
The AirTAC ACEJ12 Adjustable Compact Cylinder ACEJ16X30-30SB is a genuine double acting, double rod, adjustable stroke ISO 21287 compact air cylinder with a Ø16mm bore and 30mm stroke, M5×0.8 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 ACEJ16X30-30SB pairs a 16 mm bore with a 30 mm stroke that an external stop screw trims anywhere in the ordered 30 mm window, so one unit covers 0-30 mm of extend travel. At 0.5 MPa it pushes 100.5 N and pulls 75.4 N; at 0.7 MPa push rises to 140.7 N. The male rod thread (B code) and the fitted -S magnet make it direct ready for switch-based positioning.
The short ISO 21287 body saves about 50% of the mounting length of an ISO 15552 profile cylinder, which is why it slots into slim pick-and-place heads and guarded assemblies. A hard-anodized aluminium body carries an S45C hard-chrome rod, with a fixed TPU bumper at each end.
| Model | Airtac ACEJ12 Adjustable Compact Cylinder ACEJ16X30-30SB |
|---|---|
| Series | ACEJ compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø16 mm |
| Stroke | 30 mm |
| Acting type | Double acting, double rod, adjustable stroke |
| Port size | M5×0.8 |
| Rod thread | M4×0.7 |
| 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 75 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 | 75 N |
| 0.7 MPa | 106 N |
| Max (@1.0 MPa) | 15 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). |
|---|---|
| 16 | Bore size in mm. |
| ×30 | 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 (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.
Advances a camera bracket into a PCB inspection station; the fitted -S magnet drives CMSE switches so the PLC confirms the extend position before the vision cycle starts.
Remember the stop screw sets the extend end position but is not a mid-stroke lock - on air loss the piston still drifts, so add a separate clamp if holding matters. FA flange or LB foot mountings bolt to the ISO 21287 face, and the fitted -S magnet accepts CMSE / DMSE switches for end-of-stroke sensing. Running 0.15-1.0 MPa (22-145 psi) at 30-500 mm/s suits most pick-and-place timing.
Quick checklist
At 0.5 MPa it pushes 100.5 N and pulls 75.4 N; at 0.7 MPa push is 140.7 N and pull 105.6 N; theoretical maximum is 20.5 kgf at 1.0 MPa. Operating pressure is 0.15-1.0 MPa (22-145 psi) with 1.5 MPa (215 psi) proof pressure, speed 30-500 mm/s, air filtered to 40 um, and -20 to +70 C temperature range.
The -30 code orders a 30 mm adjustment window: an external stop screw shortens the 30 mm extend stroke on site, giving a usable 0-30 mm range, with fixed TPU bumpers decelerating at both ends. The S code means the magnet is fitted, so CMSE / DMSE reed or solid-state switches mount in the body slots - without -S there is no magnet. The body is hard-anodized aluminium with an S45C hard-chrome rod, about 50% shorter in mounting length than an ISO 15552 profile cylinder, and takes FA/LB mountings on the ISO 21287 face.
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