Airtac SCJ32 Standard Cylinder SCJ32X350-30
The AirTAC Airtac SCJ32 Standard Cylinder SCJ32X350-30 is a genuine double-acting SINGLE-ROD air cylinder with a rear-cap ADJUSTING SCREW: the stroke end is field-adjustable within a 30 mm range without swapping the cylinder. Ø32mm bore, 350mm nominal stroke, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Nominal stroke350 mm
- Stroke adjust-30 mm
- Port sizePT1/8
- Rod threadM10×1.25
- CushionAdjustable, 21 mm
About the Airtac SCJ32 Standard Cylinder SCJ32X350-30
The SCJ32X350-30 brings field-adjustable stroke control to a compact 32 mm bore, delivering 402 N of push force at 0.5 MPa (724 N at the 0.9 MPa maximum operating pressure). Its rear-cap adjusting screw provides up to 30 mm of stroke-end reduction, letting you fine-tune the piston stop without altering the cylinder's mounting or plumbing—ideal for commissioning and format changes on light automation cells.
This single-rod double-acting cylinder uses a 12 mm diameter piston rod with an M10x1.25 male thread and PT1/8 ports. The body length A(SCJ) is 182 mm plus stroke, and the standard air cushion is 21 mm at each end. Operating on filtered air from 0.15 to 1.0 MPa, it handles temperatures from -20 to +70 °C with the default TPU seals.
Airtac SCJ32 Standard Cylinder SCJ32X350-30 Technical Specifications
| Model | Airtac SCJ32 Standard Cylinder SCJ32X350-30 |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø32 mm |
| Nominal stroke | 350 mm |
| Stroke adjustment | Up to 30 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 SCJ32X350-30
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×350 | Nominal (maximum) stroke length in mm. |
| -30 | 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 SCJ32X350-30 Is Used
Commissioning & Fine-Tuning
The 30 mm rear screw lets technicians dial in the exact stroke end during machine setup without swapping cylinders or machining hard stops, speeding up line commissioning.
Small-Part Ejector Adjustment
On a packaging line, the adjustable stroke compensates for product thickness variations or wear on pusher pads, maintaining consistent ejection without reprogramming the PLC.
Sensor & Stop Calibration
Use the SCJ32X350-30 to fine-tune the end position of a sensor bridge or light gate, where a fixed-stroke cylinder would require shimming or bracket modification.
Is the Airtac SCJ32 Standard Cylinder SCJ32X350-30 the Right Cylinder?
Choose the SCJ32 when your application needs roughly 400 N of push at standard plant air. If you require more force, stepping up to the SCJ40 adds 628 N push at 0.5 MPa. For purely fixed-stroke applications, the standard SC32 eliminates the rear adjuster and is slightly shorter overall. The adjustable stroke is a commissioning and changeover tool, not a force limiter—the screw sets the end position only.
To replace an existing SCJ32X350-30, match the 32 mm bore, 350 mm nominal stroke, 30 mm adjustment range, PT1/8 ports, and basic mounting. For strokes of 350 mm, rod deflection under side load becomes a concern; if the load is not guided externally, consider adding an external guide rail or switching to a guided cylinder to protect the rod bearing and seal.
Adjustable-stroke checklist
- ✓ Need to fine-tune stroke on the line?
- ✓ Nominal stroke + adjust range (-30)
- ✓ 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 SCJ32X350-30 FAQ
At 0.5 MPa, push force is 402 N and pull force is 345 N (the difference is due to the 12 mm rod area). At the maximum operating pressure of 0.9 MPa, push force reaches 724 N. Always design your load around the lower pull force if the cylinder works in both directions.
The SCJ32X350-30 has the same bore, rod, port, and mounting footprint as an SC32, but the body is longer (182 mm base length plus stroke) to house the adjusting screw. Ensure you have clearance behind the rear cap for the adjuster mechanism and access to turn the screw.
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