JH21 series open back press hydraulic overload protector

• Type: High-Speed Punching Machine
• Punch Shape: Semi-Open Punch
• Slider Movement: Double Action
• Model NO.: JH21-45
• Slider Drive Mechanism: Crank Press
• Controlling Mode: CNC
• Automatic Grade: Automatic
• Power Source: Pneumatic
• Precision: High Precision
• Certification: GS, CE, ISO 9001
• Condition: New
• Power Press: Punching Machine
• Capacity: 450
• Slide Stroke: 100
• Bolster: 440X810
• Main motor power: 5.5
• Net weight: 3450
• Transport Package: Steel Pallet
• Specification: CE Standard
• Trademark: HAVEN
• Origin: China
• HS Code: 8462
• Production Capacity: 100 Units/Month

Product Description

JH21 series open back press hydraulic overload protector

Feature:
1. Welded body with steell palte and deep throat
2. Combined dry type pneumatic frictioj clutch and brake
3. Cluster gear adopts the flooding oil lubrucation.
4. Six-face rectangle lengthen guide
5. Rigd pressing down style overload protector.
6. JH21s-45 adopts manual shut height adjustment with scale display. JH21s-63 and above type adopts electric shut height adjustment with digital display.
7. Equipped with lifting banlande cylinder,
8. Duplex valves imported from jipan
9. Electric compelling grease lubrication system,
10. Controlled by PLC with international brand,
11. Equipped with optional air cushion devrce, automatic feed shaft device and photoelectric protector, which can used to work with various antomatic equipments.

Specification:

Item			JH21-25B	JH21-25	JH21--45	JH21-63	JH21-80	JH21-110	JH21-125
Capacity		kN	250	250	450	630	800	1100	1250
Nominal Stroke		mm	3	3	4	4	5	6	6
Slide Stroke		mm	60	80	100	120	140	160	160
SPM	Fixed	min-1	100	100	80	70	60	50	50
	Variable		80-120	80-120	70-90	60-80	50-70	40-60	40-60
Max. Die Height		mm	200	250	270	300	320	350	350
Die Height Adjustment		mm	50	50	60	80	80	80	80
Between Slide Center & Frame		mm	160	210	230	300	300	350	350
Bolster (FB×LR)		mm	300×680	400×700	440×810	580×900	580×1000	680×1150	680×1150
Bolster Opening (Up Hole Dia.×Dpth×Low Hole Dia.)		mm	130×260	φ170×20×φ150	φ180×30×φ160	φ200×40×φ180	φ200×40×φ180	φ260×50×φ220	φ260×50×φ220
Bolster Thickness		mm	70	80	110	110	120	140	140
Bolster Opening (Dia./FB×LR)		mm	200×270	260×250	300×300	390×460	390×520	420×540	420×540
Slide Area (FB×LR)		mm	270×330	300×360	340×410	400×480	420×560	500×650	540×680
Shank Hole (Dia.×Dpth)		mm	φ40×60	φ40×60	φ40×60	φ50×80	φ50×80	φ60×80	φ60×80
Between Columns		mm	448	450	550	560	640	760	760
Main Motor Power		kW	3	3	5.5	5.5	7.5	11	11
Outline Size (FB×LR×H)		mm	1150×1050×2050	1300×1050×2050	1390×1200×2400	1580×1210×2520	1640×1280×2700	1850×1450×3060	1850×1490×3060
Net Weight		kg	2200	2600	3450	5400	7000	9340	9900