Conveyor pulleys global conveyor solutions pty ltd. In most widefaced conveyor pulleys, intermediate stiffening discs are welded inside the rim. Why ground mounted drives may not be the best choice. Conveyor pulley, drum and belt pulley heinrich brothers inc. The design of a pulley position measurement system citation for published version apa. This project involved a systematic design study along with an experimental investigation into the effectiveness of cleaning methods. We can provide conveyor pulleys in compliance with jis b88141982 or other international standards. With no pulley the effort force is similar to the load in opposite direction. The unichains product line is divided into two separate groups.
Conveyor drive pulley 3d cad model library grabcad. Head pulley the pulley at the discharge end of a conveyor belt. Designed to take up 2 links of chain, then remove and wrong conveyor design, poor installation or improper use of our. Conveyor belt pulleys are installed on powered belt conveyors to drive the belt, redirect the belt back to the drive pulley, or help maintain the belts tracking so it follows the desired path during conveying. Mar 04, 2017 4 different types of design of conveyor system. Belt conveyors for bulk materials calculations by cema 5th edition piotr kulinowski, ph.
Streamlined design with concealed drive and belt takeup pulley eliminates hazardous pinch points for operator safety. Because of their heavy duty construction and proven track record in the underground industry, mine duty pulleys are often used above ground to take advantage. Introduction a conveyor system is a common piece of mechanical handling equipment that moves materials from one location to another. Pstress is a proprietary pulley design software program developed at cdi. During the project design stage for the transport of raw materials or finished products, the choice of the. Research paper design and selecting the proper conveyorbelt. 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. For the ultimate in performance and economy, dodge offers engineered conveyor pulleys.
Belt conveyor pulley technical specification industrial. Many kinds of conveying systems are available, and are used according to the. Research paper design and selecting the proper conveyor belt konakalla naga sri ananth 1. Conveyor pulleys are utilized to move a conveyor belt and the product being carried by the conveyor belt. Determine the face length of the conveyor pulley the face length of a conveyor pulley is a derivative of the conveyor belt width. Takeup range for loaddependent takeup systems f u f 1 f 2 f 2 f tr f r f u 1 f 2 f 2 f tr. The pulleys are mounted on shafts that engage the bearings and drive mechanisms used to support the pulley and power the belt.
Design and analysis of belt conveyor roller shaft harshavardhan a. Vulcanized rubber lagging protects the pulleys face from wear and extends pulley service life. Conveyor pulleys, conveyor belt pulley, stainless steel. Conveyor design consultants of wa, march 2010 page 2 of 2 adjacent pulleys. Abstract conveyor pulley is widely used in the area of material. Dunlop conveyor belt technique design and calculation. The pulley equivalent of a lever and fulcrum is in fact atwoods machine, which is comprised of a pulley mounted to a fixed object, and a pulley that moves with the cable and to which a lifting hook is attached. Conveyor pulley, drive pulley, snub pulley, takeuptail. With unmatched conveyor pulley engineering and manufacturing capabilities, dodge has the knowledge and. Basic power requirements the horsepower, hp, required at the drive of a belt conveyor, is derived from the pounds of the effective tension, t e, required at the drive pulley to propel or restrain the loaded conveyor at the design velocity of the belt v, in fpm. The greater the loads will generally increase the diameter of the drive pulley and require extra strengthening of the belt conveyor design. Conveyor circuit design guidelinesfriction driven typical belt circuits discharge end drives simple plain pulley drive simple plain pulley drive with snubbing roller simple plain pulley drive with snubbing pressure roller double snubbed pulley drive page 1 of 9. The layout of this manual and its easy approach to belt design will be readily followed by belt design engineers.
