Airtac ACEJ12 Adjustable Compact Cylinder ACEJ16X70-10S
The AirTAC Airtac ACEJ12 Adjustable Compact Cylinder ACEJ16X70-10S is a genuine double acting, adjustable stroke ISO 21287 compact air cylinder with a Ø16mm bore and 70mm 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.
- BoreØ16 mm
- Stroke70 mm
- Port sizeM5×0.8
- Acting typeDouble acting, adjustable stroke
- Rod threadM4×0.7
- CushionFixed TPU bumper (both ends)
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac ACEJ12 Adjustable Compact Cylinder ACEJ16X70-10S
The ACEJ16X70-10S is a double acting ISO 21287 compact cylinder with a 16 mm bore and a 70 mm stroke that an external stop screw trims on site. The -10 code sets a 10 mm adjustment window, so the extend stroke can be shortened anywhere in a 60-70 mm range. At 0.5 MPa it pushes 100.5 N and pulls 75.4 N, rising to 140.7 N at 0.7 MPa, with a theoretical maximum of 20.5 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 tight fixtures and guarding. The S code means the optional magnet is fitted on this model, letting CMSE or DMSE reed and solid-state switches report end positions. As a rule of thumb, keep real work to about 60 N (roughly 6 kg of vertical lift with margin) so the 8 mm hard-chrome rod runs with a comfortable reserve.
Airtac ACEJ12 Adjustable Compact Cylinder ACEJ16X70-10S Technical Specifications
| Model | Airtac ACEJ12 Adjustable Compact Cylinder ACEJ16X70-10S |
|---|---|
| Series | ACEJ compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø16 mm |
| Stroke | 70 mm |
| Acting type | Double acting, adjustable stroke |
| Port size | M5×0.8 |
| Rod thread | M4×0.7 |
| 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 75 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 (Ø16mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 101 N | 75 N |
| 0.7 MPa | 141 N | 106 N |
| Max (@1.0 MPa) | 21 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 ACEJ16X70-10S
| ACEJ | ISO 21287 compact cylinder (adjustable-stroke). |
|---|---|
| 16 | Bore size in mm. |
| ×70 | 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 ACEJ16X70-10S Is Used
Small-parts ejection in assembly stations
A 60-70 mm extend stroke with about 100 N of push at 0.5 MPa is enough to kick a finished connector or cap off a nest, and the trimmed stroke keeps the ejector from over-travel.
Position-verified test fixtures
Because the -S magnet is fitted, CMSE or DMSE switches confirm the rod has reached the trimmed end of its 60-70 mm range before a leak or press test starts.
Compact clamping in tight machine frames
The short body, roughly half the mounting length of an ISO 15552 profile cylinder, lets this 16 mm bore clamp PCB jigs or small castings inside narrow guarding where a full-length cylinder will not fit.
Is the Airtac ACEJ12 Adjustable Compact Cylinder ACEJ16X70-10S the Right Cylinder?
Check the load both ways before ordering: at 0.5 MPa this 16 mm bore delivers 100.5 N push and 75.4 N pull, while the next size up, the 20 mm bore, gives 157.1 N push and 117.8 N pull if you need more reserve. The stop screw only shortens the extend stroke inside the 10 mm window and is a mechanical end stop, not a mid-stroke lock, so the piston still drifts if air is lost. FA flange or LB foot mountings bolt to the ISO 21287 face, and this -S version already carries the magnet for CMSE / DMSE switch mounting.
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 ACEJ16X70-10S FAQ
At 0.5 MPa it pushes 100.5 N and pulls 75.4 N; at 0.7 MPa push is 140.7 N and pull 105.6 N; theoretical maximum is 20.5 kgf at 1.0 MPa. It is double acting with a 70 mm stroke adjustable down to 60 mm via the stop screw, runs on air filtered to 40 um at 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, with a M5x0.8 port and female M4x0.7 rod thread.
It is an ISO 21287 compact cylinder whose hard-anodized aluminium body saves about 50% of the mounting length of an ISO 15552 profile cylinder, with a fixed TPU bumper at each end to absorb end-of-stroke energy. FA flange and LB foot mountings bolt to the standard face, and because the -S magnet is fitted on this model you can add CMSE or DMSE switches for end-position sensing.
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Covers non-human-caused product damage.
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Standard models are processed and dispatched in 3-5 business days.
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