Conveyor pulley design. chronous speed Simply put, conveyor pulleys are responsible for driving the belt. They also form the basis of industrial conveyors big and small. PCI’s complete offering of conveyor pulleys include package and bulk Handling drum and wing styles. +61 03 9769 0473. The conveyor pulleys with XT hubs feature thicker end discs as well as a variety of vulcanized rubber lagging options. Nov 5, 2020 · Belt Conveyor Design. Pulleys play a vital role in conveyor belt systems, as they provide the necessary tension and support for the belt. Pulley shells are commonly lagged to protect the pulley face from wear and provide better traction to the belt. The Allowable Shaft deflection at the pulley hub (locking element) is normally limited to 5 minutes of arc which is 0. Join the GrabCAD Community today to gain access and download! ENGINEERED CLASS DRUM CONVEYOR PULLEY Bulk handling systems are moving to larger conveyors and increased capacities. Please fill out this form and submit. The Conveyor belts are frequently blamed for belt tracking problems and in most cases this is unjustified. The Conveyor Manufacturers Association, CMASA. Feel free to call us at 513-821-7259 or toll free at 1-800-486-2472. MPTA formed a Steel Pulley Engineering Committee in 1958 to develop recommended pulley load ratings. minimal losses. A numerous designs and types of pulleys are proposed, to meet the great variety of uses. May 7, 2024 · This pulley calculator analyzes a system of two pulleys joined by a conveyor belt (also called a belt drive). It’s not too light — which can be a disadvantage of CEMA Duty drum pulleys — but it’s not too heavy either. Invented and first introduced by Superior more than two decades ago, the Chevron Wing Pulley has greatly expanded the service life for thousands of rolls of conveyor belting. on conveyor belt tensions of tight & slack side a nd self-weight. Even on troughed conveyors, flat face and crowned pulleys are generally used. A representative will contact you soon. to its ability to effectively move material with . When one pulley is larger than the other: L = (D + d)/2 x 3. CPS pulleys can be customised with a variety of lagging systems. Conveying Components Handbook. provides a complete and simple analytical system for pulley design and assessment. The layout of this manual and its easy approach to belt design will be readily followed by belt design engineers. Due to this it is quite critical to select correct design of pulley to keep conveying system running and meet daily production rate. Pivotal to conveyor systems, conveyor pulleys streamline the efficient and reliable movement of materials across diverse industries. Send Requirements More Details Sep 4, 2020 · Ideally, the drive is located at the discharge end of the conveyor, so that it is pulling the belt or chain over the pulley. 1416 + 2C + (D – d)^2 / 4C. Pol, S. The design of the pulley affects the overall efficiency and Join 13,600,000 engineers with over 5,980,000 free CAD files. • Supply of bearings, couplings, plumber blocks and fitting thereof. You can relish in endless possibilities when it comes to our products. To meet the duties of the severest working conditions they may be supplied rubber lagged. Tension Pulley. Pulley Design. Idlers: Due to the efforts of the Conveyor Equipment Manufacturers Association, the basic idler elements—idler roll wall thickness, bearing sizes and shaft sizes—have been standardized into classes. Bend Pulley. 3555. When the head and tail pulley are the same size: L = (D + d)/2 x 3. Take-Up Pulley – A conveyor pulley used to remove slack and provide tension to a conveyor belt. A. The latest version brings you even more power and flexibility in your conveyor designs. Locking element. Part of this is the setup and alignment of the pulleys. 20 February 16 April 18 June 20 August (AGM) 15 October. For better traction, the head pulley is usually lagged (with either rubber or ceramic lagging material). Using 3D modelling and Finite Element Analysis (FEA), each pulley is tested virtually prior to manufacture. Maximum pulley life is essential to cost-efficient material handling and high-capacity production. Martin has been the screw conveyor industry leader since 1969 and has utilized this expertise to design a self-cleaning pulley that allows for the easiest material expulsion path during operation. ) is a leading designer and manufacturer of conveyor pulleys/fabricated steel work and a range of structural and specialised project work for bulk materials handling belt conveyor systems and other industrial markets world wide. Welcome to the Conveyor Manufacturers Association website! promoting the excellence of belt conveying in southern Africa since 1973. Dodge also manufactures XT bushings, which are interchangeable with bushings found on competitive conveyor pulley products. Not one design but a full range of designs, as each conveyor is unique. Our engineering geniuses