Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX175-10S
The AirTAC Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX175-10S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø63mm bore and 175mm 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
- Stroke175 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX175-10S
The AirTAC SAIJ63X175-10-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a 165-175 mm usable travel window, letting you dial back the nominal 175 mm stroke by up to 10 mm during machine commissioning. Delivering a push force of 2182 N at 0.7 MPa, it handles robust actuation tasks. The -S designation indicates an integrated magnet for position sensing.
This unit uses a SUS420J2 stainless steel rod for corrosion resistance and features PT tapered port threads (G3/8). The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting of CMSE reed or DMSE electronic switches. The rear adjuster acts purely as a travel stop to fine-tune the end position without needing external stops.
Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX175-10S Technical Specifications
| Model | Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX175-10S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø63 mm |
| Stroke | 175 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 SAIJ63AX175-10S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 63 | Bore size in mm. |
| ×175 | 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 SAIJ63AX175-10S Is Used
Machine Commissioning
Dial in the exact 165-175 mm end position during setup without physically swapping cylinders or adding external stopper blocks.
Product Changeover
Quickly adjust the retract stop by up to 10 mm on packaging lines when handling slightly different product sizes.
Sensor-Ready Positioning
Leverage the integrated -S magnet with DMSE electronic switches to confirm the adjusted end-of-stroke position.
Is the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX175-10S the Right Cylinder?
Choose this 63 mm bore when you need 2182 N of push force at 0.7 MPa and a highly specific travel window between 165 and 175 mm. If your application requires less force, stepping down to a 50 mm bore yields 1374 N at 0.7 MPa. Conversely, an 80 mm bore provides 3518 N if your load demands more thrust. The adjustable stroke is ideal for product changeovers where exact end-of-stroke positioning varies slightly, eliminating the need to swap out a fixed-stroke SAI cylinder.
When replacing an ISO 15552 cylinder, match the 63 mm bore, 175 mm stroke, 10 mm adjustment range, PT G3/8 port, and the -S magnet option. Note that the SAIJ mounting set is limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR brackets. Because the 175 mm stroke is under 300 mm, side-load stress is moderate, but the 20 mm rod diameter still requires external guiding for heavy lateral loads. Remember that the rear adjuster is a stop, not a lock; for load-holding without live air pressure, select an SAIL or BSAI cylinder.
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 SAIJ63AX175-10S FAQ
At 0.7 MPa operating pressure, this 63 mm bore cylinder provides a push force of 2182 N and a pull force of 1402 N. The maximum thrust is 318 kgf at 1.0 MPa.
The rear adjuster screw acts as a mechanical stop that lets you shorten the effective travel from the nominal 175 mm down to 165 mm. It fine-tunes the retract end position but does not lock or hold the load without live air pressure.
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