
The AirTAC MICJ Adjustable Mini Cylinder MICJ40X350-100S is a genuine double acting, double rod, adjustable stroke + cushion round-body mini air cylinder with a Ø40mm bore and 350mm stroke, 1/4" air ports and a stainless-steel barrel and rod for mildly corrosive environments.
Dial in a precise forward stop on-site with the AirTAC MICJ40X350-100S, a round-body stainless steel mini cylinder that shortens the extend stroke by up to 100 mm via an external screw. The usable extend range becomes 250-350 mm, letting you set the exact end position without swapping hardware. A needle-set adjustable air cushion at both ends soaks up high-speed shock, while the stainless barrel and rod resist mild corrosion and washdown environments.
It features a 1/4" port, an M12x1.25 male rod thread, and a built-in magnet (-S) for CMSG, DMSG or EMSG sensors. Note that Ø40 is a non-ISO-6432 size, and the stop screw only sets the end position—it is not a mid-stroke lock.
| Model | Airtac MICJ Adjustable Mini Cylinder MICJ40X350-100S |
|---|---|
| Series | MICJ mini cylinder |
| Bore size | Ø40 mm |
| Stroke | 350 mm |
| Acting type | Double acting, double rod, adjustable stroke + cushion |
| 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 | Variable air cushion, both ends |
| 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).
| MICJ | round-body mini cylinder (adjustable-stroke, variable cushion). |
|---|---|
| 40 | Bore size in mm. |
| ×350 | Stroke length in mm. |
| -100 | 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.
Acts as a settable pusher for varying pallet depths, trimming the extend end by up to 100 mm on-site while the stainless build handles humid dock environments.
This model shines in fast set-position moves where the 100 mm extend trim and dual air cushions prevent harsh impacts. For mounting, choose LB foot, FA flange or TC trunnion, plus CA, U, R or CM back covers (SDB pivot-block is not available on this adjustable variant).
The -S magnet enables CMSG, DMSG and EMSG position sensing. Remember that a standard cylinder does not hold its load on air loss; the piston drifts, and the cushion only decelerates near the stroke end. For a held load, install an external rod lock or pilot-operated check valve.
Quick checklist
This double-acting Ø40 cylinder uses a 1/4" port. At 0.5 MPa it pushes with 628.3 N and pulls with 527.8 N. At 0.7 MPa it pushes with 879.6 N and pulls with 738.9 N. The theoretical maximum force is 128.1 kgf at 1.0 MPa.
An external screw shortens the extend stroke by up to 100 mm (usable extend 250-350 mm), while a needle valve adjusts the air cushion at both ends to decelerate high-speed impacts. The -S suffix means it has a magnet for CMSG, DMSG or EMSG sensors. The stop screw is not a mid-stroke lock; the piston drifts on air loss, so use an external rod lock for holding.
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