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 ACEJ20X50-40B Specifications
- Series: ACEJ12 (Compact Adjustable Stroke Series)
- Bore size: 20mm
- Stroke: 50mm ±1mm (mechanically adjustable)
- Operation type: Double-acting
- Working pressure: 0.05-1.0 MPa
- Piston speed: 50-800 mm/s
- Cushioning: Adjustable elastic cushion (both ends)
- Mounting type: Basic type (B series)
- Port size: M5x0.8 (Rc1/8/NPT1/8 optional)
- Ambient temperature: -20℃ to 80℃
- Piston rod material: Hard chrome-plated steel
- Tube material: Anodized aluminum alloy
- Seal material: NBR (Nitrile rubber)
- Weight: 0.48kg ±3%
- Dimensions (L×W×H):
- Standard length: 133mm (including stroke)
- Body width: 34mm
- Mounting height: 40mm
- Rod end thread: M10x1.25
Heavy-duty aluminum cylinder with precision machining for stroke adjustment through mechanical stoppers. Features dual cushion control knobs for precise deceleration adjustment and anti-rotation guide slots for stable operation. The corrosion-resistant design includes IP54-rated dust/water protection.
- Precision positioning in SMT equipment
- Clamping mechanisms in CNC tool changers
- Material handling in pharmaceutical packaging lines
- Automated door locking systems
- Printing press paper feed mechanisms
- ±0.5mm repeat positioning accuracy
- End lock mechanism prevents accidental stroke change
- Compatible with magnetic sensors (sensor groove width 5.5mm)
- 100,000km minimum service life (under standard conditions)
| Property | Property Value |
|---|---|
| sku | ACEJ20X50-40B |
| Adjustable Stroke | <40mm> |
| 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 | External Thread |
| Magnet | Non-magnetic |
| Bore Diameter | <20mm> |
| Stroke | <50mm> |
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.











