JH21 C frame China made best price punching press machine

• Type: General Punching Machine
• Punch Shape: C frame power press punching machine
• Slider Movement: Double Action
• Controlling Mode: Artificial
• Automatic Grade: Semiautomatic
• Power Source: Mechanical Drive
• Model NO.: JH21
• Precision: Precision
• Certification: CE, ISO 9001
• Condition: New
• Transport Package: Plywood Wooden Box
• Specification: JH21
• 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:sheet 1

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

Specifications:sheet 2

Specifications		Unit	JH21-160		JH21-200		JH21-250		JH21-315
Type			H	S	H	S	H	S	H	S
Nominal force		KN	1600		2000		2500		3150
Nominal Stroke		mm	6	6	6	6	6.5	6.5	7	7
Slide Stroke		mm	130	200	150	200	160	220	160	220
Slide Strokes Per Minute	Fixed	min-1	60	45	60	45	45	30	45	30
	Variable		40-70	30-55	40-70	30-55	30-55	20-35	30-55	20-35
Maximum Die Set Height		mm	435	400	485	450	530	500	530	500
Die Height Adjustment		mm	100		110		120		120
Between slide center and frame		mm	400		430		450		450
Columns Distance		mm	736		910		980		980
Bottom size of slide	L×R	mm	700		880		950		950
	F×B	mm	580		650		700		700
Shank Hole Size	Dia	mm	70		70		70		70
	Depth	mm	100		100		130		130
Bolster size	L×R	mm	1175		1390		1500		1540
	F×B	mm	760		840		880		880
Blanking Hole Diameter		mm	220		240		240		240
Bolster Thickness		mm	165		180		190		190
Bolster Surface Height		mm	900		1000		1000		1000
Overall Dimensions	F×B	mm	2305		2600		2660		2720
	L×R	mm	1420		1540		1640		1680
	H	mm	3215		3800		3850		3850
Distance Between Foundation Bolts	F×B	mm	1665		2020		2100		2140
	L×R	mm	1140		1360		1460		1500
Motor	Power	Kw	15		18.5		22		30
Weight(Approximate)		Kg	13600		19200		23200		26600

Machine details: