Airtac ACA Standard Automatic Compensation Hydraulic Shock Absorber ACA2550-3
2. Monolithic structure withstands extreme pressure; Fully threaded external housing facilitates installation and adjustment while maintaining superior heat dissipation.
3. High-hardness stainless steel spindle enhances impact resistance and corrosion resistance, ensuring reliable operation in harsh operating conditions.
4. Specialized oil-injection technology ensures consistent damping performance and operational stability.
5. Compact profile design with industry-leading energy absorption capacity.
6. Proprietary lubricant as damping medium delivers stable buffering performance across wide temperature ranges (-20°C to +80°C).
Category: Hydraulic Shock Absorbers | Brand: AirTAC | Series: ACA Self-Compensating
AirTAC ACA2550-3 Self-Compensating Hydraulic Shock Absorber Specifications
- Model: ACA2550-3
- Type: Standard automatic compensation oil hydraulic damper
- Maximum impact energy: 13.5 J
- Effective stroke: 50 mm
- Maximum impact speed: 2.5 m/s
- Piston rod diameter: Ø25 mm
- Outer cylinder diameter: Ø50 mm
- Installation hole spacing: 62 mm (standard)
- Maximum allowable moment: 1,800 N·m
- Operating temperature: -10℃ to 80℃
- Housing material: Aluminum alloy (surface anodized)
- Piston rod material: Chrome-plated steel
- Weight: 2.85 kg (with oil)
- Dimensions: 255mm(L) × 50mm(W) × 50mm(H) (cylinder body: 180mm)
- Oil capacity: 185 ml (ISO VG32 hydraulic oil)
- Return time: ≤1.5 seconds (after full compression)
- Protection class: IP65 (dust-tight & low-pressure water jet resistant)
The ACA2550-3 features automatic viscosity compensation technology that maintains consistent damping performance across temperature variations (-10℃~80℃). Its dual-seal structure with integrated wiper prevents oil leakage and contamination. The chrome-plated piston rod and hardened guide sleeve ensure over 1 million impact cycles. Includes adjustable cushioning force via hex wrench (M6 adjustment screw).
- High-speed punching machine rams (200-400 SPM)
- Robotic arm end-effector impact absorption
- Die-casting machine ejection mechanisms
- Automated warehouse stacker cranes
- CNC tool changer positioning buffers
Installation protocol:
Mount vertically with arrow mark facing impact direction. Allow 20mm free space
behind buffer for oil expansion. Perform 10-15 test strokes before full operation.
Relubricate every 500,000 cycles (use AirTAC HLP-32 oil).
| Property | Property Value |
|---|---|
| sku | ACA2550-3 |
| External Thread | M25 |
| Stroke | <50mm> |
| Speed Code | Low Speed (Heavy Load) |
| Bumper Cap Code | Plastic Bumper Cap |
Returns will be accepted for up to 15 days of Customer’s receipt or tracking number on Not used items. You, as a Customer, are obliged to inform us via email before you return the item, only in the case of:
- Received the wrong item.
- Item arrived not as expected (ie. damaged packaging).
- Item had defects.
- Over delivery time.
- The shipper does not allow the goods to be inspected before payment.
The returned product(s) must be in the original packaging, safety wrapped, undamaged and unworn. This means that the item(s) must be safely packed in a carton box for protection during transport, possibly the same carton used to ship to you as a customer.