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PIX Transmissions Limited
PIX-PowerWare-Pulleys and Couplings

PIX-PowerWare-Pulleys and Couplings

Product catalog summary

Introduction
PIX-PowerWare® provides a range of pulleys and couplings designed to enhance power transmission systems. These products adhere to international standards, ensuring compatibility with PIX V-Belts.

Pulleys Overview
Pulleys, also known as sheaves or drums, are crucial in mechanical power transmission, accommodating ropes, cables, belts, or chains to transmit power, torque, and speed. The mechanical advantage is determined by the diameter ratio of the pulleys.

Pulley Codification
Pulleys are coded based on section, pitch circle diameter (PCD), number of grooves, suitable bush number, and type (TLP or SIP). Examples include SPA 125 02 1610 TLP for Taper Lock Pulleys.

Advantages of Taper Bush

Easy installation and removal.
Standard key-ways eliminate re-boring.
Available in metric and imperial sizes.
Made from gray cast iron, conforming to IS 3142 & ISO 4183 standards.
Precise surface finish prevents belt slippage.
Wide range including V-Groove, Poly-V, and Timing Pulleys.

Minimum Recommended Pulley Diameters
A table provides minimum recommended pulley diameters for various sections to ensure optimal performance.

Standard V-Belt Pulley Groove Details
Specifications include groove angles, pitch width, and minimum groove depth for proper alignment and performance.

Product Range
The catalogue includes V-Belt Pulleys, Poly-V Pulleys, and Timing Pulleys with various sections and groove numbers.

Installation and Maintenance
Guidelines for pulley balancing, alignment inspection, and installation procedures are provided.

Conclusion
PIX-PowerWare® Pulleys and Couplings offer reliable solutions for power transmission, backed by rigorous standards and a comprehensive product range.

Design Power Calculation
The design power is calculated by multiplying the normal running power by the service factor from Table-1. This is used to select the appropriate coupling size.

Coupling Size Selection
Using Table-2, find the power rating at the required speed that exceeds the design power. The coupling size is indicated at the top of the column.

Bore Size Selection
From Table-4, select the coupling size with the appropriate bore dimensions.

Drive Design Example
For a 40kW motor at 1400 RPM with a service factor of 1.90, the design power is 76kW. The coupling size PTC-110 is selected.

Installation Procedure

Clean all components, especially the bore of the flanges.
Fit flanges to shafts with external clamp rings, ensuring dimension 'M2' is achieved.
Align shafts and check alignment using a straight edge and gap measurements.
Fit the tyre over the coupling flanges, ensuring proper seating.

Key Tables

Table-1: Service factors for calculating design power.
Table-2: Power ratings for selecting coupling size based on speed.
Table-4: Bore dimensions for selecting coupling size.

Specifications
Natural rubber compounds suitable for temperatures from -15°C to +70°C are discussed, with tables listing coupling sizes, dimensions, and clamping screw torque values.

Procedures
Installation involves cleaning metal parts, applying grease, and aligning hubs and sleeves. Instructions for tightening clamping ring screws and aligning couplings are provided.

Standards and Recommendations
PIX Gear couplings are designed for high mechanical flexibility and torsional rigidity. Proper alignment and lubrication are emphasized for optimal performance.

Key Features

Easy installation and maintenance.
Corrosion-resistant design.
High mechanical flexibility due to curved tooth profiles.
Designed to accommodate misalignment and absorb shock loads.

Drive Design
The process for selecting the appropriate coupling size based on service factors and design power is outlined.

Applications
PIX Gear couplings are suitable for various industries, including dredgers, cranes, and paper machinery.

Data Summary
Tables provide detailed information on coupling sizes, power ratings, torque values, and dimensions.

Jaw Coupling Power Ratings
A table provides power ratings for various jaw coupling sizes at 100 RPM. For example, the PJC-075 can transmit 0.12 kW.

Drive Design Example
An example for selecting a jaw coupling to transmit 5 kW from an electric motor at 500 RPM is provided. The PJC-150 jaw coupling is recommended.

Installation of Standard Star/Jaw Couplings
The installation process emphasizes proper alignment and maintenance, with steps including cleaning shafts and ensuring correct centering.

PIX-HRC Couplings
HRC couplings are flexible, general-purpose couplings that accommodate misalignment and absorb shock loads. They are maintenance-free and suitable for various environments.

