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 ACEJ20X70-40S Specifications
- Model: ACEJ20X70-40S
- Type: Adjustable stroke compact cylinder (double-acting)
- Bore size: 20 mm
- Stroke: 70 mm (adjustable)
- Operating pressure: 0.05–1.0 MPa
- Cushioning: Adjustable rubber buffer
- Mounting style: S-type (swivel base with single mounting hole)
- Port size: M5×0.8 (G1/8 optional)
- Operating temperature: -10℃ to 80℃
- Piston material: Aluminum alloy with hard anodizing
- Rod material: Stainless steel (SUS304)
- Seal material: NBR + PU combination
- Weight: 0.68 kg
- Dimensions:
- Length: 143 mm (fully retracted)
- Width: 32 mm (body diameter)
- Height: 52 mm (including mounting bracket)
- Protection rating: IP54 (standard wiper seal)
- Lubrication: Pre-lubricated (DOP-free grease)
Space-optimized cylinder featuring micrometer-style stroke adjustment mechanism (±2mm fine-tuning capability). The corrosion-resistant design incorporates dual-seal technology for low friction and high cycle life (up to 3,000 km travel distance). Includes magnetic piston for position sensing compatibility.
- PCB handling robots in electronics manufacturing
- Precision clamping fixtures for CNC machining
- Pharmaceutical blister packaging machines
- Semiconductor wafer processing equipment
- Automated test probe positioning systems
| Property | Property Value |
|---|---|
| sku | ACEJ20X70-40S |
| 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 | 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.











