JH21A open single axis steel frame press machine

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　　Structure and characteristics:

　　The JH21A series open fixed table press is developed and produced by our company (formerly Shanghai Second Forging Machine Tool Factory) by introducing advanced technology from both domestic and foreign sources

　　The universal single axis high-performance press machine has a more complete product structure and has become an increasing production and sales force

　　The product is suitable for various stamping process lines such as automated wiring and peripheral product combination punching, material dropping, etc.

　　Performance characteristics:

　　1. The electrical system adopts a human-machine interface, controlled by the Japanese Omron programmable logic controller (PLC),

　　Touchscreen is a leading domestic brand of "Weilun", and the machine tool operates with variable speed drives. The machine tool has emergency stop

　　Inching, single and continuous, pre fabricated counting and peripheral equipment connection work operation modes; main

　　All electrical components are from the French brand Schneider, with reliable performance.

　　2. The clutch dual valve is selected from the Japanese brand "TACO", and the pneumatic two-piece is from the "Yadeke" brand,

　　Reliable performance. 3. The body is made of high-quality steel plate CNC cutting and CO2 welded structure, with good overall rigidity and beautiful appearance;

　　The body adopts trolley type electric furnace annealing or vibration aging methods to remove stress, with minimal deformation. The crankshaft is placed longitudinally,

　　Short pivot distance, compact structure, and reasonable layout. The transmission gear operates immersed in oil in the gearbox, as indicated by the gear gauge

　　Surface grinding treatment results in low noise and minimal wear during transmission operation.

　　4. Pneumatic friction clutch brake, mechanical interlocking, safe and reliable, low noise, and friction plates are not easily worn; Choose domestic Shanghai "Dingjie" brand clutch or Italian "OMPI" brand clutch; And provide wet clutches according to the special needs of users.

　　5. Select imported pneumatic external hydraulic overload pump, which has sensitive response, good stability, and easy maintenance.

　　6. The slider guide rail adopts six sided guidance, with a long guide rail and high operating accuracy.

　　7. The lubrication system adopts imported electric grease pump for automatic fixed-point lubrication, and is equipped with a progressive distributor for oil supply

　　The time and fuel supply are controlled by the PLC system, and automatic alarm indication is given for oil circuit blockage.

　　8. The slider mold height adjustment is convenient to use, and it is equipped with a digital mold height indicator with a display accuracy of+0.1mm.

　　(Note: Manual adjustment for JH21B-60 and below, electric adjustment for JH21B-80 and above).

　　Main technical parameters of JH21A open single axis steel frame press machine

Specification/Model	JH21B-25		JH21B-45		JH21B-60		JH21B-80		JH21B-110		JH21B-160		JH21B-200		JH21B-260
	V型	H型	V型	H型	V型	H型	V型	H型	V型	H型	V型	H型	V型	H型	V型	H型
tonnage（T）	25		45		60		80		110		160		200		260
Location of impulse occurrence（mm）	3.2	1.6	3.2	1.6	4	2	4	2	6	3	6	3	6	3	7	3.5
Variable speed per minute s.p.c	60-140	130-200	40-100	110-150	35-90	80-120	35-80	80-120	30-60	60-90	20-50	40-70	20-50	50-70	20-40	40-50
Fixed speed for the number of trips s.p.c	140	200	100	150	90	120	80	120	60	90	50	70	50	70	40	50
trip（mm）	60	30	80	50	120	60	150	70	180	80	200	90	200	100	250	150
Maximum closed working height mm	200	215	250	265	310	340	340	380	360	410	460	510	460	510	500	550
Adjustment number of lubrication block mm	50		60		75		80		80		100		110		120
Size of the upper workbench（mm）	30022050		40030060		50036070		56042070		65047080		70055090		85063090		950700100
Lower workbench size（mm）	68030070		85044080		90050080		100055090		1000600110		1250800140		1400820160		1500840180
Handle hole（mm）	38.1		38.1		50		50		50		65		65		65
main motor（KW）	2.2-4P		4-4P		5.5-4P		7.5-4P		11-4P		15-4P		18.5-4P		22-4P
Slider adjustment mechanism（HP）	手動(dòng)						電動(dòng)
Use air pressure kg/cm	6		6		6		6		6		6		6		6
Punching accuracy	GB(JIS)1class一級(jí)
Length * Width * Degree mm	1280850 2200		1600950 2500		16001000 2800		18001180 2800		19001300 3200		23001400 3800		26151690 4075		27801850 4470
weight（T）	2.1		3.8		5.6		6.5		9.6		16		23		32
Mold cushion capability（T）			2.3		3.6		3.6		6.3		10		14		14
Mold cushion has a long stroke（mm）			50		70		70		80		80		100		100
Effective area of mold pad（mm）			300*230		350*300		450*310		500*350		650*420		710*480		810*480

　　Standard configuration:

　　Dry clutch, hydraulic overload protection device, electric grease lubrication device, manual thin oil lubrication device, slider and upper mold balance device, electronic crankshaft angle indicator

　　Cam controller, electric slider adjustment device, air source quick connector, programmable controller, slider upper material removal device, touch screen shock-absorbing pad, air blowing, dual solenoid valve

　　Selection configuration: (User selection should be specified in the contract)

　　Wet clutch brake, pneumatic mold pad device, photoelectric safety device, quick mold changing device, foot switch, automatic feeding output shaft, speed regulating motor, variable frequency speed regulation

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