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Sheaves

Product catalog summary

Index Overview: The document is organized into sections covering various belt drive types and their specifications, including nomenclature, stock options, groove dimensions, and installation instructions.

Sheave Nomenclature: This section explains the naming conventions for sheaves, detailing the number of grooves, belt cross-section, and required bushing types.

Stock QD Hi-Cap® Wedge: Divided into subsections for 3V, 5V, and 8V, this section provides specifications and dimensions for each wedge sheave type.

Stock QD Conventional: Covers A-B combination grooves, C, and D sections, offering detailed specifications for conventional sheaves.

Stock Taper Bushed Hi-Cap® Wedge and Conventional: Provides specifications for taper bushed sheaves, categorized into 3V, 5V, and 8V sections, as well as A-B combination grooves, C, and D sections.

Groove Dimensions/Tolerances: Outlines specific dimensions and tolerances for grooves to ensure compatibility and performance standards.

Data Sheet and Made-to-Order Sheaves: Includes a data sheet for quick reference and details on custom-made sheaves for specific applications.

FHP Sheaves: Discusses fractional horsepower sheaves, including AK/2AK and BK/2BK bored-to-size options, and MST® bushing specifications and installation instructions.

Variable Pitch Sheaves: Provides details on variable pitch sheaves, including installation instructions for proper setup and operation.

Specifications:

QD Sheaves: Lists multiple QD Sheaves with varying outer diameters and pitch diameters, specifying type, dimensions, and weight.
V-Belt Drives: Includes specifications for V-Belt Drives with different groove numbers, providing part number, belt type, maximum and minimum diameters, and weight.

Procedures and Recommendations:

Installation: Ensure compatibility by matching dimensions and types as specified. Follow manufacturer guidelines for installation.
Maintenance: Regular inspection of sheaves and belts is recommended to prevent wear and tear.

Key Data from Tables:

Tables provide a comprehensive list of sheaves and drives, detailing dimensions and weights, crucial for selecting appropriate components.
Weights exclude bushings; additional bushing dimensions are available on page B-7.

Conclusion: This document serves as a technical reference for engineers and technicians involved in the design and maintenance of mechanical systems utilizing QD Sheaves and V-Belt Drives. Accurate adherence to the specifications is essential for system efficiency and longevity.

Keyway Dimensions: Provides keyway dimensions for various shaft diameters, specifying width and depth to ensure proper fit and function.

Bushing Specifications: Details on MST® bushings, covering both inch and millimeter bores, including cap screw size, wrench torque, and material types.

Variable Pitch Sheaves: Outlines dimensions and adjustment capabilities, including mounting and adjusting instructions.

Critical Information: Emphasizes the importance of selecting the correct sheave type and size for specific applications to ensure optimal performance and longevity.

Catalog excerpts

Index SECTION D BELT DRIVES PAGE V-BELT DRIVES

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Belt Drives Martin V-belt sheaves meet the toughest demands of industry, while continuing the Martin tradition of providing the utmost in service and maintaining unsurpassed manufacturing standards. Totally committed to meeting the individual needs of customers, Martin Sprocket & Gear now serves the V-belt industry with extensive stock inventories, the capacity to meet large quantity requirements and the versatility to respond quickly to made-to-order applications. V-BELT DRIVES NOMENCLATURE QD HI-CAP® WEDGE (Also Referred To As “Narrow”) (Also Referred To As “Classical”) — Number of Grooves...

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Hi-Cap Wedge Stock QD Sheaves V-BELT DRIVES Dimensions for Martin sheaves are listed in the following tables with QD bushings in place. The type of sheave shown below is indicated by a letter, and the consturction is indicated by a number, as shown on facing page. Dimensions in inches, weight in pounds Part Number Part Number

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Hi-Cap Wedge Stock QD Sheaves ⁄8 × 5⁄16 3V V-BELT DRIVES 1 = SOLID Let Martin quote your made to order and large quantity requirements. Dimensions in inches, weight in pounds Part Number Part Number

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Hi-Cap Wedge Stock QD Sheaves V-BELT DRIVES Dimensions in inches, weight in pounds Part Number Part Number Dimensions in inches, weight in pounds Part Number Part Number & E and M dimensions are nominal and will vary depending on shaft tolerances. Type E sheaves are drilled for reverse mounting only.

