Airtac SDA Ultra Thin Cylinder SDA100X45
The AirTAC Airtac SDA Ultra Thin Cylinder SDA100X45 is a genuine double-acting COMPACT (thin) air cylinder with a Ø100mm bore and 45mm stroke, PT3/8 air ports and a riveted short body that saves mounting depth. Sensor slots around the body accept magnetic switches for position sensing.
- BoreØ100 mm
- Stroke45 mm
- Port sizePT3/8
- Acting typeDouble acting
- Rod threadM18×1.5 (F) / M26×1.5 (B)
- CushionFixed NBR bumper (both ends)
About the Airtac SDA Ultra Thin Cylinder SDA100X45
The AirTAC SDA100X45 is a double-acting single-rod compact cylinder engineered to deliver a robust 3927 N push at 0.5 MPa. Its riveted assembly merges the barrel, rear cover, piston and rod into a highly shortened unit, saving valuable axial mounting depth where a traditional round-body cylinder would simply not fit.
This 100 mm bore model features a 32 mm piston rod and PT3/8 ports. It relies on a fixed NBR bumper at each end to decelerate the stroke end rather than an adjustable air cushion. Because this specific SKU lacks the -S magnet, it cannot accept magnetic switches; you would need the -S variant to utilize reed or electronic sensors.
Airtac SDA Ultra Thin Cylinder SDA100X45 Technical Specifications
| Model | Airtac SDA Ultra Thin Cylinder SDA100X45 |
|---|---|
| Series | SDA compact (thin) cylinder |
| Bore size | Ø100 mm |
| Stroke | 45 mm |
| Acting type | Double acting |
| Port size | PT3/8 |
| Rod end thread | M18×1.5 female / M26×1.5 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 |
Specifications follow the official AirTAC SDA compact-cylinder datasheet. Confirm against the product label before installation. Port thread: PT (standard). Rod: female thread (blank) / male thread (B).
Theoretical Output Force (Ø100mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3927 N | 3525 N |
| 0.7 MPa | 5498 N | — |
| Max (@1.0 MPa) | 801 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SDA Ultra Thin Cylinder SDA100X45
| SDA | Compact (thin) double-acting cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×45 | Stroke length in mm. |
| S | Built-in magnet for magnetic-switch position sensing (omit = no magnet). |
| B | Male-thread piston rod (omit = female-thread rod). |
Thread: PT standard. Related SDA-family variants: SSA (single-acting push), STA (single-acting pull), SDAD (double rod), SDAJ (adjustable stroke), SDAT (duplex), SDAW (duplex-end).
Where the Airtac SDA Ultra Thin Cylinder SDA100X45 Is Used
Injection Moulding Extraction
Handles heavy ejection of dense plastic parts from large injection moulding machines where the 5497.8 N extend force at 0.7 MPa easily overcomes mold release friction.
Press Ejection Systems
Provides the robust push needed to eject stamped metal components from heavy-duty mechanical presses within a restricted axial footprint.
Large Material Lifting
Raises heavy material platforms or chutes in bulk material handling lines, utilizing the 32 mm rod to manage substantial vertical lifting tasks.
Is the Airtac SDA Ultra Thin Cylinder SDA100X45 the Right Cylinder?
If you are sizing this actuator, stepping down to the SDA80 provides 2513.3 N of push at 0.5 MPa, whereas this SDA100X45 tops out at 3927 N, offering a safe working load of roughly 2356 N (about 60% of the 0.5 MPa figure) for a 2:1 design margin. As the largest standard bore in the series, there is no larger step up within the SDA family. When ordering, confirm the 100 mm bore, 45 mm stroke, PT3/8 port, female rod-end thread (M18x1.5), and the absence of a sensor magnet. Remember that a plain compact cylinder drifts when air is lost or the valve is centered—the fixed bumper only decelerates near the stroke end and acts as neither a lock nor a brake. To hold a vertical load of approximately 200.2 kg safely without live pressure, an external rod lock or pilot-operated check valve is required.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Short-body depth vs. a round-body cylinder
- ✓ Port/thread type (PT)
- ✓ Magnet (S) for sensors?
- ✓ Female (blank) or male (B) rod thread
- ✓ Side load — avoid on a compact rod
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the short piston rod.
- check Very long strokes are unsuitable for the compact body.
- check Front/rear covers are riveted — do not dismantle.
- check Installation by qualified personnel per AirTAC docs.
Airtac SDA Ultra Thin Cylinder SDA100X45 FAQ
This 100 mm bore double-acting cylinder generates 3927 N push and 3524.9 N pull at 0.5 MPa. At 0.7 MPa, it yields 5497.8 N push and 4934.8 N pull. The theoretical maximum push force is 801 kgf at 1.0 MPa.
No, the SDA100X45 uses a fixed NBR bumper at each end to decelerate the piston. It is not an adjustable air cushion. For high-speed or high-energy cycles, you should slow the approach speed or install an external shock absorber.
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