Airtac ACQD Double Acting Compact Cylinder ACQD40X75
The AirTAC Airtac ACQD Double Acting Compact Cylinder ACQD40X75 is a genuine double-acting COMPACT (JIS) cylinder with a piston rod out BOTH ends — a Ø40mm bore and 75mm 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
- Stroke75 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 ACQD40X75
The AirTAC ACQD40X75 is a double-acting JIS compact cylinder featuring twin rods that exit from both ends. Because a rod occupies each chamber, the annular area is identical in both directions, generating an equal push and pull force of 527.8 N at 0.5 MPa. This symmetrical thrust is ideal for balanced transfer cycles. The Ø16 mm rods resist rotation and extend the guide length, allowing a tool platform to move securely without an external guide.
Built with a riveted C-clip body, this 40 mm bore unit includes fixed NBR elastomer bumpers at both ends for end-of-stroke deceleration rather than adjustable air cushions. It operates at 30-500 mm/s within a -20 to +70 C range. The body features magnetic-switch grooves, though this specific configuration ships without a piston magnet. A plain ACQD does not hold position on air loss; a pilot-operated check valve or external rod lock is required for fail-safe load holding.
Airtac ACQD Double Acting Compact Cylinder ACQD40X75 Technical Specifications
| Model | Airtac ACQD Double Acting Compact Cylinder ACQD40X75 |
|---|---|
| Series | ACQD JIS compact double-rod cylinder |
| Bore size | Ø40 mm |
| Stroke | 75 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 ACQD40X75
| ACQD | JIS compact double-acting DOUBLE-ROD cylinder series. |
|---|---|
| 40 | Bore size in mm. |
| ×75 | 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 ACQD40X75 Is Used
Symmetrical Transfer Arms
Drives pick-and-place transfer arms in packaging lines where matching 527.8 N push and pull thrust prevents uneven wear on dual-sided tooling.
Twin-Guided Pusher
Pushes product along a conveyor using a tool platform mounted across both rods, eliminating rotational torque without a separate external guide.
Dual-Station Actuation
Simultaneously operates two test stations in electronics manufacturing, using the second protruding rod end to trigger a remote reed switch.
Is the Airtac ACQD Double Acting Compact Cylinder ACQD40X75 the Right Cylinder?
For this 40 mm bore at 0.5 MPa, the equal bi-directional force is 527.8 N. Dropping to a 32 mm bore yields 301.6 N, while stepping up to a 50 mm bore provides 824.6 N. If your application only requires thrust in one direction and lacks a secondary load or sensor flag, a single-rod ACQ cylinder is a simpler, lighter choice. When ordering, verify your 75 mm stroke requirement against the 100 mm maximum standard limit, and note the PT1/8 port and default female M8x1.25 rod-end 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 ACQD40X75 FAQ
The push and pull forces are equal at 527.8 N at 0.5 MPa and 738.9 N at 0.7 MPa, with a maximum capacity of 108 kgf at 1.0 MPa. The equal force occurs because the twin rods create identical annular areas in both chambers. The maximum standard stroke available for this 40 mm bore is 100 mm.
No, it uses fixed NBR elastomer bumpers at both ends for impact deceleration rather than adjustable air cushions. While the body has grooves for reed or solid-state switches, this specific model ships without a piston magnet, so external sensors will not detect the piston.
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