Airtac SDAD Double Rod Slim Cylinder SDAD63X55B
The AirTAC Airtac SDAD Double Rod Slim Cylinder SDAD63X55B 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 SDAD63X55B
The AirTAC SDAD63X55B is a double-acting compact cylinder featuring a through-rod that exits both ends of the riveted body. Because the rod occupies each chamber equally, the annular area matches on extend and retract, giving an identical push and pull force of 1401.5 N at 0.5 MPa. This symmetric output is highly advantageous for manipulating loads without inducing directional bias.
This specific configuration uses a 63 mm bore with a 55 mm stroke and male M18x1.5 rod threads on both ends. The short body design drastically reduces axial mounting depth compared to standard round-body units. End-of-stroke deceleration relies on a fixed NBR bumper rather than an adjustable air cushion, and since there is no S suffix, this unit lacks a piston magnet for position sensing.
Airtac SDAD Double Rod Slim Cylinder SDAD63X55B Technical Specifications
| Model | Airtac SDAD Double Rod Slim Cylinder SDAD63X55B |
|---|---|
| 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 SDAD63X55B
| 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 SDAD63X55B Is Used
Web Guiding Mechanism
Uses the dual-end male M18x1.5 rods to tension and steer material uniformly, leveraging the 1401.5 N equal bidirectional force to prevent tracking errors.
Symmetric Lift Station
Raises and lowers a 71.4 kg platen vertically, relying on the anti-rotation through-rod to keep the platform perfectly parallel without twisting.
Dual-Action Transfer
Mounts a grip on one rod end and a cam dog on the other, pushing a part forward and pulling the next simultaneously within a tight axial footprint.
Is the Airtac SDAD Double Rod Slim Cylinder SDAD63X55B the Right Cylinder?
When sizing this unit, consider the neighboring bores: stepping down to the SDAD50 yields 824.7 N at 0.5 MPa, while stepping up to the SDAD80 provides 2267.8 N. The 63 mm bore offers a computed safe working load of roughly 841 N (about 60 percent of the 0.5 MPa figure), translating to a vertical lift capacity of approximately 71.4 kg with a 2:1 safety margin. The through-rod geometry inherently resists twisting and permits driving a tool on one end while mounting a dog on the opposite side.
Remember that a standard cylinder cannot hold a load if air pressure drops or the valve centers; the piston will drift, and the fixed NBR bumper only decelerates near the stroke end without acting as a lock. For load holding without live pressure, integrate an external rod lock or a pilot-operated check valve. This SKU includes male M18x1.5 threads, a PT1/4 port, and operates effectively across the 30-500 mm/s speed range.
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 SDAD63X55B 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.
No, this specific SKU lacks the S suffix, meaning it has no piston magnet and cannot trigger reed or electronic switches. You would need the SDAD63X55BS variant to utilize the body sensor grooves.
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