SX80A mattress machine--unknotted spring coilin gmachi is making unknotted/knotless springs for mattress ... Programmable Logic Controller (PLC) and Servo control system. All machine functions include wire feeding length, heat treatment, lubrication and self ... 2730KGPower Requirement380V,3 Phase,50-60HZ (Option: 415V-480V, 220V) CNC spring coiling machine-SX80A Digital Unknotted Spring Coiling Machine