Regions Select Region United States of America
Automation Control
TYPESEnergy capacity in-lbs/cycleEnergy capacity in-lbs/hEffective weight min. lbsEffective weight max. lbs
MA4525M3,762950,0009522,000
ML4525M3,762950,0006,614242,508
MA4550M7,5231,000,00015032,000
ML4550M7,5231,000,00011,023396,832
MA4575M11,5061,300,00015533,000

MA4550M

High energy absorption and progressive adjustment

Adjustable
Energy capacity 7,523 in-lbs/cycle
Stroke 1.91 inch

Adjustable and unique: These industrial shock absorbers from ACE, which can be precisely adjusted both at the front and rear, also contribute towards the success of the MAGNUM range. Equipped with excellent sealing technology, an annealed guide bearing and integrated positive stop, they are robust and durable.

These dampers absorb 50 % more energy than their predecessors but are built even more compactly. The larger range of effective loads also opens up options in design and assembly. This makes the ML range especially suitable for effective weights of 661 lbs. to 1,102,311 lbs. (300 kg to 500,000 kg). These shocks are the best option wherever application data changes and flexibility is required.

CAD Drawings

Product-Downloads

MA4550M
Adjustable

Dimensions

MA4550M
Stroke1.91 inch
A max.7.69 inch
B max.1.91 inch
L24.72 inch
MM45x1.5 inch
d11.65 inch
d21.38 inch

Technical Data

Energy capacity 7,523 in-lbs/cycle

Energy capacity 1,000,000 in-lbs/h

Energy capacity with oil recirculation 2,200,000 in-lbs/h

Energy capacity with air/oil tank 1,700,000 in-lbs/h

Effective weight min. 150 lbs

Effective weight max. 32,000 lbs

Return Force max. 32.2 lbs

Return Force min. 15.1 lbs

Return Time 0.08 s

Side Load Angle max. 3 °

Impact velocity range MA: 0.5 ft/sec to 16.5 ft/sec. ML: 0.06 ft/sec to 1.5 ft/sec. Other speeds on request.

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

Mounting In any position

Positive stop Integrated

Adjustment Hard impact at the start of stroke, adjust the ring towards 9. Hard impact at the end of stroke, adjust the ring towards 0.

Material Outer body: Nitride hardened steel; Piston rod: Hard chrome plated steel; Rod end button: Hardened steel and corrosion-resistant coating; Return spring: Zinc plated or plastic-coated steel; Accessories: Steel with black oxide finish or nitride hardened

Damping medium Automatic Transmission Fluid (ATF)

Note

A noise reduction of 3 dB to 7 dB is possible when using the special impact button. For emergency use only applications and for continous use (with additional cooling) it is sometimes possible to exceed the published max. capacity ratings. In this case, please consult ACE.

Safety information

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. Do not paint the shock absorbers due to heat emission.

On request

Special oils, nickel-plated, increased corrosion protection, mounting inside air cylinders or other special options are available on request.

General information

Application Examples

ML33-64 - Precision Telescope
ML33-64 - Precision Telescope
ACE industrial shock absorbers offer safety to spare for rotation or braking of a large telescope. The optical system of this telescope for special observations is moveable in two space coordinates. The structure in which the telescope is mounted weighs 33,069 lbs and consists of a turntable with drives and two wheel disks rotating on bearings. It enables a rotation by ±90° from horizon to ...
MA/ML33-64 – MAGNUM helps in the fight against people not buckling up
MA/ML33-64 – MAGNUM helps in the fight against people not buckling up
The Central-Hessian police department has developed an accident simulator with the help of ACE Stoßdämpfer GmbH aimed at significantly increasing the number of road traffic seatbelt wearers. The mobile simulator demonstrates strikingly that the smallest impact velocities lead to enormous forces, even when wearing seat belts, and can cause serious injuries when not. Adjustable MAGNUM type ...

Application Areas

  • Linear slides
  • Swivel units
  • Turntables
  • Portal systems
  • Machines and plants
  • Tool machines
  • Machining centers
  • Z-axes
  • Impact panels
  • Handling modules
These adjustable industrial shock absorbers are used in all areas of industrial, automation and machine engineering, for gantries and integrated in linear carriages or pivoting units.
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