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Product Data

KSCdirect Part #: LOV 68514442581
Description: MLA-40-5/8-PULLEY;
MFG Part #: 68514442581
UPC: 685144425812
Supplier: LOVEJOY INC
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Details


Fixed Center Drives
1/3 Through 5 HP, A and B Belts
    The Econoline fixed center drive uses a driver pulley that is manually adjustable. (Refer to the description of Econoline fixed center drives on page VSD-14). There are two types of controllable pulleys: the M type with a hand wheel and built-in adjusting device, and the MLA type that uses an external control. The MLA type pulley can be used with the Lovejoy Model 76 Control Stand or some other type of linear controller. CJ CJ
    Spring-loaded pulleys are through-bored for all types of shaft mounting arrangements. The exposed spring design allows for a cooler running pulley and permits easy cleaning. Complete spring enclosures are available as an option on some models.
Belt Selection
    Econoline pulleys are designed specifically for A and B section drive belts, though they can also be used with 4L and 5L belts if necessary. Cogged, raw-edge belts have a definite advantage over wrapped types because they readily form around small pitch diameters, and provide a better arc of contact and provide best possible transmission of torque. If a slip clutching effect is desirable to protect machinery in the event of overload, a wrapped belt is recommended.
Adjustable Center Drives
    An adjustable center drive using the Econoline variable speed driver pulley is an economical, efficient solution for many drive requirements. The typical adjustable center drive consists of a spring-loaded pulley mounted on the motor shaft, a companion sheave on the driven shaft, an adjustable motor base, and a belt. A wide range of sizes and horsepower ratings are available from the Econoline series to fit the system requirements.
    Standard A and B companion sheaves are recommended for use with Econoline adjustable center drives. Since many Econoline pulleys have only one moveable flange and the companion sheaves are grooved, some misalignment of the belt can be expected and is acceptable for most drives. To minimize this misalignment, the belt should be aligned with the driven sheave when the belt is in the median pitch diameter range of the variable speed pulley, or in the range of principle operation. Due to the minimal bottom contact area of A and B belts, flat driven sheaves are NOT recommended.
Fixed Center Drives
    Econoline fixed center drives utilize the same type of spring-loaded pulley as an adjustable center drive, only it is normally mounted on the driven shaft. The driver pulley is of similar size and construction, but it is manually adjustable. A fixed center drive offers greater driven speed range in a more compact space. There are two types of controllable pulleys: the M type with a hand wheel and built-in adjusting device, and the MLA type that uses an external control. The MLA type pulley can be used with the Lovejoy #76 Control Stand (see page VSD-21) or some other type of linear controller.
    A fixed center drive consists of four component parts: the adjustable driver pulley, the spring-loaded driven pulley, the belt, and a Model 501 Torque Arm Bracket. This bracket prevents the hand wheel from spinning so speed can be changed while the drive is running (see drawing on page VSD-21). The 501 Torque Arm Bracket is NOT needed with the MLA type pulley. A wide variety of drive packages are available from the Econoline Series to suit your needs. Different diameter pulleys can be paired together to achieve a variety of driven speed ranges, and all sizes of driven spring- loaded pulleys are available in a variety of horsepower ratings.



Specifications

Description

MLA-40 5/8 PULLEY W/KW

Model

MLA-40

Belt Type

A

Drive Type

Fixed Center - Driver

Weight

2.50 lb

UPC Number

42581


Dimensional Data

Bore Diameter

5/8 in

Keyway Size

3/16 x 3/32 in

Outside Diameter

4.000 in

Max. Pitch Diameter (Dimension PD)

3.750 in

Min. Pitch Diameter (Dimension PD)

1.620 in

Overall Length

3.560 in

Cubic inches

56.96000 in


Performance Data

HP Range

0.5 to 1.5 hp


Notes
  • Horsepower and torque rating of each of these pulleys is dependent upon the driven spring-loaded pulley with which it is matched.

Attributes/Specifications

Manufacturer LOVEJOY INC

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