Electro-Hydraulic Press Brake

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Introduction

The electro-hydraulic press brake is designed for sheet metal bending, with various color options to choose from. The main machine is of all steel welded construction and has been through vibration treatment to relieve stress. Driven by a hydraulic system, this sheet metal bender uses imported OMG hydraulic valves providing, stable performance and long service life. Lead time for bulk order is usually 30 days. A certain number of finished products are kept in stock, so as to meet the requirements of rush orders.

Features of Electro-Hydraulic Press Brake
1. The frame of the press brake has been machined in one pass by the CNC floor-standing boring and milling machine, which guarantees parallelism and perpendicularity of every fitting surface.
2. Mounted on the baseplates at both sides of the machine, the oil cylinders drive the slide (or ram) to move up and down.
3. The back gauge distance and ram stroke are displayed on the screen, and can be controlled intelligently. A special device may be used to finely adjust the distance and stroke.
4. During the ram stroke, the operator is able to control its initial synchronization through a torque shaft. The final position of the ram is determined by the bearing block of the ball screw installed within the cylinder. Hence, the press brake performs superbly in synchronization precision and resistance to eccentric load.
5. To adjust the downward stroke, the ordinary motor may drive the ball screw shaft within the cylinder to rotate, enabling the bearing block to move up and down along the shaft. In this way, the press brake realizes causal bending. The E10 electronic counter on the right side of the machine is applied to display the actual stroke of the ram (slide). The ram stroke is adjusted by the bearing block, so as to control the return stroke of the block, improving production efficiency.
6. Its upper die adjustment device is used for compensating the deformation of slide (or ram) and workbench in operation. The operator ought to adjust this device in line with different working conditions, so as to make sure the deformation curves of block and workbench are close to each other, which increases bending precision.
7. With the help of the electro hydraulic control system, the sliding blocks are able to decrease rapidly or slowly, return quickly, move up or down through jog, or stop halfway. The press brake can be operated by hands or through the pedal.
8. The cylinders adopt high-quality VALQUA sealing elements. The hydraulic pipeline is composed of the phosphate-coated tubes and plumbing ferrules, which helps to minimize hydraulic oil pollution.
9. This sheet metal forming machine is equipped with an electrical cabinet power switch and a mechanical interlocking device. Once the door of the cabinet is opened, the machine will automatically power off, ensuring personnel security during operation and maintenance.
10. The press brake is available with different CNC system in accordance with your needs.

Press Brake CNC System

Technical Parameters

V		4	6	8	10	12	14	16	18	20	24	28	32	36	40	45	50	55	60	65	70	80	90	100	120
B		2.8	4	5.5	7	8.5	10	11	12.5	14	17	20	22	25	28	31	35	38	42	46	49	56	63	70	85
		0.7	1	1.3	1.6	2	2.3	2.6	3	3.3	3.8	4.5	5	6	6.5	7	8	9	10	10.5	11	13	14	16	19
S	0.5	40	30
	0.6	60	40	30	30										This table is calculated in line with the tensile strength of plate. σb: 450N/mm Length: 1m When different kinds of plate with diverse length is bent, the force can be obtained according to the proportion.
	0.8		70	50	40	30
	1		110	80	70	60
	1.2			120	100	80	70	60
	1.5				150	120	110	90	80
	2					220	190	170	150	130	110
	2.5							250	220	200	170	150	130
	3								330	290	250	210	180	160
	3.5									400	330	290	250	220	200
	4										440	370	330	290	260	230	210
	4.5											470	410	370	330	300	270	240
	5												510	450	400	360	330	300	270	250
	6															520	470	430	390	360	340	300
	8																		700	640	600	520	460	420
	10																					810	720	650
	12																							950	780
	14																							1300	1100

Note: If there is no special requirement for the angle “R”, the groove width “V” should be 8-10 times of plate thickness "S".

Specification and model	Normal force	Operating platform length	Distance between columns	Slide block stroke	Throat depth	Main motor power
WC67Y-40/2000	400	2000	1590	100	200	5.5
WC67Y-40/2200	400	2200	1590	100	200	5.5
WC67Y-40/2500	400	2500	2090	100	200	5.5
WC67Y-50/2500	500	2500	1900	120	250	5.5
WC67Y-50/3200	500	3200	2600	120	250	5.5
WC67Y-63/2500	630	2500	2050	100	250	5.5
WC67Y-63/3200	630	3200	2600	100	250	5.5
WC67Y-80/3200	800	3200	2600	100	250	7.5
WC67Y-80/4000	800	4000	3200	100	250	7.5
WC67Y-100/2500	1000	2500	1900	120	320	7.5
WC67Y-100/3200	1000	3200	2600	120	320	7.5
WC67Y-100/4000	1000	4000	3200	120	320	7.5
WC67Y-100/5000	1000	5000	4000	120	320	7.5
WC67Y-125/2500	1250	2500	2050	130	320	7.5
WC67Y-125/3200	1250	3200	2600	130	320	7.5
WC67Y-125/4000	1250	4000	3200	130	320	7.5
WC67Y-125/5000	1250	5000	4000	120	320	7.5
WC67Y-160/3200	1600	3200	2600	200	320	11
WC67Y-160/4000	1600	4000	3200	200	320	11
WC67Y-160/5000	1600	5000	4000	200	320	15
WC67Y-160/6000	1600	6000	4800	200	320	15
WC67Y-200/3200	2000	3200	2600	200	320	15
WC67Y-200/4000	2000	4000	3200	200	320	15
WC67Y-200/5000	2000	5000	4000	200	320	15
WC67Y-200/6000	2000	6000	4800	200	320	15
WC67Y-250/3200	2500	3200	2600	250	400	18.5
WC67Y-250/4000	2500	4000	3200	250	400	18.5
WC67Y-250/5000	2500	5000	4000	250	400	18.5
WC67Y-250/6000	2500	6000	4800	250	400	18.5
WC67Y-300/3200	3000	3200	2600	250	400	22
WC67Y-300/4000	3000	4000	3200	250	400	22
WC67Y-300/5000	3000	5000	4000	250	400	22
WC67Y-300/6000	3000	6000	4800	250	400	22
WC67Y-400/4000	4000	4000	3200	320	400	22
WC67Y-400/5000	4000	5000	4000	320	400	22
WC67Y-400/6000	4000	6000	4800	320	400	22
WC67Y-500/6000	5000	6000	4800	320	400	37
WC67Y-600/7000	6000	7000	5600	320	400	45
WC67Y-700/7000	7000	7000	5600	320	400	45
WC67Y-800/6000	8000	6000	4800	400	500	55
WC67Y-1000/6000	10000	6000	4600	500	600	75

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