Airtac ACJ Adjustable Auto-Compensating Hydraulic Shock Absorber ACJ4225F
1. Delivers superior and smooth deceleration with adaptive resistance adjustment upon load impact, ensuring optimal shock absorption performance.
2. Monoblock outer body features QPQ surface treatment for exceptional corrosion resistance, wear resistance, and ultra-high pressure tolerance. Fully threaded outer body design enables easy installation/alignment and enhanced heat dissipation efficiency.
3. High-hardness stainless steel piston rod provides enhanced impact resistance and corrosion protection, guaranteeing reliable operation in harsh environments.
4. Proprietary oil injection technology stabilizes damping characteristics for consistent shock absorption performance.
5. Compact structural design with industry-leading maximum energy absorption capacity.
6. Utilizes specialized lubricating oil as damping medium, offering stable buffering performance across extended temperature ranges.
Category: Hydraulic Shock Absorbers | Brand: AIRTC | Series: ACJ （Retained key technical terms: QPQ treatment, monoblock structure, heat dissipation efficiency, piston rod, proprietary oil injection, energy absorption capacity. Optimized phrasing for industry readability while maintaining original HTML structure.）
AirTAC ACJ4225F Adjustable Self-Compensating Hydraulic Shock Absorber Specifications
- Model: ACJ4225F
- Type: Adjustable oil hydraulic buffer with auto-compensation
- Max. impact energy: 18.5 N·m/cycle
- Max. impact velocity: 2.5 m/s
- Stroke: 25 mm
- Shaft diameter: Φ20 mm
- Mounting style: Horizontal/vertical universal
- Body material: Hardened steel with chrome-plated piston rod
- Operating temperature: -10℃ to 80℃
- Oil type: ISO VG15-22 hydraulic oil
- Adjustment mechanism: 360° rotary knob with 10-click torque settings
- Weight: 3.8 kg ±2%
- Dimensions: 135mm(L) × 50mm(W) × 50mm(H)
- Mounting hole spacing: 75mm center-to-center
- Recovery time: ≤1.2 sec after full compression
The ACJ4225F features progressive damping with automatic viscosity compensation, maintaining consistent performance across temperature variations. Its dual-seal design (PTFE + NBR) prevents oil leakage even under 1,500,000+ impact cycles. The buffer includes a visual stroke indicator window and torque-calibrated adjustment system for precise energy absorption tuning.
- High-speed robotic pick-and-place end effectors
- CNC machine tool automatic door mechanisms
- Packaging line divert arm shock absorption
- Elevator car emergency braking systems
- Automotive assembly line heavy tool balancers
Installation protocol:
Mount with M10×1.5 grade 8.8 bolts using 28-32 N·m torque.
Perform 20-30 test cycles before final adjustment.
Relubricate every 500,000 cycles using AirTAC H-22 oil.
Critical note:
Avoid angular impacts exceeding 3° deviation.
Maximum side load capacity: 150N.
Not suitable for continuous side thrust applications.
| Property | Property Value |
|---|---|
| sku | ACJ4225F |
| External Thread | M42 |
| Stroke | <25 mm> |
| Bumper Cap Code | Iron 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.