Airtac SCJ32 Standard Cylinder SCJ32X100-75
The AirTAC Airtac SCJ32 Standard Cylinder SCJ32X100-75 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, 100mm nominal stroke, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Nominal stroke100 mm
- Stroke adjust-75 mm
- Port sizePT1/8
- Rod threadM10×1.25
- CushionAdjustable, 21 mm
About the Airtac SCJ32 Standard Cylinder SCJ32X100-75
The SCJ32X100-75 is a double-acting, single-rod pneumatic cylinder with a 75 mm field-adjustable stroke range, letting you precisely dial in the stroke end position from 25 mm up to the nominal 100 mm maximum. Its 12 mm diameter piston rod and M10x1.25 rod thread deliver a push force of 402 N at 0.5 MPa, making it a compact workhorse for light-duty positioning tasks.
Built with a tie-rod construction and a PT1/8 port, this cylinder includes an adjustable air cushion (21 mm long) to decelerate the piston smoothly. The rear adjusting screw provides a mechanical end-stop that is ideal for commissioning trials or format changeovers where the exact stroke length must be tuned on the machine without replacing the cylinder or adding external hard stops.
Airtac SCJ32 Standard Cylinder SCJ32X100-75 Technical Specifications
| Model | Airtac SCJ32 Standard Cylinder SCJ32X100-75 |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø32 mm |
| Nominal stroke | 100 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 SCJ32X100-75
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×100 | 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 SCJ32X100-75 Is Used
Commissioning & Setup
The 75 mm adjustment range allows engineers to fine-tune the actuator's end position during initial machine setup, eliminating the need to stock multiple fixed-stroke cylinders for trial-and-error fitting.
Small Part Stops & Gates
Ideal for creating adjustable mechanical stops or diverter gates on small conveyor lines. The stroke can be easily changed to accommodate different product sizes without any disassembly.
Wear Compensation
In clamping or pressing fixtures, the adjustable screw can be periodically advanced to compensate for wear on tooling or contact surfaces, maintaining consistent clamping force without reprogramming a controller.
Is the Airtac SCJ32 Standard Cylinder SCJ32X100-75 the Right Cylinder?
Choose the SCJ32 when you need a compact, adjustable stroke up to 100 mm with a push force of 402 N at 0.5 MPa. If your application requires more force, step up to the SCJ40 bore, which provides 628 N of push force at the same pressure. For applications needing a fixed, non-adjustable stroke, the standard SC32 series is a more economical choice.
This model is a direct replacement for any AirTAC SCJ32X100-75 cylinder with PT ports and basic mounting. For strokes of 100 mm, rod buckling is generally not a concern under axial loads, but always ensure the load is guided to prevent side-loading on the rod bearing.
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 SCJ32X100-75 FAQ
A screw mechanism in the rear cap acts as an adjustable end-stop for the piston. By turning the screw, you can shorten the return stroke by up to 75 mm, setting the final retracted position anywhere between 25 mm and the full 100 mm nominal stroke. It adjusts the stroke end mechanically, not the force or speed.
At the standard 0.5 MPa operating pressure, the push force is 402 N and the pull force is 345 N. At the maximum operating pressure of 1.0 MPa, the theoretical push force reaches 804 N. The pull force is lower because the rod reduces the effective piston area on the return stroke.
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