
The AirTAC Airtac ACED Double-acting Compact Cylinder ACED32X70S is a genuine double acting, double rod ISO 21287 compact air cylinder with a Ø32mm bore and 70mm stroke, 1/8" air ports and a hard-anodized aluminium body. Its short compact envelope saves about 50% of the mounting length of an ISO 15552 profile cylinder.
A double acting compact cylinder built to ISO 21287, the ACED32X70S pushes a 32 mm bore through a 70 mm stroke with a piston rod leaving BOTH covers. Because each side works on the rod-side area, output is identical in either direction: 345.6 N at 0.5 MPa and 483.8 N at 0.7 MPa. The through-rod resists rotation and modest side load, and the rear rod end can carry a sensor flag while the front does the work.
The hard-anodized aluminium body with an S45C hard-chrome rod runs on air filtered to 40 um at 0.15-1.0 MPa (22-145 psi), 30-500 mm/s, and -20 to +70 C, with a fixed TPU bumper at each end. The short body saves about 50% of the mounting length of an ISO 15552 profile cylinder, so it slots into tight jigs and guarding. Practical sizing: keep real work near 207 N (about 0.6 of the rating), and expect roughly 17 kg of vertical lift at a 2:1 margin. This -S model carries the optional magnet, so CMSE / DMSE switches mount directly on the body slots.
| Model | Airtac ACED Double-acting Compact Cylinder ACED32X70S |
|---|---|
| Series | ACED compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø32 mm |
| Stroke | 70 mm |
| Acting type | Double acting, double rod |
| Port size | 1/8" |
| Rod thread | M8×1.25 |
| 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 | Fixed TPU bumper (both ends) |
| Max standard stroke | Up to 200 mm |
Specifications follow the official AirTAC ACE-series (ISO 21287) datasheet. Body: hard-anodized aluminium alloy; piston rod: S45C carbon steel with hard-chrome plating. Rod type: female thread (blank) or male thread (B). Thread options: PT (blank) / G. A built-in magnet is OPTIONAL — add the -S code to fit CMSE / DMSE position sensors.
| Pressure | Force (both ways) |
|---|---|
| 0.5 MPa | 346 N |
| 0.7 MPa | 484 N |
| Max (@1.0 MPa) | 70 kgf |
Double-rod: a rod exits both covers, so output force is equal in both directions (rod-side area used).
| ACED | ISO 21287 compact cylinder (double-rod). |
|---|---|
| 32 | Bore size in mm. |
| ×70 | Stroke length in mm. |
| S | Optional built-in magnet for CMSE / DMSE sensors (omit for no magnet). |
| B | Rod type: B = male thread; blank = female thread. |
ACE-family variants: ACE (double acting), ASE / ATE (single acting push / pull), ACED (double rod), ACEJ (adjustable stroke), TACE / TACED (non-rotating twin-guide yoke). Mounting accessories: FA / FB flange, LB foot, CA / CB clevis, CR, SDB pivot, FTC; plus I and Y knuckles. Thread PT (blank) / G.
The symmetric through-rod clamps a machined aluminium housing from both sides in a pallet changer, with 345.6 N per direction holding the part square during a facing cut.
A rear rod end carries a flag for a DMSE switch (magnet fitted on this -S model), confirming each 70 mm push that nudges bottles across a transfer plate at up to 500 mm/s.
Equal force both ways moves a PCB tray between two nests, and the compact body saves roughly half the mounting length of an ISO 15552 profile cylinder inside the tight gantry frame.
At 345.6 N per direction, this bore suits clamping and positioning where a 12 mm rod must survive both strokes. Step down to a 25 mm bore (206.2 N) for lighter fixtures, or up to a 40 mm bore (571.8 N) for heavier presses. The 70 mm stroke sits well inside the 200 mm maximum standard stroke for bore 32. Remember the piston drifts if air is lost - add a rod lock or pilot check for held loads. Bolt on FA/FB flanges, LB feet or FTC brackets, and since the -S magnet is fitted, CMSE / DMSE switches can be added without reordering.
Quick checklist
It is a double-rod cylinder, so force is EQUAL both ways: 345.6 N at 0.5 MPa and 483.8 N at 0.7 MPa on each stroke, with a peak of 70.5 kgf at 1.0 MPa. Both strokes use the rod-side area because a 12 mm rod exits each cover.
It is an ISO 21287 compact cylinder whose short body saves about 50% of the mounting length of an ISO 15552 profile cylinder, with a fixed TPU bumper at each end. Magnet slots run along the body, and this -S version carries the optional magnet, so CMSE / DMSE reed or solid-state switches mount directly; FA/FB flange, LB foot and FTC brackets bolt to the standard face.
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