CNC Electro-hydraulic proportion press brake configuration:
CNC system:
Holland DA52S control 3+1 axes(Y1,Y2,X ,V )
â—‡ Hydraulic system: original Rexroth Germany
◇ Grating ruler: GIVI Italy
◇ Pump: Rexroth, Germany
◇ Electrical element Schneider.
◇ Servo motor and driver: DELTA TAIWAN
â—‡ Toolings: upper tools fast clamping and with compensate, a lower tool with multi V. Segmented tools according to your requirement.
◇ Seal ring: NOK Japan
◇ Front support with table, it can move right and left.
◇ Lower table mechanical crowning mechanism by controlled manual
◇ With safety side doors and back doors
◇ Hydraulic system with security valve, with spool position and manometer
◇ With All Security equipment monitored
◇ With the laser safety device.
Machine features
â—‡ Machine adopt wholly welding structure, the main parts annealing treatment, releasing internal stress.
â—‡ The frame and ram are processed at one time completely by heavy-duty boring and milling machines.
â—‡ Big daylight, high ram speed
â—‡ Ram with fast clamping for up tooling, hydraulic crowning device on a working table
â—‡ Advanced wholly back gauge, X-axis, R axis, Z1 and Z2 with high speed, high precision.
â—‡ Standard configuration DA52S from Holland.
â—‡ Hydraulic system adopts Germany electric-hydraulic proportional system.
Optional
â—‡CNC controlling front supporter
â—‡Multi axises control, Max. 16 axises
â—‡Laser safe protection
â—‡Bending angle automatic detection
â—‡Hydraulic clamp for upper tool
â—‡Mechanical crowning on the working table
◇◇ Special tools
CNC axis CNC axis function
â—‡ Y (Y1 Y2) axis: ram synchronous control axis, controlling bending depth and angle control. axis: ram synchronous control axis, controlling bending depth and angle control.
â—‡X (X1 X2) axis: Control for back gauge front axis: Control for back gauge front–backstroke, using controlling bending flange size backstroke, using controlling bending flange size
â—‡ R (R1 R2) axis: Control for back gauge beam up axis: Control for back gauge beam up–down
â—‡ Z (Z1 Z2) axis: Controlled back gauge finger left axis: Controlled back gauge finger left-right movement. right movement.
◇ V axis: Working table auto–hydraulic crowning control
Simulation model engineering and optimization are with famous ANSYS non–linear software
Main Specifications
No | Name | Unit | Parameter | |
1 | Nominal pressure | KN | 630 | |
2 | Working table length | mm | 3200 | |
4 | Center distance between uprights | mm | 2600 | |
5 | Throat depth | mm | 250 | |
6 | Ram stroke | mm | 120 | |
7 | Max. open height | mm | 380 | |
 8 | Ram speed | No-loading speed | mm/s | 200 |
Working speed | mm/s | 11 | ||
Returning speed | mm/s | 120 | ||
9 | Motor | Power | KW | 5.5 |
10 | CNC system | Type | DA52S | |
CNC axes | axis | Y1,Y2,X,V | ||
Quantity | 1 | 1 | ||
11 | Weight | KGS | 5400 | |
12 | Back-gauge accuracy | mm | ±0.05㎜ | |
13 | X-axis Back-gauge Travel | mm | 600 | |
Back-gauge speed | Mm/s | 300-500 | ||
14 | Work-piece straightness | mm | Â 0.25 /m | |
15 | Bending angle accuracy | (ʹ) |  ±<0.5˚ | |
16 | Sliding Front Arms | Pics | 2 | |
17 | Back-gauge Finger Block | Pics | 4 | |
18 | Crowning System | Mechanical crowing | ||
Safety configuration | ||||
19 | Warning of high oil temperature | â– Yes | â–¡No | |
20 | High oil pressure protection | â– Yes | â–¡No | |
21 | Motor overload protection | â– Yes | â–¡No | |
22 | Laser Safety Protection | â– Yes | â–¡No | |
23 | Left & Right side protection | â– Yes | â–¡No | |
24 | Electricity leakage protection | â– Yes | â–¡No | |
25 | Safety Relay | â– Yes | â–¡No | |
26 | Monitoring and Redundant valves | â– Yes | â–¡No | |
28 | Safety standards | â– UL | â–¡No |