Airtac ACQD Double Acting Compact Cylinder ACQD80X70SB
The AirTAC Airtac ACQD Double Acting Compact Cylinder ACQD80X70SB is a genuine double-acting COMPACT (JIS) cylinder with a piston rod out BOTH ends — a Ø80mm bore and 70mm 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
- Stroke70 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 ACQD80X70SB
The AirTAC ACQD80X70SB is a double-acting JIS compact cylinder featuring twin rods extending from both ends. Because a rod occupies each chamber, the annular area is identical in both directions, yielding exactly equal push and pull forces of 2267.8 N at 0.5 MPa and 3175 N at 0.7 MPa. This symmetric thrust is ideal for balanced actuation cycles.
The dual rods inherently resist rotation and provide an extended guide length, allowing you to mount a tooling platform directly without needing an external anti-rotation guide. This specific configuration includes a male M22x1.5 rod-end thread for direct load coupling, a built-in piston magnet for electronic or reed switches, and fixed NBR elastomer bumpers at both ends. The 80 mm bore uses a PT3/8 port and operates at speeds from 30-500 mm/s.
Airtac ACQD Double Acting Compact Cylinder ACQD80X70SB Technical Specifications
| Model | Airtac ACQD Double Acting Compact Cylinder ACQD80X70SB |
|---|---|
| Series | ACQD JIS compact double-rod cylinder |
| Bore size | Ø80 mm |
| Stroke | 70 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 ACQD80X70SB
| ACQD | JIS compact double-acting DOUBLE-ROD cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×70 | 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 ACQD80X70SB Is Used
Symmetric Transfer Unit
Drives a dual-station transfer carriage in packaging machinery where equal 3175 N push and pull forces at 0.7 MPa prevent cycle drift.
Twin-Guided Pusher
Pushes heavy sheet metal in a press feed line; the dual 25 mm rods resist torsional twisting without adding an external guide rail.
Dual-End Actuation
Actuates a CNC fixture clamp from one rod end while the opposite rod end drives a sensor flag for position confirmation.
Is the Airtac ACQD Double Acting Compact Cylinder ACQD80X70SB the Right Cylinder?
When sizing this 80 mm bore, note the 0.5 MPa force is 2267.8 N both ways. If your load is lighter, stepping down to the 63 mm bore yields 1401.5 N, whereas moving up to the 100 mm bore provides 3524.8 N for heavier demands. If your application only requires one-sided thrust and you can tolerate unequal push/pull forces, a single-rod ACQ series may suffice. Conversely, if you need extreme lateral load handling beyond the twin-rod guide length, a separately guided TACQ profile might be necessary. Confirm your ordering code specifies the 70 mm stroke, S magnet, and B male 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 ACQD80X70SB FAQ
The push and pull forces are perfectly equal at 2267.8 N at 0.5 MPa and 3175 N at 0.7 MPa, with a maximum holding capacity of 463 kgf at 1.0 MPa. Because a rod exits both ends, the annular piston area is identical in each direction. The maximum standard stroke available for this 80 mm bore is 100 mm.
It uses fixed NBR elastomer bumpers at both stroke ends for impact absorption, which are not adjustable air cushions. A plain ACQD does not hold its load if air pressure is lost or a valve is centered; for fail-safe positioning, you must install an external rod lock or pilot-operated check valve.
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