Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX200-100S
The AirTAC Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX200-100S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø63mm bore and 200mm 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
- Stroke200 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX200-100S
The AirTAC SAIJ63X200-100-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that creates a 100-200 mm usable travel window from its 200 mm nominal stroke. It delivers 1559 N push and 1402 N pull thrust at 0.5 MPa, fitting cleanly into mid-range automation force classes. This specific configuration uses a SUS420J2 stainless steel rod (option A) for superior corrosion resistance compared to standard carbon steel.
The rear adjuster acts purely as a mechanical stop to fine-tune end positions during commissioning without swapping the cylinder or adding external stops. It is not a lock; it only sets the travel end alongside the variable air cushions. This unit includes a magnetic piston for position sensing with AirTAC CMSE reed and DMSE solid-state switches, and utilizes PT tapered port threads.
Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX200-100S Technical Specifications
| Model | Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX200-100S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø63 mm |
| Stroke | 200 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 SAIJ63AX200-100S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 63 | Bore size in mm. |
| ×200 | 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 SAIJ63AX200-100S Is Used
Product Changeover
Dial the stroke back up to 100 mm when switching a packaging line to a smaller carton size, avoiding physical cylinder swaps or external stop blocks.
End-Position Tuning
Fine-tune the exact retract endpoint during machine commissioning to align a 1402 N pull load perfectly without mechanical shimming.
Corrosive Assembly
Leverage the SUS420J2 stainless rod and 1559 N push force to drive pressing operations in environments where standard carbon steel rods would pit.
Is the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX200-100S the Right Cylinder?
Choose this 63 mm bore when you need 1559 N of push force at 0.5 MPa, stepping up from a 50 mm bore (982 N) for heavier payloads, or down from an 80 mm bore (2513 N) to save space and air consumption. The 100 mm adjustment range is ideal for machines processing variable product sizes, allowing you to dial back the stroke dynamically during changeover rather than relying on a fixed-stroke SAI cylinder.
Because the nominal stroke is 200 mm, an external guide is recommended to prevent excessive side-loading on the M16x1.5 rod thread. For load-holding without live air pressure, note that the rear stopper and cushions do not function as a brake; you must use an SAIL air-lock, BSAI clamp-lock, or external pilot-operated check valve. To match this ISO 15552 footprint exactly, specify the 63 mm bore, 200 mm stroke, 100 mm adjuster, PT G3/8 ports, and the -S magnet.
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 SAIJ63AX200-100S FAQ
At a 0.5 MPa operating pressure, this 63 mm bore cylinder generates 1559 N of push force and 1402 N of pull force. At the maximum 1.0 MPa pressure, it can deliver up to 318 kgf.
The rear adjuster screw lets you mechanically shorten the 200 mm nominal stroke to any effective travel length down to 100 mm. This stopper only limits the travel end and does not lock the load without live air pressure.
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