Airtac ACEJ12 Adjustable Compact Cylinder ACEJ12X10-10S
The AirTAC Airtac ACEJ12 Adjustable Compact Cylinder ACEJ12X10-10S is a genuine double acting, adjustable stroke ISO 21287 compact air cylinder with a Ø12mm bore and 10mm stroke, M5×0.8 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.
- BoreØ12 mm
- Stroke10 mm
- Port sizeM5×0.8
- Acting typeDouble acting, adjustable stroke
- Rod threadM3×0.5
- CushionFixed TPU bumper (both ends)
About the Airtac ACEJ12 Adjustable Compact Cylinder ACEJ12X10-10S
The ACEJ12X10-10S is a double acting ISO 21287 compact cylinder with a 12 mm bore and a 10 mm stroke that an external stop screw can trim anywhere in a 10 mm window, giving a usable extend range of 0-10 mm. At 0.5 MPa it pushes 56.5 N and pulls 42.4 N, rising to 79.2 N at 0.7 MPa. The short body saves about 50% of the mounting length of an ISO 15552 profile cylinder, so it slots into micro fixtures, pick heads and tight guards where a full-length body simply will not fit.
Because the -S magnet is fitted on this model, CMSE or DMSE reed and solid-state switches can be clamped straight onto the body for end-of-travel signals. A fixed TPU bumper at each end absorbs the tiny end-of-stroke shock of these light loads. As a planning figure, treat roughly 34 N (about 3 kg lifted) as the realistic working thrust at 0.5 MPa instead of the full 56.5 N rating. Air supply is 0.15-1.0 MPa (22-145 psi), speed 30-500 mm/s, and the rod end carries a female M3x0.5 thread.
Airtac ACEJ12 Adjustable Compact Cylinder ACEJ12X10-10S Technical Specifications
| Model | Airtac ACEJ12 Adjustable Compact Cylinder ACEJ12X10-10S |
|---|---|
| Series | ACEJ compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø12 mm |
| Stroke | 10 mm |
| Acting type | Double acting, adjustable stroke |
| Port size | M5×0.8 |
| Rod thread | M3×0.5 |
| 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 50 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.
Theoretical Output Force (Ø12mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 57 N | 42 N |
| 0.7 MPa | 79 N | 59 N |
| Max (@1.0 MPa) | 12 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac ACEJ12 Adjustable Compact Cylinder ACEJ12X10-10S
| ACEJ | ISO 21287 compact cylinder (adjustable-stroke). |
|---|---|
| 12 | Bore size in mm. |
| ×10 | 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.
Where the Airtac ACEJ12 Adjustable Compact Cylinder ACEJ12X10-10S Is Used
Micro part ejection
Knocks small plastic or metal parts off a fixture nest in an assembly machine; the 0-10 mm trim matches shallow nests exactly, and the 56.5 N push at 0.5 MPa is ample for gram-scale parts.
Sensor-verified clamping
Light clamping of PCBs or small housings where the fitted -S magnet drives CMSE / DMSE switches to confirm the jaw has closed before the next station cycles.
Tiny vertical lift
Lifts about 3 kg vertically with a sensible margin at 0.5 MPa - ideal for raising a small gate or probe tip in a compact test rig where body length is critical.
Is the Airtac ACEJ12 Adjustable Compact Cylinder ACEJ12X10-10S the Right Cylinder?
For this 12 mm bore the 0.5 MPa push is 56.5 N; if your tooling needs more, step up to the 16 mm bore (100.5 N push at 0.5 MPa) or the 20 mm bore (157.1 N). Dropping to a smaller size is not possible - 12 mm is the smallest in the range. The stop screw shortens the extend stroke only and is a mechanical end stop, not a mid-stroke lock: on air loss the piston still drifts, so do not rely on it to hold a load. FA flange or LB foot mounts bolt to the ISO 21287 face, and the fitted -S magnet lets CMSE / DMSE switches report position. Ports are M5x0.8, PT thread.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Short stroke fits the compact body
- ✓ Port/thread type (PT / G)
- ✓ Add -S if you need the magnet for sensors
- ✓ Rod type (female / male B) & mount (FA/LB/CA)
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Compact body: keep the stroke short and avoid side load on the rod.
- check Do not dismantle the threaded front/back covers.
- check Keep speed within the rated range; the TPU bumper absorbs stroke-end energy.
- check Installation by qualified personnel per AirTAC docs.
Airtac ACEJ12 Adjustable Compact Cylinder ACEJ12X10-10S FAQ
At 0.5 MPa it pushes 56.5 N and pulls 42.4 N; at 0.7 MPa push is 79.2 N and pull 59.4 N; theoretical maximum is 11.5 kgf at 1.0 MPa. Operating pressure is 0.15-1.0 MPa (22-145 psi) with 1.5 MPa (215 psi) proof pressure, speed 30-500 mm/s, temperature -20 to +70 C, and an M5x0.8 port on a 6 mm rod with a female M3x0.5 thread.
An external stop screw shortens the 10 mm extend stroke by up to 10 mm, so you can set any extend length from 0 to 10 mm on site - it trims only, never lengthens past the ordered stroke. The body is hard-anodized aluminium in the short ISO 21287 format (about 50% of the mounting length of an ISO 15552 profile cylinder) with a fixed TPU bumper at both ends. The -S magnet this model carries allows CMSE / DMSE switches, and FA flange or LB foot mounts bolt straight on.
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