1.Adopt four-row leading edge paper feeding system to improve the
accuracy and smoothness of paper feeding. 2.dopt frequency
conversion to adjust the air volume, increase the stability and
accuracy of thin cardboard and warped cardboard transmission.3.Left and right side baffles, electric guide mechanism, stable and
precise displacement. 4.Clutch warning, double pneumatic locking,
safe and reliable 5.The upper paper feed roller (roller diameter is
136mm) is seamless steel pipe, wrapped with 6.The down paper
feeding roller(Ф136mm) is the seamless steel tube , ginning and
hard chromium plating ,balance correction . 7.The gap between the
paper feeding roller and the worm wheel are adjusted by the dial,
the adjustment range is 0-12mm, and the structure of the cross
slider is adopted, and the transmission gear will always maintain
the correct meshing state when adjusting. 8.Equipped with high-quality brushes and a dust suction device, it
can remove a large amount of impurities on the printing surface of
the cardboard and improve the printing quality