
The AirTAC Airtac ACEJ50~63 Adjustable Compact Air Cylinder ACEJ63X90-10S is a genuine double acting, adjustable stroke ISO 21287 compact air cylinder with a Ø63mm bore and 90mm 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.
The ACEJ63X90-10S is a double acting ISO 21287 compact cylinder with an adjustable extend stroke: an external stop screw trims the 90 mm stroke by up to 10 mm on site, giving a usable range of 80-90 mm without changing the cylinder. At 0.5 MPa it pushes with 1558.6 N and pulls with 1458.1 N, rising to 2182.1 N at 0.7 MPa - enough for clamping and pressing fixtures in the mid-heavy force class.
The hard-anodized aluminium body with an S45C hard-chrome rod saves about 50% of the mounting length of an ISO 15552 profile cylinder, so it slots into tight gantries and guarding. Plan for roughly 935 N (about 95 kg) of real work at 0.5 MPa, which lifts about 79 kg vertically - halve that for a 2:1 margin on vertical lifts. The -S magnet is fitted, so CMSE / DMSE switches can be added for end-of-stroke sensing.
| Model | Airtac ACEJ50~63 Adjustable Compact Air Cylinder ACEJ63X90-10S |
|---|---|
| Series | ACEJ compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø63 mm |
| Stroke | 90 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. |
| ×90 | Stroke length in mm. |
| -10 | 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.
1558.6 N push at 0.5 MPa clamps aluminium housings in dedicated jigs; the 80-90 mm adjustable range matches varying part heights without swapping cylinders.
The short ISO 21287 body fits under low guarding beside the belt, and the fitted -S magnet with a DMSE switch confirms each push stroke is complete.
About 95 kg of usable working force at 0.5 MPa presses bearings into housings; the stop screw sets a repeatable 80-90 mm extend stroke for consistent depth.
Size both ways before committing: the 50 mm bore delivers 981.7 N push at 0.5 MPa, while the 80 mm bore reaches 2513.3 N - this 63 mm sits between them at 1558.6 N push and 1458.1 N pull. If your jig needs a shorter travel than 90 mm, the -10 window lets you dial the extend stroke down to 80 mm with the stop screw rather than ordering a new cylinder.
Note the stop screw is a mechanical end stop for the extend stroke only - on air loss the piston still drifts, so add a separate valve or lock if the load must be held. FA flange, LB foot and FTC brackets plus I/Y rod knuckles bolt to the ISO 21287 face, and the fitted -S magnet accepts CMSE / DMSE switches.
Quick checklist
At 0.5 MPa it pushes 1558.6 N and pulls 1458.1 N; at 0.7 MPa push is 2182.1 N and pull 2041.3 N, with a theoretical maximum of 317.9 kgf at 1.0 MPa. The -10 code is a 10 mm adjustment window: an external stop screw shortens the 90 mm extend stroke to as little as 80 mm. It is an end stop only - it never holds a load on air loss. Operating pressure is 0.15-1.0 MPa (22-145 psi), speed 30-500 mm/s, and a fixed TPU bumper sits at both ends.
The ISO 21287 short body saves about 50% of the mounting length of an ISO 15552 profile cylinder, with a hard-anodized aluminium body and S45C hard-chrome rod. This model carries the optional -S magnet, so CMSE reed or DMSE solid-state switches mount directly in the body slots for end-of-stroke detection. FA flange, LB foot and rod knuckles bolt to the standard ISO 21287 face; the rod end is female M10x1.5 and the port is 1/8" PT.
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