
The AirTAC Airtac MIC Cushioned Mini Cylinder MIC20X225CA is a genuine double acting + cushion round-body mini air cylinder with a Ø20mm bore and 225mm 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.
Built for high-speed actuation, this double-acting stainless steel round-body mini cylinder uses an adjustable air cushion at both ends to decelerate the load smoothly. The Ø20 mm bore generates 157 N of push force at 0.5 MPa, while the 225 mm stroke operates within the 500 mm standard limit. A needle valve lets you dial in the end-of-stroke damping, cutting shock and noise versus a fixed bumper. The stainless barrel and rod resist mild corrosion and washdown environments.
With a 1/8" port and an M8x1.25 male rod thread, it drops into standard ISO 6432 mini-cylinder mounting interfaces. This specific SKU lacks the -S magnet, so it cannot accept CMSG, DMSG, or EMSG sensors. For vertical moves, the 157 N push force at 0.5 MPa lifts about 8 kg with a 2:1 safety margin. The CA rear cover provides a pivot clevis for articulated rod-end loads.
| Model | Airtac MIC Cushioned Mini Cylinder MIC20X225CA |
|---|---|
| Series | MIC ISO 6432 mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 225 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. |
| ×225 | 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.
Pushes lightweight cartons at 800 mm/s onto a side lane, relying on the adjustable air cushion to stop the 225 mm stroke without slamming the end cap.
Cycles a sealing jaw up and down continuously; the needle-set damping absorbs the 157 N push impact at 0.5 MPa to protect the packaging film.
Ejects molded parts from a fixture using the CA pivot clevis to accommodate the angular rod movement during the ejection arc.
If 157 N push at 0.5 MPa is too much, the smaller Ø16 bore provides 100.5 N but ships as an MI bumper type without adjustable cushions. If you need more power, stepping up to the Ø25 bore yields 245.3 N. Choose this Ø20 bore when moving moderate masses at high speeds where the needle-set air cushion prevents end-of-stroke banging. The 225 mm stroke is standard and well under the 500 mm maximum.
Because this is a non-magnet SKU, position sensing is impossible without switching to an -S variant. The air cushion only decelerates the piston near the stroke end; it does not lock or hold the load. If power drops, the piston drifts, so fit an external rod lock or pilot check valve for suspended loads. Mount it via the CA clevis, or use LB foot, FA flange, SDB pivot, or TC trunnion brackets.
Quick checklist
This double-acting cylinder has a 20 mm bore and a 225 mm stroke. It pushes with 157 N and pulls with 131.9 N at 0.5 MPa. At 0.7 MPa, push is 219.8 N and pull is 184.7 N. The theoretical maximum force is 32 kgf at 1.0 MPa. The air port is 1/8" and the male rod thread is M8x1.25.
No, this specific SKU does not include the -S magnet, meaning it cannot accept CMSG, DMSG, or EMSG switches. You would need the -S variant for sensing. It features a stainless steel build for mild corrosion resistance and an adjustable air cushion at both ends to decelerate high-speed loads.
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