will custom design and make your conveyor pulley to your project and site specifications any size. • Manufacture of conveyor pulleys suitable for all requirements. Purchase – $15. Jan 5, 2024 · The construction and design of a conveyor idler pulley are fundamental to its performance and longevity, especially in harsh industrial environments. Features: • In house Conveyor Pulley and Shaft design. Drum Diameter: 80-1400mm. The pulley controls the belt’s movement and performs critical functions such as driving, redirecting, turning, tensioning and tracking the belt. 5 – d2 – d1) 2π†C Step 6. Robust Idler Frame Construction Oct 26, 2023 · 2. Prime ® Pulleys are the newest addition to Superior’s conveyor pulley portfolio. Wing pulleys feature vanes that resemble the paddle wheel on a steamboat (Figure 6. The failure of any pulley may lead to breakdown of whole conveyor system. Others prefer a straight taper with center flat. E. Law is the operating system of our society. Ontario Branch. We have drum pulleys, wing pulleys, lagging, spiral wings, take-ups, shafting, bearing assemblies and The screw conveyor design has been a popular conveying method for centuries due . Standard PPI shafting is AISI 1045. under steady state conditions. 349. M. , on 27. (HDD) pulley . Sprockets for Food IndustryCut-Resistant Conveyor Belting. Allowable stress levels vary by material. Calculations include conveyor capacity, belt speed, conveyor height and length, mass of idlers and idler spacing, belt tension, load due to belt, inclination angle of the conveyor, coefficient of CEMA No. Lagging prevents belt slippage (in particular when water is present May 5, 2023 · #sajalchakraborty #techtalk #conveyorbelt #beltconveyor #pulley #drum #design Hi, I am Sajal Chakraborty, by profession i am a mechanical engineer and work For two equal diameter pulleys: zm = zp 2 For two unequal diameter pulleys: zm ≈ z 1 (0. The chart above illustrates the distance/length requirement for the level of incline on an inclined conveyor. Mobile: +86-13406817961. Some of the aspects of conveyor drive pulley design not covered in standards and codes have been evaluated in the light of the shaft, type of diaphragm and shell with an integrated approach. A Drive Pulley or Head Pulley is used for the purpose of driving a conveyor belt. You can use this tool right away or continue reading Download Free PDF. May 20, 2014 · The XT conveyor pulleys are available from stock in Heavy Duty, Mine Duty and Mine Duty Extra (MDX) construction, in both drum pulley and wing pulley design. Drum & Wing Pulleys | Luff Industries offers a complete line of conveyor belt parts, components and accessories to keep your conveyor belt systems running at optimal efficiency. The document discusses key considerations for designing conveyor pulleys, including: 1. Lawrence’s initiation-propagation model. It allows the movement of materials or products along a production line. Its surface is covered with chevrons or diamonds to create enough friction between the belt and pulley to move the conveyor belt. Take-Up pulleys are more common to conveyors of longer lengths. In addition to a lower profile, the “L” and “S” configurations of the steep incline conveyor allow it to replace multiple pieces of handling equipment; one S-type steep incline conveyor can replace two belt conveyors and a bucket elevator, significantly reducing the overall Nov 3, 2023 · the coupling torque M Kup to the cut-off point 1 of the graph line MKand the. Martin manufactures heavy duty conveyor pulleys, including drum pulleys, wing pulleys, turbine pulleys, engineered pulleys, and special construction pulleys. The driving force on the conveyer belt are often located at the pinnacle or exit end of the conveyor belt, the PULLEYS Available in engineered class and turbines. Other design elements that must be considered are pulley diameter, shell, hubs, and locking mechanisms. The Allowable Pulley Shaft Stress is usually taken to be 41 Mpa (6000psi) for axle steels such as EN8 or K1045 and 55 Mpa (8000psi) for high strength Alloy steels such as AISI 4140. ASGCO ® Manufactured Product Catalog. Different component part s of the. In stock and ready to ship. By utilizing CAD drawings, engineers can achieve precise, efficient, and reliable customization, ensuring that the pulleys enhance the overall performance and efficiency of the conveyor system. PROK is a leading manufacturer of pulleys, and our team of This design is perfect for harsh, dirty, and demanding operating conditions where uninterrupted operations are a must. • Rubber and ceramic lagging of conveyor pulleys. The design of pulleys and belts and sprocket and chain systems depends on several factors, such as: The required speed ratio between the shafts 1. The Conveyor Equipment Manufacturers Association (CEMA) recommends that wing pulleys not be used on belts traveling over 225 meters per second (450 ft Our industry-leading design software, coupled