... current quenching, surface hardness: HRC55~58;1.3 Roller Size: Ø430*1500, 4 pcs;1.4 Main Motor: ... expansion core: Ø500mm, over hang type support.3.0 Recoiler: one set Hydraulic over hang type ... with expansive mandrel core, feeding car and rails.3.1 photo-electric centering device, the displace ... expansion core: Ø500mm, over hang type support.3.3 Adjustabel frequency moter with power capacity 11 KW, ...