Airtac SDAD Double Rod Slim Cylinder SDAD63X120S
The AirTAC Airtac SDAD Double Rod Slim Cylinder SDAD63X120S is a genuine double-acting COMPACT cylinder with a piston rod out BOTH ends (Ø63mm bore, 120mm stroke). The through-rod resists twisting and lets you drive a tool on one end while a switch or dog reads position on the other — with identical force in both directions.
- BoreØ63 mm
- Stroke120 mm
- Port sizePT1/4
- Acting typeDouble acting, double rod
- Rod threadM10×1.5 (F) / M18×1.5 (B)
- CushionFixed NBR bumper (both ends)
About the Airtac SDAD Double Rod Slim Cylinder SDAD63X120S
The AirTAC SDAD63X120S is a double-acting, double-rod compact cylinder featuring a 63mm bore and 120mm stroke. Because the piston rod exits both ends, the annular area remains identical in both chambers, ensuring push force equals pull force at 1401.5 N each way under 0.5 MPa. This symmetric thrust is crucial for balanced load handling.
A built-in piston magnet (-S) enables position detection with AirTAC reed or electronic switches fitted directly into the body grooves. The short riveted body minimizes axial footprint, while fixed NBR bumpers absorb end-of-stroke shock. Operating pressure spans 0.15 to 1.0 MPa, yielding a theoretical maximum of 286 kgf.
Airtac SDAD Double Rod Slim Cylinder SDAD63X120S Technical Specifications
| Model | Airtac SDAD Double Rod Slim Cylinder SDAD63X120S |
|---|---|
| Series | SDAD compact double-rod cylinder |
| Bore size | Ø63 mm |
| Stroke | 120 mm |
| Acting type | Double acting, rod both ends |
| Port size | PT1/4 |
| Rod end thread | M10×1.5 female / M18×1.5 male (B) |
| 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 – 500 mm/s |
| Cushion | Fixed NBR bumper (both ends) |
| Max standard stroke | Up to 120 mm |
Because a rod occupies both cylinder chambers, the effective area — and therefore the force — is identical in both directions. Specifications follow the official AirTAC SDAD datasheet.
Theoretical Output Force (Ø63mm)
| Pressure | Force (both directions) |
|---|---|
| 0.5 MPa | 1402 N |
| 0.7 MPa | 1962 N |
| Max (@1.0 MPa) | 286 kgf |
Force uses the annular (rod-side) area on both strokes, so extend and retract match. Actual usable force is lower than theoretical due to friction. Size with a safety margin.
Model Code: Airtac SDAD Double Rod Slim Cylinder SDAD63X120S
| SDAD | Compact double-acting cylinder, rod out both ends. |
|---|---|
| 63 | Bore size in mm. |
| ×120 | Stroke length in mm. |
| S | Built-in magnet for magnetic-switch sensing (omit = none). |
| B | Male-thread piston rods (omit = female thread). |
Thread: PT standard. Related SDA-family variants: SDA (single rod), SSA/STA (single acting), SDAJ (adjustable stroke), SDAT (duplex), SDAW (duplex-end).
Where the Airtac SDAD Double Rod Slim Cylinder SDAD63X120S Is Used
Web Guiding Mechanism
Utilizes the equal 1401.5 N push and pull force to tension and steer material webs without deflection, while the dual rods prevent rotational drift during high-speed tracking.
Dual-End Transfer Shuttle
Mounts a grip on the primary rod end and a magnetic dog on the opposing end, allowing an external reed switch to confirm the 120mm stroke position while moving heavy jigs.
Symmetric Lift Station
Lifts and lowers a 71.4 kg platen vertically, relying on the matched annular areas to provide stable, balanced thrust in both the extend and retract directions.
Is the Airtac SDAD Double Rod Slim Cylinder SDAD63X120S the Right Cylinder?
When sizing this unit, consider the neighboring bores: the SDAD50 provides 824.7 N at 0.5 MPa, whereas the larger SDAD80 offers 2267.8 N. The 63mm bore strikes a middle ground, delivering a safe working load of roughly 841 N (about 60 percent of its 0.5 MPa rating) and a vertical lift capacity near 71.4 kg with a 2:1 safety margin.
The through-rod design inherently resists twisting, allowing you to mount a work tool on one end and a position dog on the opposite side. This specific configuration includes the female M10x1.5 rod-end thread, a PT1/4 air port, and the -S magnet. Remember that a standard cylinder drifts if air pressure drops; utilize an external rod lock or pilot-operated check valve for secure load holding.
Quick checklist
- ✓ Need equal force both directions?
- ✓ Anti-rotation / dual-end mounting?
- ✓ Space for a rod that exits both ends
- ✓ Port/thread type (PT)
- ✓ 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 Leave clearance for the rod exiting both ends.
- check Avoid side load on either rod end.
- check Front/rear covers are riveted — do not dismantle.
- check Installation by qualified personnel per AirTAC docs.
Airtac SDAD Double Rod Slim Cylinder SDAD63X120S FAQ
The double-rod design provides equal force in both directions: 1401.5 N at 0.5 MPa and 1962.2 N at 0.7 MPa. The theoretical maximum output is 286 kgf at 1.0 MPa, with a proof pressure of 1.5 MPa.
No, the piston will drift if air is lost or the valve is centered. The fixed NBR bumpers only decelerate the stroke near the end points; they do not act as a brake. For load holding, you must install an external rod lock or a pilot-operated check valve.
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