
The AirTAC Airtac ACEJ80~100 Adjustable Compact Cylinder ACEJ100X50-10 is a genuine double acting, adjustable stroke ISO 21287 compact air cylinder with a Ø100mm bore and 50mm 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 ISO 21287 compact cylinder, the ACEJ100X50-10 pairs a 100 mm bore with a 50 mm stroke that an external stop screw trims on site: the -10 code gives a 10 mm window, so the usable extend range is 40-50 mm. At 0.5 MPa it pushes 3927 N and pulls 3769.9 N, and the short body saves about 50% of the mounting length of an ISO 15552 profile cylinder, which is why it suits heavy presses and clamps built into tight machine frames.
Plan real work around roughly 2356 N at 0.5 MPa rather than the full rating, which is about 240 kg of vertical lift with a 2:1 margin. The hard-anodized aluminium body carries a 20 mm S45C hard-chrome rod, a fixed TPU bumper sits at both ends, and the optional -S magnet lets CMSE / DMSE switches report end positions - without the -S code there is no magnet.
| Model | Airtac ACEJ80~100 Adjustable Compact Cylinder ACEJ100X50-10 |
|---|---|
| Series | ACEJ compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø100 mm |
| Stroke | 50 mm |
| Acting type | Double acting, adjustable stroke |
| Port size | 1/8" |
| Rod thread | M12×1.75 |
| 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 300 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 | 3927 N | 3770 N |
| 0.7 MPa | 5498 N | 5278 N |
| Max (@1.0 MPa) | 801 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). |
|---|---|
| 100 | Bore size in mm. |
| ×50 | Stroke length in mm. |
| -10 | 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.
A short-stroke forming or marking press on an assembly line, where 3927 N at 0.5 MPa swages terminals and the 40-50 mm adjustable range lets technicians dial in the die depth without changing the cylinder.
Clamping steel castings on a machining centre fixture: the compact body fits inside the fixture wall, and the stop screw sets a repeatable clamp position within the 10 mm window.
Swinging or lifting a heavy gate arm on a palletizing conveyor, where the 100 mm bore delivers the torque through a short lever and the 1/8" port keeps flow losses low at 30-500 mm/s.
At this force class the step down is the 80 mm bore (2513 N push at 0.5 MPa) and the step up is the 125 mm bore (6135.9 N); pick the 100 mm when your clamp or press needs near 4 kN in a short envelope. The stop screw only shortens the extend stroke and is a mechanical end stop, not a mid-stroke lock - on air loss the piston still drifts, so add a separate holding valve for suspended loads. FA flange or LB foot mountings bolt to the ISO 21287 face, and order the -S code if CMSE / DMSE position sensing is needed.
Quick checklist
At 0.5 MPa it pushes 3927 N and pulls 3769.9 N; at 0.7 MPa push is 5497.8 N and pull 5277.9 N, with a theoretical maximum of 800.9 kgf at 1.0 MPa. The -10 code sets a 10 mm adjustment window: an external stop screw shortens the 50 mm extend stroke to any length from 40 to 50 mm. It runs double acting on air filtered to 40 um at 0.15-1.0 MPa (22-145 psi), proof pressure 1.5 MPa (215 psi), speed 30-500 mm/s, temperature -20 to +70 C, with a 1/8" PT port and M12x1.75 female rod thread.
The ISO 21287 short body saves about 50% of the mounting length of an ISO 15552 profile cylinder, so it fits deep inside guards and fixtures. A fixed TPU bumper at each end absorbs end-of-stroke energy but never locks or brakes a load. Position sensing requires the optional -S magnet ordered with the cylinder; only then can CMSE or DMSE switches be mounted in the body slots. FA flange and LB foot mountings bolt straight to the standard face.
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