SX-100 High Speed Computerized Bonnell Spring Coiling Machine Technical specification Spring Type Bonnell Production Speed 90-95 Springs/Minute Steel wire gauge 2.0-2.4mm External Spring Diameter 62-95mm Spring Height 80-190mm (option: 190-210mm) Spring Coils 4-7 Coils Main drive power 4kw Swift frame power 2.2kw Heat treatment 10kw Net Weight 2730KG Power Requirements 380V/220V 50HZ/60HZ