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Manifold Plates

Manifold plates from STEINEL are suitable for high-density tools with high force requirements in a small space.

They consist of multiple nitrogen cylinders and a control panel, which are connected to one another via boreholes in the lower plate. As with tube composite systems, this ensures uniform system pressure and a larger nitrogen volume, resulting in a flatter force curve. Composite plates from STEINEL are particularly compact and reliable.

Cylinder 2500 daN ST 8841-1-025, ST 8841-2-025, ST 8841-3-025

Description

Order No. ST 8841-1-025 Order No. ST 8841-2-025 Order No. ST 8841-3-025
DesignationStroke mmGH T TP H GP GH T TP H GP GH T TP H GP
006 6.0 10.0 34.0 37.0 18.0 18.0
010 10.0 10.0 38.0 41.0 22.0 18.0
015 15.0 10.0 43.0 46.0 27.0 18.0
020 20.0 10.0 48.0 51.0 32.0 18.0
025 25.0 45.8 17.0 20.0 73.5 18.0 40.5 22.3 25.3 67.0 18.0 10.0 53.0 56.0 37.0 18.0
038 38.0 58.8 17.0 20.0 99.5 18.0 40.5 35.3 38.3 80.0 18.0
050 50.0 70.8 17.0 20.0 123.5 18.0 40.5 47.3 50.3 92.0 18.0
075 75.0 95.8 17.0 20.0 173.5 18.0 40.5 72.3 75.3 117.0 18.0
100 100.0 120.8 17.0 20.0 223.5 18.0 40.5 97.3 100.3 142.0 18.0
150 150.0 170.8 17.0 20.0 323.5 18.0 40.5 147.3 150.3 192.0 18.0

Order example 1: Manifold cylinder variant 3 (2500 daN) with a stroke of 25 mm Order number: ST 8841-3-025 x 025

Further dimensions/details:

  • Housing outer diameter = 70 mm
  • Piston rod outer diameter = 28 mm
  • Screw-in thread = M64 x 2
  • Minimum bore Ø under M64 x 2 = 61 mm
  • d = 6 mm
  • Pmin (Steel) = 10 mm Pmin (Aluminium) = 12 mm
  • Piston active surface Azyl = 22.8906 cm²
  • Minimum filling pressure = 40 bar
  • Maximum filling pressure = 150 bar

Key:

  • d = Minimum connecting hole diameter
  • D1 = Minimum bore Ø
  • G = Thread length housing
  • GH = Case height
  • GP = Minimum depth of thread cylinder mounting hole
  • H = Overall height, piston extended
  • Hub = Maximum usable stroke
  • KD = Piston rod outer diameter
  • Pmin = Minimum distance to the next interfering contour
  • T = Installation depth housing
  • TP = Minimum borehole depth cylinder mounting hole

Filing pressure-depending initial forces

The end forces are a maximum of 20% higher, depending on the pressure increase and/or the available volume.

a) Required filling pressure:

The required filling pressure is calculated as follows: Filling pressure = Requested force ÷ Piston active surface e.g. 3000 daN ÷ 22.8906 cm² = 131.05816 bar ~ 131 bar These examples are based on one cylinder each of the type ST 8841-1-025, ST 8841-2-025 or ST 8841-3-025

b) Calculating initial force:

The initial force is calculated by multiplying the piston active surface (22.8906 cm²) with the filling pressure. Initial force = Piston active surface x Filling pressure e.g. 22.8906 cm² x 120 bar = 2746.872 daN

Order example 2: Manifold cylinder variant 2 (2500 daN) with a stroke of 38 mm Order number: ST 8841-2-025 x 038

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