Airtac SDA Ultra Thin Cylinder SDA100X35B
The AirTAC Airtac SDA Ultra Thin Cylinder SDA100X35B is a genuine double-acting COMPACT (thin) air cylinder with a Ø100mm bore and 35mm 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
- Stroke35 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 SDA100X35B
The AirTAC SDA100X35B is a double-acting single-rod compact cylinder engineered for heavy-duty automation within a minimal axial envelope. By utilizing a short riveted body that integrates the barrel, rear cover, piston, and rod, it drastically reduces mounting depth compared to conventional round-body actuators. In this 100 mm bore configuration, it generates a substantial 3927 N push and 3524.9 N pull at 0.5 MPa, operating efficiently at speeds between 30-500 mm/s.
This specific SKU features a male-thread piston rod end (M26x1.5) for secure mechanical load coupling, paired with a robust 32 mm rod diameter to handle high forces. End-of-stroke deceleration is managed by a fixed NBR bumper at each end rather than an adjustable air cushion, meaning external shock absorbers should be added for high-energy impacts. Note that this unit lacks the -S magnet option and therefore cannot support magnetic sensing.
Airtac SDA Ultra Thin Cylinder SDA100X35B Technical Specifications
| Model | Airtac SDA Ultra Thin Cylinder SDA100X35B |
|---|---|
| Series | SDA compact (thin) cylinder |
| Bore size | Ø100 mm |
| Stroke | 35 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 SDA100X35B
| SDA | Compact (thin) double-acting cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×35 | 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 SDA100X35B Is Used
Injection Mold Ejection
Provides the heavy 3927 N push force required to eject dense plastic parts from large injection molding machinery, utilizing the 35 mm stroke for rapid retraction.
Press Fit Assembly
Drives large bearings or shafts into heavy housings on automotive assembly lines, where the male M26x1.5 rod thread securely mounts the tooling fixture.
Pallet Lifting Gate
Actuates a robust vertical guide gate in high-capacity palletizing systems, moving loads safely within the 2356 N safe working limit at 0.5 MPa.
Is the Airtac SDA Ultra Thin Cylinder SDA100X35B the Right Cylinder?
When sizing this actuator, evaluate your force requirements carefully. Stepping down, the SDA80 provides 2513.3 N push at 0.5 MPa, which may suffice for lighter loads while saving even more space. If the SDA100X35B is chosen, the computed safe working load is approximately 2356 N (about 60% of the 3927 N figure), allowing a vertical lift of roughly 200.2 kg with a 2:1 safety margin. Confirm your ordering essentials: 100 mm bore, 35 mm stroke, PT3/8 port, male M26x1.5 rod thread, and no sensor magnet. Remember that a standard compact cylinder does not hold its position if air pressure is lost or the valve is centered; the piston will drift, and the fixed bumper only decelerates near the stroke end. For suspended or vertical loads, integrate an external rod lock or a pilot-operated check valve.
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 SDA100X35B FAQ
At 0.5 MPa, this 100 mm bore cylinder provides 3927 N push and 3524.9 N pull. At 0.7 MPa, it delivers 5497.8 N push and 4934.8 N pull. The theoretical maximum push is 801 kgf at the maximum operating pressure of 1.0 MPa.
No. This model relies on a fixed NBR bumper at each end to decelerate the stroke, not an adjustable air cushion, so you should add external shock absorbers for high-speed impacts. Additionally, because it lacks the -S option, it has no piston magnet and cannot accept reed or electronic switches.
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