
The AirTAC Airtac ACEJ50~63 Adjustable Compact Air Cylinder ACEJ63X75-50 is a genuine double acting, adjustable stroke ISO 21287 compact air cylinder with a Ø63mm bore and 75mm 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.
A double acting ISO 21287 compact cylinder, the ACEJ63X75-50 pairs a 63 mm bore with a 75 mm stroke that an external stop screw trims on site: the -50 code gives a 50 mm window, so the usable extend range is 25-75 mm. At 0.5 MPa it pushes 1558.6 N and pulls 1458.1 N, and the hard-anodized aluminium body with an S45C hard-chrome plated 16 mm rod stands up to continuous jig and fixture duty. The short body saves about 50% of the mounting length of an ISO 15552 profile cylinder, which is why it fits machines where a full-length profile cylinder simply will not go.
In practice that force means real work: plan on roughly 935 N (about 95 kg) of usable push at 0.5 MPa, and expect the rod to lift about 79 kg vertically with a 2:1 margin. The female M10x1.5 rod thread and 1/8" PT ports bolt into standard circuits, FA flange or LB foot mounts drop onto the ISO 21287 face, and a fixed TPU bumper at each end absorbs end-of-stroke shock. Speed range is 30-500 mm/s over 0.15-1.0 MPa (22-145 psi). Note there is no magnet fitted on this version; order the -S code if you want CMSE / DMSE switch sensing.
| Model | Airtac ACEJ50~63 Adjustable Compact Air Cylinder ACEJ63X75-50 |
|---|---|
| Series | ACEJ compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø63 mm |
| Stroke | 75 mm |
| Acting type | Double acting, adjustable stroke |
| Port size | 1/8" |
| Rod thread | M10×1.5 |
| 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 250 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 | 1559 N | 1458 N |
| 0.7 MPa | 2182 N | 2041 N |
| Max (@1.0 MPa) | 318 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). |
|---|---|
| 63 | Bore size in mm. |
| ×75 | 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.
The 1558.6 N push at 0.5 MPa clamps aluminium or steel workpieces in dedicated fixtures, and the 25-75 mm trimmed stroke lets the setter dial in clamp travel without changing the cylinder.
With about 935 N of practical working force and a 16 mm hard-chrome rod, this bore handles light pressing, staking and rivet forming on assembly benches where floor space is tight.
The rod lifts about 79 kg vertically with a 2:1 margin, and the short ISO 21287 body fits inside compact gantry frames that cannot accept a full-length profile cylinder.
Check the force first: at 0.5 MPa this 63 mm bore delivers 1558.6 N push, comfortably above the 981.7 N of a 50 mm bore and well below the 2513.3 N of an 80 mm bore, so it suits clamping and pressing loads in the 100-200 kg class. If your load needs the full stroke held against a drop, remember the stop screw is an end stop only - it does not lock the piston mid-stroke, so add a valve or external stop for holding. The 50 mm window covers jobs where the final position is tuned after installation; if you need position feedback, order the -S magnet variant instead and fit CMSE or DMSE switches. FA flange and LB foot mounting plus I and Y rod knuckles cover most fixture interfaces.
Quick checklist
At 0.5 MPa it pushes 1558.6 N and pulls 1458.1 N; at 0.7 MPa push rises to 2182.1 N and pull to 2041.3 N, with a theoretical maximum of 317.9 kgf at 1.0 MPa. The 63 mm bore has a 16 mm rod, 1/8" PT ports and a female M10x1.5 rod thread. Operating pressure is 0.15-1.0 MPa (22-145 psi), proof pressure 1.5 MPa (215 psi), speed 30-500 mm/s, temperature -20 to +70 C, and the extend stroke is adjustable from 25 to 75 mm via the -50 stop screw.
It is an ISO 21287 compact cylinder whose 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 impact. FA flange, LB foot and FTC brackets plus I and Y rod knuckles bolt straight to the standard face. Sensing is not included on this model: there is no magnet fitted, so order the -S version if you want to mount CMSE or DMSE switches for end-position detection.
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