Airtac ACEJ32~40 Adjustable Cushion Compact Cylinder ACEJ32X100-40
The AirTAC Airtac ACEJ32~40 Adjustable Cushion Compact Cylinder ACEJ32X100-40 is a genuine double acting, adjustable stroke ISO 21287 compact air cylinder with a Ø32mm bore and 100mm 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.
- BoreØ32 mm
- Stroke100 mm
- Port size1/8"
- Acting typeDouble acting, adjustable stroke
- Rod threadM8×1.25
- CushionFixed TPU bumper (both ends)
About the Airtac ACEJ32~40 Adjustable Cushion Compact Cylinder ACEJ32X100-40
A double acting ISO 21287 compact cylinder, the ACEJ32X100-40 pairs a 32 mm bore with a 100 mm stroke that an external stop screw can trim anywhere in a 40 mm window, giving a usable extend range of 60-100 mm. At 0.5 MPa it delivers 402.1 N on the push stroke and 345.6 N on the pull stroke, rising to 563 N and 483.8 N at 0.7 MPa. In practice, plan on roughly 241 N of real work at 0.5 MPa, which is about 60% of the rated push force.
The hard-anodized aluminium body with an S45C hard-chrome plated rod saves about 50% of the mounting length of an ISO 15552 profile cylinder, so it slots into tight jigs and guarding. For vertical duty, the push force equates to roughly 41 kgf, so a 2:1 margin lets it lift about 20 kg safely. Note that the stop screw is a mechanical end stop only: on air loss the piston still drifts, so it is not a load-holding lock. The magnet is not fitted; order the -S code if you need CMSE / DMSE switch sensing.
Airtac ACEJ32~40 Adjustable Cushion Compact Cylinder ACEJ32X100-40 Technical Specifications
| Model | Airtac ACEJ32~40 Adjustable Cushion Compact Cylinder ACEJ32X100-40 |
|---|---|
| Series | ACEJ compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø32 mm |
| Stroke | 100 mm |
| Acting type | Double acting, adjustable stroke |
| Port size | 1/8" |
| Rod thread | M8×1.25 |
| 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 200 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 (Ø32mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | 484 N |
| Max (@1.0 MPa) | 82 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac ACEJ32~40 Adjustable Cushion Compact Cylinder ACEJ32X100-40
| ACEJ | ISO 21287 compact cylinder (adjustable-stroke). |
|---|---|
| 32 | Bore size in mm. |
| ×100 | 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 ACEJ32~40 Adjustable Cushion Compact Cylinder ACEJ32X100-40 Is Used
Fixture clamp stroke tuning
On a CNC machining fixture, the stop screw lets a technician dial the clamp stroke anywhere from 60 to 100 mm to match part heights, with 402.1 N of push force holding the workpiece at 0.5 MPa.
Packaging pusher arm
A conveyor-mounted pusher on a snack-food line uses the 100 mm stroke to kick cartons sideways; the 40 mm adjustment window absorbs later changes in carton width without re-piping the 1/8" port.
Small parts ejector
In a stamping die or press bench, the cylinder ejects finished brackets from the nest, lifting about 20 kg vertically with a 2:1 margin, while the TPU bumpers absorb end-of-stroke shock at 30-500 mm/s.
Is the Airtac ACEJ32~40 Adjustable Cushion Compact Cylinder ACEJ32X100-40 the Right Cylinder?
At 402.1 N push (0.5 MPa) this 32 mm bore suits clamping and positioning loads up to about 241 N with margin. Step down to the 25 mm bore (245.4 N push) for lighter fixtures, or up to the 40 mm bore (628.3 N push) when the load grows. The 40 mm window trims the 100 mm extend stroke down to 60 mm on site; it cannot lengthen beyond 100 mm. FA flange, LB foot and FTC brackets plus I/Y rod knuckles bolt to the ISO 21287 face, and the female M8x1.25 rod thread takes standard tooling. Remember the adjuster is an end stop, not a mid-stroke brake.
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 ACEJ32~40 Adjustable Cushion Compact Cylinder ACEJ32X100-40 FAQ
This 32 mm bore, 100 mm stroke model is double acting with a 40 mm adjustable window, so the extend stroke can be trimmed to 60-100 mm. Push force is 402.1 N and pull force 345.6 N at 0.5 MPa; at 0.7 MPa it reaches 563 N push and 483.8 N pull. Theoretical maximum is 82 kgf at 1.0 MPa. 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 port is 1/8" PT with a female M8x1.25 rod thread.
The ISO 21287 short body saves about 50% of the mounting length of an ISO 15552 profile cylinder, with a fixed TPU bumper at each end to soften arrival. Mounting is via FA flange, LB foot or FTC brackets, plus I and Y rod knuckles. Sensing is not included as standard: the magnet is the optional -S code, and only with that magnet ordered can CMSE or DMSE switches be mounted on the body slots.
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