1. Compliant with ISO 21287 standard, featuring highly versatile mounting dimensions;
2. Thread-connected cylinder body with front/rear covers ensures structural integrity and maintenance convenience;
3. Precision-machined bore with hard anodizing treatment delivers exceptional wear resistance and extended service life;
4. Asymmetric bidirectional piston sealing configuration combines compact dimensions with integrated oil reservoir functionality;
5. Space-optimized design reduces installation footprint by 50% compared to ISO 15552 standard cylinders of equivalent bore size;
6. Triple-side sensor grooves along cylinder body facilitate flexible sensor mounting;
7. Integrated shock absorber pads effectively dampen residual energy from high-speed operation and mechanical rotation;
8. Comprehensive selection of standardized mounting accessories available.
Category: Adjustable Cylinder | Brand: AIRTAC | Series: ACEJ12
AirTAC ACEJ12 Adjustable Compact Cylinder ACEJ20X45-20S Specifications
- Series: ACEJ12 Compact Adjustable Stroke
- Full model: ACEJ20X45-20S
- Bore size: 20mm (Φ20)
- Stroke: 45mm (±1mm adjustable)
- Operating pressure: 0.05-1.0 MPa
- Cushion type: Adjustable pneumatic cushion
- Port size: M5x0.8 (Rc1/8/NPT1/8 optional)
- Mounting type: 20S (Basic front flange)
- Temperature range: -20℃ to 80℃
- Piston material: Aluminum alloy hard anodized
- Rod material: Stainless steel (SUS304)
- Seal material: NBR + PU combination
- Weight: 0.45kg (excluding accessories)
- Dimensions: 100mm(L) × 34mm(W) × 34mm(H)
- Protection rating: IP40 (Dust-resistant)
- Lubrication: Pre-lubricated (Oil-free operation possible)
Ultra-compact cylinder featuring micrometer-style stroke adjustment (±1mm) via rotating end cap. Precision-ground rod with anti-rotation design ensures stable linear motion. The double-sealed construction allows both oil and oil-free operation. Integrated mounting slots enable tool-free installation adjustments.
- Precision positioning in semiconductor wafer handling
- Clamping mechanisms in SMT pick-and-place machines
- Valve actuation in portable medical analyzers
- Space-constrained robotic gripper assemblies
- Automated test equipment probe positioning
- Loosen lock nut (3mm hex key required)
- Rotate end cap: 360° = 1mm stroke change
- Re-tighten nut to 0.15-0.25N·m torque
| Property | Property Value |
|---|---|
| sku | ACEJ20X45-20S |
| 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°C to 70°C Speed Range: 30 to 500 mm/s |
| Port Size | M5×0.8 |
| Piston Rod Thread Type | Internal Thread |
| Magnet | S-Magnetic |
| Bore Diameter | <20mm> |
| Stroke | <45mm> |
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.











