JH21-25Open-type High-performance Press

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Overview

JH21-25

Product Details

Product Description

Open-type High-performance Press

Model: JH21-25
Punch force: 250KN
Slide stroke: 80mm
Number of stroke: 100times/min
Table size: 720x400mm

Technical Specification

Model	Unit	JH21-25	JH21-45	JH21-60	JH21-80
Nominal force	KN	250	450	600	800
Stroke of nominal force	mm	3	4	4	5
Stroke of sliding block	mm	80	120	140	160
Number of strokes	times/min	100	80	70	60
Max. height for die loading	mm	250	270	300	320
Adjustment range fro die loading height	mm	50	60	70	80
Distance from slide block centre to the frame	mm	210	225	270	310
Space between columns	mm	450	500	560	620
Bottom surface size of sliding block	mm	360x250	410x340	480x400	540x460
Die handle hole size	mm	40x60	50x60	50x60	50x60
Worktable size	mm	720x400	810x440	870x520	950x600
Worktable material discharge hole size	mm	150x80	150x110	150x130	150x140
Distance from worktable to ground	mm	780	800	900	900
Air cushion pressure	KN	450	45	60	60
Air cushion stroke	mm	50	50	60	60
Power	kw	2.2	5.5	5.5	7.5
Machine dimensions (LxWxH)	mm	1520x1060x2120	1620x1130x2340	1690x1160x2650	1870x1170x2810
Machine weight	kg	2700	3800	5300	6600

Product Details

Welded steel plates for the machine body, removed of inner stress, marked with high rigidity.
Crankshaft arranged in longitudinal direction, compact structure, beautiful outlook.
Hexahedral guide rails of extra length in square shape marked with high precision.
Combined type pneumatic friction clutch brake, ensuring steady engagement and low in noise level.
Hydraulic overload protection for JH21, rigid protective device for JF21 to prevent damege due to overload in operation.
PLC control for the electric circuit, safety duplex valve fro air passages, flexible and sensitive in operation and safe and reliable with the options of single operation, inching and continuous operation, conforming to the safety standard for stamping machines.
Pneumatic balance device for slide block to enhance the stability and precision of the machine tool.
Automatic thicl oil lubrication for specific points and in specific volumes regularly to ensure sufficient, uniform and reliable lubrication; electrical die adjustment with digital display for 60T and plus.
Automatic feeding device and optional electric protective device optional.
Optional automatic feeding device, photoelectric protection device, air cushion device etc.