Hydraulic Triple-Action Head Press

Hydraulic Triple-Action Head Press

Total ram force
in single action mode 20.000 kN
Ram force with 3 cylinders: 12.000 kN
Ram force with 2 cylinders: 8.000 kN
Upper blank holder force (4 x 2.000 kN) 8.000 kN

Ram stroke 1.750 mm

Upper blank holder stroke 1.250 + 500 mm

Distance between moving bolster and ram:

Stroke up: 2.800 mm
Stroke down: 1.050 mm

Table size + Upper blank holder size:
4.500 x 2.500 mm
Ram size: 3.650 x 1.650 mm

Distance between uprights: approx. 4.530 mm

Lateral opening in the uprights:
Height above moving bolster approx. 2.500 mm
Width 2.600 mm

Moving bolster height above floor: approx. 550 mm

Total height above floor: approx. 8.900 mm

Installed capacity for main drive:
3 x 200 kW = 600kW
Total capacity installed: approx. 735 kW

Ram speeds:

Fast downward speed approx. 750 mm/s
Return speed approx. 550 mm/s

With 2 ram cylinders (Triple-Action and Single-
Action mode)
Working speed max. up to 2.600 kN approx. 168 mm/s
Working speed max. at 8.000 kN approx. 52 mm/s

With 3 ram cylinders (Triple-Action and Single-
Action mode)
Working speed max. up to 4,000 kN approx. 112 mm/s
Working speed max. at 12,000 kN approx. 36 mm/s
With 3 ram cylinders and 4 blankholder cyl.
(Single-Action mode only)
Working speed max. up to 6,000 kN approx. 68 mm/s
Working speed max. at 20,000 kN approx. 22 mm/

The return speed is calculated with a max. upper die weight of 17,5 to.
Die-height (closed) max. 1.600 mm
(according to Stola's information) min. 1.050 mm

1 Hydraulic 8-point drawing cushion in the press bed

Drawing cushion force (8 x 750 kN) 6,000 kN

Drawing cushion stroke 320 mm
Size of drawing cushion table 3.680 x 2.030 mm

Distance of pin rows has to be discussed
Diameter of cushion pins has to be discussed

2 Moving bolsters exit to left / right

Bolster size: 4.500 x 2.500 mm
Height of the bolsters above floor: 550 mm
Traveling speed: approx. 1,5 – 6 m/min
Admissible load approx. 50 to