Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X5X10
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X5X10 is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 5mm and 10mm give 4 controllable stop positions across a 15mm total travel, with a Ø40mm bore, PT1/4 ports and adjustable end cushioning.
- BoreØ40 mm
- Stroke 15 mm
- Stroke 210 mm
- Total travel15 mm
- Positions4 stops
- Port sizePT1/4
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X5X10
The SCT40X5X10 is a tandem multi-position cylinder that delivers four fixed rod positions from a compact 40 mm bore: 0 mm (fully retracted), 5 mm, 10 mm, and the total travel of 15 mm. Each piston section generates a push force of 628 N at 0.5 MPa, giving you precise, repeatable short-throw positioning for light assembly or sorting tasks.
Built on a tie-rod design with a 16 mm diameter rod and PT1/4 ports, this unit uses adjustable air cushioning over a 21 mm length to decelerate the load smoothly. The body length A(SCT) is a compact 235 mm, making it easy to fit into tight machine envelopes where two separate cylinders would be impractical.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X5X10 Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X5X10 |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø40 mm |
| Stroke 1 / Stroke 2 | 5 / 10 mm |
| Total travel | 15 mm |
| Stop positions | 4 positions |
| Acting type | Double acting (tandem, multi-position) |
| Port size | PT1/4 |
| Rod thread | M12×1.25 |
| 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) | 5 mm |
| P2 (section 2) | 10 mm |
| P3 (both extended) | 15 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 (Ø40mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 628 N | 528 N |
| 0.7 MPa | 880 N | — |
| Max (@1.0 MPa) | 128 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 SCT40X5X10
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 40 | Bore size in mm (SCT range 32–100). |
| ×5 | Stroke 1 (section 1) in mm. |
| ×10 | 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 SCT40X5X10 Is Used
Two-Stage Sorting Gate
Use the 5 mm and 10 mm stops to divert small parts into two separate lanes on a conveyor, with the 15 mm position acting as a third reject path.
Multi-Level Label Application
Apply labels at two different heights on a product by stopping the cylinder rod at the 5 mm and 10 mm positions for precise tamp-down actions.
Short-Stroke Component Staging
Stage delicate electronic components for a pick-and-place head by presenting them at three distinct Z-axis levels: retracted, 5 mm, and 10 mm.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT40X5X10 the Right Cylinder?
Select this 4-position model when your process needs two distinct short extension points beyond the home position, such as a 5 mm partial advance and a 10 mm secondary stop. If your force requirement grows, stepping up to the 50 mm bore SCT50 provides 982 N of push per section at the same 0.5 MPa pressure. For a direct replacement, match the 40 mm bore, both the 5 mm and 10 mm strokes, PT port thread, and basic mounting configuration.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 5 + 10 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 SCT40X5X10 FAQ
This tandem cylinder provides four discrete mechanical stops: 0 mm (fully retracted), 5 mm, 10 mm, and the combined total of 15 mm. These are fixed by the two piston sections and are not infinitely adjustable.
The SCT integrates two strokes on a single common rod, ensuring the 5 mm and 10 mm positions are inherently synchronized and co-axial. This eliminates the complex bracketry, alignment, and sequencing logic required by two independent cylinders, saving space and improving reliability.
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