The AirTAC Airtac SCJ63 Standard Cylinder SCJ63X200-10 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. Ø63mm bore, 200mm nominal stroke, PT1/4 ports and adjustable end cushioning.
The SCJ63X200-10 is a double-acting, single-rod pneumatic cylinder with a field-adjustable stroke end. Its rear-cap screw provides up to 10 mm of adjustment, letting you fine-tune the 200 mm nominal stroke during commissioning or changeovers without swapping the unit. The 63 mm bore delivers 1559 N of push force at 0.5 MPa, and the 20 mm piston rod handles demanding push/pull cycles.
Built on a durable tie-rod body with a 197 mm base length, this cylinder includes a 28 mm air cushion for smooth deceleration. It uses a PT1/4 port and M16x1.5 rod thread. The standard TPU seal operates reliably from -20 to +70 °C, making it a solid choice for general industrial automation tasks.
| Model | Airtac SCJ63 Standard Cylinder SCJ63X200-10 |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø63 mm |
| Nominal stroke | 200 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, 28 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.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 1559 N | 1402 N |
| 0.7 MPa | 2182 N | — |
| Max (@1.0 MPa) | 318 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.
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 63 | Bore size in mm. |
| ×200 | 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.
The 10 mm rear adjustment lets technicians dial in the exact stroke end during initial machine setup, compensating for minor fixture variations without needing shims or external hard stops.
Used on conveyors to push products off the line, the adjustable stroke allows operators to fine-tune the gate opening distance for different box sizes, preventing jams.
In clamping fixtures, the screw adjusts for pad wear over time. A simple turn restores the original clamping position, extending maintenance intervals on high-cycle tooling.
Choose the SCJ63X200-10 when you need mid-range force with a modest 10 mm stroke-end tweak range. If your load requires more force, step up to the 80 mm bore, which provides 2513 N push at 0.5 MPa. For a fixed stroke without the adjustment feature, the standard SC63X200 is a direct alternative. This model is a drop-in replacement for another AirTAC SCJ63X200-10 with a PT port and basic mount. For strokes of 200 mm, side-loading is generally manageable, but always align the rod with the load axis to prevent premature seal wear.
Adjustable-stroke checklist
At 0.5 MPa, the push force is 1559 N and the pull force is 1402 N (reduced due to the 20 mm rod area). At the maximum operating pressure of 1.0 MPa, the theoretical push force reaches 3118 N.
Yes, this is a direct replacement for any AirTAC SCJ63X200-10 cylinder with a PT port and basic mounting. Ensure your existing setup uses the same 10 mm adjustment range and that the port thread matches.
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