Airtac SDAD Double Rod Slim Cylinder SDAD63X55
The AirTAC Airtac SDAD Double Rod Slim Cylinder SDAD63X55 is a genuine double-acting COMPACT cylinder with a piston rod out BOTH ends (Ø63mm bore, 55mm 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
- Stroke55 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 SDAD63X55
The AirTAC SDAD63X55 is a double-acting compact cylinder featuring a through-rod that exits both ends of the riveted body. Because the rod occupies both chambers, the annular area is identical on extend and retract, yielding equal push and pull force of 1401.5 N at 0.5 MPa. This symmetry is ideal for driving loads that require consistent momentum in both directions.
This 63 mm bore unit runs on a PT1/4 port and moves a 20 mm diameter rod at each end. The short body design drastically cuts axial mounting depth compared to conventional round-body cylinders. End-of-stroke deceleration is handled by a fixed NBR bumper rather than an adjustable air cushion, and this specific SKU lacks a piston magnet, so it cannot directly host magnetic switches.
Airtac SDAD Double Rod Slim Cylinder SDAD63X55 Technical Specifications
| Model | Airtac SDAD Double Rod Slim Cylinder SDAD63X55 |
|---|---|
| Series | SDAD compact double-rod cylinder |
| Bore size | Ø63 mm |
| Stroke | 55 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 SDAD63X55
| SDAD | Compact double-acting cylinder, rod out both ends. |
|---|---|
| 63 | Bore size in mm. |
| ×55 | 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 SDAD63X55 Is Used
Web Guiding Mechanism
Utilizes the anti-rotation through-rod to keep a tracking roller perfectly aligned while adjusting film or foil tension equally in both directions.
Dual-End Transfer Pusher
Drives a product pusher on the front stroke while simultaneously moving a diverter gate on the rear rod end, capitalizing on the 1401.5 N equal force.
Symmetric Lift Station
Raises and lowers a 71.4 kg machining fixture with identical force on the way up and down, ensuring smooth deceleration via the fixed NBR bumpers.
Is the Airtac SDAD Double Rod Slim Cylinder SDAD63X55 the Right Cylinder?
When sizing this model against its neighbors, the SDAD50 provides 824.7 N at 0.5 MPa, while the larger SDAD80 jumps to 2267.8 N at 0.5 MPa. The SDAD63X55 strikes a balance with 1401.5 N at 0.5 MPa, offering a safe working load of roughly 841 N (about 60 percent of capacity) and a vertical lift capability near 71.4 kg with a 2:1 safety margin. This makes it highly effective for moderate to heavy symmetric actuation.
The through-rod geometry resists twisting and permits mounting a tool on one end while using the opposite end for a mechanical dog. Remember that a standard cylinder drifts when air is lost or the valve centers, as the NBR bumper only decelerates near stroke end and acts as neither a lock nor a brake; utilize an external rod lock or pilot-operated check valve for strict load holding. This configuration features a 55 mm stroke, female M10x1.5 rod-end threads on both sides, and operates at 30-500 mm/s.
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 SDAD63X55 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 is 286 kgf at 1.0 MPa, with a proof pressure of 1.5 MPa.
No, this specific SKU does not include a piston magnet, so it cannot host reed or electronic switches. You would need the -S variant to enable sensing along the body grooves.
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