Airtac SCJ50 Standard Cylinder SCJ50X500-10S
The AirTAC Airtac SCJ50 Standard Cylinder SCJ50X500-10S 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. Ø50mm bore, 500mm nominal stroke, PT1/4 ports and adjustable end cushioning.
- BoreØ50 mm
- Nominal stroke500 mm
- Stroke adjust-10 mm
- Port sizePT1/4
- Rod threadM16×1.5
- CushionAdjustable, 21 mm
About the Airtac SCJ50 Standard Cylinder SCJ50X500-10S
The SCJ50X500-10S is a double-acting, single-rod tie-rod cylinder with a rear adjusting screw, offering up to 10 mm of field-adjustable stroke-end reduction from its 500 mm nominal stroke. This allows precise mechanical end-stop tuning without swapping the cylinder, ideal for commissioning and fine process adjustments. At 0.5 MPa, it delivers 982 N of push force and 825 N on the pull stroke, driven by a 20 mm diameter piston rod.
This model includes a built-in magnet (suffix -S), enabling direct mounting of CMSG, DMSG, or EMSG reed and solid-state sensors along the barrel for reliable, non-contact end-of-stroke sensing. The body length A is 194 mm, and the standard PT1/4 port and M16x1.5 rod thread ensure straightforward integration into existing pneumatic circuits.
Airtac SCJ50 Standard Cylinder SCJ50X500-10S Technical Specifications
| Model | Airtac SCJ50 Standard Cylinder SCJ50X500-10S |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø50 mm |
| Nominal stroke | 500 mm |
| Stroke adjustment | Up to 10 mm (rear adjusting screw) |
| Acting type | Double acting (single rod) |
| Port size | PT1/4 |
| Rod thread | M16×1.5 |
| 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, 21 mm |
| Max stroke | Up to 1200 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 (Ø50mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 982 N | 825 N |
| 0.7 MPa | 1374 N | — |
| Max (@1.0 MPa) | 200 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 SCJ50 Standard Cylinder SCJ50X500-10S
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×500 | 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 SCJ50 Standard Cylinder SCJ50X500-10S Is Used
End-Stop Calibration
Fine-tune the retract or extend end position by up to 10 mm during machine commissioning or after tooling changes, eliminating the need for shims or external hard stops.
Wear Compensation
On a packaging line, the screw can be periodically adjusted to take up mechanical play or seal wear in a downstream fixture, maintaining consistent product placement.
Format Changeovers
Quickly adapt the stroke end to accommodate a new product size or batch on a pick-and-place unit without replacing the entire cylinder or reprogramming complex servo stops.
Is the Airtac SCJ50 Standard Cylinder SCJ50X500-10S the Right Cylinder?
Select the SCJ50X500-10S when you need a 500 mm stroke with a small 10 mm adjustment window for fine-tuning end positions. If more adjustment range is needed, consider the -20 or -30 variants. For applications requiring higher force, stepping up to the 63 mm bore provides 1559 N of push force at the same pressure. If the stroke is fixed and never needs field adjustment, the standard SC series is a more economical choice. For a direct replacement, match a 50 mm bore SCJ with a 500 mm nominal stroke, 10 mm adjust range, PT ports, and a magnet-equipped barrel.
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 SCJ50 Standard Cylinder SCJ50X500-10S FAQ
At the standard operating pressure of 0.5 MPa, this cylinder provides a push force of 982 N and a pull force of 825 N. The difference is due to the 20 mm piston rod reducing the effective piston area on the retract stroke.
Yes, if you need the 10 mm stroke adjustment feature. The SCJ shares the same mounting footprint and port sizes as the SC series. Ensure the nominal 500 mm stroke, PT1/4 ports, and the magnet option match your existing setup.
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