JH21-40 400KN 85mm smp 440mm F.B 360mm L.R Open Back, C Type, C Frame Power Press (400ton)

 JH21-40 400KN 85mm smp 440mm F.B 360mm L.R Open Back, C Type, C Frame Power Press (400ton)

Features:

Welded frame with quality steel which means good rigidity.                                                  Square figure long guide with six friction faces makes abrasion resistant and punching precision. Hydraulic overload protector has sensitive response and reliable motion, which can protect the die when overloading                                                         Combined pneumatic clutch and brake are made of friction material, which means long service life.                                                        Closed gear-driven, dipped in lube, which drives stably with low noise.                       Slide with counter balancer, which will eliminate the clearance and improve the stability and precision.                                                    Intermittent auto lubrication makes every point get fine and safe lubrication. Thus, long service life is saved.                                                  PLC electric control system is safe and reliable                                                     Air cushion, photo guard, auto feeder ,speed die changing and variable-speed device are optional.

specification

Item	Unit	JH21-25	JH21-40	JH21-63	JH21-80	JH21-100	JH21-125	JH21-160	JH21-200	JH21-250	JH21-315	JH21-400
Nominal Pressure	kN	250	400	630	800	1000	1250	1600	2000	2500	3150	4000
Nominal Pressure Stroke	mm	3	4	4	4.5	5	5	6	6	6	8	8
Slide Stroke	mm	80	100	120	130	140	150	160	160	200	250	250
No. of Strokes per minute	Fixed	SPM	100	85	60	60	50	50	50	50	30	30	25
Variable	SPM	70-110	50-95	45-75	40-70	30-60	30-60	30-60	35-60	25-40	25-40	20-25
Max. die Height	mm	250	270	300	330	350	380	400	450	500	550	550
Die Height Adjustment	mm	50	60	70	80	90	90	110	110	110	120	120
Throat Depth	mm	210	225	260	310	360	370	380	400	430	430	510
Bolster Surface Size