Sprockets for double pitch roller chains can be found in a single or double-toothed style. Single-toothed sprockets for double pitch roller chains possess the same behaviour as standard sprockets for roller chains in accordance to ISO 606. Due to the larger chain pitch of double pitch roller chains it is possible to increase durability by toothing modifications.
Double-toothed sprockets can be found either in full or in half tooth steps. Complete tooth measures are double-toothed to ensure that only a part of the tooth is used effectively. The advantage is that whenever the chain can be exchanged the so far unutilised teeth can be used after that, and the sprockets can stay in the system.
In order to increase the life cycle of a chain drive even more, sprockets can be produced with fifty percent tooth steps. With every rotation the chain joints move one tooth forward in the meshing. This reduces the wear of the chain and the tooth edges. This kind of toothing is often used when, due to the respective design, only minor deflections can be realised.
Our sprockets and plate sprockets are made of C 45, stainless, and special materials with a material strength of between 500 N/mm² and 600 N/mm². Apart from hardened toothing, we also supply surface treated types.
Double pitch roller chains are manufactured according to the particular order and customers’ specifications.
On request we supply sprockets with:
Bore and grove
Tapped and pin holes for bore
Tapped and pin holes for bore upon pitch circle
Slot holes upon hub and hole circle
Our sprockets for double pitch roller chains are available in an individual or in a double-toothed version.
Our in-stock standard double pitch sprockets are produced out of SAE-1045 case hardened steel with extra-hardened teeth and coated with dark oxide. These sprockets are extremely durable, high-strength, and produced to high precision tolerances. Stock double pitch sprockets include standard roller and carrier roller style, solitary duty sprockets are made to purchase and typically take anywhere from a few business days to some weeks to produce based on our factory loads and sprocket specifics.
Standard Roller Type
Standard roller type sprockets are the same outside diameter and width as the single-pitch equivalent simply with a different tooth profile to permit proper seating of the chain. On even tooth-counts, these sprockets just build relationships the chain on every other tooth because there are two tooth per pitch. On odd tooth counts, any provided tooth is engaged just on almost every other revolution which of program increases the sprocket life.
Carrier Roller Type
Carrier roller type double pitch sprockets are cut with space cutters to allow the carrier roller to properly seat and engage with each tooth. These sprockets will have the same diameter as the ANSI single-pitch equivalent.
Single Duty Type
Solitary duty sprockets are manufactured to where every tooth gets engaged evenly on each revolution. This sprocket type has become obsolete in most applications but continues to be available.
When using double pitch roller chain it really is extremely recommended if not required to use a double pitch sprocket. It is because double pitch sprockets are manufactured with a special tooth profile which allows for the roller to properly seat and engage with the teeth of the sprocket. The above photo on the left may be the regular tooth profile and the picture on the right may be the special dual pitch sprocket profile. As you can see above, the dual pitch sprockets tooth profile is usually somewhat deeper and cut differently to fully accept the double pitch chain roller. If using a standard sprocket, failing to engage will result in chain jumping in addition to excessive wear. Something vital that you note can be that with chain sizes C2040, C2050, C2060, C2060H, C2080H, C2100H, C2120H, and C2160H when the tooth count is certainly 31 or even more you can use a standard roller chain sprocket. This rule does not connect with carrier roller design chains which where the roller diameter exceeds the sidebar height, these chain sizes include C2042, C2052, C2062, C2062H, C2082H, C2102H, C2122H, and C2162H.
2042A16 SPROCKET WITH STOCK BORE
2042A16 Sprocket