Airtac SCJ100 Standard Cylinder SCJ100X32-40
The AirTAC Airtac SCJ100 Standard Cylinder SCJ100X32-40 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. Ø100mm bore, 32mm nominal stroke, PT1/2 ports and adjustable end cushioning.
- BoreØ100 mm
- Nominal stroke32 mm
- Stroke adjust-40 mm
- Port sizePT1/2
- Rod threadM20×1.5
- CushionAdjustable, 29 mm
About the Airtac SCJ100 Standard Cylinder SCJ100X32-40
The SCJ100X32-40 is a double-acting, single-rod pneumatic cylinder with a field-adjustable stroke end, letting you fine-tune the final position by up to 40 mm without replacing the unit. With a 100 mm bore, it delivers 3927 N of push force at 0.5 MPa and 7068 N at the maximum operating pressure of 0.9 MPa, making it a powerful actuator for heavy-duty positioning tasks.
This model features a 25 mm piston rod, PT1/2 ports, and an M20x1.5 rod thread. The adjustable screw is located in the rear cap and shortens the nominal 32 mm stroke end within the 40 mm adjustment range. The body length A(SCJ) is 245 mm, and the integrated air cushion provides 29 mm of deceleration, ensuring smooth stops even under high inertial loads.
Airtac SCJ100 Standard Cylinder SCJ100X32-40 Technical Specifications
| Model | Airtac SCJ100 Standard Cylinder SCJ100X32-40 |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø100 mm |
| Nominal stroke | 32 mm |
| Stroke adjustment | Up to 40 mm (rear adjusting screw) |
| Acting type | Double acting (single rod) |
| Port size | PT1/2 |
| Rod thread | M20×1.5 |
| 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, 29 mm |
| Max stroke | Up to 1500 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 (Ø100mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3927 N | 3682 N |
| 0.7 MPa | 5498 N | — |
| Max (@1.0 MPa) | 801 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 SCJ100 Standard Cylinder SCJ100X32-40
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×32 | 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 SCJ100 Standard Cylinder SCJ100X32-40 Is Used
End-Stop Fine-Tuning
Use the 40 mm rear adjustment to precisely set the retract position of a heavy press platen, compensating for tooling stack-up tolerances during setup without shims.
Format Changeover
Quickly adapt the stroke of a pallet stop on a conveyor line for different box sizes. The adjustable screw allows operators to change the stopping point in seconds.
Wear Compensation
In high-cycle clamping fixtures, the stroke end can be tweaked over time to take up wear on contact surfaces, maintaining consistent clamping force without replacing the cylinder.
Is the Airtac SCJ100 Standard Cylinder SCJ100X32-40 the Right Cylinder?
Choose the SCJ100X32-40 when you need a 100 mm bore cylinder with the ability to dial in the stroke end on the machine. If your force requirement is lower, stepping down to an 80 mm bore reduces push force to 2513 N at 0.5 MPa, saving air consumption and space. For applications needing a fixed, non-adjustable stroke, the standard SC series is a simpler alternative. A direct replacement must match the 100 mm bore, 32 mm nominal stroke, 40 mm adjustment range, PT port thread, and basic mounting configuration.
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 SCJ100 Standard Cylinder SCJ100X32-40 FAQ
As a single-rod cylinder, push and pull forces differ. At 0.5 MPa, push force is 3927 N and pull force is 3681 N. At the maximum operating pressure of 0.9 MPa, push force reaches 7068 N. The theoretical maximum at 1.0 MPa is 801 kgf.
Yes, the SCJ100X32-40 can replace an SC100X32 if you need field adjustability. Ensure the mounting style, port thread (PT), and magnet option match. The SCJ body is slightly longer to house the adjusting screw, so verify your machine's envelope has clearance for the 245 mm body length.
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