News / Events>Latest news>Stopper cylinders

4 stopper cylinders
Bottle of water packaging
handling robot
automated conveyance line
car industry

For more information, please contact:
ASCO Numatics
32, avenue Albert 1er
92506 Rueil Malmaison Cedex
France
Tel: + 33 (0)1 47 14 32 00
Fax: + 33 (0)1 47 08 53 85

Stopper cylinders with trunnion-type or roller-type rod end
Ĝ 20 to 80 mm

Applications

The compact stopper cylinders have been designed for stopping loads in conveyance applications:

  • Excellent resistance to radial loads
  • Compact cylinder

They are mainly used for applications in the following industries:

  • Packaging
  • Handling
  • Transfer
  • Car industry
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A convenient construction

Stopper cylinder with trunnion-type rod end

Trunnion-type version

Stopper cylinder with roller-type rod end

Roller-type version

1

Rod end
trunnion-type or roller-type with anti-rotation device

2

Sturdy design
Oversized rod diameter and bearing

3

Aesthetic design
Cylinder with profiled barrel made of hard-anodised aluminium

4

T-slot grooves
on 3 sides for magnetic position detectors

5

Connections
at front and rear ends

Mounting

Front plate or ISO 21282 and 15552 mountings on rear end

Mounting plate on trunnion-type stopper cylinder Mounting plate on roller-type stopper cylinder

Roller-type version

Anti-rotation device

anti-rotation device
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Operating principle

Trunnion-type version

Operating principle with trunniion-type rod end - 1 Operating principle with trunniion-type rod end - 2 Operating principle with trunniion-type rod end - 3
Control of load carrier by use of protruding rod Pressure is applied to release the load carrier and hold the rod in the retracted position until the load carrier has passed the piston rod The piston rod returns to the initial position by spring force and air pressure to stop the next carrier load

Roller-type version

Operating principle with roller-type rod end 1 Operating principle with roller-type rod end 2 Operating principle with roller-type rod end 3 Operating principle with roller-type rod end 4
Control of moving load using protruding rod Pressure is applied to release the moving load The rod extends by spring force and air pressure until the roller contacts the moving load allowing it to roll on After the load carrier has passed, the rod returns to the initial position to stop the next moving load
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Features

  • Compactness
    Ideal for implementation in areas with limited space
  • Stop load in the event of pressure failure
    Installation safety: spring return for rod out
  • Sturdiness
    Front plate made of steel
  • Easy mounting
    Rear end standard fittings ISO 21287 (Ĝ 20 mm) and ISO 15552 (Ĝ 32 to 80 mm) compatibility
  • Excellent resistance to radial loads
    Wide section of the rod and reinforced bearings
  • Flexibility of use for magnetic detection
    T-slot and/or dovetail grooves on different sides of the cylinder
  • Standard position of grooves

    Axes of the pressure supply ports

    3D view of a stopper cylinder

    Ĝ 20-32 mm
    3 T-slot grooves
    1 dovetail groove

    3 T-slot grooves on barrel

    Ĝ 50 mm
    5 T-slot grooves
    1 dovetail groove

    5 T-slot grooves on barrel

    Ĝ 80 mm
    4 T-slot grooves
    4 dovetail grooves

    4 T-slot grooves on barrel
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Main characteristics

  • Double acting cylinders with spring return for rod out
  • Ĝ 20, 32, 50 and 80 mm
  • 15, 20, 30 and 40 mm stroke depending on the cylinder diameter and the rod type
  • Operating pressure 1.5 to max. 10 bar ? T° -20°C to + 70°C
  • Max. speed 0.5 m/s
  • Options : front plates, ATEX versions for Gas and Dusts (zones 1-21) ?
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Documentation