Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X180X40S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X180X40S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 180mm and 40mm give 4 controllable stop positions across a 220mm total travel, with a Ø32mm bore, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Stroke 1180 mm
- Stroke 240 mm
- Total travel220 mm
- Positions4 stops
- Port sizePT1/8
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X180X40S
The SCT32X180X40S is a tandem multi-position cylinder that delivers four discrete rod stops at 0 mm, 40 mm, 180 mm, and 220 mm by pressurising its two piston sections independently. With a 32 mm bore and a 12 mm diameter rod, each section provides a push force of 402 N at 0.5 MPa, making it a compact solution for light-duty sequencing tasks.
A built-in magnet on the barrel allows direct mounting of CMSG, DMSG, or EMSG sensors for end-of-stroke or mid-position confirmation without extra brackets. The cylinder body has a fixed length A of 233 mm and uses PT1/8 ports, with an adjustable air cushion of 21 mm to decelerate the load smoothly at each stop.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X180X40S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X180X40S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø32 mm |
| Stroke 1 / Stroke 2 | 180 / 40 mm |
| Total travel | 220 mm |
| Stop positions | 4 positions |
| Acting type | Double acting (tandem, multi-position) |
| Port size | PT1/8 |
| Rod thread | M10×1.25 |
| 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 / 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 (4)
| Position | Rod extension |
|---|---|
| P0 (retracted) | 0 mm |
| P1 (section 1) | 180 mm |
| P2 (section 2) | 40 mm |
| P3 (both extended) | 220 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 (Ø32mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | — |
| Max (@1.0 MPa) | 82 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 SCT32X180X40S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm (SCT range 32–100). |
| ×180 | Stroke 1 (section 1) in mm. |
| ×40 | 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 SCT32X180X40S Is Used
Two-Way Part Diverting
Use the 40 mm stroke to nudge parts onto a bypass lane and the full 220 mm travel to push them into a reject chute, all from one cylinder body.
Sequential Clamping
The 40 mm stop applies a light pre-clamp force, while the 180 mm position delivers the full stroke for final part holding, ideal for delicate assembly fixtures.
Two-Depth Stamping
Drive a marking head to a shallow 40 mm depth for one product code and a deep 180 mm depth for another, with the 220 mm position used for tool change clearance.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X180X40S the Right Cylinder?
Choose the SCT32X180X40S when a process needs two distinct extension lengths from one compact actuator, avoiding the cost and complexity of two separate cylinders. If the 402 N per-section push force is marginal, stepping up to the 40 mm bore SCT provides 628 N per section at the same pressure. For replacement, match the 32 mm bore, both 180 mm and 40 mm strokes, PT port thread, basic mounting, and the -S magnet option exactly to ensure the sensor brackets fit the existing setup. With a combined stroke of 220 mm, ensure the rod is guided if the load applies a significant side force.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 180 + 40 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 SCT32X180X40S FAQ
This 4-position cylinder stops at 0 mm (fully retracted), 40 mm (section 2 extended), 180 mm (section 1 extended), and 220 mm (both sections extended). The stops are fixed by the two stroke lengths and are not infinitely adjustable.
Yes, if your application requires two fixed extension points. The SCT32X180X40S provides the 40 mm and 180 mm strokes from a single tie-rod body, saving space and eliminating the need to synchronise two separate actuators. Ensure the replacement matches the 32 mm bore, both strokes, PT ports, and the -S magnet.
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