
The AirTAC Airtac ACEJ50~63 Adjustable Compact Air Cylinder ACEJ63X75-10S 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 with a trimmable extend stroke, the ACEJ63X75-10S pairs a 63 mm bore with a 75 mm stroke and a 10 mm adjustment window, so the stop screw sets any extend length from 65 to 75 mm on site. At 0.5 MPa it pushes 1558.6 N and pulls 1458.1 N; at 0.7 MPa push rises to 2182.1 N, with a theoretical ceiling of 317.9 kgf at 1.0 MPa. The short body saves about 50% of the mounting length of an ISO 15552 profile cylinder, which is why it slots into tight welding jigs and press fixtures a full-length body cannot reach.
Plan on roughly 935 N of real work at 0.5 MPa (about 60% of the rated push) and expect it to lift about 79 kg vertically once a 2:1 margin is applied. The hard-anodized aluminium body carries a 16 mm S45C hard-chrome rod, a fixed TPU bumper sits at each end, and this unit carries the optional -S magnet, so CMSE / DMSE reed or solid-state switches can be clipped on for end-of-stroke sensing. Speed range is 30-500 mm/s across 0.15-1.0 MPa (22-145 psi).
| Model | Airtac ACEJ50~63 Adjustable Compact Air Cylinder ACEJ63X75-10S |
|---|---|
| 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. |
| -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.
The 1558.6 N push at 0.5 MPa seats steel brackets into a weld jig, and the 10 mm window lets the setter dial the clamp travel from 65 to 75 mm without shimming.
Mounted FA-flange on a carton transfer, the cylinder kicks boxes between lanes at 30-500 mm/s while the fitted magnet drives a CMSE switch for lane-full detection.
In a stamping die the 63 mm bore ejects formed parts with about 79 kg of vertical lift capability at a 2:1 margin, and the LB foot mount suits a die shoe bolt-down.
At this force class the 63 mm bore sits between the 50 mm (981.7 N push at 0.5 MPa) and the 80 mm (2513.3 N push at 0.5 MPa); pick 50 mm if your load stays under about 590 N of working force, step to 80 mm if you need headroom past 1500 N. The 75 mm stroke is well inside the 250 mm maximum standard stroke for this bore, so no made-to-order build is needed. Remember the -10 adjuster is a mechanical end stop for the extend stroke only: it trims the stroke, it does not hold a load if air is lost. FA flange or LB foot mounts bolt to the ISO 21287 face, and the female M10x1.5 rod thread takes standard rod knuckles such as I or Y.
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; theoretical maximum is 317.9 kgf at 1.0 MPa. The -10 code means an external stop screw shortens the 75 mm extend stroke by up to 10 mm, giving a usable 65-75 mm range. It is a mechanical end stop, not a mid-stroke lock, so the rod can still drift if air pressure is lost.
The ISO 21287 short body saves about 50% of the mounting length of an ISO 15552 profile cylinder, with a hard-anodized aluminium barrel, threaded aluminium covers and fixed TPU bumpers at both ends. This model carries the optional -S magnet, so CMSE / DMSE reed or solid-state switches mount in the body slots. FA flange and LB foot mounts plus I and Y rod knuckles attach to the standard ISO 21287 face; the rod end is female M10x1.5 and the port is 1/8" PT.
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