Description Overview Needle density: 3500 needles per meter Working width: 4500 mm (needle width) Stroke amplitude: 50 mm Stroke frequency: 800 n/min (punch speed is 800 rpm in normal working status) Specifications Power: 26.5 kW Needle beam and press beam are manufactured by tempering with high precision Eccentric bearings are imported from Germany Main axle material is 40Cr with tempering and fine grinding Push-bar material is 38 CrMoAl by tempering, stress elimination, nitrogen treatment and super fine grinding Needle beam is with 7-range high speed turbo electric lift; stripping board is with 4-range turbo electric lift; needle punching depth is displayed Needle board: aluminum-magnesium alloy, pin-hole ∮1.83 mm, cloth-pin random design by computer Board is by 10 mm thick manganese steel; all are processed with tempering and chrome-plated after surface grinding, pinhole sand blasting Outputting roller is by 159 x 10 seamless steel pipe and chrome-plated after grinding surface All motors and rollers are controlled by inverter Condition Needle beam and press beam are manufactured by tempering with high precision Eccentric bearings are imported from Germany Main axle material is 40Cr with tempering and fine grinding Push-bar material is 38 CrMoAl by tempering, stress elimination, nitrogen treatment and super fine grinding Needle beam is with 7-range high speed turbo electric lift; stripping board is with 4-range turbo electric lift; needle punching depth is displayed Needle board: aluminum-magnesium alloy, pin-hole ∮1.83 mm, cloth-pin random design by computer Board is by 10 mm thick manganese steel; all are processed with tempering and chrome-plated after surface grinding, pinhole sand blasting Outputting roller is by 159 x 10 seamless steel pipe and chrome-plated after grinding surface All motors and rollers are controlled by inverter Included Needle board: aluminum-magnesium alloy, pin-hole ∮1.83 mm, cloth-pin random design by computer Board is by 10 mm thick manganese steel; all are processed with tempering and chrome-plated after surface grinding, pinhole sand blasting Outputting roller is by 159 x 10 seamless steel pipe and chrome-plated after grinding surface Not specified