
The AirTAC Airtac ACED Double-acting Compact Cylinder ACED32X70B 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 ACED32X70B runs a 32 mm bore with a 70 mm stroke and a through rod that leaves both covers. Because each side of the piston sees the rod-side area, output is 345.6 N at 0.5 MPa and 483.8 N at 0.7 MPa in either direction - there is no weaker pull stroke. The male rod thread (B code) bolts straight to your tooling, and the 1/8" port suits standard PT fittings.
The short ISO 21287 body saves about 50% of the mounting length of an ISO 15552 profile cylinder, so it slots into tight jigs and guarded cells. In practice, plan on roughly 207 N of usable push at 0.5 MPa, which is about 21 kg - or size a vertical lift at around 17 kg with a 2:1 margin. A fixed TPU bumper at each end absorbs end-of-stroke shock, the hard-anodized aluminium body resists wear, and the S45C hard-chrome rod stands up to side load. Speed range is 30-500 mm/s over 0.15-1.0 MPa (22-145 psi).
| Model | Airtac ACED Double-acting Compact Cylinder ACED32X70B |
|---|---|
| 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 70 mm stroke reaches a print head across a conveyor gap, and the equal 345.6 N force both ways retracts the head as crisply as it extends, keeping ink marks consistent.
A through rod on both ends lets a fatigue test fixture cycle a sample symmetrically at 30-500 mm/s, with the rear rod doubling as a position-flag carrier when the -S magnet is ordered.
With about 17 kg of vertical lift capacity at a 2:1 margin, the double rod guides a reject pusher square through a guide bush without rotating under load.
At 345.6 N per direction, this bore sits between the 25 mm size (206.2 N at 0.5 MPa) and the 40 mm size (571.8 N at 0.5 MPa) - step down for lighter clamps, up for heavier presses. The through rod resists rotation and lets the rear rod carry a sensor flag or a symmetric mount. Note that with no air applied the piston drifts freely; for a held load add a rod lock or pilot check valve. Mounting brackets (FA/FB flange, LB foot, FTC) and I/Y rod knuckles bolt to the ISO 21287 face. Position feedback needs the optional -S magnet code with CMSE / DMSE switches - this model, ordered without S, carries no magnet.
Quick checklist
Output is equal in both directions because a rod exits each cover: 345.6 N at 0.5 MPa and 483.8 N at 0.7 MPa, with a maximum of 70.5 kgf at 1.0 MPa. For real work, budget about 207 N (roughly 21 kg of push) at 0.5 MPa, or about 17 kg of vertical lift with a 2:1 safety margin.
The ISO 21287 short body saves about 50% of the mounting length of an ISO 15552 profile cylinder, so it fits shallow fixtures. Switches are not fitted as standard: order the -S code to get the optional magnet, then CMSE or DMSE switches sense position along the body slots. This ACED32X70B (no S) has no magnet, so no sensor can be mounted. A fixed TPU bumper at each end absorbs end-of-stroke shock.
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