positions shown on page 2.5. Select a Frame Size 3A: Find the Load Classification for the application in the AGMA Load Classification Table on...

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Cyclo BBB5 - Section 2 (Speed Reducer)-4

Speed Reducers Recommended Reducer Service Factors Uniform (U) Moderate Shock (M) Heavy Shock (H) Note: [1] Maximum momentary or starting load must not exceed 200% of gear reducer rating (rating meaning service factor of 1.0). Time specified for occasional and intermittent service refers to total operating time per day. Recommended Supplemental Service Factors for Frequent Start-Stop Applications For frequent start-stop applications, use the table below to determine the recommended service factor, and check the Motor Thermal Rating (Table 5.31) in Section 5. Number of starts ~ 10 hours/day (Times/hour)...

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Cyclo BBB5 - Section 2 (Speed Reducer)-5

Speed Reducers Configure a Model Number Output Shaft Orientation When ordering, the following information should be included: Type Horizontal H Vertical • NEMA frame size for C-face adapter, or IEC frame size for IEC motor adapter Prefix V • Motor Specification if supplied and/or mounted by Sumitomo (230/460 VAC 60 Hz is supplied in the United States unless otherwise specified) • Bore size must be supplied Mounting Style Type Shaft Mount (Hollow Shaft) Y Flange (Hollow Shaft) F Housing Mount (Hollow Shaft) Optional conduit box positions must be specified, otherwise Y1 is supplied. Prefix U Frame...

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Cyclo BBB5 - Section 2 (Speed Reducer)-8

Speed Reducers This page intentionally left blank. Selection Tables Speed Reducers Cyclo® BBB5 Speed Reducers 2.7

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Cyclo BBB5 - Section 2 (Speed Reducer)-106

Speed Reducers This page intentionally left blank. Sumitomo DriveTechnologies Cydo® BBBS Dimensions shown are for reference only and are subject to change without notice, unless certified. Speed Reducers 2.105 Certified prints are available after receipt of an order; consult factory.

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Cyclo BBB5 - Section 2 (Speed Reducer)-112

Speed Reducers This page intentionally left blank. Sumitomo DriveTechnologies Cydo® BBBS

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Cyclo BBB5 - Section 2 (Speed Reducer)-113

Speed Reducers This page intentionally left blank. Dimensions Speed Reducers 2.112 Speed Reducers Cyclo® BBB5

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