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Metric Guide Units

STEINEL guide units are highly precise and, with loading capacities of up to 8,750 N/cm for roller guides, they are highly resilient. Number of strokes up to 800 strokes for bronze-coated sliding guides and sliding speeds of max. 40 m/min for ball guides guarantee maximum productivity.

All of STEINEL's ball and roller guides are pre-loaded and absolutely free of clearance. Using precision steel balls and profile rollers of the same sort guarantees top precision. Thanks to fixed sizes, ball and roller cages are freely interchangeable in one and the same guide.

For high force absorption, we rely on a high density of load-bearing balls or rollers. In the case of uniform force distribution, individual ball and roller rows are offset against each other.

Cylinder 10000 daN ST 8841-1-100, ST 8841-2-100, ST 8841-3-100

Description

Order No. ST 8841-1-100 Order No. ST 8841-2-100 Order No. ST 8841-3-100
DesignationStroke mmGH T TP H GP GH T TP H GP GH T TP H GP
006 6.0 20.0 54.5 57.5 28.0 27.0
010 10.0 20.0 58.5 61.5 32.0 27.0
015 15.0 20.0 63.5 66.5 37.0 27.0
020 20.0 20.0 68.5 71.5 42.0 27.0
025 25.0 66.5 27.0 30.0 93.5 30.0 62.5 31.0 34.0 89.5 30.0 20.0 73.5 76.5 47.0 27.0
038 38.0 79.5 27.0 30.0 119.5 30.0 62.5 44.0 47.0 102.5 30.0
050 50.0 91.5 27.0 30.0 143.5 30.0 62.5 56.0 59.0 114.5 30.0
075 75.0 116.5 27.0 30.0 193.5 30.0 62.5 81.0 84.0 139.5 30.0
100 100.0 141.5 27.0 30.0 243.5 30.0 62.5 106.0 109.0 164.5 30.0
150 150.0 191.5 27.0 30.0 343.5 30.0 62.5 156.0 159.0 214.5 30.0

Order example 1: Manifold cylinder Variant 2 (10000 daN) with a stroke of 100 mm Order number: ST 8841-2-100 x 100

Further dimensions/details:

  • Housing outer diameter = 146 mm
  • Piston rod outer diameter = 50 mm
  • Screw-in thread = M130 x 2
  • Minimum bore Ø under M130 x 2 = 127 mm
  • d = 12 mm
  • Pmin (Steel) = 16 mm Pmin (Aluminium) = 18 mm
  • Piston active surface = 94.98 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 x piston active surface e.g. 6000 daN ÷ 94.98 cm² = 63.171194 bar ~ 63,0 bar These examples are based on one cylinder each of the type ST 8841-1-100, ST 8841-2-100 or ST 8841-3-100

b) Calculating initial force:

The initial force is calculated by multiplying the piston active surface (94.98 cm²) with the fi lling pressure. Initial force = piston active surface x fi lling pressure e.g. 94.98 cm² x 120 bar = 11397.6 daN

Order example 2: Manifold cylinder Variant 3 (10000 daN) with a stroke of 20 mm Order number: ST 8841-3-100 x 020

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