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Safety Products
Basic Types
TYPESEnergy capacity in-lbs/cycleStroke inch


Low reaction forces with long strokes

High Rack Damper, Optimized Characteristic
Energy capacity 310,000 in-lbs/cycle
Stroke 9.84 inch

Slim with a long stroke: safety shock absorbers from the SCS38 to SCS63 product family are designed for emergency-stop applications. Strokes of up to 47.24" (1,200 mm) are possible with these maintenance-free and ready-to-install dampers. Low reaction forces result due to the large strokes.

ACE uses our proprietary custom calculation program to design each shock absorber for the specific customer application. Customization helps reduce the risk of crashes and incorrect product sizing. The characteristic curve or damping characteristics of all safety shock absorbers from ACE are individually designed to the specific customer application. The metering orifices for the applications are specially calculated and produced. These tailor-made machine elements are the ideal protection because they are less expensive than industrial shock absorbers and are effective with up to 1,000 possible full load emergency stops.
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CAD Drawings


High Rack Damper, Optimized Characteristic


Stroke9.84 inch
A max.27.17 inch
B16.54 inch
D15.16 inch
E max.11.32 inch

Technical Data

Energy capacity 310,000 in-lbs/cycle

Reacting Force At max. capacity rating = 18,000 lbs to 47,200 lbs lbs

Return Force min. 225 lbs

Return Force max. 270 lbs

F and S
Side Load Angle max.
4.5 °

Side Load Angle max.
3.5 °

Impact velocity range 2 ft/sec to 15 ft/sec

Operating temperature range 10 °F to 150 °F. Other temperatures on request.

Mounting In any position

Positive stop Integrated

Damping medium Automatic Transmission Fluid (ATF)

Filling pressure Approx. 29 psi. Rod return by integrated nitogen accumulator.


The shock absorber can be pushed through its stroke. In creep speed conditions the shock absorber provides minimal resistance and there is no braking effect.

On request

Special oils, special flanges, additional corrosion protection etc. Integrated rod sensor for indicating the complete extension of the piston rod. Type normally closed or normally open, option PNP or NPN switch.

General information

Application Examples

SCS38-63 End-position damping in 2 axes
SCS38-63 End-position damping in 2 axes
The aim was to protect a driving simulation capsule on two of its eight axes. The demands placed on a potential emergency stopper were high because it was clear that its failure would lead to massive damage to the complete construction as well as to the capsule. Even the possibility of damage to the health of the test personnel could not be ruled out and was taken into consideration in a ...

Application Areas

  • Shelf storage systems
  • Heavy load applications
  • Conveyor systems
  • Conveyor systems
  • Portal systems
  • Test stations
Anyone who wants to reliably protect the end positions of rack operating equipment, conveyor and crane systems, heavy duty applications and test benches chooses these safety shock absorbers from ACE.

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