This is the diameter at which the sides of the belt is in effective contact with the pulley to transmit driving force. See custom vbelt pulley round belt pulley for more information on compound pulleys, different hub and bore configurations. Example motor and gearbox where the ratio maybe increased or decreased to obtain the correct output speed. Conveyor pulley selection guide belt wrap requirements the amount of traction between a drive pulley and a belt can be increased by increasing the arc of contact between the two surfaces. Using a combination of a molded glass reinforced nylon pulley with a machined aluminum hub for strength. Technical data industrial belt idler fastener coupling pulley. Dimensions of vbelts and pulleys together with basic design data are covered in this manual. Find vbelt pulleys on globalspec by specifications. Vbelt pulley, segmented pattern, machining, sand casting, three flask. However, there is still a wide range of tension which a belt will operate satisfactorily. Correct accurate installation of vbelt pulleys is essenial to provide long life of the belts. Pb precision built vbelts as well as fenner spacesaver wedge belts.
Browning sheaves are the most requested pulleys worldwide due to the reliability and productivity of the browning pulley line. Running in normal standard, the pulleys are statically balanced and this is sufficient for peripheral speeds up to 25 ms. Cause of failure web falyic wear caused by improper belt and pulley fit. Pulleys timing pulleys v pulleys statewide bearings. Vbelt pulleys or sheaves mate with drive belts in numerous power transmission applications. All gates polyurethane belts are made out of abrasionresistant polyurethane that provides thermoplastic flexibility, and longlasting, energy efficient belt system solutions for even the most demanding industries and applications. V belt pulley technical specification taper lock hic manufactured universal brand universal vbelt pulleys ensures more mileage form vbelt drives, in a way, pulley is made from superior quality graded cast iron, with grooves property machined with or without dynamic balancing that. The following table defiens industry standard v belt sheave grooves. Technical data rubber conveyor belt, pvc belts, solid plate fastener, roller idler, drum pulley, transmission belting, cogged v belt, shaft coupling, pulley sheaves, insulating mat, gasket sheet, coupling check valve, camlock coupling, high pressure hose hic make universal brand manufacturers of quality industrial products made in india. How to calculate pulley belt length and distance between wheels. V belt pulley technical specification bore bush pitch. Technical manual vbelt drives this technical manual contains all important technical information and methods for the design and calculation of drives with optibelt vbelts and vgrooved pulleys for industrial applications. This manual covers three vbelt cross sections and pulley groove sizes designated 3v, 5v and 8v. Conversely, too much tension puts excess strain on belts, bearings, and shafts, and causes premature wear of these components.
Vbelt pulleys are solely used for transmitting power between two parallel axels. This manual does not apply to automotive and agricultural drives. In tha drawing are shown the main characteristics and dimensions of groove pulleys for vjbelts. V belt pulley technical specification taper lock hic. Our application technology experts offer you free support service regarding the application of our products and also help. Energy efficient, particularly if replacing a v belt drive which incurs energy losses due to slippage. All fenner pulleys are manufactured from superior qua ity cast iron in over 400 standard sizes. This is this fairly typical of what you might find to in. Finer power transmissions pl will not accept liability for any damage. Their molded cog construction accommodates extended belt lengths, wedge vbelts available also. D, this is the measurement that represents the diameter of the belt its self as it rides in the pulley. The trapezoidal shape timing belt was superseded by a curvilinear tooth profile which exhibited. In order to promote public education and public safety, equal justice for all, a better informed citizenry, the rule of law, world trade and world peace, this legal document is hereby made available on a noncommercial basis, as it is the right of all humans to. It is recommended that the tolerance on dimensions should be taken into account while aligning the.
The following table defiens industry standard vbelt sheave grooves. Models in the database are compatible with most cad software packages and are available in various formats. Also known as stepcone pulleys, these have multiple groove sizes so you can quickly change rotation speed by moving your belt to a different groove. This step is not necessary if you already know your vbelt size or if the pulley and belt are greatly worn. The belt can counter flex and work on the backside wide range of pulleys for taper bush available from stock 500 0. Always maintain proper tension through motor adjustment.
Shafts must be parallel and sheave grooves in alignment to prevent unnecessary belt wear. How can i identify the correct vbelt type when the belt. Does anyone have recommendations for where i could get a metric sized vbelt drive pulley. If you need drawings of any of our products with custom modifications please contact us. Dodge vbelts allow compact, lighterweight drives and feature a highstrength tension member for rated power with minimum stretch. It should coincide with the pitch width of that vbelt within reasonable tolerances.
