Airtac ACQD Double Acting Compact Cylinder ACQD40X5SB
The AirTAC Airtac ACQD Double Acting Compact Cylinder ACQD40X5SB is a genuine double-acting COMPACT (JIS) cylinder with a piston rod out BOTH ends — a Ø40mm bore and 5mm stroke. The twin rods resist rotation and give equal push and pull force, so it carries and guides a tool platform without a separate anti-rotation guide.
- BoreØ40 mm
- Stroke5 mm
- Port sizePT1/8
- Acting typeDouble acting, double rod
- Rod threadM8×1.25 (F) / M14×1.5 (B)
- CushionBumper (both ends)
About the Airtac ACQD Double Acting Compact Cylinder ACQD40X5SB
The AirTAC ACQD40X5SB is a double-acting JIS compact cylinder featuring twin rods that exit both ends of its C-clip riveted body. Because a rod occupies each chamber, the effective annular area is identical in both directions, yielding equal push and pull forces of 527.8N at 0.5MPa and 738.9N at 0.7MPa. This symmetry eliminates the force differential found in single-rod units, ensuring perfectly balanced bi-directional cycles.
The dual rods provide extended guide length and inherent anti-rotation properties, allowing a tooling platform to be carried directly without requiring a separate external guide. This 5mm stroke variant includes a male M14x1.5 rod end for direct load coupling, a built-in magnet for electronic or reed switches, and fixed NBR elastomer bumpers at both ends for end-of-stroke deceleration. It operates at 30-500mm/s using PT1/8 ports.
Airtac ACQD Double Acting Compact Cylinder ACQD40X5SB Technical Specifications
| Model | Airtac ACQD Double Acting Compact Cylinder ACQD40X5SB |
|---|---|
| Series | ACQD JIS compact double-rod cylinder |
| Bore size | Ø40 mm |
| Stroke | 5 mm |
| Acting type | Double acting, double rod |
| Port size | PT1/8 |
| Rod end thread | M8×1.25 female / M14×1.5 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 | Bumper (both ends) |
| Max standard stroke | Up to 100 mm |
Specifications follow the official AirTAC ACQD datasheet. A rod exits both ends, so both directions use the same annular area. Confirm against the product label before installation.
Theoretical Output Force (Ø40mm — equal both ways)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 528 N | 528 N |
| 0.7 MPa | 739 N | 739 N |
| Max (@1.0 MPa) | 108 kgf | |
Because a rod occupies both chambers, push and pull forces are EQUAL — the annular area applies in each direction. Actual usable force is lower due to friction; size with a safety margin.
Model Code: Airtac ACQD Double Acting Compact Cylinder ACQD40X5SB
| ACQD | JIS compact double-acting DOUBLE-ROD cylinder series. |
|---|---|
| 40 | Bore size in mm. |
| ×5 | Stroke length in mm. |
| S | Built-in magnet for magnetic-switch sensing (omit = none). |
| B | Male-thread piston rod (omit = female thread). |
Thread: PT standard (G / NPT available). The twin rods resist rotation and add guiding length. Related: ACQ (single rod), ACQJ (adjustable stroke), TACQ (guided).
Where the Airtac ACQD Double Acting Compact Cylinder ACQD40X5SB Is Used
Twin-Guided Stripper Ejector
Provides rotation-resistant ejection in stamping dies, using the dual rods to strip metal sheets without lateral binding over a 5mm stroke.
Symmetric Transfer Clamp
Delivers equal clamping and release forces for automated assembly stations, ensuring delicate components are held securely from both directions.
Dual-Station Actuation
Drives a primary tooling platform on one rod end while utilizing the opposite protruding end to trigger a solid-state sensor flag for cycle verification.
Is the Airtac ACQD Double Acting Compact Cylinder ACQD40X5SB the Right Cylinder?
With a 40mm bore, this model provides 527.8N of thrust and retraction at 0.5MPa. If your application requires less force, the 32mm bore variant offers 301.6N, whereas stepping up to the 50mm bore yields 824.6N. The 5mm stroke is ideal for short clamping or ejecting actions; if you need standard positioning versatility, remember the maximum standard stroke for this bore is 100mm. Choose a single-rod ACQ if rotation resistance is unnecessary and you prefer greater forward thrust. Confirm your ordering needs: this configuration includes the S magnet and B male rod thread.
Quick checklist
- ✓ Equal force both ways at your pressure
- ✓ Anti-rotation needed (twin rods)?
- ✓ Both rod ends usable for tooling?
- ✓ 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 0.15 – 1.0 MPa operating pressure.
- check Both rods share the load — keep force concentric.
- check Twin rods resist rotation but avoid heavy side load.
- check Handle the C-clip carefully; seat it fully in its groove.
- check Installation by qualified personnel per AirTAC docs.
Airtac ACQD Double Acting Compact Cylinder ACQD40X5SB FAQ
The cylinder generates equal push and pull forces of 527.8N at 0.5MPa and 738.9N at 0.7MPa, with a maximum force of 108kgf at 1.0MPa. Push and pull forces are identical because the twin rods create equal annular areas on both sides of the piston. The maximum standard stroke available for this 40mm bore is 100mm.
The twin rods inherently resist rotation and extend guide length without external guides. It uses fixed NBR elastomer bumpers at both ends for deceleration, not adjustable air cushions. A plain ACQD does not hold its load when air is lost; for fail-safe positioning, an external rod lock or pilot-operated check valve is required.
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