Airtac ACEJ12 Adjustable Compact Cylinder ACEJ12X50-10SB
The AirTAC Airtac ACEJ12 Adjustable Compact Cylinder ACEJ12X50-10SB is a genuine double acting, adjustable stroke ISO 21287 compact air cylinder with a Ø12mm bore and 50mm 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
- Stroke50 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 ACEJ12X50-10SB
The ACEJ12X50-10SB is a double acting AirTAC compact cylinder to ISO 21287 with an adjustable extend stroke: an external stop screw trims the 50 mm stroke by up to 10 mm, giving a usable range of 40-50 mm without changing the cylinder. At 0.5 MPa the 12 mm bore delivers 56.5 N push and 42.4 N pull, rising to 79.2 N push at 0.7 MPa. In practice, plan on roughly 34 N of usable work at 0.5 MPa, and expect it to lift about 2.9 kg vertically with a 2:1 margin.
The hard-anodized aluminium body with an S45C hard-chrome plated 6 mm rod keeps the mounting length about 50% shorter than an ISO 15552 profile cylinder, so it slots into tight pick-and-place heads and small fixtures. The male (B) rod thread suits external rod couplings, the fitted -S magnet works with CMSE / DMSE switches, and a fixed TPU bumper at each end absorbs end-of-stroke impact. Operating range is 0.15-1.0 MPa (22-145 psi), speed 30-500 mm/s, temperature -20 to +70 C.
Airtac ACEJ12 Adjustable Compact Cylinder ACEJ12X50-10SB Technical Specifications
| Model | Airtac ACEJ12 Adjustable Compact Cylinder ACEJ12X50-10SB |
|---|---|
| Series | ACEJ compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø12 mm |
| Stroke | 50 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 ACEJ12X50-10SB
| ACEJ | ISO 21287 compact cylinder (adjustable-stroke). |
|---|---|
| 12 | 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.
Where the Airtac ACEJ12 Adjustable Compact Cylinder ACEJ12X50-10SB Is Used
Micro assembly press head
The 40-50 mm adjustable extend stroke lets a benchtop electronics fixture dial in exact pressing depth on connector pins, using the 56.5 N push at 0.5 MPa for light insertion work.
Small-part reject kicker
Mounted beside a bottling line conveyor, the 12 mm bore kicks underweight vials off the belt; the fitted magnet and a CMSE switch confirm the kick on every cycle at up to 500 mm/s.
Lab sample elevator
The short ISO 21287 body fits inside a compact analytical instrument enclosure, lifting about 2.9 kg sample trays vertically with a 2:1 margin on the 50 mm stroke.
Is the Airtac ACEJ12 Adjustable Compact Cylinder ACEJ12X50-10SB the Right Cylinder?
At 56.5 N push (0.5 MPa) this 12 mm bore suits light clamping and small part transfer; step up to the 16 mm bore (100.5 N push) if loads grow, or drop to a smaller non-adjustable ACE if the stroke never needs trimming. The stop screw is a mechanical end stop only - on air loss the piston can still drift, so do not rely on it to hold a load. Foot (LB) or flange (FA) mounting and the optional -S magnet for CMSE / DMSE switches make fixture integration straightforward; this model already carries the magnet and the male rod 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 ACEJ12X50-10SB FAQ
At 0.5 MPa: 56.5 N push and 42.4 N pull. At 0.7 MPa: 79.2 N push and 59.4 N pull. Theoretical maximum is 11.5 kgf at 1.0 MPa. Bore is 12 mm, stroke 50 mm adjustable down to 40 mm via the -10 stop screw, port M5x0.8, rod 6 mm with male thread, speed 30-500 mm/s, operating pressure 0.15-1.0 MPa (22-145 psi), proof 1.5 MPa (215 psi).
The ISO 21287 short body saves about 50% of the mounting length of an ISO 15552 profile cylinder, with a hard-anodized aluminium body, S45C hard-chrome rod and fixed TPU bumpers at both ends. This model carries the optional -S magnet, so CMSE / DMSE reed or solid-state switches can be clipped onto the body slots for end-of-stroke detection. FA flange and LB foot mounts bolt to the standard ISO 21287 face.
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