Airtac SCJ100 Standard Cylinder SCJ100X350-10
The AirTAC Airtac SCJ100 Standard Cylinder SCJ100X350-10 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, 350mm nominal stroke, PT1/2 ports and adjustable end cushioning.
- BoreØ100 mm
- Nominal stroke350 mm
- Stroke adjust-10 mm
- Port sizePT1/2
- Rod threadM20×1.5
- CushionAdjustable, 29 mm
About the Airtac SCJ100 Standard Cylinder SCJ100X350-10
The SCJ100X350-10 is a double-acting, single-rod pneumatic cylinder with a field-adjustable stroke end, providing a 10 mm adjustment range via a rear-cap screw. This model delivers a substantial 3927 N of push force at 0.5 MPa, making it a powerful choice for heavy-duty positioning tasks where the final stroke length must be fine-tuned during commissioning or changeover.
With a 100 mm bore, 25 mm diameter piston rod, and PT1/2 port, the cylinder body has an A dimension of 245 mm. The adjustable screw shortens the nominal 350 mm stroke by up to 10 mm without altering the cylinder's mounting envelope, allowing engineers to dial in an exact end position for clamping, pressing, or ejecting applications.
Airtac SCJ100 Standard Cylinder SCJ100X350-10 Technical Specifications
| Model | Airtac SCJ100 Standard Cylinder SCJ100X350-10 |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø100 mm |
| Nominal stroke | 350 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 SCJ100X350-10
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×350 | 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 SCJ100X350-10 Is Used
Clamp Stroke Fine-Tuning
A fixture clamp in a welding cell requires a precise final position to accommodate part tolerance variations. The 10 mm adjustment screw on the SCJ100X350-10 lets operators quickly dial in the perfect clamping stroke without removing the cylinder or adding shims.
Product Stop Adjustment
On a packaging conveyor, a pneumatic stop gate must be repositioned for different box sizes. The adjustable stroke allows maintenance staff to change the gate's extended position by up to 10 mm in seconds, minimizing changeover time between product runs.
Press-Fit Depth Control
During the assembly of a bushing into a housing, the insertion depth is critical. The SCJ100X350-10's rear adjusting screw provides a hard, repeatable end-stop that can be finely tuned to ensure every bushing is pressed to the exact same depth, compensating for tooling stack-up.
Is the Airtac SCJ100 Standard Cylinder SCJ100X350-10 the Right Cylinder?
Select the SCJ100X350-10 when a 350 mm stroke is needed but the end position requires on-machine fine-tuning within a 10 mm window. If the application demands more force, stepping up to the 125 mm bore provides 6136 N of push force at the same pressure. For a fixed, non-adjustable stroke, the standard SC100X350 cylinder is a direct alternative. A genuine replacement must match the 100 mm bore, 350 mm nominal stroke, 10 mm adjust range, PT port thread, and basic mounting. For this 350 mm stroke length, evaluate side-loading on the 25 mm rod; if lateral forces are present, an external guide rail or a guided cylinder should be used to prevent rod bending and premature seal wear.
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 SCJ100X350-10 FAQ
At the standard operating pressure of 0.5 MPa, the cylinder generates 3927 N of push force on extension. The pull force on retraction is lower, at 3681 N, due to the area of the 25 mm piston rod. At the maximum operating pressure of 0.9 MPa, the push force reaches 7068 N.
You can replace a fixed-stroke cylinder with the SCJ100X350-10 only if the adjustable screw does not interfere with your machine's design and you need the 10 mm of end-stroke adjustment. The body length (A dimension) is 245 mm, which is longer than a standard SC100 cylinder. A direct replacement must match the 100 mm bore, 350 mm nominal stroke, PT port thread, and basic mounting style.
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