Airtac SDAD Double Rod Slim Cylinder SDAD63X75B
The AirTAC Airtac SDAD Double Rod Slim Cylinder SDAD63X75B is a genuine double-acting COMPACT cylinder with a piston rod out BOTH ends (Ø63mm bore, 75mm 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
- Stroke75 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 SDAD63X75B
The AirTAC SDAD63X75B is a compact double-acting 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 symmetric output is ideal for balanced tooling and prevents the force drop seen in single-rod designs.
This specific SKU includes male M18x1.5 threads on the 20 mm piston rods at both ends, allowing direct mounting of fixtures. The short body design minimizes axial footprint compared to standard profile cylinders. End-of-stroke deceleration is handled by fixed NBR bumpers rather than adjustable air cushions. Note that this variant lacks a piston magnet, so position sensing is not supported without the -S option.
Airtac SDAD Double Rod Slim Cylinder SDAD63X75B Technical Specifications
| Model | Airtac SDAD Double Rod Slim Cylinder SDAD63X75B |
|---|---|
| Series | SDAD compact double-rod cylinder |
| Bore size | Ø63 mm |
| Stroke | 75 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 SDAD63X75B
| SDAD | Compact double-acting cylinder, rod out both ends. |
|---|---|
| 63 | Bore size in mm. |
| ×75 | 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 SDAD63X75B Is Used
Web Guiding Mechanism
Uses the equal 1401.5 N force both ways to tension and steer material webs without directional torque bias, while the dual male M18x1.5 rods mount opposing guide rollers.
Symmetric Transfer Arm
Drives a pick-and-place arm from one rod end while the opposite end counterbalances the load, relying on the through-rod to resist twisting during rapid 30-500 mm/s transfers.
Centering Jig
Pushes a 71.4 kg workpiece from either direction with identical 0.5 MPa force, using the compact riveted body to fit within tight press clearance depths.
Is the Airtac SDAD Double Rod Slim Cylinder SDAD63X75B the Right Cylinder?
When sizing this 63 mm bore, consider the SDAD50 which provides 824.7 N at 0.5 MPa, or step up to the SDAD80 for 2267.8 N. The SDAD63X75B offers a safe working load of approximately 841 N, which is about 60% of its 0.5 MPa rating. This translates to a vertical lift capacity of roughly 71.4 kg with a 2:1 safety margin.
The through-rod geometry resists twisting and allows driving a tool on one end while mounting a dog or secondary mechanism on the opposite side. Remember that a standard cylinder does not hold position if air pressure drops or the valve is centered; the piston will drift. For load holding without live pressure, integrate an external rod lock or pilot-operated check valve. This model features a PT1/4 port, a 75 mm stroke, male M18x1.5 rod threads, and no magnet.
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 SDAD63X75B FAQ
The force is equal in both directions due to the double-rod design. It outputs 1401.5 N at 0.5 MPa, 1962.2 N at 0.7 MPa, and a theoretical maximum of 286 kgf at 1.0 MPa. The maximum operating pressure is 1.0 MPa.
Yes, the through-rod exits both ends with male M18x1.5 threads, allowing you to mount a tool on one side and a dog or secondary fixture on the other. This geometry also prevents the rod from twisting under offset loads.
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