Dongguan synectics is differential air shaft manufacturer from China, we have all kinds of friction rings as below:
| Type | Sizes(OD*ID*W) | Type | Sizes(OD*ID*W) |
| Ball lock rings | φ75*φ60*25mm | Toshin rings | φ75*φ50*50mm |
| Key type rings | φ75*φ50*10mm | Nishimura rings | φ75*φ45*30mm |
| Key type rings | φ75*φ50*15mm | Nishimura rings | φ75*φ45*40mm |
| Key type rings | φ75*φ50*20mm | Nishimura rings | φ75*φ45*45mm |
| Key type rings | φ75*φ50*37mm | Nishimura rings(Double line) | φ75*φ45*22mm |
| Key type rings | φ75*φ55*50mm | Nishimura rings(Double line) | φ75*φ45*42mm |
Differential shaft(friction shaft,air friction controlled rewinding shaft).This shaft is used for rewinding and the special unwinding of slitter machine.Is controlled its friction torque by compressed air.We are the manufacturer of differential air shaft, obove friction rings are some of our standard sizes, OEM is welcome. Ball lock rings, key type friction rings, Toshin friction ring, Nishimura rings are our main products. Our main customers are from USA, Mexico, UK, MY…….
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