2. Dual Y-shaped axial seals on piston for automatic wear compensation, extended service life, and low friction coefficient
3. Crisscross pattern reinforced cylinder tube with stainless steel tie rods, delivering superior corrosion resistance
4. Precisely adjustable cushioning mechanism ensures smooth stroke operation
5. Customizable with multiple stroke lengths and compatible mounting accessories for flexible system integration
Category: Adjustable Cylinders | Brand: Airtac | Series: SIJ63
AirTAC SIJ63X350-40 Double Rod Adjustable Cylinder Specifications
- Model: SIJ63X350-40
- Type: Double rod cylinder with adjustable stroke
- Bore size: 63mm
- Stroke: 350mm (adjustable ±2mm)
- Operating pressure: 0.1–0.8 MPa
- Port size: PT1/4 (G1/8 optional)
- Piston rod diameter: 20mm (chrome-plated steel)
- Cushioning: Adjustable air cushion at both ends
- Mounting: Standard lateral mounting holes (M6×1.0 thread)
- Operating temperature: -20℃ to 80℃
- Weight: 5.2kg ±3%
- Dimensions: 632mm(L) × 78mm(W) × 78mm(H)
- Material: Aluminum alloy cylinder tube, stainless steel end caps
- Seals: NBR/Urethane composite seals
- Lubrication: Pre-lubricated (Oil-free operation possible)
- ISO standard: 15552 compliant
A high-precision dual-axis cylinder featuring twin piston rods for enhanced moment resistance and alignment stability. The SIJ63X350-40 incorporates micrometer-style stroke adjustment screws (+/-2mm fine-tuning) and dual shock absorbers for precision positioning. Its through-rod design ensures synchronized movement in both extension/retraction directions, ideal for applications requiring balanced force distribution.
- Precision clamping fixtures in CNC machining centers
- Vertical lift mechanisms for packaging conveyors
- Parallel gripper drives in robotic assembly systems
- Press-fit operations in automotive component manufacturing
- Guiding mechanisms for semiconductor wafer handling

Property | Property Value |
---|---|
sku | SIJ63X350-40 |
Adjustable Stroke | <40mm> |
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 |
Magnet | Non-magnetic |
Bore Diameter | 63mm |
Stroke | 350mm |
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.