Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX1000-40
The AirTAC Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX1000-40 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø63mm bore and 1000mm stroke, G3/8 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ63 mm
- Stroke1000 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX1000-40
The AirTAC SAIJ63X1000-40 is a double-acting ISO 15552 profile cylinder featuring a rear mechanical adjuster that allows you to trim the effective stroke by up to 40 mm. This creates a precise 960-1000 mm usable travel window, enabling fine end-position tuning at commissioning without swapping out the actuator or adding external stops. Equipped with a G3/8 port and a 20 mm rod, it delivers 1559 N of push force and 1402 N of pull force at 0.5 MPa, making it a robust choice for mid-range pneumatic tasks.
This variant features a SUS420J2 stainless steel rod (material code A) for enhanced corrosion resistance compared to standard carbon steel. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch placement. Because the stroke reaches 1000 mm, the unsupported rod length during extension is significant; an external guide mechanism is highly recommended to prevent excessive side-loading and premature seal wear.
Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX1000-40 Technical Specifications
| Model | Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX1000-40 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø63 mm |
| Stroke | 1000 mm |
| Acting type | Double acting |
| Port size | G3/8 |
| Rod thread | M16×1.5 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 800 mm/s |
| Cushion | Adjustable, 36 mm |
| Max stroke | Up to 1500 mm |
Specifications follow the official AirTAC SAI series datasheet and ISO 15552 dimensions. Confirm against the product label before installation. Port options: G (BSPP) / NPT.
Theoretical Output Force (Ø63mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 1559 N | 1402 N |
| 0.7 MPa | 2182 N | — |
| Max (@1.0 MPa) | 318 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX1000-40
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 63 | Bore size in mm. |
| ×1000 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related SAI-family variants: SAID (double rod), SAIJ (adjustable stroke), SAIL (with lock), SAIF (with valve), BSAI (enclasp / clamp-lock), and SAI-S with built-in magnet. Rod material: carbon steel (blank) / SUS420J2 (A) / SUS304 (B); seals: TPU (blank) / Viton H / NBR N.
Where the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX1000-40 Is Used
Product Size Changeover
Quickly reconfigure the 960-1000 mm end-stop for a new product run on a packaging line without replacing the cylinder or fabricating new external hard stops.
Long-Stroke Positioning
Move components along an extended axis with 1559 N of push force, using the rear adjuster to dial in the exact retracted position for precise machine loading.
Commissioning Fine-Tuning
Trim up to 40 mm of stroke during initial machine setup to perfectly align tooling interfaces, compensating for mechanical tolerances without disassembling the actuator.
Is the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX1000-40 the Right Cylinder?
Choose this 63 mm bore when your application requires more thrust than a 50 mm cylinder (which provides 982 N push at 0.5 MPa) but without the larger footprint and air consumption of an 80 mm model (2513 N push at 0.5 MPa). The adjustable stroke is ideal for production lines handling varying product sizes, allowing operators to dial in the exact 960-1000 mm end-stop on the fly instead of machining hard stops. The rear adjuster functions strictly as a travel stop and works alongside the standard air cushions to decelerate the piston; it does not hold the load without live air pressure. For load-holding requirements without continuous air, consider the SAIL or BSAI series.
To match this exact ISO 15552 replacement, verify your bore size of 63 mm, the 1000 mm nominal stroke, the 40 mm adjustment range, PT tapered port threads, and the SUS420J2 rod material. Note that this model does not include a magnet (-S), so position sensing via CMSE or DMSE switches is not supported out of the box. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options, omitting the FB, CA, CB, and CR configurations found on some other lines.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
- ✓ Side load — consider a guided cylinder
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Adjust end cushion screws for smooth stops.
- check Use correct mounting accessory (FA/FB/CA/CB/LB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX1000-40 FAQ
At an operating pressure of 0.5 MPa, this 63 mm bore cylinder generates 1559 N of push force and 1402 N of pull force. At the maximum rated pressure of 1.0 MPa, it can deliver up to 318 kgf.
The rear adjuster acts as an external stopper that lets you shorten the nominal 1000 mm stroke by up to 40 mm, providing a usable travel window of 960 to 1000 mm. It is a travel stop, not a lock, and the cylinder still requires live air to hold position.
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