
The AirTAC Airtac MIC Cushioned Mini Cylinder MIC20X20SCM is a genuine double acting + cushion round-body mini air cylinder with a Ø20mm bore and 20mm 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.
Dialing in end-of-stroke deceleration is effortless with the AirTAC MIC20X20SCM, a round-body stainless steel mini cylinder built for double-acting operation. A variable air cushion at both ends lets you needle-set the exhaust bleed to smoothly brake fast moving loads, drastically reducing impact noise compared to fixed bumper designs. The rugged riveted stainless barrel and Ø8 mm piston rod shrug off mild washdown and corrosion, while the built-in magnet enables precise position detection.
Generating 157 N of push force and 131.9 N of pull force at 0.5 MPa, this 20 mm bore unit fits neatly into ISO 6432 mini-cylinder mounting dimensions for straightforward bracket interchange. The CM round rear cover keeps ports neatly oriented, and the 1/8" port feeds air efficiently. For practical sizing, expect a safe working load around 94 N, meaning it lifts about 8 kg vertically with a 2:1 safety margin.
| Model | Airtac MIC Cushioned Mini Cylinder MIC20X20SCM |
|---|---|
| Series | MIC ISO 6432 mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 20 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. |
| ×20 | 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.
Uses the 157 N push force to snap small plastic parts out of a mold, relying on the adjustable cushion to silently decelerate the rapid 20 mm stroke.
Pushes lightweight cartons on a sorting line where the 8 kg vertical lift capacity and stainless build handle dusty, mildly humid environments.
Drives a small parallel gripper assembly in a tight space, using the built-in magnet to confirm grip status via a DMSG sensor.
When sizing this 20 mm bore actuator, compare it directly against its neighbors: step down to an MI bumper cylinder for lighter 100.5 N tasks, or step up to the Ø25 MIC if you need a stronger 245.3 N push at 0.5 MPa. The adjustable air cushion here is essential if your mechanism runs at high speeds or shifts heavy inertial loads, as it prevents harsh end-of-stroke slamming without relying on rubber bumpers.
Remember that the air cushion only decelerates the piston near the stroke end; it does not lock or hold the load. If a power loss or centered valve lets the piston drift, add an external rod lock or pilot check valve for true position holding. This SKU includes the -S magnet for CMSG, DMSG, or EMSG switches, and you can pair it with LB foot, FA flange, or TC trunnion mounts.
Quick checklist
This double-acting cylinder uses a 1/8" air port and an M8x1.25 male rod thread. It generates 157 N push and 131.9 N pull at 0.5 MPa, 219.8 N push and 184.7 N pull at 0.7 MPa, with a theoretical maximum of 32 kgf at 1.0 MPa.
No, the adjustable air cushion only decelerates the piston near the end of the stroke to reduce shock; it is not a brake. The piston will drift on air loss. For vertical loads, install an external rod lock or pilot-operated check valve.
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