Airtac SCJ32 Standard Cylinder SCJ32X75-50
The AirTAC Airtac SCJ32 Standard Cylinder SCJ32X75-50 is a genuine double-acting SINGLE-ROD air cylinder with a rear-cap ADJUSTING SCREW: the stroke end is field-adjustable within a 50 mm range without swapping the cylinder. Ø32mm bore, 75mm nominal stroke, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Nominal stroke75 mm
- Stroke adjust-50 mm
- Port sizePT1/8
- Rod threadM10×1.25
- CushionAdjustable, 21 mm
About the Airtac SCJ32 Standard Cylinder SCJ32X75-50
The SCJ32X75-50 brings field-adjustable stroke control to compact pneumatic tasks, letting you fine-tune the end position by up to 50 mm without replacing the cylinder. Its 12 mm diameter piston rod and M10x1.25 knuckle thread handle precise tooling adjustments, while the 21 mm air cushion at each end protects the assembly during high-cycle operation.
At 0.5 MPa, this double-acting single-rod unit delivers 402 N of push force and 345 N on the pull stroke, making it suitable for light clamping and sorting mechanisms. The rear adjusting screw sets the stroke end within a 50 mm window, so commissioning engineers can dial in the exact travel needed on the machine.
Airtac SCJ32 Standard Cylinder SCJ32X75-50 Technical Specifications
| Model | Airtac SCJ32 Standard Cylinder SCJ32X75-50 |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø32 mm |
| Nominal stroke | 75 mm |
| Stroke adjustment | Up to 50 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 SCJ32X75-50
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×75 | Nominal (maximum) stroke length in mm. |
| -50 | 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 SCJ32X75-50 Is Used
End-Stop Commissioning
Fine-tune the retract or extend stop during machine setup with the 50 mm adjustment screw, eliminating the need to shim or reposition the cylinder body.
Wear Compensation
Compensate for tooling wear in light press or staking fixtures by gradually extending the stroke end, maintaining consistent part contact without reprogramming.
Small Part Sorting
Adjust the push stroke on a diverter gate to handle different product widths, using the 402 N force to reliably redirect items on a compact conveyor line.
Is the Airtac SCJ32 Standard Cylinder SCJ32X75-50 the Right Cylinder?
Step up to the SCJ40 series when your application demands more than the 402 N push force this 32 mm bore provides at 0.5 MPa—the 40 mm bore offers 628 N. For fixed-stroke jobs where no field adjustment is needed, the standard SC32X75 is a simpler alternative. To replace this unit, match the 32 mm bore, 75 mm nominal stroke, 50 mm adjust range, PT ports, and basic mounting. If the 75 mm stroke is close to the rod's buckling limit under side load, consider adding an external guide rail.
Adjustable-stroke checklist
- ✓ Need to fine-tune stroke on the line?
- ✓ Nominal stroke + adjust range (-50)
- ✓ 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 SCJ32X75-50 FAQ
At the standard 0.5 MPa operating pressure, it generates 402 N pushing and 345 N pulling. The maximum push force at 0.9 MPa is 724 N.
A screw in the rear cap lets you shorten the stroke end by up to 50 mm. It sets the mechanical stop position for the piston, giving you field-adjustable travel without changing the cylinder's nominal 75 mm rating.
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