with in-house manufacturing capabilities, ensures a quick turnaround on new and refurbished pulleys. We offer extensive stock options and provide made-to-order products that meet your Design Conveyor Pulleys and Shafts. material between the belt and the pulley. A convex crowned pulley usually has an increase of +/- 1/16” per foot of pulley width. Bend Pulley – A conveyor pulley used to redirect the belt and provide belt tension where bends occur in the conveyor system. In some instances, when the conveyor design has been reviewed and approved by a qualified engineer, the drive can be placed at the infeed – thus pushing versus pulling the belt or chain over the drive pulley. There is also a substantial dimensional commonality as well. Jan 19, 2021 · Cleaning up around the conveyor is the source of about a third of all conveyor accidents. There are several different conveyors. 352, SCREW CONVEYOR SAFETY OPERATION / MAINTENANCE MANUAL. All pulleys are comprised of these components which include: End discs. Conveyor head pulleys can be flat faced or crowned and many have lagging to reduce belt slippage. Thank you for filling out our Pulley Quote Request form. . DYNA Engineering's DYNA-TRAC® conveyor pulleys are designed and manufactured to the highest engineering standards to ensure long, reliable, fatigue-resistant service life. A transfer conveyor belt usually runs at a slow, but constant speed. To view two example pdf report files click Report Basic. TruPace™ Pulley Pulleys + Belt Drives. in Page 28. Many of the conveyor system designs consist of a rotor where this supplied power to the belt and drive pulley. They can be single or double sided and have one or two drives. Calculate Shaft Hub and Bearing Size Required. Applying the right lagging material is crucial to the performance of the pulley, life of your conveyor belting and the reliability of your system. PRO DUTY DRUM PULLEYS The Pro Duty® drum pulley represents a revolutionary change in the conveyor pulley industry. 5833. pdf . The differences between them are mainly reflected in their position, function, structural design, and rotational Conveyor Pulley Design and Manufacturing. Most belt conveyors use AC motors to power the pulleys that move the belts. The company has the capability to do design checks on all types of pulleys based on the conveyor requirements, and these designs can also be verified by means of a Finite Element Analysis. Includes Shaft Mounted Drive overhung load calculations. The GrabCAD Library offers millions of free CAD designs, CAD files, and 3D models. So show me the Bend pulleys have the same design as return pulleys with a smaller diameter. 1. Feb 16, 2023 · The drive pulley is what moves a conveyor belt. Made of very strong steel that machines to a smooth finish. This formula might be slightly adjusted depending on the specific design of the conveyor. The clamping straps: Clamping straps are used on various machines to hold down fixtures and work components. The head pulley consists of a central shaft, a bearing and a drum. 2). That’s because its unique V-shape sheds fugitive materials more effectively, minimizing the risk of rocks and other unwanted items Paying attention to quality commitment, American Pulley manufactures all products to exceed Conveyor Equipment Manufactures Association Standards for Bulk Material Handling. ijltemas. PPI conveyor pulley shafting are a vital part of the total pulley assembly. This manual contains instructions for the safe installation, operation, and maintenance of screw conveyors. A well-designed conveyor idler pulley not only supports and guides the conveyor belt but also withstands operational stresses, ensuring the entire system runs smoothly. MIPR Corp has over 30 years of conveyor pulley experience. Get a FREE quote. Conveyor Pulleys. The failure cause is usually to be found in the installation itself and may be the result of poorly adjusted pulleys and rollers, incorrect application of belt tracking measures or faulty design. Therefore, an 18” face width pulley (4 Mar 15, 2024 · To calculate the belt length, the typical formula is: Belt Length = ( (Diameter of Drive Pulley x π) + (Diameter of Tail Pulley x π) / 2) + (2 x Center-to-Center distance between pulleys) + (2 x Belt Sag). Pulleys Available: • Head Pulleys. For example, in mechanically timed systems, this pulley design continuously monitors belt tension to maximize system performance and extend belt life. Shaft design is the most important element and depends on bending, torsion, and deflection factors. Bearing assembly. Between the pulley’s crossbars are inclined, valley-shaped recesses that prevent Welded steel conveyor pulleys have been in common use since the 1930™s. They combine the best of modern engineering practices with redefined manufacturing techniques. In order to be able to endure the forces placed on the pulley, tension pulleys are solid pulleys. Frankly, Mine Duty model drums can Dec 20, 2015 · www. Introduction to Conveyor Pulley. The tail pulley serves as a support and tension for the conveyor belt, assisting the material to smoothly leave the conveyor belt. Belt Length. Belting: Again, the rubber manufacturers have standardized The document discusses the design of belt conveyor pulleys and reasons for common failures. Prasad C. The three most prevalent types are overhead, belt, and roller, with overhead being the two-fold form. 888. Events' Calendar. You can use it to calculate the pulley RPM (revolutions per minute), but also its diameter and some properties of the whole system (such as the pulley speed, belt tension, or torque). The pre-tension prevents jumping of the Jun 24, 2013 · Two pulley styles are available: D-LAG heavy-duty drum pulleys from 10 to 24-inch diameter, and D-LAG MDX (mine duty extra) drum pulleys from 12 to 24-inch diameter. Engineered Pulley design. The goal is to provide a practical design standard to determine limitations and avoid failures seen with different pulley constructions in recent years. PPI has the tools to look at every option and choose the right one for your application. 30 September - 7 October. How many drive pulleys a conveyor system has depends on how big the system is. This unique design is frequently used when additional cleaning action is desired without introducing additional belt vibration . Modern weld fatigue life methods have been incorporated into Dr. This program calculates normal, running and start-up stresses. If the conveyor was undersized or tends to wander back and forth, spillage in excess of 300 mm deep can accumulate in just minutes. Conveyor Geometry. P. group. A bend pulley You can find belt drive in a variety of places on a conveyor, depending on the design. (Mechanical Design Engineer), Savitribai Phule Pune University, Pune, India, 2 Assistant Aug 22, 2023 · The TruTension™ pulley has applications in all industries and is compatible with any conveyor as long as both sides of the pulley are supported. Shell. INTRODUCTION The current chaotic situation with regard to conveyor belt pulley construction continues. Failure of very high tension pulleys are observed in case of end disc thickness design and its welding at hub is not Call 1-888-349-5833. Jul 25, 2023 · The head pulley provides power to drive the conveyor belt, enabling smooth feeding of materials. PPI has the experience, know how, and equipment to custom design and fabricate pulleys for each pulley location and What is the Conveyor Pulley Design. Key factors like Helix delta-T has been used as the design tool and proven in many thousands of real conveyor installations in more than 25 countries around the world since 1991. Pulley diameter depends on belt class and shaft diameter. com. Note: Please feel free to give your inquiry in the form below. Rotation of the pulley automatically starts the cleaning action by discharging foreign material to the side of the conveyor . The Vortex® is a pulley that is made to It is counterproductive to design a transfer point that emphasizes belt stability to minimize fugitive material and then install a winged tail pulley that introduces instability into the system. Features our Trapezoidal Crown technology to maximize belt life and improve conveyor performance. Mar. The Vortex® abrasion-resistant center and edge supports increase pulley life by as much as 50%. Extensive inventories stocked nationwide. • Tail Pulleys. Nov 5, 2015 · The conventional conveyor drive pulley design is based. drive Conveyor pulleys are heart of the conveyor and plays vital role in reliability and performance of conveying system. The CMA is a non-profit Mar 4, 2024 · Conveyor pulleys change the direction of the belt and transmit the force from the motor to the belt. 00145 radians. 3 Designed using gauge wall tubing or heavy wall pipe. C. Using the latest technology, every conveyor pulley is subject to intense testing and inspection to confirm and guarantee the quality of our products are of the highest standard. They are normally mounted in external type bearings and driven by a motor and reducer. The tail pulley is located at the loading end of the belt. Avoid coming up short or having a belt that extends beyond use by using calculations based on the conveyor’s pulleys. This design allows material that would otherwise become trapped between a solid pulley and the belt to pass through the pul-ley face. Jun 2, 2021 · As the belt surrounds the pulleys, it forms a closed ring so that the pulleys will be continually rotated in the loop. Made-to-order pulleys Drum pulleys, wing pulleys, Clean Flight® wing pulleys and engineered class pulleys. Vibratory Conveyor Design A vibratory conveyor system moves materials from one location to another using vibration to facilitate the movement. Shown in fig. Redesigning & Optimization of Conveyor Pulley. Correct setup and alignment of pulleys will prevent any misalignment. It is an important part of the conveyor