Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X70X10S
The AirTAC Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X70X10S is a genuine double-acting MULTI-POSITION (tandem) air cylinder: two piston sections of 70mm and 10mm give 4 controllable stop positions across a 80mm total travel, with a Ø32mm bore, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Stroke 170 mm
- Stroke 210 mm
- Total travel80 mm
- Positions4 stops
- Port sizePT1/8
About the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X70X10S
The SCT32X70X10S tandem cylinder delivers four discrete rod positions—fully retracted, 70 mm, 10 mm, and the combined 80 mm stroke—by pressurising its two piston sections independently. Each section provides 402 N of push force at 0.5 MPa, and the built-in magnet allows direct mounting of CMSG/DMSG sensors for position feedback without extra brackets.
This 32 mm bore model uses a 12 mm diameter rod with an M10x1.25 thread and PT1/8 ports. The integrated air cushion (21 mm length) decelerates the load smoothly at each end of the 80 mm total travel, while the tie-rod construction keeps the 233 mm body length rigid and serviceable.
Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X70X10S Technical Specifications
| Model | Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X70X10S |
|---|---|
| Series | SCT multi-position tie-rod cylinder |
| Bore size | Ø32 mm |
| Stroke 1 / Stroke 2 | 70 / 10 mm |
| Total travel | 80 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) | 70 mm |
| P2 (section 2) | 10 mm |
| P3 (both extended) | 80 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 SCT32X70X10S
| SCT | Multi-position (tandem) tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm (SCT range 32–100). |
| ×70 | 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 SCT32X70X10S Is Used
Two-Stage Sorting Gate
The 70 mm stroke diverts a part onto a primary lane, and the additional 10 mm stroke nudges it to a secondary lane, all verified by magnetic sensors on the tie-rod barrel.
Coarse/Fine Clamping
Rapidly close 70 mm to the workpiece, then apply a controlled 10 mm clamping stroke. The sensor confirms each position, preventing over-travel on delicate assemblies.
Dual-Depth Dispensing
A dispensing head moves to a 70 mm fill position and a 10 mm drip-prevention retract. The magnet-equipped SCT gives the PLC a clean signal at both stations.
Is the Airtac SCT32-63 Multi-Position Tandem Air Cylinder SCT32X70X10S the Right Cylinder?
Choose the SCT32X70X10S when your sequence needs two unequal advancing positions—such as a 70 mm primary feed followed by a 10 mm fine-press—without the complexity of two separate cylinders and external hard stops. If your force requirement grows, stepping up to the 40 mm bore SCT provides 628 N of push per section at the same 0.5 MPa pressure.
For a direct replacement, match the 32 mm bore, the exact 70 mm and 10 mm section strokes, PT port thread, basic mounting, and the -S magnet option. Always confirm the sensor type (reed or solid-state) is compatible with your controller before ordering.
Multi-position checklist
- ✓ Need 4 repeatable stops?
- ✓ Section strokes 70 + 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 SCT32X70X10S FAQ
The rod stops at 0 mm (fully retracted), 70 mm (section 1 extended), 10 mm (section 2 extended), and 80 mm (both sections extended, total travel). Each position is reached by pressurising the corresponding piston section.
No. The SCT32X70X10S does not have a mechanical lock. If the load must stay at a mid-stroke position when air is exhausted or power is lost, you must add an external rod brake or a pilot-operated check valve to lock the cylinder ports.
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