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 ACEJ20X70-20S Specifications
- Model Code: ACEJ20X70-20S
- Series: ACEJ12 (Compact Adjustable Stroke)
- Bore Size: 20mm
- Stroke: 70mm (adjustable within ±1mm)
- Operation Type: Double acting
- Working Pressure: 0.1-0.9 MPa
- Operating Temperature: -20℃ to 80℃
- Cushioning: Adjustable pneumatic cushion (both ends)
- Mounting Style: Basic foot mounting (ISO 15552 accessory compatibility)
- Port Size: M5x0.8 (standard), G1/8 optional
- Piston Material: Aluminum alloy with hard anodizing
- Rod Material: Stainless steel (SUS304)
- Seal Type: NBR + PU combination seals
- Sensor Compatibility: Built-in magnet for M5 proximity switches
- Weight: 0.82kg (excluding accessories)
- Dimensions: 140mm(L) × 40mm(W) × 40mm(H) (retracted position)
- Extended Length: 210mm (140mm + 70mm stroke)
- IP Rating: IP40 (standard), IP67 optional
- Lubrication: Pre-lubricated (Oil-free operation possible)
Ultra-compact profile cylinder with stroke adjustment mechanism, featuring dual anti-rotation guide rods for precise linear motion. The hardened piston rod and multi-layered sealing system ensure 3,000km service life under standard conditions. Unique cushion design reduces end-impact noise to <75dB.
- High-density PCB component insertion machines
- Pharmaceutical blister packaging systems
- Semiconductor wafer handling robots
- Automotive dashboard assembly fixtures
- 3D printer automated bed leveling systems
| Property | Property Value |
|---|---|
| sku | ACEJ20X70-20S |
| 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 | 70mm |
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.











