Sprockets are thin cylindrical wheels with toothed rims that, through the use of parts such as chains or tracks, function to transfer rotational force into motion. Sprockets are very similar to gears; however, the main difference between the two is that gears must be used in conjunction with other toothed parts to transmit motion, whereas sprockets transmit motion through perforated or indented materials.
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Omni Gear & Machine CorporationJoliet, IL 800-876-7216 Omni G&M's skilled craftsmen have experience and knowledge in producing custom solutions-including quality and affordable sprockets-servicing many industries including graphics arts, corrugated box and bag making, food equipment, material handling, presses, roll forming, custom machinery and general industry. Whatever the job, Omni has the materials, the equipment and the know-how.
Commercial Gear & Sprocket Company, Inc.East Walpole, MA 800-491-1073 Commercial G&S Company has been a leader in the industry for generations and has built a reputation with the highest quality sprockets and more, delivered on time. Commercial offers its customers a wide variety of gearing and machining capabilities in an equally wide variety of materials. Commercial is a member of the AGMA and is I.S.O. 9002 certified. Call today!
Sherbrooke Gear Works, Inc.Sherbrooke, QC 819-566-1040 With more than 40 year of experience in its field, Sherbrooke is more than a manufacturer of sprockets and other related products. Sherbrooke can also provide turn-key solutions, full engineering services in power transmission systems designed to your specifications, complete engineering services and general machining and custom fabrication. For excellent results, turn to Sherbrooke.
Supreme Gear Co.Fraser, MI 586-775-6325 Founded over 60 years ago, Supreme Gear Company is a privately owned Hispanic Minority Company. We are both AS9100:2004 and ISO 9100-2008 certified. We provide quality gears and sprockets for many aircraft companies including Boeing. We are committed to achieving complete customer satisfaction and strive to continuously improve our efficiency and effectiveness.
G & K Machine Co.Commerce City, CO 800-455-0603 G&K can handle anything from replacement key stock to complete gearbox manufacturing, component rebuilding & small to medium production runs. G&K provides only the best sprockets available, among many other quality services, including shafts up to over 12 ft. in length, along with in house inspection, tear down, repair & reassembly of components. Please call G&K today!
Reliance Gear CorporationAddison, IL 630-543-6640 Whether your needs are five pieces or five thousand pieces, Reliance has the flexibility to provide parts when you need them. This broad experience enables Reliance to find solutions that may eliminate unnecessary operations. Reliance's main thrust is a total commitment to manufacturing its quality sprockets in the least amount of time and this can translate into significant savings.
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Sprockets
Sprockets are very important mechanical components. As the most common part used in conjunction with sprockets, chains can be defined as a series of joined (typically metal) links, flexible in only one direction and used to transfer power in machinery through enmeshing with the machine's sprockets. Industrial manufacturing is one of the more common industries that benefit from sprockets. However, additional industries include automotive, for power transmission applications; agriculture and forestry, in various types of equipment; film and paper, for film transport mechanisms found in move projectors and cameras; and electronics, for computer printers and electric motors. Sprockets are made from a wide range of materials: stainless steel, which works best for high temperature and food processing applications; cast iron, most often used with flat wire conveyor belts; and plastics such as nylon, polyethylene and polyurethane, which allow for continuous use at high temperatures.
Sprockets are formed in much the same way as gears, through cutting techniques such as hobbing, so that they are able withstand harsh and repetitive use. Sprocket hobbing is the process of using a broaching machine to cut the grooves, known as teeth, into a component. Capable of cutting sprockets with different numbers and varying sizes of teeth, sprocket hobbing is used to make teeth for many different kinds of sprockets. Additional machining processes are used, such as drilling, in order to ensure the best teeth and closest tolerances. Secondary service including heat treating and hand finishing can be used in order to provide additional strength and quality. Often cut in both English and metric dimensions, there are many different types of sprockets available including idler, roller chain, split, timing belt and film. Idler sprockets are used to prevent whipping action and to help obtain optimum chain tension in power transmissions. Also useful in power transmission, roller chain sprockets are light-weight, durable and often used for precision equipment components. Split sprockets, on the other hand, are useful in applications requiring detachment without having to dismantle machinery. Timing belt sprockets are also referred to as synchronous sprockets and provide timed, non-slip power transmission. Film sprockets refer to the type of sprocket used to move film through various machines by engaging with holes located along the two sides of the film strip.
