
The AirTAC ACEJ80~100 Adjustable Compact Cylinder ACEJ80X275-10B is a genuine double acting, double rod, adjustable stroke ISO 21287 compact air cylinder with a Ø80mm bore and 275mm 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 ACEJ80X275-10B is a double acting ISO 21287 compact cylinder with an adjustable extend stroke: an external stop screw trims the 275 mm stroke by up to 10 mm on site, giving a usable range of 265-275 mm without changing the cylinder. At the 80 mm bore it pushes 2513.3 N and pulls 2356.2 N at 0.5 MPa, rising to 3518.6 N at 0.7 MPa, with a theoretical peak of 512.6 kgf at 1.0 MPa. The B code gives a male rod thread on the 20 mm rod, and the air port is 1/8" PT.
The short ISO 21287 body saves about 50% of the mounting length of an ISO 15552 profile cylinder, so this heavy-thrust cylinder still fits tight press fixtures and gantries. A fixed TPU bumper at each end absorbs end-of-stroke energy, and the hard-anodized aluminium body with an S45C hard-chrome rod stands up to continuous cycling at 30-500 mm/s.
| Model | Airtac ACEJ80~100 Adjustable Compact Cylinder ACEJ80X275-10B |
|---|---|
| Series | ACEJ compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø80 mm |
| Stroke | 275 mm |
| Acting type | Double acting, double rod, 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 | Force (both ways) |
|---|---|
| 0.5 MPa | 2356 N |
| 0.7 MPa | 3299 N |
| Max (@1.0 MPa) | 481 kgf |
ACEJ is double-rod: the rear rod that carries the stroke adjuster exits the rear cover, so both piston faces lose rod area. The rod-side (annular) area is used for both directions (conservative).
| ACEJ | ISO 21287 compact cylinder (adjustable-stroke). |
|---|---|
| 80 | Bore size in mm. |
| ×275 | 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 (double rod, 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.
A 275 mm stroke swings heavy pallet-line gates and stops on conveyor systems, while the compact body fits the narrow guard space beside the frame.
About 1508 N of practical holding force clamps steel tube assemblies in automotive weld jigs; the male rod thread (B) accepts knuckle joints for angled clamping.
The -10 window suits applications where the final position must be fine-tuned after installation - it shortens the extend stroke only and acts as a mechanical end stop, not a mid-stroke lock, so the rod can still drift if air is lost. Mount with FA flange or LB foot brackets on the ISO 21287 face, add I or Y rod knuckles for side misalignment, and order the optional -S magnet if CMSE / DMSE switch position sensing is needed later - this unit has no magnet fitted.
Quick checklist
At 0.5 MPa it pushes 2513.3 N and pulls 2356.2 N; at 0.7 MPa push is 3518.6 N and pull 3298.7 N, with a theoretical maximum of 512.6 kgf at 1.0 MPa. The -10 code gives a 10 mm adjustment window: an external stop screw shortens the 275 mm extend stroke to any setting between 265 and 275 mm. It is a mechanical end stop for the extend stroke only - it does not hold a load if air pressure is lost.
The ISO 21287 short body saves about 50% of the mounting length of an ISO 15552 profile cylinder, so it slots into tight machine frames. Position sensing requires the optional -S magnet code, which enables CMSE or DMSE switches; this model (no S code) has no magnet, so no switch can be mounted. FA flange and LB foot mountings bolt to the standard face, the port is 1/8" PT, and a fixed TPU bumper at each end absorbs end-of-stroke impact.
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