Face width the length of a pulleys cylindrical body. Pulleys transmit power from one location to another, and they can form a transmission ratio. In the following drawings various arrangements of traditional belt conveyors are shown, with the pulleys numbered and. Speed ration, arc of contact, tension ration for belt about to slip, power capacity, pulley torque, initial tension. 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. Continental welded steel conveyor pulleys are availa ble with cxtb, dodge taper lock or o. Design data sheet for conveyors conveyor profiles drive pulley shaft detail worksheet nondrive pulley assembly details core systems pulley data sheet pulley diameter selection chart lagging capability chevron wing pulley elevator pulleys specialized pulleys core systems design pulley assemblies conveyor takeup frames telescoping tube. The gearbox and motor are not mounted on a firm foundation, but are instead suspended between the conveyor pulley shaft and a hinge point see fig. Studies on some aspects of conveyor drive pulley design. Snub pulley mounted close to the drive pulley on the return side of the belt. The pulley, which is used for extending the contact surface, is. This paper provides to design the conveyor system used for which includes belt speed, belt width, motor selection, belt. To solve a conveyor problem, certain facts must first be known.
A pulley is much more heavyduty than a roller and used at either end of a conveyor or near the drivemotor. Increased traction between the pulley face and the belt bottom cover reduces belt slippage and helps to improve belt tracking. Conveyor pulleys, conveyor belt pulley, stainless steel conveyor pulley, conveyor pulley. Conveyor pulley technical specification industrial machinery hic manufactured. Ankit kumar dept of mechanical engineering wbut university west bengal 2. The pulley equivalent of a lever and fulcrum is in fact atwoods machine, which is comprised of a pulley mounted to a fixed. Orthmans experience in handling products such as sand, gravel, grain, coffee, minerals, etc. Pulley types the most commonly used conveyor pulley is the standard steel pulley as shown in figure 8.
We appreciate suggestions from your side which can be helpful to improve this engineering manual. Conveyor design technology is a dynamic software development company in bulk materials handling system design, technology, reliability pallet belt conveyor design calculation pallet belt. We can manufacture many different diameter rollers or pulleys from materials like mild steel, stainless steel, aluminium to any material required. The frictional resistance of the conveyor components, drive, and. Rugged formed and welded steel construction prevents flexing and twisting. Again, the rubber manufacturers have standardized, either by agreement through industry associations, or by following the. The gravitational load to lift or lower the material being transported. This area is intended to act as the contact surface for the conveyor belt. The combined mass of the motor and gearbox is 230 kgthis load is shared between the conveyor pulley shaft and the mounting hinge pin. Conveyor pulleys engineered quality products to the australian and world material handling markets conveyor pulleys engineered quality products to the australian and world material handling markets. With a single fixed pulley the effort force is similar or more.
Do not lift pulley assembly by the shaft, as this may cause damage to the pulley assembly. Depending on the length of the belt conveyor and the load to be transported, the drive pulley and drive assembly might be mounted at the end of the conveyor or as a central drive unit. An analysis of stress and impact when the impact load creates on roller shaft with the help of hypermesh when the angle is increased to 17 degree. Pulley shaft calculation as1403 helix technologies pty ltd project as 1403 example calculation designed by p burrow project no see page 45 design date 27 july 2007 conveyor number cv 101 pulley description as 1403 example pulley type drive belt speed 3ms torque reversals yes pulley diameter osteel 1046mm design factor of safety 1. Conveyor pulley shaft design to as1403 helix deltad.
As a final step of projection, carcass of belt conveyor and. There is also a substantial dimensional commonality as well. The string is allowed to slide or pass through this groove with a load that is to be lifted fixed at one of its ends and an effort applied at the other end in order to lift the load. In general, chains are molded in certain widths and have one hinge with a ss pin that pulls the load. Continental conveyor belt conveyor pulleys catalogue. Mechanical design engineer, savitribai phule pune university, pune, india, 2assistant professor, department of mechanical engineering, nbn sinhgad school of engineering, pune, india. Due to the efforts of the conveyor equipment manufacturers association, the basic idler elementsidler roll wall thickness, bearing sizes and shaft sizeshave been standardized into classes. Belt conveyors for bulk materials fifth edition chapter 6. Heinrich brothers will provide you with the conveyor pulleys you need and help you choose the pulley that is right for your conveyor.
