Airtac SCJ32 Standard Cylinder SCJ32X80-40
The AirTAC Airtac SCJ32 Standard Cylinder SCJ32X80-40 is a genuine double-acting SINGLE-ROD air cylinder with a rear-cap ADJUSTING SCREW: the stroke end is field-adjustable within a 40 mm range without swapping the cylinder. Ø32mm bore, 80mm nominal stroke, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Nominal stroke80 mm
- Stroke adjust-40 mm
- Port sizePT1/8
- Rod threadM10×1.25
- CushionAdjustable, 21 mm
About the Airtac SCJ32 Standard Cylinder SCJ32X80-40
The SCJ32X80-40 is a double-acting, single-rod tie-rod cylinder with a 40 mm rear adjusting screw, letting you dial in the exact stroke end position on the fly. With a 12 mm diameter piston rod and PT1/8 ports, it delivers 402 N of push force and 345 N of pull force at 0.5 MPa, making it a precise actuator for light to medium automation tasks.
At 0.9 MPa the push force reaches 724 N, while the 21 mm air cushion at each end decelerates the load smoothly. The body length A is 182 mm for the SCJ configuration, slightly longer than a fixed-stroke SC of the same bore to accommodate the adjustment mechanism.
Airtac SCJ32 Standard Cylinder SCJ32X80-40 Technical Specifications
| Model | Airtac SCJ32 Standard Cylinder SCJ32X80-40 |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø32 mm |
| Nominal stroke | 80 mm |
| Stroke adjustment | Up to 40 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 SCJ32X80-40
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×80 | Nominal (maximum) stroke length in mm. |
| -40 | 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 SCJ32X80-40 Is Used
Commissioning Fine-Tuning
Adjust the 40mm stroke end range to dial in the perfect stop position during machine setup without replacing the cylinder.
Small Part Diverting
Fine-tune the divert gate stop point on a conveyor for different package sizes using the rear adjusting screw.
Wear Compensation
Take up mechanical wear in an end-stop tooling fixture by incrementally adjusting the cylinder stroke outward.
Is the Airtac SCJ32 Standard Cylinder SCJ32X80-40 the Right Cylinder?
Choose the SCJ32X80-40 when you need to fine-tune the stroke end during commissioning or format changes without swapping the cylinder. If the 402 N push force at 0.5 MPa is marginal, stepping up to the SCJ40 (628 N push at 0.5 MPa) provides more power while keeping the adjustable feature. For a fixed, non-adjustable stroke, the standard SC32 is the direct alternative. A genuine replacement must match the 32 mm bore, 80 mm nominal stroke, 40 mm adjust range, PT ports, and basic mounting.
Adjustable-stroke checklist
- ✓ Need to fine-tune stroke on the line?
- ✓ Nominal stroke + adjust range (-40)
- ✓ 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 SCJ32X80-40 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 increases to 724 N.
Yes, if you need field-adjustable stroke. The SCJ32X80-40 matches the 32mm bore and 80mm nominal stroke of an SC32, but adds a 40mm rear adjustment range. Ensure your mounting and porting (PT1/8) are the same.
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