Airtac Adjustable Cylinder SAIJ32 SAIJ32AX400-100S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX400-100S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 400mm stroke, G1/8 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ32 mm
- Stroke400 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX400-100S
The AirTAC SAIJ32X400-100-S is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a 402N push force at 0.5MPa and incorporates a SUS420J2 stainless steel rod for enhanced corrosion resistance. Equipped with a magnet, it supports CMSE reed and DMSE electronic sensors.
This model features a 400mm nominal stroke that can be dialed back by up to 100mm, creating a 300-400mm usable travel window. The rear adjuster acts purely as a mechanical stop to fine-tune end positions at commissioning without adding external stops. It includes PT tapered port threads (G1/8) and variable air cushions at both ends to manage deceleration.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX400-100S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX400-100S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 400 mm |
| Acting type | Double acting |
| Port size | G1/8 |
| Rod thread | M10×1.25 |
| 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, 27 mm |
| Max stroke | Up to 1000 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 (Ø32mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | — |
| Max (@1.0 MPa) | 82 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac Adjustable Cylinder SAIJ32 SAIJ32AX400-100S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×400 | 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 Adjustable Cylinder SAIJ32 SAIJ32AX400-100S Is Used
Machine Changeover
Dial in the exact 300-400mm travel window during product size changes without swapping out the entire cylinder or re-engineering external stop blocks.
End-Position Tuning
Fine-tune the retract stroke at commissioning to perfect the timing of a pick-and-place operation, absorbing mechanical tolerances via the rear screw.
Variable End Stops
Adjust the actuator's effective stroke on the fly to accommodate different package lengths moving down a handling line.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX400-100S the Right Cylinder?
Choose this 32mm bore cylinder when you need 402N of push force at 0.5MPa alongside highly variable end-stop positioning. If your application requires greater thrust, stepping up to the 40mm bore yields 628N. The 100mm adjustment range is excellent for product-size changeovers on a line, offering far more flexibility than a fixed-stroke SAI cylinder.
Because the 400mm stroke is relatively long for a 32mm bore, an external guide is recommended to prevent excessive rod side-loading. To mount this cylinder, use the reduced SAIJ set: Basic, FA, LB, TC, FTC, TCM1, or TCM2. Note that the rear adjuster and air cushions only set travel ends; they do not hold the load without live air. For load-holding, consider an external rod lock or the SAIL series.
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 Adjustable Cylinder SAIJ32 SAIJ32AX400-100S FAQ
At 0.5MPa it provides 402N of push force and 345N of pull force. At 0.9MPa, the push force increases to 724N. The operating speed range for this 32mm bore is 30-800mm/s.
The rear adjuster screw lets you shorten the effective stroke by up to 100mm, giving a usable travel window of 300-400mm. The adjuster is a mechanical stop that sets the end position; it is not a lock and will not hold the load without continuous air pressure.
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