Airtac SCJ32 Standard Cylinder SCJ32X150-75
The AirTAC Airtac SCJ32 Standard Cylinder SCJ32X150-75 is a genuine double-acting SINGLE-ROD air cylinder with a rear-cap ADJUSTING SCREW: the stroke end is field-adjustable within a 75 mm range without swapping the cylinder. Ø32mm bore, 150mm nominal stroke, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Nominal stroke150 mm
- Stroke adjust-75 mm
- Port sizePT1/8
- Rod threadM10×1.25
- CushionAdjustable, 21 mm
About the Airtac SCJ32 Standard Cylinder SCJ32X150-75
The SCJ32X150-75 is a double-acting, single-rod pneumatic cylinder with a rear-cap adjusting screw, providing a 75 mm field-adjustable stroke-end range on a 150 mm nominal stroke. This allows fine-tuning of the piston stop position without removing the cylinder, ideal for commissioning and format changes. The 32 mm bore delivers 402 N of push force at 0.5 MPa and 724 N at the maximum operating pressure of 0.9 MPa, with a 12 mm diameter piston rod.
With a body length of 182 mm and a 21 mm air cushion at each end, this cylinder decelerates the load smoothly. The PT1/8 port and M10x1.25 rod thread are standard. This model is a basic configuration with TPU seals and PT threads, suitable for standard -20 to +70 °C environments. The adjustable stroke end is set by a mechanical screw, which does not lock the piston; an external brake is required if the load must be held without air pressure.
Airtac SCJ32 Standard Cylinder SCJ32X150-75 Technical Specifications
| Model | Airtac SCJ32 Standard Cylinder SCJ32X150-75 |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø32 mm |
| Nominal stroke | 150 mm |
| Stroke adjustment | Up to 75 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 SCJ32X150-75
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×150 | Nominal (maximum) stroke length in mm. |
| -75 | 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 SCJ32X150-75 Is Used
End-Stop Fine-Tuning
Adjust the 75 mm stroke-end range on the fly to compensate for tooling wear or slight variations in part dimensions, ensuring consistent pressing or clamping depth without reprogramming.
Commissioning Trials
During machine commissioning, the adjustable screw lets technicians empirically find the optimal stroke end for a new process, then lock it down, saving time over swapping fixed-stroke cylinders.
Small-Part Sorting Gate
Use the adjustable stroke to set the precise opening of a diverter gate on a conveyor for different product sizes, providing 724 N of push force at 0.9 MPa to move the gate reliably.
Is the Airtac SCJ32 Standard Cylinder SCJ32X150-75 the Right Cylinder?
Choose the SCJ32X150-75 when you need to dial in a precise stroke end within a 75 mm window during setup or product changeover. If the 402 N push force at 0.5 MPa is marginal, stepping up to the SCJ40 bore provides 628 N of push force. For applications where the stroke is fixed and never needs adjustment, the standard SC32 fixed-stroke cylinder is a simpler, more economical choice. A direct replacement must match the 32 mm bore, 150 mm nominal stroke, 75 mm adjust range, PT ports, and basic mounting.
Adjustable-stroke checklist
- ✓ Need to fine-tune stroke on the line?
- ✓ Nominal stroke + adjust range (-75)
- ✓ 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 SCJ32X150-75 FAQ
The theoretical push force is 402 N at 0.5 MPa and 724 N at 0.9 MPa. The pull force on the return stroke is 345 N at 0.5 MPa, as the 12 mm rod reduces the effective piston area.
A mechanical screw in the rear cap sets the stroke end position. You can shorten the 150 mm nominal stroke by up to 75 mm. It adjusts the stopping point only and does not change the cylinder's force or speed.
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