Airtac SCJ100 Standard Cylinder SCJ100X40-30TC
The AirTAC Airtac SCJ100 Standard Cylinder SCJ100X40-30TC is a genuine double-acting SINGLE-ROD air cylinder with a rear-cap ADJUSTING SCREW: the stroke end is field-adjustable within a 30 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-30 mm
- Port sizePT1/2
- Rod threadM20×1.5
- CushionAdjustable, 29 mm
About the Airtac SCJ100 Standard Cylinder SCJ100X40-30TC
The SCJ100X40-30TC is a double-acting, single-rod pneumatic cylinder that integrates a rear-cap adjusting screw to provide a 30 mm field-adjustable stroke range on the nominal 40 mm stroke. This 100 mm bore cylinder delivers a substantial 3927 N push force at 0.5 MPa, making it a powerful solution for applications where the end position needs fine-tuning without replacing the cylinder. The body length A(SCJ) is 245 mm.
This configuration includes a centre trunnion (TC) mount, supplied with the TCM1 bracket (order code F-SC100TC), which allows the cylinder to pivot and is ideal for swinging or articulating loads. The 25 mm diameter piston rod and PT1/2 port ensure robust air flow, while the 29 mm air cushion decelerates the piston smoothly at the end of its travel. It operates on filtered air from 0.15 to 1.0 MPa.
Airtac SCJ100 Standard Cylinder SCJ100X40-30TC Technical Specifications
| Model | Airtac SCJ100 Standard Cylinder SCJ100X40-30TC |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø100 mm |
| Nominal stroke | 40 mm |
| Stroke adjustment | Up to 30 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 SCJ100X40-30TC
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×40 | Nominal (maximum) stroke length in mm. |
| -30 | 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 SCJ100X40-30TC Is Used
End-Stop Calibration
The 30 mm adjustment screw allows operators to dial in the exact retract or extend stop position during machine commissioning, compensating for tooling tolerances without mechanical stops.
Product Diverters
With the TC trunnion mount, this cylinder can pivot a diverter gate on a conveyor. The adjustable stroke fine-tunes the gate's open angle for different package sizes.
Clamping & Pressing
Provides a powerful 3927 N clamping force at 0.5 MPa. The stroke can be adjusted to set the exact clamp depth on a workpiece, preventing over-compression or part damage.
Is the Airtac SCJ100 Standard Cylinder SCJ100X40-30TC the Right Cylinder?
Choose the SCJ100X40-30TC when you need high force in a compact 40 mm nominal stroke that can be precisely reduced by up to 30 mm on the machine. If the application requires even more force, stepping up to the 125 mm bore provides 6136 N of push at 0.5 MPa. For a fixed, non-adjustable stroke, the standard SC100X40 cylinder is a simpler alternative. A direct replacement must match the 100 mm bore, 40 mm nominal stroke, 30 mm adjustable range, PT thread, and the TC centre trunnion mount.
Adjustable-stroke checklist
- ✓ Need to fine-tune stroke on the line?
- ✓ Nominal stroke + adjust range (-30)
- ✓ 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 SCJ100X40-30TC FAQ
At the standard 0.5 MPa operating pressure, the push force is 3927 N and the pull force is 3681 N. At the maximum 0.9 MPa operating pressure, the push force increases to 7068 N. The pull force is lower due to the area of the 25 mm piston rod.
Yes, if you need the ability to adjust the stroke end by up to 30 mm. The SCJ100X40-30TC is a direct dimensional replacement for an SC100X40 with a TC mount, but the overall body length is slightly longer to accommodate the rear adjusting mechanism. Ensure your machine has clearance for the adjusting screw.
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