JH21-80 China Manufacture Top Quality Pneumatic Sheet Metal Punch Press Machine

• Customization: Available
• Type: General Punching Machine
• Punch Shape: C frame power press punching machine
• Model NO.: JH21-80
• Controlling Mode: Artificial
• Automatic Grade: Semiautomatic
• Power Source: Mechanical Drive
• Precision: Precision
• Certification: CE, ISO 9001
• Condition: New
• Transport Package: Plywood Wooden Box
• Specification: JH21-60
• Trademark: WMT
• Origin: Chizhou, Anhui, China
• HS Code: 8462101000
• Production Capacity: 5000PCS/Year

Product Description

JH21 Series Punching press machine Features:
1.Steel welded body, tempering treatment, high rigidity, accuracy and stability;
2.Vertical located crankshaft, compact structure;
3.The crankshaft undergoes grinding treatment after high frequency quenching;
4.Lengthened rectangular guideway with a surface of bronze plate;
5.Pneumatic dual balance cylinder, which balances the slide block and punch weight to reduce noise and impact;
6.PLC control and imported safety dual valve;
7.Wet clutch and hydraulic overload protector.


Specifications:

Specifications		Unit	JH21-80		JH21-100		JH21-125
Type			H	S	H	S	H	S
Nominal force		KN	800		1000		1250
Nominal Stroke		mm	5	5	5	5	6	6
Slide Stroke		mm	100	160	100	160	110	180
Slide Strokes Per Minute	Fixed	min-1	80	60	80	55	70	50
	Variable		55-95	40-75	55-95	35-65	50-85	35-60
Maximum Die Set Height		mm	350	320	365	335	385	350
Die Height Adjustment		mm	80		90		90
Between slide center and frame		mm	310		330		350
Columns Distance		mm	610		670		670
Bottom size of slide	L×R	mm	540		620		620
	F×B	mm	460		520		520
Shank Hole Size	Dia	mm	50		70		70
	Depth	mm	70		80		80
Bolster size	L×R	mm	950		1060		1100
	F×B	mm	600		640		680
Blanking Hole Diameter		mm	180		180		200
Bolster Thickness		mm	140		145		155
Bolster Surface Height		mm	900		900		900
Overall Dimensions	F×B	mm	1765		2000		2040
	L×R	mm	1200		1300		1320
	H	mm	2725		3010		3035
Distance Between Foundation Bolts	F×B	mm	1210		1365		1430
	L×R	mm	920		1020		1040
Motor	Power	Kw	7.5		7.5		11
Weight(Approximate)		Kg	6450		8650		9550

Machine details: