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Motion Control
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Basic Types
TYPESStroke inchCompression force min. lbsCompression force max. lbs


For precision adjustment of feed rates

Compression force 6.74 lbs to 787 lbs
Stroke 0.59 in to 4.92 in

Precise adjustment for any type of application: Hydraulic feed controls of the product family VC are ideally suited for the precise tuning of constant feed rates. The thread of the outer body of this closed hydraulic element allows simple assembly. Smooth outer bodies can also be supplied.

As the hydraulic oil is forced out through the throttle opening, a constant feed rate is achieved on the stroke. In the models up to 2.17" (55 mm) stroke, the tried and tested rolling diaphragm, known from ACE shock absorbers, serves as a dynamic seal, as volume compensation of the piston rod and as a reset element.

Precision hydraulic feed controls of the product family VC are used in automotive and industrial applications as well as in mechanical engineering and the electronics industry.
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Technical Data

Compression force 6.74 lbs to 787 lbs

Stroke 0.59 in to 4.92 in

Piston rod diameter Ø 0.31 in

Feed rate/Compression force Min. 0.51 in/min. with 90 lbs; Max. 1,500 in/min. with 787 lbs

Impact velocity range At speeds of 0.98 ft/sec the maximum allowed energy is approx. 8.85 in-lbs for units up to 2.16 in stroke and approx. 17.70 in-lbs for units 2.95 in to 4.92 in stroke. Where higher energies occur use a shock absorber for the initial impact. Avoid high impact velocities.

Adjustment Infinitely adjustable

Positive stop External positive stops 0.04 in to 0.06 in before the end of stroke provided by the customer.

Damping medium Oil, temperature stable

Material Outer body: Black anodized aluminium; Piston rod: Hard chrome plated steel; Accessories: Steel with black oxide finish or nitride hardened

Mounting In any position

Operating temperature range 32 °F to 140 °F


Nylon button can be fitted onto piston rod. Unit may be mounted in any position.

Safety information

Do not rotate piston rod, if excessive rotation force is applied rolling seal may rupture. External materials in the surrounding area can attack the seal components and lead to a shorter service life. Please contact ACE for appropriate solution suggestions.

On request

Special oil and other special options available on request.

Application Examples

VC25 handbike wheelchairs
VC25 handbike wheelchairs
Die speziellen Handbike-Rollstühle haben schon bei regennassen Straßen Probleme in den Kurven. Um auf Eis nicht nur auf den Geraden Tempo machen zu können, entwickelte ein Niederländer seine Sonderkonstruktion weiter. Mit Gasfedern konnte er früher 14 km/h in der Kurve fahren. Mit einer gasbefüllten Ölbremse erhöhte sich diese Geschwindigkeit um 50 Prozent. Dies liegt an der ...

Application Areas

  • Handhabungsmodule
  • Linearschlitten
  • Automaten
  • Fördereinrichtungen
  • Dämpfungsregulierung
Zum Einsatz kommen die Vorschub-Ölbremsen der Produktfamilie VC in industriellen und Automotive-Anwendungen oder auch im Maschinenbau und der Elektronikindustrie.

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