
The AirTAC Airtac ACEJ32~40 Adjustable Cushion Compact Cylinder ACEJ32X175-30 is a genuine double acting, adjustable stroke ISO 21287 compact air cylinder with a Ø32mm bore and 175mm 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.
The ACEJ32X175-30 is a double acting AirTAC compact cylinder built to ISO 21287, with a 32 mm bore and a 175 mm stroke that an external stop screw trims by up to 30 mm on site, giving a usable extend range of 145-175 mm. At 0.5 MPa it pushes 402.1 N and pulls 345.6 N; at 0.7 MPa those rise to 563 N and 483.8 N, with a theoretical peak of 82 kgf at 1.0 MPa. The short body saves about 50% of the mounting length of an ISO 15552 profile cylinder, so it slots into jigs, guards and gantries where a full-length body will not fit.
For sizing work, plan on roughly 240 N of real output at 0.5 MPa rather than the full 402.1 N rating, which is about 20 kg of vertical lift with a 2:1 margin. The hard-anodized aluminium body carries a hard-chrome plated S45C rod with a female M8x1.25 thread, fixed TPU bumpers absorb end-of-stroke shock, and speed runs 30-500 mm/s at 0.15-1.0 MPa (22-145 psi). No magnet is fitted on this version; order the -S code if you later need CMSE or DMSE switch sensing.
| Model | Airtac ACEJ32~40 Adjustable Cushion Compact Cylinder ACEJ32X175-30 |
|---|---|
| Series | ACEJ compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø32 mm |
| Stroke | 175 mm |
| Acting type | Double acting, adjustable stroke |
| 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 | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | 484 N |
| Max (@1.0 MPa) | 82 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| ACEJ | ISO 21287 compact cylinder (adjustable-stroke). |
|---|---|
| 32 | Bore size in mm. |
| ×175 | Stroke length in mm. |
| -30 | Adjustable stroke window (mm the extend stroke can be shortened on site). |
| 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 402.1 N push at 0.5 MPa clamps aluminium or small steel parts in machining fixtures, and the 145-175 mm adjustable range adapts one cylinder to different fixture heights.
With about 20 kg of vertical-lift equivalent, the cylinder ejects cartons or trays from a conveyor lane, while the short ISO 21287 body fits under low guard rails.
The 563 N push at 0.7 MPa presses connectors and small bearings into housings on an SMT or electronics assembly bench, with the stop screw setting exact insertion depth.
At 402.1 N push at 0.5 MPa, this 32 mm bore sits between the 25 mm bore (245.4 N) and the 40 mm bore (628.3 N), so step down for lighter clamping or up if your fixture needs more margin. The 175 mm stroke is within the 200 mm standard for bore 32, and the -30 window lets you dial the extend stroke anywhere from 145 to 175 mm without changing hardware. Remember the stop screw is a mechanical end stop only: it sets position but does not hold a load if air is lost. FA flange or LB foot mounts bolt to the ISO 21287 face, and the female M8x1.25 rod thread accepts standard rod knuckles.
Quick checklist
Push is 402.1 N and pull 345.6 N at 0.5 MPa; at 0.7 MPa push is 563 N and pull 483.8 N, with a theoretical maximum of 82 kgf at 1.0 MPa. It is double acting with a 32 mm bore, 175 mm stroke adjustable down to 145 mm via the -30 stop screw, 1/8" PT ports, a female M8x1.25 rod thread, operating pressure 0.15-1.0 MPa (22-145 psi), speed 30-500 mm/s and a temperature range of -20 to +70 C.
An external stop screw on the front cover shortens the extend stroke by up to 30 mm, so the working range is 145-175 mm; it cannot extend beyond the ordered 175 mm. The stop is a mechanical end stop, not a load-holding lock, so the rod can drift if air pressure is lost. This version has no magnet, so CMSE or DMSE switches cannot be read; order the optional -S magnet version if sensing is needed. FA flange and LB foot mounts attach directly to the ISO 21287 mounting face.
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