The chain is situated at the external surface area of the wheel, equal a belt, and one’s teeth stick outside the chain. The chain grips with the wheel through teeth that are located in the bottom of the chain. The chain the teeth and the chain wheel the teeth are so constituted that by use at the linking elements the pitch raises, the chain accordingly have a tendency to re-locate on the tooth areas, so to hold on a more substantial pitch diameter; the result of this move can be that the pitch of the chain and the pitch of the wheel enhance to the same level.
The load on the teeth is divided across all the teeth within the contact arc, whatever the extension by wear.
The links usually do not show any gliding on or of the teeth, which carries a soft and practically noiseless gripping; this tranny was also manufactured for transmitting power or higher speeds than this was allowed for roll chains.
The return of the “low noise chain” can amount 99% and for the full transfer from 96% to 97% under favourable conditions; of 94% upto 96% there is a guarantee with smartly designed transmission under typical operating conditions.
The lifetime and maintenance of low noise chains depends mainly on the design of the entire chain drive, the tension arrangement included. At very loose chains the balancing of the chain will increase the wear. A good tension arrangement can double the lifetime. A slight clearance is required with a minimum of +/-3 mm. Although the chain is getting higher positioned on one’s teeth upon stretching of the pitch, this stretching isn’t moderated by the directly portion of the chain, which Special Chains implies that this section can be slacking at wear.