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Hi-Cap Wedge Stock QD Sheaves V-BELT DRIVES Dimensions in inches, weight in pounds Part Number Weights do not include bushings. See page B-7 for additional bushing dimensions. Part Number

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Hi-Cap Wedge Stock QD Sheaves V-BELT DRIVES Dimensions in inches, weight in pounds Part Number Part Number & E and M dimensions are nominal and will vary depending on shaft tolerances. Type E sheaves are drilled for reverse mounting only.

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Hi-Cap Wedge Stock QD Sheaves Dimensions in inches, weight in pounds V-BELT DRIVES 6 Groove Part Number Part Number & E and M dimensions are nominal and will vary depending on shaft tolerances. Dimensions in inches, weight in pounds 8 Groove Part Number Part Number

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Hi-Cap Wedge Stock QD Sheaves V-BELT DRIVES Dimensions in inches, weight in pounds 10 Groove F = 73⁄16 Part Number & E and M dimensions are nominal and will vary depending on shaft tolerances.

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Hi-Cap Wedge Stock QD Sheaves Dimensions in inches, weight in pounds Part Number V-BELT DRIVES Part Number Dimensions in inches, weight in pounds Part Number Part Number E and M dimensions are nominal and will vary depending on shaft tolerances. See page B-7 for additional bushing dimensions.

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Combination Groove Conventional Stock QD Sheaves V-BELT DRIVES Combination Groove Dimensions Belt Section Drawing shows position of “A” and “B” belts in groove when used with QD sheaves. Dimensions in inches, weight in pounds Part Number & Weights do not include bushings. See page B-7 for additional bushing dimensions. Part Number

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Combination Groove Conventional Stock QD Sheaves V-BELT DRIVES Dimensions in inches, weight in pounds Part Number Part Number & E and M dimensions are nominal and will vary depending on shaft tolerances. Type E sheaves are drilled for reverse mounting only.

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Combination Groove Conventional Stock QD Sheaves V-BELT DRIVES Dimensions in inches, weight in pounds Part Number Weights do not include bushings. See page B-7 for additional bushing dimensions. Part Number

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Combination Groove Conventional Stock QD Sheaves V-BELT DRIVES Dimensions in inches, weight in pounds Part Number Part Number E and M dimensions are nominal and will vary depending on shaft tolerances. Type E sheaves are drilled for reverse mounting only.

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Conventional Stock QD Sheaves Dimensions in inches, weight in pounds Part Number V-BELT DRIVES Part Number Dimensions in inches, weight in pounds Part Number Weights do not include bushings. See page B-7 for additional bushing dimensions. Part Number

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Conventional Stock QD Sheaves V-BELT DRIVES Dimensions in inches, weight in pounds Part Number Part Number & E and M dimensions are nominal and will vary depending on shaft tolerances. Type E sheaves are drilled for reverse mounting only.

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Conventional Stock QD Sheaves Dimensions in inches, weight in pounds Part Number Part Number Dimensions in inches, weight in pounds 12 Groove F = 12 3⁄8 W Part Number V-BELT DRIVES Combination Groove Dimensions Belt Section

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Conventional Stock QD Sheaves Dimensions in inches, weight in pounds Part Number Part Number Groove Dimensions Belt Section Dimensions in inches, weight in pounds 5 Groove F = 71⁄2 Part Number Weights do not include bushings. See page B-7 for additional bushing dimensions. V-BELT DRIVES

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Conventional Stock QD Sheaves V-BELT DRIVES Part Number Part Number Part Number Part Number & E and M dimensions are nominal and will vary depending on shaft tolerances. See page B-7 for additional bushing dimensions.

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Hi-Cap Wedge Stock Taper Bushed Sheaves Dimensions in inches, weight in pounds Part Number Part Number

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Hi-Cap Wedge Stock Taper Bushed Sheaves V-BELT DRIVES Dimensions in inches, weight in pounds Diameter Part Number Weights do not include bushings. See page B-7 for additional bushing dimensions. Part Number

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Hi-Cap Wedge Stock Taper Bushed Sheaves Dimensions in inches, weight in pounds Diameter Part Number Part Number Diameter Part Number Part Number

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Hi-Cap Wedge Stock Taper Bushed Sheaves V-BELT DRIVES Dimensions in inches, weight in pounds Diameter Part Number Weights do not include bushings. See page B-10-B-12 for additional bushing dimensions. * 5VX Belts only on these sizes. Part Number

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