Airtac SCJ32 Standard Cylinder SCJ32X400-100
The AirTAC Airtac SCJ32 Standard Cylinder SCJ32X400-100 is a genuine double-acting SINGLE-ROD air cylinder with a rear-cap ADJUSTING SCREW: the stroke end is field-adjustable within a 100 mm range without swapping the cylinder. Ø32mm bore, 400mm nominal stroke, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Nominal stroke400 mm
- Stroke adjust-100 mm
- Port sizePT1/8
- Rod threadM10×1.25
- CushionAdjustable, 21 mm
About the Airtac SCJ32 Standard Cylinder SCJ32X400-100
The SCJ32X400-100 is a 32mm bore, double-acting, single-rod pneumatic cylinder with a 100mm field-adjustable stroke range, letting you dial in the exact stroke end position from 300mm to 400mm. It delivers 402 N of push force at 0.5 MPa and up to 724 N at the maximum operating pressure of 0.9 MPa, making it a compact workhorse for light positioning and clamping tasks where fine end-stop tuning is critical.
This tie-rod cylinder uses a 12mm diameter piston rod with an M10x1.25 male thread and PT1/8 ports. The rear adjusting screw shortens the stroke end by up to 100mm, eliminating the need for external hard stops during commissioning or format changes. Its body length A(SCJ) is 182mm, and it includes a 21mm air cushion for smooth deceleration.
Airtac SCJ32 Standard Cylinder SCJ32X400-100 Technical Specifications
| Model | Airtac SCJ32 Standard Cylinder SCJ32X400-100 |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø32 mm |
| Nominal stroke | 400 mm |
| Stroke adjustment | Up to 100 mm (rear adjusting screw) |
| Acting type | Double acting (single rod) |
| Port size | PT1/8 |
| 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, 21 mm |
| Max stroke | Up to 1000 mm |
Specifications follow the official AirTAC SCJ (adjustable-stroke) datasheet. The rear adjusting screw sets the stroke end position; force is the same as the equivalent single-rod SC bore. Confirm against the product label before installation. Thread options: PT (standard) / G.
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 | |
SCJ is single-rod, so force matches the equivalent SC bore: push uses the full bore area, pull subtracts the rod area. Actual usable force is lower than theoretical due to friction and back-pressure; size with a safety margin.
Model Code: Airtac SCJ32 Standard Cylinder SCJ32X400-100
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×400 | Nominal (maximum) stroke length in mm. |
| -100 | Adjustable-stroke range in mm (options 10/20/30/40/50/75/100). |
| -S | Optional built-in magnet for sensor position sensing. |
Related types: SC (single rod, fixed stroke), SCD (double rod), SCT (multi-position). SCJ mounting: Basic, FA, LB, TC, TCM1. Seals: TPU standard / H = Viton / N = NBR. Thread: blank = PT, G = G thread.
Where the Airtac SCJ32 Standard Cylinder SCJ32X400-100 Is Used
End-Stop Commissioning
During machine setup, the 100mm adjustment screw lets technicians precisely dial in the retract or extend stop point without remachining brackets or adding shims, speeding up system integration.
Format Changeover
On a small packaging line, operators can quickly adjust the stroke to accommodate different box heights or product widths by turning the rear screw, minimizing downtime between production runs.
Wear Compensation
In a clamping fixture, the adjustable stroke compensates for pad wear or material thickness variations over time, maintaining consistent clamping force without replacing the cylinder.
Is the Airtac SCJ32 Standard Cylinder SCJ32X400-100 the Right Cylinder?
Choose the SCJ32 when you need a compact, adjustable-stroke actuator in the 400 N push class. If your force requirement grows, step up to the SCJ40, which provides 628 N of push at 0.5 MPa. For applications where the stroke never changes, the fixed-stroke SC32 is a simpler, cost-effective alternative. This model uses a basic mount; add an FA front flange or LB foot bracket if panel or surface mounting is needed.
At a 400mm nominal stroke, rod buckling is a consideration under high side loads. If your application imposes lateral forces, use an external guide rail or consider a guided cylinder to protect the 12mm rod from bending and ensure long seal life.
Adjustable-stroke checklist
- ✓ Need to fine-tune stroke on the line?
- ✓ Nominal stroke + adjust range (-100)
- ✓ Required force at your working pressure
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Set the rear adjusting screw, then lock it before running.
- check Adjust end cushion screws for smooth stops.
- check Use SCJ mounting accessory (FA / LB / TC / TCM1).
- check Installation by qualified personnel per AirTAC docs.
Airtac SCJ32 Standard Cylinder SCJ32X400-100 FAQ
At 0.5 MPa, the push force is 402 N and the pull force is 345 N. At the maximum operating pressure of 0.9 MPa, the push force reaches 724 N. Because it is a single-rod cylinder, the push force is greater than the pull force due to the area of the 12mm rod.
Yes, if you need the ability to fine-tune the stroke end. The SCJ32 shares the same 32mm bore, PT1/8 ports, and basic mounting footprint. Ensure the 100mm adjustment range and the slightly longer body length A(SCJ) of 182mm fit your machine envelope.
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