Airtac ACEJ80~100 Adjustable Compact Cylinder ACEJ100X55-40
The AirTAC Airtac ACEJ80~100 Adjustable Compact Cylinder ACEJ100X55-40 is a genuine double acting, adjustable stroke ISO 21287 compact air cylinder with a Ø100mm bore and 55mm 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.
- BoreØ100 mm
- Stroke55 mm
- Port size1/8"
- Acting typeDouble acting, adjustable stroke
- Rod threadM12×1.75
- 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 ACEJ80~100 Adjustable Compact Cylinder ACEJ100X55-40
The ACEJ100X55-40 is a double acting ISO 21287 compact cylinder with a 100 mm bore and a 55 mm stroke that an external stop screw trims on site: the -40 code gives a 40 mm window, so the extend stroke can be set anywhere from 15 to 55 mm without shims or spacers. 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 press fixtures and gantries where a full-length body will not fit.
For sizing the load, plan on roughly 2356 N (about 240 kg) of real work at 0.5 MPa rather than the full rating; halved again for a 2:1 margin, it lifts about 200 kg vertically. The hard-anodized aluminium body carries a S45C hard-chrome plated 20 mm rod, a fixed TPU bumper at each end absorbs end-of-stroke shock, and the optional -S magnet enables CMSE / DMSE switches - without that code no magnet is fitted. Ports are 1/8" (PT), speed runs 30-500 mm/s, and pressure spans 0.15-1.0 MPa (22-145 psi).
Airtac ACEJ80~100 Adjustable Compact Cylinder ACEJ100X55-40 Technical Specifications
| Model | Airtac ACEJ80~100 Adjustable Compact Cylinder ACEJ100X55-40 |
|---|---|
| Series | ACEJ compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø100 mm |
| Stroke | 55 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.
Theoretical Output Force (Ø100mm)
| 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.
Model Code: Airtac ACEJ80~100 Adjustable Compact Cylinder ACEJ100X55-40
| ACEJ | ISO 21287 compact cylinder (adjustable-stroke). |
|---|---|
| 100 | Bore size in mm. |
| ×55 | Stroke length in mm. |
| -40 | 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 ACEJ80~100 Adjustable Compact Cylinder ACEJ100X55-40 Is Used
Short-stroke press fixture
A 55 mm stroke trimmed down to 15 mm is ideal for staking or marking heads on aluminium extrusion lines, where the 3927 N push at 0.5 MPa (5497.8 N at 0.7 MPa) drives the tool without a full-length body in the way.
Pallet clamp on a machining centre
Clamping machined pallets of about 200 kg vertically fits the 2:1 margin on this bore, and the 40 mm adjustment window lets the setter dial the clamp point per fixture.
Gate or stopper on a heavy conveyor
Stopping steel bins or totes on a 800 mm wide conveyor needs the 3769.9 N pull force at 0.5 MPa; LB foot mounting drops it under the frame where height is limited.
Is the Airtac ACEJ80~100 Adjustable Compact Cylinder ACEJ100X55-40 the Right Cylinder?
At this bore size the step either way is large: a 80 mm bore gives 2513.3 N push at 0.5 MPa, while stepping up to 125 mm raises it to 6135.9 N - so if your load sits near 2400 N, the 100 mm bore is the balanced choice. Remember the stop screw is a mechanical end stop for the extend stroke, not a mid-stroke lock: on air loss the piston still drifts, so add a separate valve or lock for load holding. FA flange or LB foot mounting bolts to the ISO 21287 face, and order 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 ACEJ80~100 Adjustable Compact Cylinder ACEJ100X55-40 FAQ
At 0.5 MPa it pushes 3927 N and pulls 3769.9 N; at 0.7 MPa push rises to 5497.8 N and pull to 5277.9 N, with a theoretical maximum of 800.9 kgf at 1.0 MPa. The -40 code is a 40 mm adjustment window: an external stop screw shortens the 55 mm extend stroke by up to 40 mm, giving a usable range of 15-55 mm. Operating pressure is 0.15-1.0 MPa (22-145 psi), proof pressure 1.5 MPa (215 psi), speed 30-500 mm/s, and the air must be filtered to 40 um.
The ISO 21287 short body saves about 50% of the mounting length of an ISO 15552 profile cylinder, so it fits tight guards and gantries. A fixed TPU bumper at each end absorbs end-of-stroke energy. FA flange and LB foot mountings bolt to the standard face, with I and Y rod knuckles on the M12x1.75 female rod thread. Position sensing needs the optional -S magnet code - only then can CMSE or DMSE switches be mounted; without -S the cylinder carries no magnet.
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