
The AirTAC MIJ Adjustable Cylinder MIJ40X15-10S is a genuine double acting, double rod, adjustable stroke round-body mini air cylinder with a Ø40mm bore and 15mm stroke, 1/4" air ports and a stainless-steel barrel and rod for mildly corrosive environments.
Dial in a precise forward end position on-site with this stainless-steel round-body mini cylinder. The external stop screw on the MIJ40X15-10S shortens the extend stroke by up to 10 mm, allowing you to tune the forward travel from 5 to 15 mm without swapping components; retract remains at the full stroke length. The 1/4" port and M12x1.25 male rod thread handle robust pneumatic flow for heavy duty cycles.
The stainless barrel and piston rod resist mild corrosion and washdown environments, while the built-in magnet (-S) supports CMSG, DMSG, and EMSG sensors for position detection.
| Model | Airtac MIJ Adjustable Cylinder MIJ40X15-10S |
|---|---|
| Series | MIJ mini cylinder |
| Bore size | Ø40 mm |
| Stroke | 15 mm |
| Acting type | Double acting, double rod, adjustable stroke |
| Port size | 1/4" |
| Rod thread | M12×1.25 |
| 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 – 800 mm/s |
| Cushion | Fixed TPU bumper pads |
| Max standard stroke | Up to 500 mm |
Specifications follow the official AirTAC MI/MIC (ISO 6432) datasheet. Barrel & rod: stainless steel (round-body, riveted construction). Thread options: PT (blank) / G. Note: the Ø40 bore is a larger, non-ISO-6432 size.
| Pressure | Force (both ways) |
|---|---|
| 0.5 MPa | 528 N |
| 0.7 MPa | 739 N |
| Max (@1.0 MPa) | 108 kgf |
MIJ / MICJ are 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).
| MIJ | round-body mini cylinder (adjustable-stroke). |
|---|---|
| 40 | Bore size in mm. |
| ×15 | Stroke length in mm. |
| -10 | Adjustable stroke window (mm the extend stroke can be shortened on site). |
| -S | Optional built-in magnet for CMSG / DMSG / EMSG sensors. |
MI-family variants: MI / MIC (double acting ±cushion), MSI / MTI (single acting push / pull), MID / MICD (double rod ±cushion), MIJ / MICJ (double rod, adjustable stroke ±cushion). Back covers CA / U / R / CM. Mounting LB / FA / SDB / TC.
Sort heavy packages on a line by extending the rod 5 to 15 mm to push items into branching lanes, fine-tuning the travel distance on-site without changing hardware.
For lighter push requirements, stepping down to the MIJ32 bore yields 402.2 N at 0.5 MPa, whereas this 40 mm bore provides a robust 628.3 N. If your application demands even more force, there is no larger standard MIJ option available. The 10 mm adjustment window is ideal for taking up mechanical tolerances during setup or accommodating multiple stopping points in a changeover job using a single part number.
Position holding is not inherent to this cylinder; the piston will drift if air pressure is lost, as the fixed TPU bumper pads only decelerate the stroke end rather than locking the rod. For suspended or vertical loads, integrate an external rod lock or a pilot-operated check valve. Mounting options include LB foot, FA flange, and TC trunnion brackets (the SDB pivot block is excluded on this adjustable variant), operating at speeds of 30-800 mm/s.
Quick checklist
The theoretical maximum force is 128.1 kgf at 1.0 MPa.
An external stop screw shortens the extend stroke by up to 10 mm (yielding a 5-15 mm usable forward range), while retract remains full. The -S suffix indicates a built-in piston magnet for use with CMSG, DMSG, or EMSG sensors; the stainless steel build offers mild corrosion resistance.
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