
The AirTAC Airtac ACEJ32~40 Adjustable Cushion Compact Cylinder ACEJ32X110-50S is a genuine double acting, adjustable stroke ISO 21287 compact air cylinder with a Ø32mm bore and 110mm 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 ACEJ32X110-50S is a double acting AirTAC compact cylinder built to ISO 21287, with a 32 mm bore and a 110 mm stroke that an external stop screw can trim anywhere in a 50 mm window, giving a usable extend range of 60-110 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 82 kgf at 1.0 MPa. The hard-anodized aluminium body with an S45C hard-chrome plated rod runs on air filtered to 40 um at 0.15-1.0 MPa (22-145 psi), 30-500 mm/s, from -20 to +70 C.
Because the short ISO 21287 body saves about 50% of the mounting length of an ISO 15552 profile cylinder, it slots into tight jig plates and guarding where a full-length body will not fit. As an -S model the magnet is fitted, so CMSE or DMSE reed and solid-state switches can be clipped onto the body for end-of-travel signals. For sizing, plan on roughly 240 N (about 24.6 kg) of real work at 0.5 MPa, which lifts roughly 12 kg vertically with a 2:1 margin. Fixed TPU bumpers at both ends absorb end-of-stroke energy; the stop screw sets position and is not a mid-stroke lock, so the rod still drifts if air is lost.
| Model | Airtac ACEJ32~40 Adjustable Cushion Compact Cylinder ACEJ32X110-50S |
|---|---|
| Series | ACEJ compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø32 mm |
| Stroke | 110 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. |
| ×110 | Stroke length in mm. |
| -50 | 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.
On a machining fixture, the stop screw dials the 110 mm extend stroke down to 60 mm so the 402.1 N push clamps thin parts without over-travel, and the fitted magnet signals clamp-complete via a CMSE switch.
At the end of a carton conveyor, the 60-110 mm adjustable range ejects boxes of varying widths, with the 345.6 N pull retracting the rod clear before the next cycle at up to 500 mm/s.
A small bench-top test press uses the 50 mm window to set an exact pressing depth per recipe, relying on the 563 N push at 0.7 MPa and DMSE switches for repeatable top and bottom positions.
Compare force classes before committing: the 25 mm bore delivers 245.4 N push at 0.5 MPa, while the 40 mm bore reaches 628.3 N, so the 32 mm bore at 402.1 N sits in the middle for medium clamping and positioning duty. If the load must stay put on air loss, add an external locking solution - the -50 stop screw only sets the extend stroke end position. FA flange or LB foot mounts and I/Y rod knuckles bolt to the ISO 21287 face; the fitted -S magnet pairs with CMSE / DMSE switches. Rod end is female M8x1.25 and the port is 1/8" PT (G available).
Quick checklist
This 32 mm bore model pushes 402.1 N and pulls 345.6 N at 0.5 MPa; at 0.7 MPa it reaches 563 N push and 483.8 N pull, with a theoretical maximum of 82 kgf at 1.0 MPa. The ordered stroke is 110 mm and the -50 stop screw trims the extend stroke by up to 50 mm, so the usable range is 60-110 mm. Speed is 30-500 mm/s and operating pressure is 0.15-1.0 MPa (22-145 psi).
The ISO 21287 short body saves about 50% of the mounting length of an ISO 15552 profile cylinder, making it easy to fit inside guards and tight fixtures. This -S version carries the optional magnet, so CMSE / DMSE reed or solid-state switches mount directly on the body slots. Fixed TPU bumpers at both ends absorb end-of-stroke impact, FA flange and LB foot mounts plus I/Y rod knuckles bolt to the standard face, and the rod end is female M8x1.25 with a 1/8" PT port.
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