Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX115-10
The AirTAC Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX115-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø63mm bore and 115mm 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
- Stroke115 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX115-10
The AirTAC SAIJ63X115-10 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the travel window from 105 to 115 mm. Belonging to the 63 mm bore class, it delivers a push force of 1559 N at 0.5 MPa and a maximum thrust of 318 kgf at 1.0 MPa. This makes it well-suited for medium-duty positioning tasks where exact end-stop spacing matters.
This SKU is configured with a SUS420J2 stainless steel rod for enhanced durability against minor moisture, and PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides, allowing you to mount CMSE reed or DMSE electronic switches if position feedback is later required. The rear adjuster acts purely as a mechanical stop, meaning the cylinder cannot hold a load without continuous live air pressure.
Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX115-10 Technical Specifications
| Model | Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX115-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø63 mm |
| Stroke | 115 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 SAIJ63AX115-10
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 63 | Bore size in mm. |
| ×115 | 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 SAIJ63AX115-10 Is Used
End-Stop Tuning
Dial in the exact 105 to 115 mm travel distance during setup to perfect the final positioning of a gripper or tooling plate without changing hardware.
Machine Changeover
Quickly adjust the retract stop by up to 10 mm when switching between product sizes on a packaging line, reducing downtime.
Medium-Duty Positioning
Leverage the 1559 N push force at 0.5 MPa to push or lift workpieces into precise machining fixtures.
Is the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX115-10 the Right Cylinder?
Choose this 63 mm bore if your application requires around 1559 N of push force at 0.5 MPa; stepping down to a 50 mm bore drops that to 982 N, while an 80 mm bore increases it to 2513 N. The 10 mm adjustment range is ideal for dialing in exact end positions during machine commissioning or product changeover, saving you from swapping out a fixed-stroke SAI cylinder or adding external stops. When replacing an ISO 15552 cylinder, match the 115 mm stroke, 10 mm adjustment, G3/8 PT ports, and your required mounting interface (Basic, FA, LB, TC, FTC, TCM1, or TCM2). Since the total stroke is 115 mm, side-load risks are minimal, but always ensure the M16x1.5 rod thread is aligned with your load to prevent binding.
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 SAIJ63AX115-10 FAQ
At an operating pressure of 0.5 MPa, this 63 mm bore cylinder provides a push force of 1559 N and a pull force of 1402 N. At the maximum rated pressure of 1.0 MPa, it delivers a thrust of 318 kgf.
The rear adjuster screw acts as a mechanical stop that lets you shorten the effective travel from the nominal 115 mm down to 105 mm. It only sets the end position and provides no load-holding capability without live air pressure.
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