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Motion Control
Product families
Basic Types
TYPESStroke inchCompression force min. lbsCompression force max. lbs
VC2515FT0.596.74787
VC2530FT1.186.74787
VC2555FT2.167.87787
VC2575FT2.9511.24787
VC25100FT3.9413.49787
VC25125FT4.9215.74787

VC25125FT

For precision adjustment of feed rates

Adjustable
Compression force max. 787 lbs
Stroke 4.92 inch

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.
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CAD Drawings

Product-Downloads

VC25125FT
Adjustable

Dimensions

VC25125FT
Stroke4.92 inch
A13.13 inch
B5.90 inch
MM25x1.5 inch

Technical Data

Compression force min. 15.74 lbs

Compression force max. 787 lbs

Return Force min. 2.25 lbs

Return Force max. 13.49 lbs

Return Time 2.8 s

Side Load Angle max. 1 °

Compression force 6.74 lbs to 787 lbs lbs

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

Mounting In any position

Operating temperature range 32 °F to 140 °F

Note

Nylon button PP600 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.

General information

Application Examples

VC25 handbike wheelchairs
VC25 handbike wheelchairs
The specially-designed handbike wheelchairs experience problems on bends as soon as roads are wet from rain. In order to make speed achievable on ice and not just when travelling in straight lines, a Dutchman developed a special construction. By using gas springs he was able to achieve speeds of 14 km/h on bends. With a gas-filled feed control this speed increased by 50 percent. This is made ...

Application Areas

  • Handling modules
  • Linear slides
  • Automatic machinery
  • Conveyor equipment
  • Absorption control
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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