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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 3500 daN ST 8841-1-035, ST 8841-2-035, ST 8841-3-035

Description

Order No. ST 8841-1-035 Order No. ST 8841-2-035 Order No. ST 8841-3-035
DesignationStroke mmGH T TP H GP GH T TP H GP GH T TP H GP
006 6.0 14.0 38.0 41.0 22.0 21.0
010 10.0 14.0 42.0 45.0 26.0 21.0
015 15.0 14.0 47.0 50.0 31.0 21.0
020 20.0 14.0 52.0 55.0 36.0 21.0
025 25.0 56.5 19.5 22.5 83.5 21.0 49.5 26.5 29.5 76.5 21.0 14.0 57.0 60.0 41.0 21.0
038 38.0 69.5 19.5 22.5 109.5 21.0 49.5 39.5 42.5 89.5 21.0
050 50.0 81.5 19.5 22.5 133.5 21.0 49.5 51.5 54.5 101.5 21.0
075 75.0 106.5 19.5 22.5 183.5 21.0 49.5 76.5 79.5 126.5 21.0
100 100.0 131.5 19.5 22.5 233.5 21.0 49.5 101.5 104.5 151.5 21.0
150 150.0 181.5 19.5 22.5 333.5 21.0 49.5 151.5 154.5 201.5 21.0

Order example 1: Manifold cylinder variant 3 (3500 daN) with a stroke of 25 mm Order number: ST 8841-3-035 x 025

Further dimensions/details:

  • Housing outer diameter = 88 mm
  • Piston rod outer diameter = 28 mm
  • Screw-in thread = M80 x 2
  • Minimum bore Ø under M80 x 2 = 77 mm
  • d = 8 mm
  • Pmin (Steel) = 10 mm Pmin (Aluminium) = 12 mm
  • Piston active surface Azyl = 33.16625 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

Filling 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. 4000 daN ÷ 33.16625 cm² = 120.60453 bar ~ 121 bar These examples are based on one cylinder each of the type ST 8841-1-035, ST 8841-2-035 or ST 8841-3-035

b) Calculating initial force:

The initial force is calculated by multiplying the piston active surface (33.16625 cm²) with the filling pressure. Initial force = Piston active surface x Filling pressure e.g. 33.16625 cm² x 120 bar = 3979.95 daN

Order example 2: Manifold cylinder variant 2 (3500 daN) with a stroke of 38 mm Order number: ST 8841-2-035 x 038

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