
The AirTAC Airtac ACEJ32~40 Adjustable Cushion Compact Cylinder ACEJ32X110-50B 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.
A double acting AirTAC compact cylinder built to ISO 21287, the ACEJ32X110-50B pairs a 32 mm bore with a 110 mm stroke and a male rod thread (B code). The external stop screw trims the extend stroke anywhere in the ordered 50 mm window, giving a usable range of 60-110 mm without swapping the cylinder. At 0.5 MPa it pushes 402.1 N and pulls 345.6 N; at 0.7 MPa those figures rise to 563 N and 483.8 N, with a theoretical maximum of 82 kgf at 1.0 MPa.
The short ISO 21287 body saves about 50% of the mounting length of an ISO 15552 profile cylinder, so it slots into cramped fixtures and sliding guards. In practice, plan for roughly 241 N of real work at 0.5 MPa, which is about 20 kg lifted vertically with a 2:1 margin. The hard-anodized aluminium body carries a roller-burnished bore, the S45C rod is hard-chrome plated, and fixed TPU bumpers absorb end-of-stroke shock. Note this unit has no magnet fitted; order the optional -S code if you later need CMSE / DMSE switch sensing.
| Model | Airtac ACEJ32~40 Adjustable Cushion Compact Cylinder ACEJ32X110-50B |
|---|---|
| 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-center jig, the stop screw dials the extend stroke anywhere from 60 to 110 mm so one cylinder serves several part heights, delivering 402.1 N of clamp force at 0.5 MPa.
Ejecting stamped brackets from a die needs a short, repeatable push; the 32 mm bore gives 563 N at 0.7 MPa and the male rod thread (B) picks up a custom ejector pin directly.
Sliding safety gates on a conveyor gantry fit the compact body, about 50% shorter in mounting length than an ISO 15552 profile cylinder, with LB foot mounting and 30-500 mm/s travel.
At 402.1 N push at 0.5 MPa, this 32 mm bore suits clamping and pressing loads up to about 241 N with margin. Step down to the 25 mm bore (245.4 N push at 0.5 MPa) for lighter jigs, or up to 40 mm (628.3 N push) when the load grows. The male rod thread (B) bolts straight to I or Y rod knuckles, while FA flange and LB foot mounts share the standard ISO 21287 face. Remember the stop screw only shortens the extend stroke within 60-110 mm and is not a mid-stroke lock: on air loss the piston still drifts. Speed range is 30-500 mm/s.
Quick checklist
At 0.5 MPa it pushes 402.1 N and pulls 345.6 N; at 0.7 MPa it pushes 563 N and pulls 483.8 N; theoretical maximum is 82 kgf at 1.0 MPa. The -50 code sets a 50 mm adjustment window: an external stop screw shortens the 110 mm extend stroke by up to 50 mm, so the working range is 60-110 mm. It shortens the stroke only and acts as a mechanical end stop, not a load-holding brake. Operating pressure is 0.15-1.0 MPa (22-145 psi).
It is an ISO 21287 compact cylinder with a hard-anodized aluminium body, S45C hard-chrome plated 12 mm rod, 1/8" PT ports and fixed TPU bumpers at both ends. Sensing is possible only with the optional -S magnet code, which allows CMSE / DMSE switches; this model has no magnet fitted, so no sensor can be mounted as supplied. FA flange and LB foot mounts bolt to the standard ISO 21287 face, and the male rod thread takes I or Y knuckles.
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