2、Features specially-shaped bidirectional sealing structure with integrated oil reservoir for compact piston sealing design;
3、JSI series adopts tie-rod-free construction with H-shaped aluminum tube for enhanced corrosion resistance;
4、Compact length compared to ISO15552 standard cylinders of equivalent bore size;
5、Precision-engineered cushioning adjustment ensures smooth stroke termination;
6、Comprehensive selection of cylinder specifications and mounting accessories available for customized solutions.
Category: Standard Cylinders , Brand: AIRTAC , Series: JSIJ32~50
AirTAC JSIJ32~50 Adjustable Cylinder (JSIJ40X300-20S) Technical Details
- Full Model: JSIJ40X300-20S
- Series Range: JSIJ32~50 (32mm/40mm/50mm bore sizes)
- Bore Diameter: 40mm (±0.1mm manufacturing tolerance)
- Stroke: 300mm (adjustable stroke range: ±5% of nominal)
- Adjustment Mechanism: External cushion screw with locknut
- Operating Pressure: 0.1–0.9 MPa (14.5–130.5 PSI)
- Max Thrust: 1134N at 0.63MPa (calculated value)
- Port Size: G1/8 (ISO228 standard) with M5x0.8 pilot hole option
- Piston Speed: 50–800 mm/s (lubricated condition)
- Ambient Temp Range: -20℃ to +80℃ (non-freezing)
- Body Material: Aluminum alloy (A6063-T5) with hard anodizing
- Rod Material: Chrome-plated carbon steel (S45C)
- Seals: NBR (standard), optional Fluorocarbon for high temp
- Weight: 3.8kg ±2% (including mounting accessories)
- Dimensions: 470mm(L) × 80mm(W) × 80mm(H) (at mid-stroke position)
- Mounting: Basic type (ISO15552 foot mounting pattern)
- Rod End: Female M10x1.25 thread (8mm rod diameter)
High-precision adjustable stroke cylinder featuring dual-side external cushioning with 270° rotation-adjustable screws. The JSIJ series incorporates a wear-resistant guide bushing (MISUMI MC306) and impact-absorbing cushion seal design. Requires ISO VG32 hydraulic oil mist lubrication for optimal performance.
- Precision press-fit operations in automotive transmission assembly
- Variable height positioning for CNC machine tool changers
- Adjustable clamping force systems in injection molding
- Packaging line product ejection with force control
- Semiconductor wafer handling with soft-landing requirements
| Property | Property Value |
|---|---|
| sku | JSIJ40X300-20S |
| Adjustable Stroke | <20mm> |
| 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:-20-70°C Speed Range:30-800mm/s |
| Port Size | PT1/4 |
| Magnet | S-Magnetic |
| Cushion Stroke | 20.5mm |
| Bore Diameter | <40mm> |
| Stroke | 300mm |
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.





