Airtac ACA Standard Automatic Compensation Hydraulic Shock Absorber ACA2020-3N

Airtac

Airtac ACA Standard Automatic Compensation Hydraulic Shock Absorber ACA2020-3N

$45.35 $52.85
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Description
1. Superior and smooth deceleration with adaptive damping performance: Automatically adjusts resistance under dynamic load impact.
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 ACA2020-3N Standard Auto-Compensating Hydraulic Shock Absorber Specifications

  • Model: ACA2020-3N
  • Type: Auto-compensating oil-filled shock absorber
  • Bore diameter: 20mm
  • Stroke: 3mm ±0.5mm
  • Max. energy absorption: 2.0 Nm/cycle
  • Max. impact velocity: 2.5 m/s
  • Max. axial load: 350N
  • Adjustment type: Automatic oil compensation
  • Housing material: Carbon steel with chrome plating
  • Seal material: Nitrile rubber (NBR)
  • Operating temperature: -10℃ to 80℃
  • Oil type: ISO VG15 hydraulic oil
  • Weight: 0.35kg ±5%
  • Dimensions: 85mm(L) × 20mm(W) × 20mm(H)
  • Mounting style: Threaded shaft (M10x1.25)
  • Impact surface hardness: HRC 45-50

Precision-engineered hydraulic damper with automatic oil replenishment system, featuring wear compensation technology that maintains consistent damping force throughout service life. The double-sealed structure prevents oil leakage even under high-frequency impacts (up to 200 cycles/min). Corrosion-resistant chrome plating ensures durability in humid environments.

Typical Applications:
  • High-speed pick-and-place robot end effectors
  • CNC machine tool automatic door mechanisms
  • Packaging machine vertical lift systems
  • Automotive assembly line indexing units
  • Die-casting machine ejection systems
Installation guidelines: Mount with impact direction aligned within ±2° of cylinder axis. Allow 15mm clearance behind adjustment screw for maintenance access. Pre-lubricate threads with MOBILUX EP2 grease during installation.
Service Note: Automatic compensation requires 50-100 break-in cycles. Check oil level window quarterly - blue indicator should remain visible. Replace if damping time exceeds initial specification by 20%.


Property Property Value
sku ACA2020-3N
External Thread M20
Stroke <20mm>
Speed Code Low Speed (Heavy Load)
Bumper Cap Code Without Bumper Cap
Shipping policies

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.

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