Airtac SI63 Standard Cylinder SI63X640STC
2. Piston sealing features dual-locked Y-type axial sealing structure with dust scraping capability, delivering extended service life and low friction resistance;
3. Aluminum tube with cross-shaped reinforcement and anodized tie rods for enhanced corrosion resistance;
4. Optimized cushion adjustment system with stable stroke control;
5. Multiple bore sizes and mounting accessories available for flexible configuration.
Category: Standard Cylinders | Brand: Airtac | Series: SI63
AirTAC SI63X640STC Standard Cylinder Specifications
- Model: SI63X640STC
- Type: ISO 6432 compliant double-acting cylinder
- Bore size: Ø63 mm
- Stroke: 640 mm (±0.5 mm tolerance)
- Operating pressure: 0.1–1.0 MPa (15–145 PSI)
- Cushioning: Adjustable hydraulic buffer (both ends)
- Port thread: G3/8 (BSPP) or 1/2" NPT optional
- Piston rod material: Hard chrome-plated steel (S45C)
- Tube material: Anodized aluminum alloy (6063-T5)
- Seal material: Nitrile rubber (NBR) with wear-resistant ring
- Ambient temperature: -20℃ to 80℃ (-4°F to 176°F)
- Max theoretical thrust: 314 kgf@0.7 MPa (693 lbs@100 PSI)
- Max speed: 500–800 mm/s (with cushioning engaged)
- Weight: 5.8 kg (12.8 lbs) ±3%
- Dimensions (L×W×H): 940×85×85 mm (37"×3.35"×3.35")
- Mounting options: Basic front flange (MF1), rear pivot (MP4)
- Protection rating: IP65 (standard), IP67 w/ optional wipers
High-precision industrial cylinder with chrome-plated precision honed tube, designed for heavy-duty linear motion applications. Features dual adjustable hydraulic buffers for smooth end-stroke deceleration and integrated magnet for position sensing (SI63X*STC series). Requires ISO VG32 hydraulic oil lubrication for optimal seal life.
- Automotive assembly line clamping fixtures
- Plastic injection molding machine ejectors
- Steel mill material handling systems
- Packaging machine vertical lift mechanisms
- Warehouse automated stacking robots
Maintenance note:
Replace rod wipers every 5 million cycles in dusty environments.
Lubricate through air supply (oil-fog lubrication at 1–2 drops/m³).
Avoid side load exceeding 30% of max thrust capacity.
| Property | Property Value |
|---|---|
| sku | SI63X640STC |
| 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 | PT3/8 |
| Piston Rod Material | Medium Carbon Steel |
| Magnet | S-Magnetic |
| Bore Diameter | 63mm |
| Stroke | 640mm |
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.