Airtac SSA Single-Acting Compact Cylinder SSA63X15
The AirTAC Airtac SSA Single-Acting Compact Cylinder SSA63X15 is a genuine single-acting COMPACT cylinder (single acting, push type) with a Ø63mm bore and 15mm stroke. Air pushes the rod and an internal spring returns it, so one solenoid line drives the motion — ideal for short-stroke clamping and ejection in tight spaces.
- BoreØ63 mm
- Stroke15 mm
- Port sizePT1/4
- Acting typeSingle acting, push type
- Rod threadM10×1.5 (F) / M18×1.5 (B)
- CushionFixed NBR bumper
About the Airtac SSA Single-Acting Compact Cylinder SSA63X15
The AirTAC SSA63X15 is a compact single-acting push-type cylinder where air pressure extends the rod and an internal spring retracts it. It yields 1382.6 N of net push at 0.5 MPa, meaning the return spring force is already subtracted to give you a real design figure. This 63 mm bore model uses a 20 mm rod and a PT1/4 port.
Its short riveted body saves axial mounting depth where a standard round-body or profile cylinder will not fit. A fixed NBR bumper decelerates the stroke end, but it is not an adjustable air cushion. This specific SKU lacks a piston magnet, so it cannot accept magnetic switches unless you specify the -S variant for reed or electronic sensing.
Airtac SSA Single-Acting Compact Cylinder SSA63X15 Technical Specifications
| Model | Airtac SSA Single-Acting Compact Cylinder SSA63X15 |
|---|---|
| Series | SSA compact single-acting cylinder |
| Bore size | Ø63 mm |
| Stroke | 15 mm |
| Acting type | Single acting, push type |
| Port size | PT1/4 |
| Rod end thread | M10×1.5 female / M18×1.5 male (B) |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.2 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 50 – 500 mm/s |
| Cushion | Fixed NBR bumper |
| Max standard stroke | Up to 30 mm |
Specifications follow the official AirTAC SDA-family datasheet. Single-acting types start at 0.2 MPa (the spring must be overcome). Confirm against the product label before installation.
Net Output Force (Ø63mm, Push)
| Pressure | Push force (net) |
|---|---|
| 0.5 MPa | 1383 N |
| 0.7 MPa | 2006 N |
These are NET output forces — the return-spring force is already deducted. Single-acting push only; the spring performs the opposite stroke. Size with a safety margin.
Model Code: Airtac SSA Single-Acting Compact Cylinder SSA63X15
| SSA | Compact single acting, push type cylinder series. |
|---|---|
| 63 | Bore size in mm. |
| ×15 | Stroke length in mm (single-acting max 30 mm). |
| S | Built-in magnet for magnetic-switch sensing (omit = none). |
| B | Male-thread piston rod (omit = female thread). |
Thread: PT standard. SSA pushes out / spring returns; STA pulls in / spring extends. Related: SDA (double acting), SDAD (double rod), SDAJ (adjustable stroke).
Where the Airtac SSA Single-Acting Compact Cylinder SSA63X15 Is Used
Heavy-Duty Stamping Ejector
Uses the 1382.6 N net extension force to positively eject thick metal blanks from a press die in confined machinery.
Automated Welding Clamp
Holds heavy structural profiles firmly in place during robotic welding, relying on the internal spring to retract safely on air release.
Pallet Lift Stopper
Acts as a high-force physical stop to arrest heavy pallets on a conveyor, absorbing the impact via the fixed NBR bumper.
Is the Airtac SSA Single-Acting Compact Cylinder SSA63X15 the Right Cylinder?
When sizing this model, consider the neighboring bores. Stepping down, the SSA50 provides 874.7 N of net push at 0.5 MPa. Stepping up is not possible as 63 mm is the largest available single-acting bore in this series. With a 1382.6 N output at 0.5 MPa, the safe working load is roughly 830 N (about 60 percent of capacity), allowing a vertical lift of approximately 70.5 kg with a 2:1 safety margin.
Remember the 30 mm maximum stroke ceiling for standard builds; this 15 mm unit fits well within limits. Because it is spring-return, it does not hold a mid-stroke load on air loss. Verify your build needs a 63 mm bore, 15 mm stroke, PT1/4 port, no magnet, and a female M10x1.5 rod-end thread.
Quick checklist
- ✓ Net push force at your working pressure
- ✓ Stroke ≤ 30 mm (single-acting limit)
- ✓ Single air line saves a valve/port
- ✓ Magnet (S) for sensors?
- ✓ Female (blank) or male (B) rod thread
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.2 – 1.0 MPa operating pressure.
- check Remember the spring performs the return stroke.
- check Avoid side load on the short piston rod.
- check Front/rear covers are riveted — do not dismantle.
- check Installation by qualified personnel per AirTAC docs.
Airtac SSA Single-Acting Compact Cylinder SSA63X15 FAQ
The SSA63X15 provides 1382.6 N of net push force at 0.5 MPa and 2006.1 N at 0.7 MPa. These values already account for the internal return spring resistance.
No. If air is lost, the internal spring drives the rod back to its retracted rest position. It cannot hold a mid-stroke load. Operating pressure must be at least 0.2 MPa to overcome the spring.
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