
The AirTAC Airtac ACEJ80~100 Adjustable Compact Cylinder ACEJ100X100-30S is a genuine double acting, adjustable stroke ISO 21287 compact air cylinder with a Ø100mm 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.
This is a double acting ISO 21287 compact cylinder with an adjustable extend stroke. The 100 mm bore delivers 3927 N push and 3769.9 N pull at 0.5 MPa, rising to 5497.8 N at 0.7 MPa, with a theoretical peak of 800.9 kgf at 1.0 MPa. The -30 code means an external stop screw trims the 100 mm extend stroke anywhere in a 30 mm window, so the usable range is 70-100 mm, set on site with a screwdriver rather than a new order. The short ISO 21287 body takes up roughly 50% less mounting length than an ISO 15552 profile cylinder, which is why it slots into heavy presses and gantries where a full-length body will not fit.
Practical sizing: plan on about 2356 N (roughly 240 kg) of real work at 0.5 MPa, and expect it to lift about 200 kg vertically with a 2:1 margin. Construction is a hard-anodized aluminium body with an S45C hard-chrome-plated 20 mm rod, a grease-retaining two-way piston seal and a fixed TPU bumper at each end. This model carries the optional -S magnet, so CMSE or DMSE reed and solid-state switches can be clamped into the body slots for end-of-stroke sensing. Air supply is 0.15-1.0 MPa (22-145 psi), filtered to 40 um, with speeds of 30-500 mm/s.
| Model | Airtac ACEJ80~100 Adjustable Compact Cylinder ACEJ100X100-30S |
|---|---|
| Series | ACEJ compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø100 mm |
| Stroke | 100 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.
| 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.
| ACEJ | ISO 21287 compact cylinder (adjustable-stroke). |
|---|---|
| 100 | Bore size in mm. |
| ×100 | Stroke length in mm. |
| -30 | 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.
The 3927 N push at 0.5 MPa clamps large castings or weldments in machining fixtures, and the 30 mm adjustment window lets one cylinder serve parts of slightly different heights without re-plumbing.
With about 240 kg of practical working force and a 70-100 mm stroke range, it suits staking, riveting and light forming heads where floor space rules out a full-length profile cylinder.
The theoretical 800.9 kgf class means it can raise roughly 200 kg parts vertically with a 2:1 margin, while the fitted magnet and CMSE switches confirm top and bottom of travel on the HMI.
At this force class the ACEJ100X100-30S sits near the top of the range: the next bore down, the 80 mm ACEJ, gives 2513.3 N push at 0.5 MPa, while the 125 mm bore reaches 6135.9 N. If your load needs more than about 240 kg of usable push, step up; if it is under 250 kg, this bore is the economical choice. Remember the stop screw only shortens the extend stroke and is not a mid-stroke lock, so on air loss the piston still drifts - add a separate holding valve if the load must stay put. FA flange or LB foot mountings bolt to the ISO 21287 face, and the fitted -S magnet lets you add CMSE / DMSE switches wherever position feedback is needed.
Quick checklist
At 0.5 MPa it pushes 3927 N and pulls 3769.9 N; at 0.7 MPa those figures rise to 5497.8 N push and 5277.9 N pull, with a theoretical maximum of 800.9 kgf at 1.0 MPa. The -30 code gives a 30 mm adjustment window: an external stop screw shortens the 100 mm extend stroke on site, giving a usable range of 70-100 mm. It shortens the stroke only - it never extends it past 100 mm, and it is a mechanical end stop, not a load-holding brake. Supply air at 0.15-1.0 MPa (22-145 psi), filtered to 40 um, and run speeds of 30-500 mm/s.
The ISO 21287 compact body saves about 50% of the mounting length of an ISO 15552 profile cylinder, so it fits tight guards, jigs and gantry frames. A fixed TPU bumper at each end absorbs end-of-stroke impact. This model carries the optional -S magnet, so CMSE or DMSE reed and solid-state switches mount directly in the body slots for position feedback. FA flange and LB foot mountings plus I and Y rod knuckles bolt straight to the standard ISO 21287 face, and the rod ends in a female M12x1.75 thread with a 1/8" PT air port.
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