Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX30-10
The AirTAC Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX30-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø63mm bore and 30mm 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
- Stroke30 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX30-10
The AirTAC SAIJ63X30-10 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to trim the effective travel back by up to 10 mm. With a 30 mm nominal stroke, this creates a highly precise 20-30 mm usable travel window, ideal for fine end-position tuning at commissioning without swapping the cylinder or adding external stops. It delivers a robust 1559 N push force at 0.5 MPa and 2182 N at 0.7 MPa, matching the standard SAI output.
This variant is configured with a SUS420J2 stainless steel rod for enhanced corrosion resistance and uses PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides, though this specific SKU is supplied without a magnet. The rear adjuster acts purely as a travel stop to set the deceleration point alongside the variable air cushions; it is not a lock, so the cylinder will not hold a load without live air pressure.
Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX30-10 Technical Specifications
| Model | Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX30-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø63 mm |
| Stroke | 30 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 SAIJ63AX30-10
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 63 | Bore size in mm. |
| ×30 | 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 SAIJ63AX30-10 Is Used
Precision End-Stop Tuning
Dial in the exact 20-30 mm travel window during machine commissioning to perfect a clamping or positioning motion without machining external spacers.
Product Changeover
Quickly adjust the rear stopper by up to 10 mm to accommodate slightly different product sizes on a packaging line, minimizing downtime.
Short-Stroke Ejection
Utilize the 1559 N push force at 0.5 MPa to eject small parts, relying on the built-in air cushions to decelerate the load smoothly.
Is the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX30-10 the Right Cylinder?
Choose this 63 mm bore model when your application demands 1559 N of push force at 0.5 MPa (or 1402 N pull) within a very short 20-30 mm adjustable travel envelope. If your setup requires less force, stepping down to a 50 mm bore yields 982 N push, whereas moving up to an 80 mm bore provides 2513 N. The adjustable stroke is selected over a fixed SAI when you need variable end-stops for product changeovers or exact machine setup without machining external stop blocks.
Because the stroke is only 30 mm, side-loading risks are minimal, but always ensure the load is guided to prevent rod binding. For load-holding without continuous air pressure, this plain SAIJ cylinder is insufficient—consider an AirTAC SAIL (air-released lock) or BSAI (clamp-lock) instead. To replace an ISO 15552 cylinder, match the 63 mm bore, 30 mm stroke, 10 mm adjustment, PT G3/8 port, and the reduced SAIJ mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2), noting that FB, CA, CB, and CR mounts are omitted.
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 SAIJ63AX30-10 FAQ
The 63 mm bore generates a push force of 1559 N and a pull force of 1402 N at 0.5 MPa. At 0.7 MPa, the push force increases to 2182 N.
The rear adjuster screw lets you shorten the 30 mm nominal stroke by up to 10 mm, creating a usable travel window of 20-30 mm. The adjuster acts as a travel stop to set the end position and is not a load-holding lock.
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