Sprockets is usually classified into conventional sprockets, HK sprockets as well as other sprockets.
1. Regular sprocket
Regular sprockets are ANSI sprockets which can be engaged with normal series roller chains. See P125 for dimensions.
You will discover two forms of tooth profiles: U-tooth and S-tooth.
2. HK sprocket
HK sprockets may be engaged with HK series roller chains, and these for single strand chains are identical to conventional sprockets. Even so, sprockets for multiple strand chains are distinct from standard sprockets in sprocket tooth profile.
3. Other sprockets
Other sprockets are made in accordance for the following calculation formulas to suit respective specialty chains.
The sprockets used for that following chains will be the similar as the typical sprockets in tooth gap type, but unique in tooth thickness (sprocket tooth profile).
4. Calculation of sprocket dimensions
The dimensions of conventional sprockets and also other standard sprockets are calculated as follows. At the outset, the diameters of sprockets are calculated from the following calculation formulas.
Upcoming, sprocket tooth profile (the shape of your tooth according to its thickness) is calculated from the following calculation formulas. (The values shown during the following pages were calculated by these formulas and regarded as the conventional values.)
Calculation formulas for diameters and tooth gap forms Calculation formulas for diameters
Calculation of pitch diameter, tip diameter and caliper diameter
The fundamental dimensions of a sprocket suitable for any chain pitch of one mm are respectively called pitch diameter element, tip diameter issue and caliper diameter factor. The respective variables for respective numbers of teeth are listed under. If these components are multiplied by chain pitch, the essential dimensions from the corresponding sprocket can be obtained.
Example:
During the case of 80 (25.40 mm pitch) with 35 teeth Pitch diameter (Dp) ＝ P×Pitch diameter issue
Calculation formulas for tooth gap forms
Because the most rational tooth gap kinds during which the strain angle improvements in response to the elongation of the smoothly rotated roller chain with all the lapse of support time, ANSI specify two sorts of tooth profiles: U-type and S-type. Usually, S-type tooth profiles are adopted in accordance with ANSI, and our normal sprockets also have S-tooth profiles.

This gage checks the wear-elongation of chains.
Test the chain elongation at a portion that is most
frequently engaged with the sprockets (portion more than likely to become worn).
When the center with the pin of the chain for being measured
This gage checks the wear-elongation of chains.
Check out the chain elongation at a portion that’s most
commonly engaged together with the sprockets (portion most likely for being worn).
Once the center with the pin of your chain to get measured reaches the arrow stage, it signifies that the chain has been critically elongated. In this instance, exchange the chain.
Utilize the gage to examine the wear elongation of one’s chain.
Common terms for sprockets
Nominal quantity of sprockets
The nominal quantity of a sprocket is the similar as the nominal variety of the corresponding chain. Such as, Chains this kind of as 50, 50HK, and 50LD may be engaged having a sprocket 50. It really is followed by symbols and characters indicating the number of chain strands, the quantity of sprocket teeth, hub style, tooth head hardening, and so forth.
Diameter of ready hole and shaft hole finishing
A regular sprocket for a single strand or double strand chain features a shaft hole prepared at a diameter stated within the table of dimensions. If you finish the shaft hole, machine it in reference on the outer diameter or root diameter.
Hardening of tooth heads
The teeth of a sprocket has to be tough and dress in resistant as they are impacted when engaged together with the rollers with the chain and worn by sliding using the rollers. When severe put on and large shocks are anticipated, sprocket.
Types, building and materials
made from carbon steel or cast steel ought to be utilised and high-frequency hardening need to be carried out.
The normal sprockets forty to 120 that has a hub on just one side for single and double strand chains are induction-hardened whether or not the number of teeth is tiny. Irrespective of whether the merchandise is induction hardened or not is proven within the tables of dimensions of respective sprockets for your reference. Additionally, from the following circumstances, induction-harden the teeth with the sprocket.?The compact sprocket has 20 or significantly less teeth and is utilised at 1/6 or additional on the highest speed stated within the table of optimum kilowatt ratings.
The small sprocket is utilized at a alter gear ratio of four:one or additional.
The modest sprocket is used for a low velocity massive load transmission as in circumstances of assortment determined by the “Low-speed selection”.
Sprockets are utilized in conditions the place the teeth are heavily worn.
Sprockets are employed beneath circumstances exactly where you will discover regular starts and stops or sudden common or reverse rotations.
General cautions
For deciding on the number of teeth and pace ration of your sprocket, see “How to select right chain” . For cautions for putting in a sprocket on the shaft and substitute timing, see “Installation adjustment maintenance” .

C-Top is actually a plastic cover for chains that could be conveniently connected. It’s sufficient load strength for chains conveying goods. Not like traditional plastic chains, it might be utilised beneath higher tension as stainless steel chains. It truly is an excellent remedy for your use that involves the power of steel chains cost-free from issues of damaging, soiling, and jamming of solutions. Additionally, it prevents operators from being caught by the chains. It might also be employed since the cover for chains utilised for elevating gadgets this kind of as multilevel parking machines.
Applicable chains
Is usually connected to chains corresponding to ANSI #40, 50, 60.
Sprocket teeth amount
Use sprockets with 12 or a lot more teeth.
Test the outer diameter of the hub.
Color
The typical color for this product or service is blue gray. Other colors might be presented dependant upon the amount.
Chain Lube (420 ml)/ HI-PWR Lube (330 ml)
Chain Lube is actually a spray form lubricant that was designed specifically for chains. It’s outstanding attributes that lengthens the chain life stopping it from sporting and maximizes the chain’s transmission efficiency.
Applications
?Roller Chains for Electrical power
Transmissions
?O-ring chains
?Leaf chains
?General conveyor chains ?Motorcycle chains
?Bicycle chains
?Sprockets
Attributes
?Fantastic adhesion and much less splatter. ?Superior lubricity to enhance dress in
resistance.
?Good penetration.
?Higher corrosion prevention impact. ?Excellent water resistance and unlikely
to get washed away by water.
?Fantastic heat resistance.
?Won’t impair the O-rings.