together with the take-up pulley, the tail pulley, the snub pulley, and the bend pulley. Get a Quote for This Product. Choosing the right conveyor belt pulley can get tricky, which is where Heinrich Brothers Inc. pulley shell dia selection and shaft design are very easy and most of the conveyor designers design the same . Should problems arise, the services of FENNER DUNLOP are always available to help with any problems in the design, application or operation of conveyor belts. pdf, or Report Detailed. View PDF. – Conveyor chain: This is a bush chain that connects a series of rollers or plates on a conveyor belt. Belts and pulleys lift loads, use mechanical advantage to apply forces, and transmit power. • Repairs to all makes of conveyor pulleys. Email: palet@conveyorsolution. Choose from our selection of conveyor pulleys, including steel pulleys, rubber-coated pulleys, and more. Normally, PPI uses T&P for shafting up through 5-15/16”. We are ready to help you with your pulley needs – whether standard or custom. 4 days ago · The design and customization of conveyor belt pulley sizes are critical for meeting the specific needs of various industrial applications. Determine Pre-tension The pre-tension Ti, defined as the belt tension in an idle drive, is illustrated as the distance between the belt and the dashed line in Figs. load graph line M L. Bosworth manufactures a wide variety of conveyor pulleys, including Turbine, T-Bottom and Static shaft versions. View our Videos page for more videos on how to use the program. Quality is guaranteed to meet the requirements of ISO 9001 . Calgary (Head Office) 403. can offer expert assistance. The design and analysis of these components is mathmatically complex and can not be done by Oct 10, 2023 · A conveyor pulley is more heavy-duty than a roller and is used at either end of a conveyor, or near the drive/motor. Shafting, take-up frames, bushings, lagging and complete The head pulley is located at the discharge point of the conveyor. Choose these sprockets when you need to expand your Ammeraal Beltech MPB conveyor line or replace its worn sprockets. It takes at least two to travel and are categorized as drive or head, return or tail, bend tensioning, snub tensioning or take-up pulleys. Hubs are useful for welding into fan rotors, impellers, and agitators which require secure mounting to the shaft. Shaft. Available in a range of diameters and material thicknesses in either Type 2 or Type 3 hub styles. Drum Lenghth: 200-2000mm. The Original V-Shaped Wing Pulley. One of the more difficult aspects of conveyor design is accurately inputting the conveyor profile. On pulleys with < 24” face width, some engineers prefer a convex crown pulley shape. Martin’s product line meets the demanding requirements of industries such as: sand and gravel quarries, coal mines, unit packaging, food processing SABS 1669 1991 – Conveyor belt pulleys – Pulley types, construction and dimensions When the national standard was published it signalled a new era in pulley design and manufacture in South Africa. It usually drives the belt and often has a larger diameter than other pulleys. It presents an analytical system for sizing pulley components like the shaft, hub, and construction based on stress calculations. The head pulley is located at the discharge point. 7 Fig No:7 PULLEY DESIGN: Design Considerations for Pulleys: The procedure for selecting pulleys for a conveyor for any given application involves the evaluation of a number of factors pertinent to the installation Consideration should be given to the following:a) Application / Environment b) Conveyor design 1. It usually drives the conveyor and often has a larger diameter than other pulleys. A tension pulley is a return pulley used to create tension on the conveyor belt, which increases the amount of force placed on the pulley. We have the technical resources and applications expertise to solve your conveyor challenges. Jun 28, 2022 · A conveyor system will always consist of a head pulley and a tail pulley. Nov 2, 2023 · The pulleys: The conveyor belt should loop over two or more strategically positioned pulleys. Today’s modern fatigue and fracture mechanics methods give pulley engineers the ability to predict the life of a weld joint. Members' Meetings. This publication is a free download for members. 1416 + 2C. Baldor Dodge conveyor line expanded to include XT Hubs and Bushings. Prime Pulleys. We will reply to you with details within 24 hours! The conveyor pulley is the most important part of belt conveyor, which plays a great role for belt transmission, changing conveyor steering, and increasing. PCI’s Stainless steel pulleys are used in numerous locations within a conveyor system such as head positions to drive a belt, or in return/tail, snub, bend and take-up orientations when belt tension and redirection is needed. CEMA-352/2018, rev. Most standards allow the tail pulley and the bottom of the return idlers to be only 300 mm from the floor. The higher carbon content in AISI 1045 results in a very strong steel that machines to a smooth finish. 