Service Factors and Design Power
The document outlines how to determine the service factor and design power for selecting the appropriate coupling size.

Installation and Maintenance Recommendations
Recommendations include ensuring correct mating of coupling halves and using a torque wrench for proper screw tension.

Overview of PIX-Pin Bush Couplings
PIX-Pin Bush Couplings are designed for power transmission applications with limited misalignment. They are known for high torque capacity and shock absorption.

Key Features

Simple and compact construction.
Specially designed bushes prevent shocks and torsional vibration.
Easy servicing with simple inspection and replacement of pins and bushes.
Silent and vibration-free operation.
No lubrication required.

Drive Design Example
To select the appropriate coupling size, determine the service factor, calculate the design power, and refer to Table-3 for the power rating.

Installation and Maintenance

Ensure all components are cleaned thoroughly before installation.
Proper alignment of shafts with hubs is crucial.
Regularly check rubber bushes for wear and replace if necessary.

PIX-Resilient/Grid Couplings (Z-TYPE)
These couplings combine high power rating with flexibility, absorbing shocks and dampening vibrations.

Key Features

Highly shock absorbent with heat-treated spring grids.
Grids act as a fuse in case of excess load.
Provides protection against shock loads with torsional flexibility.

Drive Design
Determine the service factor, calculate design power, and select the coupling size based on power ratings from Table-2.

Specifications
Detailed specifications for PIX-Resilient/Grid Couplings, including coupling sizes, power ratings, safe speeds, and dimensions, are provided.

Procedures
A drive design example is provided for selecting a coupling for a 75HP, 1750RPM electric motor driving a blower.

Norms and Recommendations
The document emphasizes using non-flammable solvents for cleaning and checking for burrs.

Key Data from Tables
Table-2 provides power ratings for different coupling sizes, and Table-3 outlines the product range and dimensions.

Applications
The couplings are suitable for various applications, including agitators, alternators, ball mills, and more.

Catalog excerpts

PowerWare® Pulleys & Couplings

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Index Particulars Dual-Duty Taper Pulleys & Bush About Pulleys Pulley codification Features & benefits Advantages of Taper Bush Pulley schematic representation Minimum recommended Pulley diameters Standard V-Belt Pulley groove details Product range V-Belt Pulleys ‘Z / ZX & SPZ / XPZ’ section Pulleys ‘A / AX & SPA / XPA’ section Pulleys ‘B / BX & SPB / XPB’ section Pulleys ‘C / CX & SPC / XPC’ section Pulleys V-belt Pulleys with SIP* Bore ‘3V’ section Pulleys ‘5V’ section Pulleys ‘8V’ section Pulleys Poly-V Pulleys Standard Poly-V Pulley groove dimensions ‘PJ’ section: 8 groove Pulleys ‘PJ’ section:...

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Index Particulars Taper Bush dimensions Metric bores, keyway, keys & screws Pulley Balancing Pulley Alignment Inspection Installation procedure for Taper Pulleys Types of Pulleys PIX-PowerWare® Couplings PIX-Tyre & Tyre-spacer Couplings PIX-Gear Couplings PIX-Star / Jaw Couplings PIX-Standard Star / Jaw couplings PIX-HRC Couplings PIX-Pin Bush Couplings PIX-Resilient / Grid Couplings (Z-Type) Notes

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PIX-PowerWare® (Dual-duty Taper Pulleys & Bush) PIX has always been the innovators and pioneers in the mechanical power transmission and the related products. Innovations, up-gradation and providing value added products has always been the passion with PIX. To fulfill its commitment of providing a complete “Power Transmission Solution” to its users, the company has also added PIX-PowerWare® Pulleys and PIX-PowerWare® Couplings to its range of VBelts. The introduction of PowerWare® products in the range would facilitate the users to achieve optimum power transmission from drives consisting of...

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PIX-PowerWare® Pulleys Features & benefits ? Manufactured from gray cast iron ? & Pulley groove specification conforms to IS 3142 & ISO 4183 standards Pulley ? surface finish ensures proper grip & wedging, eliminating Belt slippage Precise ?time in installation and removal of Pulleys Saves ? Statically balanced in general, dynamic balancing of larger Pulleys is done on request ? Facilitates easy selection of different bore and key-way requirements ? Wide product range in V-Groove Pulleys, Poly-V and Timing Pulleys Advantages of Taper Bush ? installation and removal Ease of ? time and cost in...

