Airtac ACQD Double Acting Compact Cylinder ACQD63X125B
The AirTAC Airtac ACQD Double Acting Compact Cylinder ACQD63X125B is a genuine double-acting COMPACT (JIS) cylinder with a piston rod out BOTH ends — a Ø63mm bore and 125mm 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.
- BoreØ63 mm
- Stroke125 mm
- Port sizePT1/4
- Acting typeDouble acting, double rod
- Rod threadM10×1.5 (F) / M18×1.5 (B)
- CushionBumper (both ends)
About the Airtac ACQD Double Acting Compact Cylinder ACQD63X125B
The AirTAC ACQD63X125B is a double-acting JIS compact cylinder featuring a 63mm bore and a 125mm stroke. Because twin rods exit both ends of the body, the effective annular area is identical in both directions. This yields equal push and pull forces of 1401.5N at 0.5MPa and 1962.2N at 0.7MPa, enabling perfectly symmetric cycles without force mismatch. The extended 125mm travel exceeds the 100mm standard maximum for this bore, designating it as a long-stroke made-to-order variant.
Twin rods inherently resist rotation and provide a longer guide length, allowing you to mount a tool platform directly without needing an external anti-rotation guide. This specific unit includes a male M18x1.5 rod-end thread (-B) for direct load coupling, uses a PT1/4 port, and relies on fixed NBR elastomer bumpers at both ends for end-of-stroke deceleration rather than adjustable air cushions. It operates between 0.15-1.0MPa at speeds of 30-500mm/s.
Airtac ACQD Double Acting Compact Cylinder ACQD63X125B Technical Specifications
| Model | Airtac ACQD Double Acting Compact Cylinder ACQD63X125B |
|---|---|
| Series | ACQD JIS compact double-rod cylinder |
| Bore size | Ø63 mm |
| Stroke | 125 mm |
| Acting type | Double acting, double rod |
| Port size | PT1/4 |
| Rod end thread | M10×1.5 female / M18×1.5 male (B) |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 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 (Ø63mm — equal both ways)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 1402 N | 1402 N |
| 0.7 MPa | 1962 N | 1962 N |
| Max (@1.0 MPa) | 286 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 ACQD63X125B
| ACQD | JIS compact double-acting DOUBLE-ROD cylinder series. |
|---|---|
| 63 | Bore size in mm. |
| ×125 | 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 ACQD63X125B Is Used
Symmetric Transfer Unit
Drives a dual-sided pick-and-place head in packaging machinery, utilizing the equal push/pull force to maintain consistent motion dynamics in both travel directions.
Twin-Guided Pusher
Pushes heavy cartons on a sorting line without twisting, leveraging the inherent anti-rotation properties of the double-rod design to avoid a separate external guide.
Dual-Station Actuation
Actuates two separate clamps simultaneously on an automated assembly fixture, using both protruding rod ends to drive independent stations at once.
Is the Airtac ACQD Double Acting Compact Cylinder ACQD63X125B the Right Cylinder?
Select this 63mm bore to deliver 1962.2N of thrust and retraction force at 0.7MPa. If your application requires less force, the neighboring 50mm bore provides 1154.5N at 0.7MPa; for heavier loads, the 80mm bore yields 3175.0N at 0.7MPa. A single-rod ACQ might suffice if equal bidirectional force and anti-rotation guidance are unnecessary, while a TACQ slide is preferable for very high lateral loads. When ordering, confirm the 125mm long-stroke requirement, the male M18x1.5 thread, and the PT1/4 port. Note that this unit lacks a magnet; add an -S suffix if sensor grooves need to be utilized.
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 ACQD63X125B FAQ
The push and pull forces are equal at 1401.5N @0.5MPa and 1962.2N @0.7MPa, with a maximum of 286kgf @1.0MPa. The 125mm stroke is a long-stroke made-to-order variant because it exceeds the 100mm standard maximum for a 63mm bore. Equality exists because the rods occupy both chambers, making the effective annular area identical in both directions.
It uses fixed NBR elastomer bumpers at both ends for impact absorption, not adjustable air cushions. A plain ACQD does not hold its load if air pressure is lost or the valve is centered; the rod will drift. For fail-safe load holding, you must install an external rod lock or a pilot-operated check valve.
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