Martin 78A12 Engineered Class Flame Cut Type A Sprocket for 78 Chain, 2.609" Pitch, 12 Teeth, 1.25" Bore Diameter, 10.956" Outside Diameter, 0.875" Wide Reviews
Martin 78A12 Engineered Class Flame Cut Type A Sprocket for 78 Chain, 2.609" Pitch, 12 Teeth, 1.25" Bore Diameter, 10.956" Outside Diameter, 0.875" Wide Feature
- For use with series 78 chain, to convey materials in demanding application deployments
- Type A sprockets, with 2.609 inch pitch, offer flexibility in mounting arrangements since they can be welded directly to another apparatus and are easily adaptable for such complementary items as bushing, bearing or sleeves
- Shaft diameter options range from 15/16 to 1 1/4 inch for a variety of application needs
- Variety of number of teeth and pitch diameter options, for flexibility in usage
- High carbon steel for high strength and durability
The Martin engineering class, flame cut, Type A sprocket with 2.609-inch pitch is suitable for use with the series 78 chain. The plate thickness is 7/8 inch and roller diameter of 7/8 inch. Engineering class, also called mill chain, sprockets are used with chains that convey material rather than operate the driving mechanism. High carbon steel has high strength and durability.
Type A sprockets do not have a hub extension and have a narrow profile. Some of the benefits of this style include the ability to accommodate the drilling of holes for mounting, used with large diameter shafts, can be welded directly to other apparatus, and are easily adaptable for bushing, bearings, sleeves, and so on.
Pitch diameter ranges from 6.82 inches in the 8-tooth option up to 49.85 inches in the 60-tooth option. The size of the stock bore is 15/16 inch for the 8-tooth option, 1 1/4 inch for 9- to 14-tooth option, and 1 1/2 inch for 15- to 60-tooth option. The approximate weight ranges from 9 pounds in the 8-tooth option up to 322 pounds in the 60 tooth option. All teeth on the engineering class sprockets have chamfered teeth that help with proper chain engagement. All Martin sprockets meet or exceed ANSI standards.
Sprockets are a wheel with teeth around the perimeter that meshes with a chain, track, or other perforated or indented material. Unlike gears that mesh with another gear, sprockets mesh with a chain, which then interact with another sprocket. Gears can be used to transmit power around a corner based on how they fit together. Sprockets with chains only work in straight lines. Some common benefits of chain-drive systems include minimal slippage, a fixed ratio between rotating shafts, and versatility with many different chain attachments and sprocket material selections. An example of a power transmission system is a standard bicycle, which has a sprocket and a chain to deliver power from the rider’s legs to the wheels making the bike move.
Martin Sprocket & Gear started in 1951 and is in the machining, fabrication, forging, casting, and powered metal technology, and plastic injection molding of countless power transmission and conveying products for the global market.
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Oct 01, 2011 21:22:40
1 comments:
All teeth on the engineering class sprockets have chamfered teeth that help with proper chain engagement. All Martin flame cut sprockets meet or exceed ANSI standards.
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