J21 Series General Open Back Press Machine with Fixed Bed

• Type: General Punching Machine
• Punch Shape: Open Punch
• Power Source: Mechanical Drive
• Precision: Normal Precision
• Certification: SGS, ISO 9001
• Condition: New
• Model NO.: J21

Product Description

J21 series general open back press with fixed bed

    Adopts horizontally placed crankshaft.
    Rigid rotated bond clutch.
    Manual shut height adjustment with scale display.
    The type with "A" equipped with emergency stop device,which could make the slide stop  at 0°~135°area and equipped with light curtain protector as well.
    The type with "D" adopts dual rotated bond structure to overcome rebound of punching effectively.
    JC21-160 equipped with pneumatic clutch to make slide stop at any position.
 

		J21-63A	JD21-63A	J21-80A	JD21-80A	JD21-100A	JD21-125A	JC21-160
Capacity	kN	630	630	800	800	1000	1250	1600
Nominal Force	mm	8	8	9	9	10	10	6
Slide Stroke	mm	120	120	130	130	140	140	160
SPM	min-1	50	50	45	45	38	38	40
Max. Die Height	mm	300	300	350	320	320	320	350
Die Height Adjustment	mm	80	80	100	100	100	100	100
Between Slide Center & Frame	mm	300	300	300	300	380	380	380
Bolster (FB×LR)	mm	570×760	570×760	580×860	580×860	710×1100	720×1200	740×1300
Bolster Opening (Up Hole Dia.×Dpth×Low Hole Dia.)	mm	Φ200×45 ×Φ180	Φ200×45 ×Φ180	Φ200×45 ×Φ180	Φ200×45 ×Φ180	Φ260×50 ×Φ220	Φ260×50 ×Φ220	Φ300×50 ×Φ220
Bolster Thickness	mm	90	90	100	100	120	120	150
Bolster Opening (Dia.×FB×LR)	mm	Casting Φ280×220 ×320	Φ280×220 ×320	Casting Φ280×220 ×380	Φ280×220 ×380	Casting Φ320×250×420	Casting Φ320×250 ×420	Φ470
		Steel 220×250		Steel 220×260		Steel 260×290	Steel 260×290
Slide Area (FB×LR)	mm	280×320	280×320	280×380	280×380	420×560	420×560	580×770
Shank Hole (Dia.×Dpth)	mm	Φ50×80	Φ50×80	Φ60×75	Φ60×75	Φ60×80	Φ60×80	Φ65×85
Between Columns	mm	Steel 470	320	Steel 515	410	Steel 630	Steel 620	730
		Casting 320		Casting 410		Casting 580	Casting 580
Motor Power	kW	5.5	5.5	7.5	7.5	7.5	11	15
Outline Size (FB×LR×H)	mm	1550×1410 ×2610	1550×141 0×2610	1610×1470 ×2680	1925×1470 ×2675	1960×1335 ×2850	2060×1600 ×3000	2200×1550 ×3160