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All Product Types > INDUSTRIAL MOTION PRODUCTS > Couplings & Power Transmission Parts Catalog > Variable Speed Drives > WB Series Variable Speed Drives > Model M-23 Adjustable Driver Pulleys - Imperial > Part Number 68514443160  
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Part Number 68514443160, Model M-23 Adjustable Driver Pulleys - Imperial


Wide Variable Speed Belts

1/3 through 15 HP
      Pulleys in the WB series use wide variable speed belts for the most efficient transmission of torque through the widest possible speed range. These pulleys are two-side moveable for the best possible belt alignment when used with a grooved companion sheave. However, the location of the belt centerline close to the bore end of the pulley reduces the overhung load on motor bearings and seals. Precision-calibrated springs maintain correct pressure, keeping the belt properly tensioned and minimizing belt slip.

      WB pulleys can be used on both adjustable and fixed center drives. They offer maximum service when lubricated through a convenient grease fitting and occasionally run through the speed range.

    Belt Selection

      WB pulleys offer optimum speed ratios because they are used with wide variable speed belts. Pulley flanges are designed to match standard belt angle and width, so each pulley model must be matched to the correct belt to insure full speed range and maximum torque capacity.

    Adjustable Center Drives

      The typical adjustable center drive consists of: the WB pulley mounted on the motor shaft; a grooved companion sheave mounted with a bushing on the driven shaft; an adjustable motor base; and a variable speed belt. A wide range of pulley sizes and horsepower ratings are available from the WB series to fit the system requirements, and Lovejoy offers the correct drive belt, companion sheave, bushing, and motor base to complete the package.

    Fixed Center Drives

      Fixed center, or compound, drives offer greater driven speed ranges in a compact space. A fixed center drive consisting of a WB spring-loaded pulley and an adjustable pulley to match offers the best possible package for “C” mount configurations where zero offset is critical. Zero offset means that the driver and driven units are in line with one another, and the driven pulley is mounted in such a way that the belt rides as close as possible to the driven unit. This reduces overhung load and provides a smoother running drive. Three WB fixed center drive packages are available, from 1/3 through 3 HP.




Unit of Measure: Imperial Metric Both

Specifications  · Dimensional Data  · Performance Data  · Features  · Notes

Specifications

Description 
M-23-1"-PULLEY

Drive Type
Fixed Center - Driver

Belt Size
2322V

Ratio
11.5:1

Weight
20.00 lb

UPC Number
43160


Dimensional Data

Bore Diameter 
1 in

Overall Width
1.810 in

Outside Diameter (Dimension C)
9.500 in

Max. Pitch Diameter (Dimension PD)
9.250 in

Min. Pitch Diameter (Dimension PD)
2.130 in

Overall Length
10.38 in

Cubic inches
936.79500 in³


Performance Data

Motor Power at 1,150 rpm
2 to 3 hp

Motor Power at 1,750 rpm
3 to 5 hp


Features

Features 
  • Sizes range from 6 to 13 inches in diameter
  • Ratings to 15 HP
  • Made of durable cast iron flanges (if greater than 1 HP)
  • Lightweight, corrosion-resistant anodized aluminum flanges on Models 245 and 260
  • Precision balanced for smooth operation


Notes

Notes 
  • 22 turns of hand wheel required for full speed range.


 MORE IMAGES 

·  Dimensional-Drawing - Hi-Ratio Series Pulleys

·  WB Series Typical Fixed Center Drive

·  Belt - Models M-23, 2303, 2305 Adjustable Driver Pulleys

·  HP vs RPM - Models M-23, 2303, 2305 Adjustable Driver Pulleys


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