Dimension of grooves of vpulleys suitable for banded belts rma. Gates partview is your online source to find industrial belt technical information, part numbers and specifications, materials, and properties, with access to modeling resources, diagrams, and cad models. It is a defined value not subject to tolerance and is usually located at the level of the pitch zone of the vbelt for which the pulley groove is preferably intended. They are made in many configurations such as tension idlers and variable speedratio pulleys. V belt id gauge built in 2123 top width 716 depth may vary slightly by manufacturer identification chart belt type top width depth 3l 38 732 4l 12 516 5l 22 38 a 12 516 b 22 716 c 78 1732 3v 38 516 5v 58 1732 8v 1 2932 notched style bx vbelt wrapped style b vbelt. Type the full or partial part number in the search box below and click the search button. Round belt pulleys v belt pulleys torque transmission. Dodge sl classic belts feature a cablecord envelope construction that provides greater stability on long center. V belt pulley technical specification taper lock hic manufactured universal brand. They cover a multitude of industrial applications and are suitable for industrial drives in washing machines, textile machines, vacuum cleaners, lawn mowers, machine tools, medical equipment and many more. The most notable difference between a vbelt pulley and other types of pulleys round belt, flat, etc.
Vbelt pulleys for taper bushes vtp pulley ventilated. Pulley alignment can be checked by placing a straight edge across the outside edge of the pulleys, and adjusting until contact occurs evenly across both pulleys. The chantlandmhs company if the belt is not joined squarely, it is necessary to cut away the faulty joint and make a new one properly squared. Finer pulleys under go stringent balancing tests, to ensure each pulley functions efficiently. Scroll down through our pitches and click on the one you need to open a. All vbelt pulleys are compliant with current legislation and are made of cast iron gg 20 with protective phosphate. Powerdrive ecatalogs for vbelt drives, sprockets, timing belt drives, couplings, camfollower, gear rack, bearings, tightener idlers. The tolerance on the dimensions apply to the distance between the center of any two grooves whether adjacent or not 2. In general, the drives are in the integralhorsepower class as distiguished from light duty of fractional horsepower drives.
How to measure vbelt pulleys identifying vbelt pulleys. Naismith engineering carry all of the polyv pulleys and belts in this catalogue on the shelf and if special diameter pulleys are required they can be made in our. Dimensions shown on the dimensional tables are not binding even if they are. An overloaded belt drive is like a oneton truck with a twoton load both are sure to break down. They eliminate reboring and keywaying prob erns since each pulley need not be finished according to different bore and. These basic rules can be used to diagnose a belt running badly. For higher speeds is essential dynamic balancing can be provided on request. Development of large diameter vbelt pulley using coreless drag and. Pulley alignment and parallelism are very important as any misalignment of the pulleys will cause unequal loading in the belt and cause edge wear on the belt.
If you need great quality pulleys for a variety of different machines, then look no further. Too much tension results in excessive stress on belts, bearings, and shafts. Click on your pitch series below to download 3d drawings of all corresponding timing belts, pulleys, clamps, tensioning clamps and tensioners in stock. The arc of contact, or belt wrap is the angular distance a pulley travels while in contact with the belt, and is measured in degrees. Finer power transmissions carry a range of taper lock vbelt pulleys in.
Cause of failure fabric wear caused by insufficient belt dimensions. More modern engineered pulleys like the ones we distribute here at statewide bearings are highly precise. In desperation, i might shim a 12 bore pulley, but id rather have the right part if i can help it. Trapezoidal belts contact trapezoidal belts contact the pulley in the root radiusupper flank area only, while the powergrip gt3 system permits full flank contact. Our pulleys are made of class 30 cast iron with black oxide finish and one setscrew.
Looking for downloadable 3d printing models, designs, and cad files. Belt pulley, pulleys, v belt pulley global industrial. Nominal dimensions of the four cross sections are given in table 1. A belt and pulley combination is a method of transferring power between a drive unit and driven unit. The pulley hub, with the exception of the po1 pulley which is all nylon, can be aluminum, steel or stainless steel. Taper bore pulleys for spz v belts all dimensions in mm for standard sizes of taper bore bushes available refer to page 10 pulley installation correct accurate installation of vbelt pulleys is essenial to provide long life of the belts. Powergrip gt3 drive due to the difference in pulley to belt tooth fit see figure 3.
If you dont already know the full or partial part number, you may locate the product and its part number from a fenner drives product catalog. All vbelt pulleys are compliant with current legislation and are made of cast iron. One or more vbelts may be used on a drive, as required, to transmit the horsepower load. Nominal dimensions of vbelt cross sections in mm classical vbelts 01 cross section w h. V belt pulley sheave sizes table chart engineers edge. In the following ratio, rs is the speed ratio, d1 the diameter of the driver pulley, d2 the diameter of the driven pulley. The general definitions are valid irrespective of the system describing the pulleys. Vbelt pulleys are most accurately specified by giving the pitch diameter. As shown in the image below, an induction motor is connected via a belt to drive two pulleys which will move centrifugal fan.
329 1200 669 742 1213 711 1378 1162 168 739 4 1334 1096 1309 1576 620 1381 608 1221 386 415 703 816 903 61 752 125 123 1570 1226 633 1421 883 9 1026 1554 526 841 780 1000 514 1328 233 873 603 871