Airtac SI40 Standard Cylinder SI40AX280
2. Features wear-resistant Y-shaped axial sealing structure with cushioning function, extended service life, and low friction resistance;
3. Aluminum square tube profile with anodized tie rods for superior corrosion resistance;
4. Built-in adjustable pneumatic cushioning at both ends;
5. Multiple cylinder specifications and mounting accessories available for flexible configurations.
Category: Standard Cylinders | Brand: AirTAC | Series: SI40
AirTAC SI40AX280 Standard Cylinder Specifications
- Model: SI40AX280
- Type: ISO 6432 compliant double-acting cylinder
- Bore size: 40 mm
- Stroke: 280 mm (adjustable ±2mm)
- Operating pressure: 0.05–1.0 MPa
- Temperature range: -20℃ to 80℃
- Cushion type: Adjustable air cushion at both ends
- Mounting style: Basic type (axial mounts via front/rear threaded rods)
- Port size: M5x0.8 (standard) with NPT1/8 optional
- Piston rod thread: M10x1.25 (external)
- Material: Aluminum alloy barrel, chrome-plated carbon steel rod
- Seal material: NBR (nitrile) with polyurethane wear bands
- Weight: 1.65 kg (excluding accessories)
- Dimensions: 402mm(L) × 50mm(W) × 50mm(H) (fully retracted)
- Max thrust: 126N @ 0.63MPa
- Speed range: 50–750 mm/s
- Magnetic switch compatibility: SI-MQ series (requires mounting groove)
- Protection rating: IP65 (rod seal upgrade available for IP67)
The SI40AX280 combines high-precision machining with corrosion-resistant materials for repetitive linear motion tasks. Features dual adjustable pneumatic cushions for smooth end-of-stroke deceleration and a self-lubricating rod bearing. Requires ISO VG32 turbine oil lubrication (optional oil-free operation with special seals).
- Automated assembly line positioning systems
- Plastic injection molding machine ejectors
- CNC machine tool clamping mechanisms
- Textile machinery tension control
- Automotive welding fixture actuators
Installation note:
Allow minimum 0.5mm alignment tolerance during mounting. For vertical installations exceeding 45° angle,
use rod-end support brackets (sold separately). Lubricate rod weekly in high-cycle applications (>500,000 cycles/month).
| Property | Property Value |
|---|---|
| sku | SI40AX280 |
| Seal Material | Polyurethane |
| Understood. Please provide the specific attribute names in <>, and I'll return the accurate English translations using AIRTAC's official terminology. Example: User input: <缸径> My output: Bore | Operating Temperature: -20℃ to 80℃ Speed Range: 30-800 mm/s |
| Port Size | PT1/4 |
| Piston Rod Material | SUS420J2 |
| Magnet | Non-magnetic |
| Bore Diameter | <40mm> |
| Stroke | 280mm |
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.