Description Overview The SB277 works by hydraulic system. The patented design monolithic clamping mechanism provides high precision and allows easy adjustment of jaw position. You can change the whole set of jaws to produce different specification spring units. Production Maximum production: 28,000 springs per 8 hours. Spring Types Bonnel. Specifications Spring diameter: 67 to 91 mm. Steel wire diameter: 1.9 to 2.5 mm. Spring height (can be customized): 100 to 180 mm (less than 80 mm needs to be customized). Helix wire diameter: 1.3 to 1.4 mm. Maximum spring unit width: 2050 mm. Maximum number of jaws: S: 21, M: 20, L: 20, X: 20. Power and Controls Hydraulic system power: 2.0 kW. Motor power of helical makers: 2 x 1.1 kW (with inverter). Controls: PLC control and operator’s panel. Additional Details Maximum weight of spiral wire reel: 200 kg.