Airtac SCJ100 Standard Cylinder SCJ100X40-10S
The AirTAC Airtac SCJ100 Standard Cylinder SCJ100X40-10S 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. Ø100mm bore, 40mm nominal stroke, PT1/2 ports and adjustable end cushioning.
- BoreØ100 mm
- Nominal stroke40 mm
- Stroke adjust-10 mm
- Port sizePT1/2
- Rod threadM20×1.5
- CushionAdjustable, 29 mm
About the Airtac SCJ100 Standard Cylinder SCJ100X40-10S
The SCJ100X40-10S delivers substantial force in a compact 40 mm nominal stroke package, with a 10 mm rear adjusting screw that lets you fine-tune the stroke end position on the machine without swapping the cylinder. With a 100 mm bore and 25 mm piston rod, it generates 3927 N of push force at 0.5 MPa, making it suitable for pressing, clamping, and heavy-duty positioning tasks where the final stop point must be dialled in precisely.
This model includes a built-in magnet (-S suffix), allowing CMSG, DMSG, or EMSG reed and solid-state sensors to be clamped directly onto the tie-rod barrel for reliable end-of-stroke detection. The standard TPU seal and PT ports keep it ready for general industrial air service, and the body length A(SCJ) is 245 mm, providing a robust footprint for tie-rod mounting.
Airtac SCJ100 Standard Cylinder SCJ100X40-10S Technical Specifications
| Model | Airtac SCJ100 Standard Cylinder SCJ100X40-10S |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø100 mm |
| Nominal stroke | 40 mm |
| Stroke adjustment | Up to 10 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 SCJ100X40-10S
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×40 | 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 SCJ100 Standard Cylinder SCJ100X40-10S Is Used
Clamp Pressure Tuning
Adjust the final clamp position on thick workpieces to prevent crushing or incomplete contact, using the 10 mm screw range for fine resolution.
Heavy-Duty Stop Setting
Set a precise mechanical end-stop for a 3927 N push operation, such as pressing a bushing to a controlled depth without bottoming out the cylinder.
Wear Compensation
Take up mechanical wear in a high-cycle diverting gate, advancing the stroke end by a few millimetres to maintain consistent actuation over time.
Is the Airtac SCJ100 Standard Cylinder SCJ100X40-10S the Right Cylinder?
Choose the SCJ100X40-10S when you need high force in a short body with the ability to trim the stroke end by up to 10 mm during commissioning or format changes. If the application demands even more force, stepping up to the 125 mm bore provides 6136 N push at 0.5 MPa. For a fixed-stroke solution without adjustability, the standard SC100X40 is a direct alternative. To replace this unit, match the 100 mm bore, 40 mm nominal stroke, 10 mm adjust range, PT port thread, and the -S magnet option; the mounting is basic, so no additional brackets are needed.
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 SCJ100 Standard Cylinder SCJ100X40-10S FAQ
At 0.5 MPa, the push force is 3927 N and the pull force is 3681 N, due to the 25 mm rod reducing the piston area on the return stroke. At the maximum operating pressure of 0.9 MPa, push force reaches 7068 N.
A screw in the rear cap limits how far the piston retracts, shortening the stroke end by up to 10 mm from the nominal 40 mm. It does not change the cylinder's force or speed—only the end position.
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