Airtac ACQD Double Acting Compact Cylinder ACQD40X5B
The AirTAC Airtac ACQD Double Acting Compact Cylinder ACQD40X5B 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)
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac ACQD Double Acting Compact Cylinder ACQD40X5B
The AirTAC ACQD40X5B is a double-acting JIS compact cylinder where twin Ø16mm rods exit both ends, yielding identical annular working areas. This geometry means push and pull forces are perfectly balanced at 527.8N at 0.5MPa and 738.9N at 0.7MPa, enabling symmetric cycles without differential force drops. The extended guide length resists torsional load without needing external guide rails.
This specific variant includes male M14x1.5 rod-end threads for direct load coupling and ships without a magnet, though the body retains switch grooves for later sensor addition. It relies on fixed NBR elastomer bumpers at both stroke ends for end-of-travel deceleration rather than adjustable pneumatic cushions. Operating pressure spans 0.15-1.0MPa and ambient temperature ranges from -20 to +70C.
Airtac ACQD Double Acting Compact Cylinder ACQD40X5B Technical Specifications
| Model | Airtac ACQD Double Acting Compact Cylinder ACQD40X5B |
|---|---|
| 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 ACQD40X5B
| 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 ACQD40X5B Is Used
Short-Stroke Clamping
Ideal for multi-axis machining fixtures requiring a short 5mm clamping motion that resists rotational drift under heavy cutting forces.
Symmetric Transfer
Drives a dual-sided pick-and-place platform in electronics assembly, using the equal push and pull forces to maintain stable part handoff.
Dual-Station Actuation
Powers a compact packaging machine diverter where the second rod end mounts a mechanical flag to trigger a downstream sealing station.
Is the Airtac ACQD Double Acting Compact Cylinder ACQD40X5B the Right Cylinder?
When sizing this 40mm bore, dropping to the 32mm version reduces the 0.5MPa output to 301.6N, while stepping up to 50mm increases it to 824.6N. If your payload demands minimal torsional deflection over a longer stroke, the guided TACQ series might be a better fit. For this ACQD40X5B, verify your porting matches the PT1/8 thread form and confirm the 5mm stroke accommodates your short clamping or ejecting motion.
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 ACQD40X5B FAQ
Because the twin rods occupy both chambers, push and pull forces are equal: 527.8N at 0.5MPa and 738.9N at 0.7MPa, with a maximum of 108kgf at 1.0MPa. The standard stroke limit for this 40mm bore is 100mm, and this specific unit features a 5mm travel.
It uses fixed NBR elastomer bumpers at both ends for impact absorption, not adjustable air cushions, so external shock absorbers are recommended for high-energy loads. A plain ACQD does not hold position on air loss; if fail-safe holding is required, install an external rod lock or pilot-operated check valve.
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Related AirTAC ACQD Compact Cylinders
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