Airtac ACEJ12 Adjustable Compact Cylinder ACEJ12X15-10
The AirTAC Airtac ACEJ12 Adjustable Compact Cylinder ACEJ12X15-10 is a genuine double acting, adjustable stroke ISO 21287 compact air cylinder with a Ø12mm bore and 15mm 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
- Stroke15 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 ACEJ12X15-10
This is a double acting AirTAC ACEJ compact cylinder built to ISO 21287, with a 12 mm bore and a 15 mm stroke that an external stop screw trims on site within the ordered 10 mm window, giving a usable extend range of 5-15 mm. At 0.5 MPa it pushes 56.5 N and pulls 42.4 N, rising to 79.2 N at 0.7 MPa, so it suits light clamping and positioning in very tight envelopes. The short body saves about 50% of the mounting length of an ISO 15552 profile cylinder, which is why it drops into slim jigs and guarded stations a full-length cylinder cannot enter.
Because the bore is small, plan the load conservatively: about 34 N (roughly 3 kg) of real work at 0.5 MPa is a sensible ceiling, and vertically that corresponds to lifting about 3 kg with margin, or about 5.7 kg at the theoretical limit. The hard-anodized aluminium body carries an S45C hard-chrome-plated 6 mm rod with a female M3x0.5 thread, fixed TPU bumpers absorb end-of-stroke shock at both ends, and the optional -S magnet code enables CMSE / DMSE switches - without -S there is no magnet. Speed range is 30-500 mm/s.
Airtac ACEJ12 Adjustable Compact Cylinder ACEJ12X15-10 Technical Specifications
| Model | Airtac ACEJ12 Adjustable Compact Cylinder ACEJ12X15-10 |
|---|---|
| Series | ACEJ compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø12 mm |
| Stroke | 15 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 ACEJ12X15-10
| ACEJ | ISO 21287 compact cylinder (adjustable-stroke). |
|---|---|
| 12 | Bore size in mm. |
| ×15 | 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 ACEJ12X15-10 Is Used
Micro part present clamping
Clamps small electronics connectors or sensor housings in a test fixture, where the 5-15 mm trimmed extend range and 56.5 N at 0.5 MPa hold light parts without deformation.
Slim jig ejection
Ejects finished watch or medical micro-components from a machining nest, using the short ISO 21287 body that fits where an ISO 15552 profile cylinder is too long.
Sorted bin gate actuator
Tips a lightweight diverter gate on a small-parts sorting conveyor; order the -S magnet code so a CMSE or DMSE switch confirms gate position at each stroke end.
Is the Airtac ACEJ12 Adjustable Compact Cylinder ACEJ12X15-10 the Right Cylinder?
At this bore size compare both neighbours: the ACEJ16X15-10 gives 100.5 N push at 0.5 MPa if 56.5 N is marginal, while stepping down is not possible since 12 mm is the smallest ACEJ bore. Remember the stop screw only shortens the extend stroke and drifts on air loss, so it is not a mid-stroke lock - use a separate valve or lock unit where a load must be held. Order FA flange or LB foot mounting to suit the fixture, PT ports as standard (G on request), and add the -S code if CMSE / DMSE position sensing is needed.
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 ACEJ12X15-10 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. The 12 mm bore has a 6 mm rod with female M3x0.5 thread and an M5x0.8 port. Operating pressure is 0.15-1.0 MPa (22-145 psi), proof pressure 1.5 MPa (215 psi), temperature -20 to +70 C, speed 30-500 mm/s, and the extend stroke is adjustable from 15 mm down to 5 mm via the 10 mm stop-screw window.
The ISO 21287 short body saves about 50% of the mounting length of an ISO 15552 profile cylinder, so it fits narrow jigs and guarded stations. A fixed TPU bumper at each end absorbs end-of-stroke shock. Position sensing requires the optional -S magnet code, which allows CMSE / DMSE switches on the body slots; without -S there is no magnet and no switch can be read. FA flange and LB foot mountings bolt to the standard ISO 21287 face.
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