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UPB Series Heavy-Duty CNC Bending Machine

The main drive motor adopts servo control technology, achieving an energy-saving rate of over 40% compared with traditional asynchronous motor configurations. The machine frame is optimized through finite element analysis (FEA), delivering superior rigidity and structural strength.

As a standard configuration, the mechanical deflection automatic compensation system effectively eliminates workpiece angle deviations caused by frame and slider deformation during the bending process. Equipped with the German Rexroth full-closed-loop electro-hydraulic servo synchronization control system, the high-frequency valve group ensures rapid response, endowing the machine tool with exceptional stability and precision even under high-speed operation.

An integrated pressure sensor enables stable pressure output, significantly reducing the failure rate of the hydraulic pump. The expanded throat depth, closed height, and slider stroke enhance the machine's adaptability for processing large workpieces.

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Bending Machine Press Brake CNC Bending Machine hydraulic bending machine

Product Description

Main Technical Parameters Table of UPB Series Heavy-Duty CNC Bending Machine

Category	Parameter	Unit	320/5000	320/6000	400/3200	400/4100	400/5000	400/6000	500/4100	500/5000	500/6000	600/5000	600/6000
Basic Parameters	Nominal force	KN	3200	3200	4000	4000	4000	4000	5000	5000	5000	6000	6000
	Bending Length	mm	5000	6000	3200	4100	5000	6000	4100	5000	6000	5000	6000
	Column spacing	mm	4400	5100	2700	3600	4400	5100	3600	4400	5100	4400	5100
	Closed altitude	mm	580	580	580(680)	580(680)	580	580	580(680)	580	580	580	580
	Throat depth	mm	405	405	405	405	405	405	500	500	500	500	500
	Main motor power	Kw	22	22	30	30	30	30	37	37	37	37	37
	Fuel tank capacity	L	700	800	500	600	700	800	600	700	800	700	800
Stroke of each axis	Cylinder stroke	mm	315	315	315	315	315	315	315	315	315	315	315
	X-axis travel	mm	500	500	500	500	500	500	500	500	500	500	500
	R-axis travel	mm	200	200	200	200	200	200	200	200	200	200	200
Efficiency Value	Y-axis downward speed	mm/s	120	120	100	110	110	110	80	80	80	80	80
	Y-axis feed rate	mm/s	9	9	8	8	8	8	7	7	7	7	7
	Y-axis return speed	mm/s	100	100	90	85	85	85	70	70	70	70	70
	X-axis feed rate	mm/s	250	250	400	400	250	250	400	250	250	250	250
	R-axis feed rate	mm/s	200	200	200	200	200	200	200	200	200	200	200
Accuracy Value	Y-axis repeat positioning accuracy	mm	±0.01	±0.01	±0.01	±0.01	±0.01	±0.01	±0.01	±0.01	±0.01	±0.01	±0.01
	X-axis repeat positioning accuracy	mm	±0.02	±0.02	±0.02	±0.02	±0.02	±0.02	±0.02	±0.02	±0.02	±0.02	±0.02
	R-axis repeat positioning accuracy	mm	±0.02	±0.02	±0.02	±0.02	±0.02	±0.02	±0.02	±0.02	±0.02	±0.02	±0.02
	V-axis positioning accuracy	mm	±0.02	±0.02	±0.02	±0.02	±0.02	±0.02	±0.02	±0.02	±0.02	±0.02	±0.02
Overall Dimensions	Length	mm	5500	6500	3750	4650	5500	6500	5100	5800	6800	5950	6800
	Width	mm	2150	2200	2200	2200	2200	2200	2500	2550	2550	2900	2900
	Length	mm	3300	3650	3300	3300	3300	3650	3500	3300	3300	3500	3500

（Default with hydraulic compensation; the dimensions in parentheses are parameters for mechanical compensation. For 320t and above, due to the larger tonnage, asynchronous motors are used. ）