
The AirTAC MIJ Adjustable Cylinder MIJ40X80-10S is a genuine double acting, double rod, adjustable stroke round-body mini air cylinder with a Ø40mm bore and 80mm stroke, 1/4" air ports and a stainless-steel barrel and rod for mildly corrosive environments.
Dial in your forward end position on-site with the AirTAC MIJ40X80-10S, a round-body stainless mini cylinder featuring a 10 mm extend-stroke adjustment window. Because the external stop screw trims only the forward stroke, you can fine-tune the 80 mm extend travel down to 70 mm without swapping parts. The stainless-steel barrel and piston rod resist mild corrosion and washdown environments.
The 1/4" air port and M12x1.25 male rod thread handle robust air flows and mounting loads. It uses fixed TPU bumper pads to decelerate the stroke end.
| Model | Airtac MIJ Adjustable Cylinder MIJ40X80-10S |
|---|---|
| Series | MIJ mini cylinder |
| Bore size | Ø40 mm |
| Stroke | 80 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. |
| ×80 | 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.
Position heavy package routing gates on a conveyor.
Fold heavy corrugated carton flaps during case packing. The stainless build survives dusty washdown zones, and the adjustable forward stop lets you switch carton sizes without changing cylinders.
Drive a light assembly press downward.
If you need even more power, note that Ø40 is the largest available bore in this series. The 10 mm external stop screw is ideal for taking up mechanical tolerances or matching multiple stop points across a machine using a single part number.
Remember that the stop screw sets the end position but is not a mid-stroke lock; the piston will drift if air pressure is lost, so add an external rod lock or pilot check valve for holding vertical loads. You can mount this unit using LB foot, FA flange, or TC trunnion brackets (SDB pivot-block is not available). The built-in -S magnet allows direct mounting of CMSG, DMSG, or EMSG sensors.
Quick checklist
The theoretical maximum force is 128.1 kgf at 1.0 MPa. It uses a 1/4" air port and a Ø16 mm rod with an M12x1.25 male thread.
The external stop screw shortens the extend stroke by up to 10 mm on-site, allowing you to set the forward end position between 70 and 80 mm; the retract stroke remains full. The -S suffix indicates a built-in piston magnet, enabling the use of CMSG, DMSG, or EMSG reed or electronic switches. Fixed TPU bumpers decelerate the stroke ends.
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