Pulley assemblies that are on skids or cradles shall be lifted with fork trucks. 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. This information is essential for sound conveyor engineering. Belt conveyors for bulk materials calculations by cema 5 edition. In bulk handling applications, an adequate pulley face length is one that is 2 or 3 greater overall or 1 to 1. The design of a pulley position measurement system. A simple pulley basically consists of two components, the wheel and the string. An analysis of stress and impact when the impact load creates on roller shaft with the help of. Drive pulley shaft for designing a conveyor belt, some basic information e. This first version used a closedform analytical method to solve for the stresses in a pulley. Crowned drive and takeup pulleys provide accurate belt alignment for maximum belt life. The program requires pulley and shaft dimensions as well as conveyor belt tensions for starting and running.
A conveyor system is a common piece of mechanical handling equipment that moves materials from one location to another. The fully equipped, modern fabricating and machining facilities lend them. Ronak r patel lecturer, mechanical engineering dept, birla vishwakarma mahavidyalaya. Professor, department of mechanical engineering, v r siddhartha engineering. We specialize in heavy duty construction as a standard to.
Slat conveyor design pdf slat conveyors are ideal for assembly line or production applications. The frictional resistance of the conveyor components, drive, and all accessories while operating at design capacity. Jun 24, 20 conveyor pulley baldor dodge dlag natural rubber pulley 73 percent more resistant to wear than sbr rubber. They are also in conveyor field services to find root cause of belt failure or conveyor failure, and to assist engineering for conveyor upgrade. Usually it has a larger diameter than other pulleys in the system and is often lagged to increase traction and pulley life. Pulley part number system hub and bushing systems xt and qd bushing specs bushing location dimensions design data sheet for conveyors conveyor profiles drive pulley shaft detail worksheet nondrive pulley assembly details. Failure analysis of conveyor pulley shaft sciencedirect. The conveyor pulleys with xt hubs feature thicker end discs as well as a variety of vulcanized rubber lagging options. You can make ads in the engineering toolbox more useful to you. Conveyor pulleys conveyor pulley construction has progressed from fabricated wood, through cast iron, to present welded. Two pulley connecting belt design and calculations. The conveyor belt calculations methodology discussed in the article is to be used only for the guidance on calculating the initial conveyor design parameters. Alternate design and optimization of conveyor pulley using.
Patented slidein design eliminates the need for mounting bolts. A pulley is a device that can increase the magnitude of an effort force. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. This paper provides to design the conveyor system used for which includes belt speed, belt width, motor selection, belt specification, shaft diameter, pulley, gear box selection, with the help of standard model calculation. The takeup range is a function of the effective pull, the required force f 2, the belt length l g, its delivery tolerance tol, the tension reserve z and the belt type. Pstress pulley design software conveyor dynamics, inc. Technical information project and design criteria for belt conveyors 1 drive pulley the shell face of the conventional drive pulley or the motorised drum may be left as normal finish or clad in rubber of a thickness calculated knowing the power to be transmitted. Our areas of expertise in conveyor belt design, analysis, and testing are used in conveyor design to achieve optimal conveyor engineering. Volume iv, issue xii, december 2015 ijltemas issn 2278.
The purpose of this project is to design a device to clean fish solids and plaque from plastic conveyor belts after they have been taken off fishing ships. Mallikarjuna rao1, g s s v suresh 2, priyadarshini d3 1. The recommended shaft sizes are calculated using 55mpa stress, 0. Dodge engineers utilize fea models and stateoftheart technologies to design conveyor pulleys assemblies of the highest quality. They are manufactured in a wide range of sizes and consist of a continuous rim and two end discs fitted with compression type hubs. Helix deltad pulley shaft design to as1403 standards helix deltad is an easy to use pulley shaft calculation program provided to perform conveyor pulley shaft size calculations.
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