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Pulley schematic representation Timing Pulleys Recommended minimum Pulley diameter V-Belt Pulleys Section Z A B C SPZ SPA SPB SPC 3V 5V 8V V-Belt Pulleys Poly-V Pulleys Section PH PJ PK PL PM Timing Pulleys

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Standard V-Belt Pulley groove details Min. groove Centre to Edge of pulley Groove Min. distance Min. Groove depth Pitch from outside below pitch centre of to 1st groove Pitch top width diameter angle groove diameter to centre Section diameter Width Pitch Dia. (See note 2) (See note 3) (dp) mm (? )mm of groove (Note 4) (Wp) mm (g) mm (B) mm (e) mm (f) mm (h) mm Z, SPZ 8.5 9.7 2.00 9.0 12±0.3 8.0±1.0 Up to 80 34±0.5 ZX, XPZ 9.9 Over 80 38±0.5 A, SPA AX, XPA 1. The tolerance on the dimensions apply to the distance between the center of any two grooves whether adjacent or not 2. It is recommended...

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Pulley Type

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Pulley Type • Above ‘Pulley Description’ is for ‘Z’ section Pulleys, replace ‘Z’ with ZX, SPZ or XPZ to arrive at respective Pulley / Product code • Please refer ‘PIX recommended minimum pulley diameter’ charts given on page no. 3 • Unlisted sizes are a

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Pulley Type

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Bush Number

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Pulley Type

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Pulley Type • Above ‘Pulley Description’ is for ‘A’ section Pulleys, replace ‘A’ with AX, SPA or XPA to arrive at respective Pulley / Product code • Please refer ‘PIX recommended minimum pulley diameter’ charts given on page no. 3 • Unlisted sizes are av

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Pulley Type

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Pulley Type

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Pulley Type

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B / BX & SPB / XPB section Pulleys Outer Pitch Number Product Diameter Diameter Bush of (OD) (PD) Code grooves Number (mm) (mm) B 0400 02 2 3020 Maximum Bore Metric (mm) 75 Pulley Pulley Type Type

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Pulley Pulley Type Type • Above ‘Pulley Description’ is for ‘B’ section Pulleys, replace ‘B’ with BX, SPB or XPB to arrive at respective Pulley / Product code • Please refer ‘PIX recommended minimum pulley diameter’ charts given on page no. 3 • Unlisted sizes are avai

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Pulley Type

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Pulley Pulley Type Type

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Outer Pitch Number Product Diameter Diameter Bush of (OD) (PD) Code grooves Number (mm) (mm) C 0450 03 3 3535 Maximum Bore Metric (mm) 90 Pulley Pulley Type Type

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Pulley Pulley Type Type • Above ‘Pulley Description’ is for ‘C’ section Pulleys, replace ‘C’ with CX, SPC or XPC to arrive at respective Pulley / Product code • Please refer ‘PIX recommended minimum pulley diameter’ charts given on page no. 3 • Unlisted sizes are available on request V-Belt Pulleys with SIP* Bore Standard Imperial Pulleys are generally required in case of non standard shaft diameters. Pilot bore Pulleys require back-reaming or enlarging bore diameter to suit to the shaft diameter. PIX-PowerWare®-Standard Imperial Pulleys are available in standard A, B & C sections, Poly-V & Timing...

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• Unlisted sizes are available on request. Pulley Type

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3V & 3VX Section Pulleys Outer Pitch Number Bush Max. Bore Product Diameter Diameter Bush of (OD) (PD) Metric Code Number Imperial grooves (mm) (Inches) (Inches) (Inches) 3V 0500 01 1 1610 1-5/8 42 Pulley Type • Unlisted sizes are available on request.

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Pulley Type

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Pulley Type

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Pulley Type

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5V & 5VX Section Pulleys Outer Pitch Number Bush Max. Bore Product Diameter Diameter Bush of (OD) (PD) Metric Code Number Imperial grooves (mm) (Inches) (Inches) (Inches) 5V 1250 02 2 3020 3 75 Pulley Type

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Pulley Type

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Outer Pitch Number Bush Max. Bore Product Diameter Diameter Bush of (OD) (PD) Metric Code Number Imperial grooves (mm) (Inches) (Inches) (Inches) 8V 1250 04 4 4040 4 100 8V 1250 05 Pulley Type

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