1, 2, and 3. May 17, 2022 · A chain-driven power transmission system is used to transmit power from the gear head induction motor to the belt pulley. Types of Conveyor Systems. As an example, the IP model has been applied to the pulley hub to disc weld. When applied to a belt conveyor, the conveyor pulley has 3 main purposes: 1) assist the belt once dynamical direction on the conveyor, 2) transmit drive to the belt, and 3) guide or train. Jadhav, 1 M. One of these pulleys is termed a drive pulley which pulls the belt and moves the items between different locations. 00. See for yourself one of our conveyor pulleys and get up close with the components in 3D. In this exclusive Design Guide, the editors of Design World review both V and synchronous belt types — including the fundamentals of their operation. The bearing can be mounted either inside the pulley or on external support. MINE DUTY DRUM PULLEY PPI Mine Duty Drum pulleys incorporate The pulley design is often lighter, as the smaller length of the tensioned conveyor belt causes less tension. Tennessee Branch. The motor remains at point 2 and accelerates the belt conveyor up to syn-. The spiral design aids belt tracking by moving the belt gently to the opposite edges. TEFCO ENGINEERING PTY LIMITED ABN 35 054 554 611 CONVEYOR PULLEY CAPABILITY DESIGN Tefco uses a number of design philosophies for the various elements that make up a modern live shaft pulley, dependent on type of pulley and the loads it operates under. If the conveyor adopts a mid-drive design, the head pulley does not have a driving role. This Committee consisted of pulley and conveyor engineers who studied available information on pulley design, theoretical stress analysis, and data from actual tests. Tefco has in house staff capable of designing conveyor pulleys Pulleys, brakes, and other major equipment lists are generated which can be directly supplied for manufactures for quotations. Choose One of the Many Types of Conveyor Belt Pulleys: Drive Pulley / Head Pulley ENGINEERED CLASS DRUM CONVEYOR PULLEY Bulk handling systems are moving to larger conveyors and increased capacities. Products. 2012, 20 pages (cosmetic update 2018) Available in PDF. At Beltcon 2 a paper was published (1) which contained a method for analysing pulleys as a whole. Locally manufactured, our pulleys are constructed from either pipe or rolled steel shells, and incorporate steel plate end-discs Dodge bushings have unique features and a high-endurance design that extend conveyor pulley life. Contact MIPR Corp today at 1-800-540-1846 to discuss your specific needs for your conveyor Conveyor Pulleys Australia (C. Design Diploma. The high modules, high tension belts require pulleys of much higher capacity and durability than standard units. As an integrated enterprise encompassing scientific research, production, processing, and sales, we provide top-tier pulleys tailored to meet a wide array of industrial requirements. The correct installation of all pulleys in the conveyor system is essential for their functionality. Product Description. Conveyor drum pulleys, wing pulleys and spiral pulleys are the most common Martin heavy-duty conveyor pulleys are manufactured to deliver optimum performance and longevity in the harshest of environments. 2. Brain makes pulley shells and end discs from certified AS3678 Grade 250 mild steel plate. PULLEY DESIGN Our engineering team has a customised pulley design program which can be tailored to any client specified standards. Tail and wing pulleys. Calculate Pulley Shell thickness (uses Sitzwohl and MHEA methods) Calculate Pulley End-Disc thickness (uses Schmoltzi method) Calculates the Shaft deflection (Slope (radians) and Deflection in mm. 2005 - 20:10. +61 03 9769 0777. PCI has developed distinct classes of stainless steel conveyor pulleys that are designed to meet This article will discuss the methodology for the calculations of belt conveyor design parameters with one practical example of the calculations and selection criteria for a belt conveyor system. Pulley design. However shell thickness and end disc thickness design is complex issue. The heavy-duty pulleys are designed with flexible end discs to eliminate weld fatigue under cyclical loads, while Dodge MDX pulleys feature an integral hub design that eliminates Sep 4, 2020 · Ideally, the drive is located at the discharge end of the conveyor, so that it is pulling the belt or chain over the pulley. Conveyor Pulleys | Luff Industries offers a complete line of conveyor belt parts, components and accessories to keep your conveyor belt systems running at optimal efficiency. 279. PPI has the experience, know-how, and equipment to custom design and fabricate pulleys for each pulley location Design and Pulley Types – Conveyor Pulleys Rubberfix Pty Ltd. au ch jm yd aq fy lj oa qj sm