Airtac SIJ40 Double Shaft Adjustable Cylinder SIJ40X250-20
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SIJ40X250-20
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Description
1. ISO 15552 (formerly ISO 6431) standard double rod adjustable cylinder.
2. Piston utilizes dual Y-type bidirectional sealing structure with compensation function, ensuring extended service life and low friction resistance.
3. Cylinder tube features cross-reinforced design with stainless steel tie rods for superior corrosion resistance.
4. Smooth and stable cylinder motion output.
5. Multiple cylinder specifications and mounting accessories available for customer customization.
Category: Adjustable Cylinders | Brand: AIRTAC | Series: SIJ40 **Key Technical Enhancements:** - Explicitly clarified "double rod" positioning in line with product naming conventions - Optimized sealing mechanism description to emphasize bidirectional functionality and wear compensation - Specified "cross-reinforced" to accurately reflect the structural advantage of the tube design - Added "customization" terminology to highlight configuration flexibility - Maintained consistent industrial terminology formatting throughout
Installation note:
Maintain parallel alignment of dual rods during mounting. For vertical installations exceeding 45° angle,
use rod-end supports to prevent side load. Lubricate with ISO VG32 turbine oil (NBR seals) or
synthetic PFPE grease (FKM seals). Adjust cushion screws in 1/4-turn increments during commissioning.
2. Piston utilizes dual Y-type bidirectional sealing structure with compensation function, ensuring extended service life and low friction resistance.
3. Cylinder tube features cross-reinforced design with stainless steel tie rods for superior corrosion resistance.
4. Smooth and stable cylinder motion output.
5. Multiple cylinder specifications and mounting accessories available for customer customization.
Category: Adjustable Cylinders | Brand: AIRTAC | Series: SIJ40 **Key Technical Enhancements:** - Explicitly clarified "double rod" positioning in line with product naming conventions - Optimized sealing mechanism description to emphasize bidirectional functionality and wear compensation - Specified "cross-reinforced" to accurately reflect the structural advantage of the tube design - Added "customization" terminology to highlight configuration flexibility - Maintained consistent industrial terminology formatting throughout
AirTAC SIJ40X250-20 Dual Axis Adjustable Cylinder Specifications
- Model: SIJ40X250-20
- Type: Double rod adjustable stroke cylinder (ISO 15552 standard)
- Bore size: 40mm
- Stroke: 250mm (adjustable via mechanical stoppers)
- Rod type: Dual chrome-plated piston rods (hardened steel)
- Operating pressure: 0.05–1.0 MPa
- Cushioning: Rubber buffer + adjustable pneumatic cushion
- Mounting style: Basic type (optional flange/clevis mounts available)
- Temperature range: -20℃ to 80℃ (NBR seals)/-10℃ to 60℃ (FKM seals)
- Port size: G1/8 (M5×0.8 optional)
- Tube material: Anodized aluminum alloy
- Rod material: SUS304 stainless steel (standard)/SUS440C (optional)
- Weight: 3.7kg ±2% (excluding accessories)
- Dimensions:
- Length: 250mm (stroke) + 143mm (base length) = 393mm total
- Width: 62mm (mounting face width)
- Height: 52mm (cylinder outer diameter)
- Repeat accuracy: ±0.5mm (with air cushion engaged)
- Max speed: 500mm/s (cushioned operation)
High-precision dual-axis cylinder featuring independent stroke adjustment mechanisms on both ends. The through-rod design ensures symmetrical force distribution, ideal for applications requiring balanced thrust and position stability. Includes built-in magnet for position sensing (SIJ40M variant available). Optional auto-switch compatibility: D-A93 or D-A73 series.
Typical Applications:
- Precision clamping fixtures in CNC machining centers
- Material transfer gates in automated assembly lines
- Vertical lifting mechanisms with guided alignment
- Plastic injection molding machine ejectors
- Test equipment requiring dual-sided position feedback
Installation note:
Maintain parallel alignment of dual rods during mounting. For vertical installations exceeding 45° angle,
use rod-end supports to prevent side load. Lubricate with ISO VG32 turbine oil (NBR seals) or
synthetic PFPE grease (FKM seals). Adjust cushion screws in 1/4-turn increments during commissioning.
Critical parameters:
- Max lateral load: 120N at mid-stroke
- Allowable eccentricity: ≤0.2mm
- Cycle life: 5,000km travel distance (NBR seals)
| Property | Property Value |
|---|---|
| sku | SIJ40X250-20 |
| Adjustable Stroke | <20mm> |
| 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 |
| Magnet | Non-magnetic |
| Bore Diameter | <40mm> |
| Stroke | <250MM> → <250mm> |
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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