Airtac ACQD Double Acting Compact Cylinder ACQD80X40
The AirTAC Airtac ACQD Double Acting Compact Cylinder ACQD80X40 is a genuine double-acting COMPACT (JIS) cylinder with a piston rod out BOTH ends — a Ø80mm bore and 40mm 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.
- BoreØ80 mm
- Stroke40 mm
- Port sizePT3/8
- Acting typeDouble acting, double rod
- Rod threadM16×2.0 (F) / M22×1.5 (B)
- CushionBumper (both ends)
About the Airtac ACQD Double Acting Compact Cylinder ACQD80X40
The ACQD80X40 is a JIS compact, double-acting pneumatic cylinder featuring a twin-rod design where a shaft protrudes from both ends. Because a rod occupies each chamber, the effective annular area is identical in both directions, yielding perfectly equal push and pull forces of 2267.8N at 0.5MPa and 3175N at 0.7MPa.
The dual rods provide extended guide length and inherent anti-rotation properties, allowing you to mount a tooling platform directly without needing a separate external guide. It uses a fixed NBR elastomer bumper at each end for end-of-stroke deceleration, and the body includes standard magnetic-switch grooves. This specific configuration ships without a magnet and utilizes a PT3/8 port with a female M16x2.0 rod-end thread.
Airtac ACQD Double Acting Compact Cylinder ACQD80X40 Technical Specifications
| Model | Airtac ACQD Double Acting Compact Cylinder ACQD80X40 |
|---|---|
| Series | ACQD JIS compact double-rod cylinder |
| Bore size | Ø80 mm |
| Stroke | 40 mm |
| Acting type | Double acting, double rod |
| Port size | PT3/8 |
| Rod end thread | M16×2.0 female / M22×1.5 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 (Ø80mm — equal both ways)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2268 N | 2268 N |
| 0.7 MPa | 3175 N | 3175 N |
| Max (@1.0 MPa) | 463 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 ACQD80X40
| ACQD | JIS compact double-acting DOUBLE-ROD cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×40 | 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 ACQD80X40 Is Used
Twin-Guided Tool Platform
Drives a machining fixture on a CNC line, using the dual rods to resist torsional stress and maintain precise perpendicularity during metal cutting.
Symmetric Transfer Unit
Indexes a heavy pallet between two packaging stations, leveraging the identical push and pull forces to maintain stable bidirectional cycle times.
Dual-Station Actuator
Simultaneously operates two separate clamps in an automotive assembly press by attaching independent loads to both protruding rod ends.
Is the Airtac ACQD Double Acting Compact Cylinder ACQD80X40 the Right Cylinder?
For sizing context, dropping to a bore 63 yields 1401.5N at 0.5MPa, while stepping up to a bore 100 provides 3524.8N. If your application strictly requires unequal extension and retraction forces, a single-rod ACQ cylinder is a better choice, whereas a guided TACQ fits loads exceeding the 463kgf capacity of this 80mm bore. When ordering, confirm the 40mm stroke, the default female rod thread, and note that this variant lacks the -S magnet.
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 ACQD80X40 FAQ
It delivers an equal push and pull force of 2267.8N at 0.5MPa and 3175N at 0.7MPa, with a maximum capacity of 463kgf at 1.0MPa. The forces are identical in both directions because the twin-rod design creates the same annular piston area on each side. The maximum standard stroke available for an 80mm bore is 100mm.
No, a plain ACQD does not hold position upon air loss; the rod will drift and the fixed NBR bumper only decelerates near the stroke end. For fail-safe load holding, you must install an external rod lock or a pilot-operated check valve. The twin rods prevent rotation but do not lock the load mechanically.
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