The retaining ring is hot assembled on the both ends of the rotors to compact the coils on the ends to prevent the coils of rotors during high speed operation from runaway damages which might cause disastrous accidents to the power stations.
Specification:
Material standard: | GB, ASTM, AISI, ASME, DIN, BS, EN,JIS |
Material: | Non-magnetic Stainless Steel, Alloy Steel |
Manufacture equipment: | Electric-arc Furnace,Sawing Machine,Electric Slag Furnace,8000T Press Machine, Forging Dies,CNC-machine |
Main Process: | Material(Electric Furnace Smelting + Elctrode Rod Discard+ ESR+ Forging)+rough machining + Solution heat treatment + Cold expanding + Stress relieving heat treatment+ Final machining +Inspection(mechanical properties testing+ NDT) |
Test equipment: | Tensile testing machine, Impact testing machine, Grinding Machine, Chemical testing Machine, Magnetic permeability testing machine, Grain size testing machine, UT machine, PT testing material. |
We can manufacture all kinds of the retaining rings for generator use(3MW~1000MW). W e can manufacture retaining rings according to the custmer\'s specific requirements.

Our Advanced technical process for forging and cold expanding guarantees the high product quality. Closed relationship with several famous stated enterprises guarantee "in-time delivery" and competitive price.
