Umformpresse

Hidralmac Viersäulenpresse

Pressure: 500 t
Passage width: 2100 x 1500 mm
Stroke: 1000 mm
Total power requirement: 62 kW
Approx. machine weight: 39 t
Dimensions (L x W x H): 5100 x 2800 x 4040 mm
Retraction force: 40 t
Main cylinders: 2 units
Column diameter (main cylinders): 360 mm
Table size: 2100 x 1500 mm with T-slot
Ram size: 2100 x 1500 mm
Table height above floor approx.: 850 mm
Approach speed: 300 mm/sec
Return speed: 300 mm/sec (with 20T ram weight)
Pressing speed: 200T = 28 mm/sec
Oil tank: approx. 1000 l
Auxiliary cylinders: 2 units
Column diameter (auxiliary cylinders): 120 mm
Total table plate size: approx. 2750 x 1600 mm
Total ram plate size: approx. 2750 x 1600 mm
Pressing speed: 300T = 20 mm/sec
Pressing speed: 500T = 6 mm/sec
Ram retraction force: 40 t
Control circuit voltage: 24 V
Voltage: 400 V
Frequency: 50 Hz
Axial piston pump (REXROTH/Bosch A4VSO125): 290 l/min
Installation height (distance worktable – ram plate): 1500 mm
Hydraulic manifold: REXROTH
Pressure control: via PLC (minimum pressure 50T)
Cylinders: 4 x ?90 x 70 mm
Stroke length: 300 mm, adjustable via PLC
Ejector, approach speed: 95 mm/sec
Ejector, return speed: 240 mm/sec
Capacity: 4 x 15T at 250 bar
Pressure setting: via monitor from 50-500T
Pressure holding time: 0-900 sec
Hydraulic tank: 2000 l
Control system: Siemens S7 300
Storage capacity: 200 programs
Electronics by German manufacturers: SIEMENS/MÖLLER
Control panel: on swivel arm
Sick light sensors: 1500 mm at front side

Control function:

The linear scale provides the control system with the position of the ram and the ejectors at all times. The travel path, the upper stop, and the switching point (where the press switches from rapid traverse to working speed) as well as the target end position can be easily and quickly entered via the monitor controls.
Working speed can be set in increments of 1 mm/sec from 0 to 10 mm/sec and in increments of 10 mm from 10 to 300 mm/sec.
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Additionally, the machine is equipped with pressure monitoring, which can either retract the ram as soon as the desired pressure is reached or maintain the pressure for the pre-set time (with 5% tolerance) and then open.
The control system monitors the protected areas, all hydraulics, the pumps, and the temperature.
It also monitors the parallelism of the main cylinders and compensates for unilateral overload.
The control system is housed in a separate control cabinet.
Operation of the press is via a control panel mounted on a swivel arm, reducing operator movement.

Additional equipment:

Polycarbonate glass 8 mm, inside at rear door
Polycarbonate glass 8 mm, at side doors and within the working area
Liquid run-off channel, 25 mm radius, at front, rear, and sides of the table

Special features of the press:

Including 10% reserve (max. capacity 550 t)
Steel quality: Stainless steel LCG ASTM A36, manufactured according to DIN 8651
Motor and pump switch off as soon as the tool is closed and automatically recalibrate at 5% pressure drop (significant cost savings)

Nitrogen compression system:
Supplied with a nitrogen compression unit that can generate a sudden pressure of 280 bar and can be switched on and off as needed.

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