
The AirTAC Airtac MICJ Adjustable Mini Cylinder MICJ32X160-40S is a genuine double acting, adjustable stroke + cushion round-body mini air cylinder with a Ø32mm bore and 160mm stroke, 1/8" air ports and a stainless-steel barrel and rod for mildly corrosive environments.
Trimming the forward stop by up to 40 mm on-site, the AirTAC MICJ32X160-40S lets you dial in the extend position from 120 to 160 mm without swapping hardware. This double-acting round-body mini cylinder pairs that external stop screw with a needle-adjustable air cushion at both ends, soaking up high-speed shock right at the stroke limits.
Built with a stainless-steel barrel and rod for mild washdown resistance, the Ø32 bore delivers 402.2 N of push force at 0.5 MPa. That translates to a safe working load of about 241 N, or roughly 20.5 kg of vertical lift with a 2:1 safety margin. It uses a 1/8" port and includes a built-in piston magnet (-S) for direct CMSG, DMSG, or EMSG sensor mounting.
| Model | Airtac MICJ Adjustable Mini Cylinder MICJ32X160-40S |
|---|---|
| Series | MICJ mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 160 mm |
| Acting type | Double acting, adjustable stroke + cushion |
| 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 | 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 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.
| MICJ | round-body mini cylinder (adjustable-stroke, variable cushion). |
|---|---|
| 32 | Bore size in mm. |
| ×160 | Stroke length in mm. |
| -40 | 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.
Dialing the extend stroke down by 40 mm sets the exact contact point for pressing bearings, using the 402.2 N push force and end cushions to absorb the impact of fast cycling.
Tuning the forward stop on the fly lets a diverting gate handle different carton sizes on the line, while the needle cushion prevents hard slams at high speed.
Lifting loads up to 20.5 kg vertically, the stop screw securely sets intermediate gate heights without needing full stroke extension, ensuring smooth deceleration at the top.
When sizing this 32 mm bore, dropping down to the Ø25 MICJ drops the 0.5 MPa push force to 245.3 N, while stepping up to the Ø40 MICJ raises it to 628.3 N. Choose this model when you need those 400+ Newtons of push combined with a dialed-in extend stop and cushion control for fast, settable-position moves. Note that SDB pivot-block mounting is not offered on this adjustable variant; use LB, FA, or TC mounts instead.
Keep in mind the air cushion only decelerates the piston near the end of travel and the stop screw simply sets that final forward position. The cylinder will drift and cannot hold a load on air loss, so add an external rod lock or pilot-operated check valve if you need to maintain vertical position.
Quick checklist
This double-acting cylinder uses a 1/8" air port and generates 402.2 N push and 345.6 N pull at 0.5 MPa. At 0.7 MPa it provides 563 N push and 483.8 N pull. The theoretical maximum force is 82 kgf at 1.0 MPa.
An external screw shortens the extend stroke by up to 40 mm, giving a usable forward range of 120-160 mm, while retract remains full stroke. Needle valves adjust the air cushion at both ends to absorb high-speed shock. The -S suffix means it has a built-in magnet for CMSG, DMSG, or EMSG sensors.
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