??Simmerrings three combinations Introduction

??Simmerrings are generally composed of three parts: seal body, strengthen the skeleton and the self-tightening spiral spring. Sealed off in a different

??The site is divided into bottom, waist, edge and sealing lip and so on.

??Like skeleton reinforced concrete structures inside, serve to strengthen the role and seal to maintain the shape and tension.

??In general, oil seal a free state, the inner diameter smaller than the shaft, which has a certain "amount of interference." Thus, when the seal is loaded seat seal and the shaft seal edge pressure and self-tightening contractile force of the coil spring shaft produce certain radial clamping force, after a period of time to run, the pressure will decrease rapidly and even disappear thus, plus you can always compensate for the spring force from the tight seal.