
The AirTAC Airtac MIJ Adjustable Cylinder MIJ32X40-10S is a genuine double acting, adjustable stroke round-body mini air cylinder with a Ø32mm bore and 40mm stroke, 1/8" air ports and a stainless-steel barrel and rod for mildly corrosive environments.
Dial in a precise forward end position on-site with the AirTAC MIJ32X40-10S, a round-body stainless mini cylinder featuring a 10mm adjustable extend window. An external stop screw lets you shorten the forward stroke from its 40mm nominal length down to 30mm without changing the unit, while the retract stroke remains full. Built with a stainless-steel barrel and piston rod, it handles mild corrosion and washdown environments.
This double-acting actuator uses a 1/8" port and a Ø12mm rod with an M10x1.25 male thread. It generates 402.2 N of push force at 0.5 MPa, yielding a computed safe working load of roughly 241 N or a 2:1 margin vertical lift capacity of about 20.5 kg. The built-in magnet (-S) supports CMSG, DMSG, and EMSG sensors, and fixed TPU bumper pads decelerate the piston at the stroke ends.
| Model | Airtac MIJ Adjustable Cylinder MIJ32X40-10S |
|---|---|
| Series | MIJ mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 40 mm |
| Acting type | Double acting, adjustable stroke |
| Port size | 1/8" |
| Rod thread | M10×1.25 |
| 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 Ø32 bore is a larger, non-ISO-6432 size.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | 484 N |
| Max (@1.0 MPa) | 82 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| MIJ | round-body mini cylinder (adjustable-stroke). |
|---|---|
| 32 | Bore size in mm. |
| ×40 | 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 (adjustable stroke ±cushion). Back covers CA / U / R / CM. Mounting LB / FA / SDB / TC.
Fine-tune the 10mm extend stop to set precise insertion depths for bearing press fits, utilizing the 402.2 N push force without swapping actuators.
Adjust the forward stroke on the fly to push varying carton sizes onto secondary lines, relying on the stainless build for washdown compatibility.
Take up mechanical tolerances in a flap folding station by trimming the extend end position, ensuring consistent contact using the 241 N safe working load.
When sizing this 32mm bore, the smaller Ø25 MIJ yields 245.3 N push at 0.5 MPa, whereas the larger Ø40 MIJ provides 628.3 N, ensuring you have options if your force requirements shift. The 10mm external stop screw is ideal for taking up mechanical tolerances during setup or covering several slightly different forward stops with one part number. Remember that the stop screw sets the end position but does not lock the piston mid-stroke; because a standard cylinder drifts on air loss, use an external rod lock or pilot check valve for held loads. For mounting, you can use LB foot, FA flange, or TC trunnion brackets (the SDB pivot block is not available on this adjustable variant), and the -S magnet enables position sensing.
Quick checklist
This 32mm bore cylinder features a 1/8" port and generates 402.2 N push / 345.6 N pull at 0.5 MPa, and 563 N push / 483.8 N pull at 0.7 MPa. The theoretical maximum force is 82 kgf at 1.0 MPa.
An external stop screw shortens the extend stroke by up to 10mm (usable extend 30-40mm), while retract remains full. The -S denotes a built-in piston magnet for CMSG/DMSG/EMSG sensors. Fixed TPU bumpers decelerate the stroke end, but the screw is not a mid-stroke lock.
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