Main Features of round cutting machine (1)  Round cutting machine is easy to adjust, adjust the position of the rear frame, and lock the rear frame, can be cut into a batch of parts. (2) This series of Paperboard Circular Shear machine tools have small dimensions, simple operation, saving machine floor area. (3) Safety and reliability.The transmission parts of the Paperboard Circular Shear machine are considered to be reliable and convenient for maintenance, and equipped with protection to ensure personal safety. (4) There are support rods on both sides of the headstock box, the height which can be adjusted. When cutting large diameter parts, it is used for supporting insulating cardboard to ensure the shearing accuracy. Technical parameter for Paperboard Circular Shear machine SN Main parameter YJФ80~1000 YJФ80~3000 1 Shear board diameter Ф80~1000mm Ф80~3000mm 2 Shear board thickness 0.5~3mm 0.5~3mm 3 Shear speed 70m/min 70m/min 4 Power and revolution of main motor    0.75KW  950r/min 2.2KW  950r/min 5 Upper cutter lifting distance ＞25mm ＞25mm 6 Lifting distance of upper pressing plate   ＞25mm ＞25mm 7 Ovality of cut board ±1mm ±1mm 8 Repeat positioning accuracy of tailstock ±0.1mm（Numerical control type） ±0.1mm（Numerical control type）