
The AirTAC Airtac MIC Cushioned Mini Cylinder MIC20X150SCM is a genuine double acting + cushion round-body mini air cylinder with a Ø20mm bore and 150mm stroke, 1/8" air ports and a stainless-steel barrel and rod for mildly corrosive environments. Its ISO 6432 mounting interface makes it a compact drop-in for standard mini-cylinder fixtures.
Tame high-speed end-of-stroke impacts with the AirTAC MIC20X150SCM, a 20 mm bore double-acting mini cylinder built around a needle-adjustable air cushion at both ends. Instead of a fixed bumper, you dial in the exact deceleration to protect your payload and cut noise. The riveted stainless-steel round barrel and Ø8 mm rod shrug off mild washdown and corrosion, while the rear CM round cover keeps port orientation clean for tight assemblies.
This ISO 6432 mounting-compliant actuator pushes with 157 N and pulls with 131.9 N at 0.5 MPa, peaking at a theoretical 32 kgf at 1.0 MPa. For practical sizing, expect a safe working load around 94 N, or roughly 8 kg of vertical lift with a 2:1 safety margin. The 1/8" port feeds a 30-800 mm/s speed range, and because this SKU carries the -S magnet, it is fully wired for CMSG, DMSG or EMSG position switches.
| Model | Airtac MIC Cushioned Mini Cylinder MIC20X150SCM |
|---|---|
| Series | MIC ISO 6432 mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 150 mm |
| Acting type | Double acting + cushion |
| Port size | 1/8" |
| Rod thread | M8×1.25 |
| 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.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 157 N | 132 N |
| 0.7 MPa | 220 N | 185 N |
| Max (@1.0 MPa) | 32 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| MIC | ISO 6432 round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 20 | Bore size in mm. |
| ×150 | Stroke length in mm. |
| -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.
Snaps small crates off a belt at speed; the adjustable air cushion absorbs the 150 mm stroke impact so the 157 N push does not slam the diverter arm.
Drives a cardboard tucker blade on a packing line where the stainless build resists adhesive dust and the needle cushion prevents tearing the board.
Presses a lightweight bearing into a housing; the 8 kg vertical lift capacity handles the insert while the cushion eases the final seating force.
If you are stepping up force, the Ø25 bore pushes 245 N at 0.5 MPa; dropping down to the Ø16 bore drops output to 100.5 N. The Ø20 hits a useful middle ground at 157 N push. Dial the cushion needle in when you are cycling at the top of the 30-800 mm/s range or moving a heavy load, as the cushion only decelerates near the stroke end. It will not hold position on air loss, so clamp a pilot check valve or external rod lock onto the M8x1.25 rod thread if you need true drop prevention.
With a 150 mm stroke under the 500 mm standard limit, this unit drops straight into standard LB foot, FA flange, SDB pivot or TC trunnion hardware. The CM rear cover suits compact rear mounting, and the internal -S magnet gives you immediate feedback capability without external rigging.
Quick checklist
This 20 mm bore cylinder has a 1/8" port and an M8x1.25 male rod thread. At 0.5 MPa it pushes 157 N and pulls 131.9 N; at 0.7 MPa it pushes 219.8 N and pulls 184.7 N. The theoretical maximum force is 32 kgf at 1.0 MPa.
Yes, the -S suffix means it has a built-in piston magnet ready for CMSG, DMSG or EMSG switches. The adjustable air cushion only decelerates the piston near stroke end to reduce shock; it is not a brake and will not hold the load on air loss.
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