Airtac ACEJ80~100 Adjustable Compact Cylinder ACEJ100X125-50
The AirTAC Airtac ACEJ80~100 Adjustable Compact Cylinder ACEJ100X125-50 is a genuine double acting, adjustable stroke ISO 21287 compact air cylinder with a Ø100mm bore and 125mm 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
- Stroke125 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 ACEJ100X125-50
A heavy-duty double acting compact cylinder built to ISO 21287, the ACEJ100X125-50 pairs a 100 mm bore with a 125 mm stroke and an external stop screw that trims the extend stroke by up to 50 mm, giving a usable range of 75-125 mm on site. At 0.5 MPa it pushes 3927 N and pulls 3769.9 N, and the hard-anodized aluminium body with an S45C hard-chrome plated 20 mm rod stands up to continuous jig and gantry duty. Air ports are 1/8" PT.
The short ISO 21287 body saves about 50% of the mounting length of an ISO 15552 profile cylinder, so it slots into press fixtures and end-of-line stations where a full-length body will not fit. In practice, plan on roughly 0.6 of the push rating, about 2356 N, and with a 2:1 vertical margin that means lifting roughly 200 kg per cylinder. Note that this unit has no magnet fitted; order the -S code if you need CMSE or DMSE switch sensing.
Airtac ACEJ80~100 Adjustable Compact Cylinder ACEJ100X125-50 Technical Specifications
| Model | Airtac ACEJ80~100 Adjustable Compact Cylinder ACEJ100X125-50 |
|---|---|
| Series | ACEJ compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø100 mm |
| Stroke | 125 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 ACEJ100X125-50
| ACEJ | ISO 21287 compact cylinder (adjustable-stroke). |
|---|---|
| 100 | Bore size in mm. |
| ×125 | Stroke length in mm. |
| -50 | 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 ACEJ100X125-50 Is Used
Pneumatic press stations
The 3927 N push at 0.5 MPa (5497.8 N at 0.7 MPa) suits staking, riveting and light forming on aluminium brackets where the 75-125 mm adjustable window lets one cylinder serve several part heights.
Weld fixture clamping
In automotive weld cells the short body tucks behind fixture guards, and the FA flange mount holds the cylinder rigid while the TPU bumper absorbs end-of-stroke shock on every clamp cycle.
Pallet gate lifting
With about 200 kg of vertical lift capacity per cylinder at a 2:1 margin, a pair of these units can raise conveyor divert gates and pallet stops in warehouse transfer lines.
Is the Airtac ACEJ80~100 Adjustable Compact Cylinder ACEJ100X125-50 the Right Cylinder?
Size against the load: the next bore down, 80 mm, delivers 2513.3 N push at 0.5 MPa, while stepping up to 125 mm raises it to 6135.9 N, so pick 100 mm when your clamping or pressing force sits between those bands. Running at 0.15-1.0 MPa (22-145 psi) with a 30-500 mm/s speed range covers most automation circuits. Remember the stop screw is a mechanical end stop only, not a mid-stroke lock, so the rod will still drift if air is lost. FA flange or LB foot mounts plus I and Y rod knuckles bolt straight to the ISO 21287 face, and the optional -S magnet enables CMSE / DMSE switches.
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 ACEJ100X125-50 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 -50 code sets a 50 mm adjustment window: an external stop screw shortens the 125 mm extend stroke by up to 50 mm, so the working range is 75-125 mm. It is double acting, runs at 30-500 mm/s on 0.15-1.0 MPa (22-145 psi) air filtered to 40 um, and carries a fixed TPU bumper at both ends.
It is an ISO 21287 compact cylinder with a hard-anodized aluminium body, threaded aluminium covers and an S45C hard-chrome plated 20 mm rod, saving about 50% of the mounting length of an ISO 15552 profile cylinder. Sensing is not included as standard: the magnet is the optional -S code, and only with -S ordered can CMSE or DMSE switches be mounted on the body. This unit ships without the magnet, so no switch can be fitted unless you specify -S. Mounting options include FA flange, LB foot, FTC brackets and I/Y rod knuckles.
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