Airtac SCJ32 Standard Cylinder SCJ32X50-10
The AirTAC Airtac SCJ32 Standard Cylinder SCJ32X50-10 is a genuine double-acting SINGLE-ROD air cylinder with a rear-cap ADJUSTING SCREW: the stroke end is field-adjustable within a 10 mm range without swapping the cylinder. Ø32mm bore, 50mm nominal stroke, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Nominal stroke50 mm
- Stroke adjust-10 mm
- Port sizePT1/8
- Rod threadM10×1.25
- CushionAdjustable, 21 mm
About the Airtac SCJ32 Standard Cylinder SCJ32X50-10
The SCJ32X50-10 is a 32 mm bore, double-acting single-rod cylinder with a field-adjustable stroke end. Its rear adjusting screw provides up to 10 mm of stroke shortening, letting you fine-tune the end position during commissioning or changeovers without swapping the cylinder. At 0.5 MPa, it delivers 402 N of push force and 345 N on the pull stroke, with a 12 mm diameter piston rod and PT1/8 ports.
This tie-rod cylinder uses a 21 mm air cushion to decelerate the piston quietly at stroke end. The body length A is 182 mm, making it compact for light positioning and gauging tasks. The adjustable screw only sets the stroke end—it does not alter force or speed. For position holding when air is off, an external rod lock or pilot-operated check valve is required.
Airtac SCJ32 Standard Cylinder SCJ32X50-10 Technical Specifications
| Model | Airtac SCJ32 Standard Cylinder SCJ32X50-10 |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø32 mm |
| Nominal stroke | 50 mm |
| Stroke adjustment | Up to 10 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 SCJ32X50-10
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×50 | Nominal (maximum) stroke length in mm. |
| -10 | 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 SCJ32X50-10 Is Used
End-Stop Calibration
The 10 mm adjusting screw allows operators to quickly dial in the final position of a sensor bracket or test probe during machine setup, eliminating the need for shims or custom spacers.
Small-Part Ejection
Used on a pick-and-place unit for electronics, the adjustable stroke lets you fine-tune the eject distance for different component heights without reprogramming the actuator.
Wear Compensation
In a clamping fixture, the stroke end can be adjusted over time to take up mechanical wear in the linkage, maintaining consistent clamping force without replacing the cylinder.
Is the Airtac SCJ32 Standard Cylinder SCJ32X50-10 the Right Cylinder?
Choose the SCJ32X50-10 when you need to dial in a precise end stop on a 32 mm bore platform. If more push force is needed, step up to the 40 mm bore SCJ40 series, which provides 628 N of push at 0.5 MPa. For applications that do not require stroke adjustment, the fixed-stroke SC32 cylinder is a simpler, lower-cost alternative. When replacing this unit, match the bore, 50 mm nominal stroke, 10 mm adjust range, PT port thread, and basic mounting style exactly.
At this 50 mm stroke, rod bending from side loads is typically not a concern, but always align the load axially with the rod to maximize seal and bearing life. If the load path is not straight, consider adding an external linear guide.
Adjustable-stroke checklist
- ✓ Need to fine-tune stroke on the line?
- ✓ Nominal stroke + adjust range (-10)
- ✓ 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 SCJ32X50-10 FAQ
At the standard 0.5 MPa operating pressure, the push force is 402 N and the pull force is 345 N. The maximum push force at the 0.9 MPa upper limit is 724 N. The pull force is lower because the 12 mm rod reduces the effective piston area on the return stroke.
Yes, if you need the adjustable stroke feature. The SCJ32X50-10 has the same bore, port size, and mounting footprint as an SC32, but the body is slightly longer to house the adjusting screw. Ensure the 10 mm adjustment range and the longer body length fit your machine envelope.
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