... Shaft material: 40Cr, {Processing technology: Quenching and High temperature tempering} Machine structure: Guiding column type Machine frame: H-Section welding steel Drive type ... , Encoder, Frequency converter, Buttons. Machine weight: About 6 tons Main Machine sizes: 3.5M*1.0M*1.25M (L*W*H) Working area ... paint + Surface paint, color could be customer’s need. 3). Machine Pictures L shape roll forming ...