The chain is located at the Special Chains china external surface of the wheel, equal a belt, and the teeth stick outside the chain. The chain grips with the wheel through tooth that are located at the bottom of the chain. The chain the teeth and the chain wheel tooth are therefore constituted that by wear at the linking elements the pitch boosts, the chain accordingly have a tendency to re-locate on the tooth surfaces, so to grip on a larger pitch diameter; the result of this move is usually that the pitch of the chain and the pitch of the wheel enhance to the same extent.
The load on the teeth is divided across all of the teeth within the contact arc, regardless of the extension by wear.
The links do not show any gliding on or of the teeth, which carries a soft and practically noiseless gripping; this transmission was also designed for transmitting power or higher speeds than this is allowed for roll chains.
The return of the “low noise chain” can amount 99% and for the entire transfer from 96% to 97% under favourable conditions; of 94% upto 96% there is a guarantee with well designed transmission under average operating conditions.
The lifetime and maintenance of low noise chains depends mainly on the design of the complete chain drive, the strain arrangement included. At very loose chains the balancing of the chain will speed up the wear. An excellent tension arrangement can dual the lifetime. A slight clearance is necessary with at the least +/-3 mm. Although the chain is getting higher positioned on one’s teeth upon stretching of the pitch, this stretching is not moderated by the directly section of the chain, which means that this section is usually slacking at wear.