Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X287X287
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X287X287 is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 287mm and 287mm give 3 controllable stop positions across a 574mm total travel, with a Ø63mm bore, PT1/4 ports and adjustable end cushioning.
- BoreØ63 mm
- Stroke 1287 mm
- Stroke 2287 mm
- Total travel574 mm
- Positions3 stops
- Port sizePT1/4
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X287X287
The SCT63X287X287 is a double-acting, multi-position pneumatic cylinder that provides three fixed rod positions: fully retracted (0 mm), extended to the first stroke (287 mm), and fully extended to the combined travel of 574 mm. Each of its two piston sections generates a push force of 1559 N at 0.5 MPa, rising to 2805 N at the maximum operating pressure of 0.9 MPa, driven through a 20 mm diameter rod.
This tie-rod cylinder uses a PT1/4 port and features an adjustable air cushion with a 28 mm cushion length to manage end-of-stroke deceleration. The body length A(SCT) is 249 mm plus the two stroke lengths, making it a compact solution for applications needing three precise mechanical stops without complex electronic controls.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X287X287 Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X287X287 |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø63 mm |
| Stroke 1 / Stroke 2 | 287 / 287 mm |
| Total travel | 574 mm |
| Stop positions | 3 positions |
| Acting type | Double acting (tandem, multi-position) |
| 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 / section | Up to 500 mm standard |
Specifications follow the official AirTAC SCT (multi-position) datasheet. SCT is available in bores 32–100; each of the two sections has a 500 mm max standard stroke (800 mm max). Confirm against the product label before installation. Thread options: PT (standard) / G.
Stop Positions (3)
| Position | Rod extension |
|---|---|
| P0 (retracted) | 0 mm |
| P1 (section 1) | 287 mm |
| P2 (both extended) | 574 mm |
Positions are set by pressurising section 1, section 2, or both. With equal strokes you get 3 distinct positions; with unequal strokes you get 4.
Theoretical Output Force (Ø63mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 1559 N | 1402 N |
| 0.7 MPa | 2182 N | — |
| Max (@1.0 MPa) | 318 kgf | |
Force is per actuated piston section (single-piston, same as the SC bore): push uses the full bore area, pull subtracts the rod area. Size with a safety margin.
Model Code: Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X287X287
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 63 | Bore size in mm (SCT range 32–100). |
| ×287 | Stroke 1 (section 1) in mm. |
| ×287 | Stroke 2 (section 2) in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related types: SC (single rod), SCD (double rod), SCJ (adjustable stroke). SCT mounting: Basic, FA, FB, CA, CB, LB. Seals: TPU standard / H = Viton / N = NBR. Thread: blank = PT, G = G thread.
Where the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X287X287 Is Used
Three-Position Diverter Gate
Actuates a conveyor diverter to three lanes. The rod positions at 0, 287, and 574 mm align the gate chute to feed left, center, or right conveyor lines with repeatable precision.
Two-Depth Clamping Fixture
Provides two distinct clamping depths for different workpiece thicknesses on an assembly jig. The 287 mm stroke handles tall parts, while the 574 mm total travel clamps shorter parts securely.
Multi-Stop Pallet Stop
Positions a pallet at three locations along a roller conveyor for sequential filling stations. The cylinder stops the pallet at the first fill point (287 mm) and the second fill point (574 mm) before retracting.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X287X287 the Right Cylinder?
Select the SCT tandem cylinder when a single actuator must stop at three distinct positions, eliminating the cost and complexity of two separate cylinders with external hard stops. For this 63 mm bore, the push force is 1559 N per section at 0.5 MPa; if a higher per-section force is needed, step up to the 80 mm bore which provides 2513 N push at the same pressure. A direct replacement must match the 63 mm bore, both 287 mm strokes, PT port thread, and basic mounting.
With a per-section stroke of 287 mm, the extended rod has significant unsupported length. Evaluate the application for side loads and consider adding an external guide or rod support to prevent bending and ensure long seal life.
Multi-position checklist
- ✓ Need 3 repeatable stops?
- ✓ Section strokes 287 + 287 mm suit your layout?
- ✓ 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 Plumb the two sections to the correct valves for each stop.
- check Adjust end cushion screws for smooth stops.
- check Use SCT mounting accessory (FA / FB / CA / CB / LB).
- check Installation by qualified personnel per AirTAC docs.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT63X287X287 FAQ
This model provides three distinct mechanical stop positions because the two stroke sections are equal at 287 mm each. The rod stops at 0 mm (fully retracted), 287 mm (first section extended), and 574 mm (both sections extended for total travel).
Yes, in many cases it can. The SCT63X287X287 integrates two strokes into one tandem body, providing the same three positions with fewer fittings and a single mounting footprint. Ensure the per-section force of 1559 N at 0.5 MPa meets your load requirements, as the force does not double when both sections are pressurized.
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