
The AirTAC Airtac MIC Cushioned Mini Cylinder MIC20X15U is a genuine double acting + cushion round-body mini air cylinder with a Ø20mm bore and 15mm 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.
Delivering 157 N of push force at 0.5 MPa, this double-acting stainless steel round-body mini cylinder handles short 15 mm strokes with precision. A needle-set variable air cushion at both ends absorbs high-speed end-of-travel shock, protecting your payload far better than a fixed bumper. The stainless barrel and rod shrug off mild corrosion, while the rear U-style cover provides a 90-degree port and mounting orientation. This specific SKU lacks the internal magnet, meaning it cannot accept CMSG, DMSG, or EMSG position switches; you must select an -S variant for sensing.
In practical terms, the bore yields a safe working load of roughly 94 N, lifting about 8 kg vertically with a 2:1 safety margin. It uses a 1/8" port and an M8x1.25 male rod thread. Because it conforms to the ISO 6432 mounting interface for Ø16-Ø25 bores, it drops directly into standard mini-cylinder brackets and clevises without compatibility headaches.
| Model | Airtac MIC Cushioned Mini Cylinder MIC20X15U |
|---|---|
| Series | MIC ISO 6432 mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 15 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. |
| ×15 | 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.
Pops small parts out of a machining fixture over 15 mm, relying on the dual adjustable air cushions to silently absorb the rapid reversal.
Pushes light cardboard flaps at high speed during carton sealing, using the 157 N push force and stainless build to withstand dusty washdown environments.
Seats delicate electronic connectors with a 94 N safe working load, using the U-style rear cover for tight 90-degree machinery layouts.
When sizing this actuator, compare it to adjacent bores: stepping down to an MI16 bumper version drops the 0.5 MPa push force to 100.5 N, while stepping up to a MIC25 raises it to 245.3 N. Choose this Ø20 bore when your load sits in that 94 N safe-working range and you need the variable cushion to tame high-velocity impacts across the 15 mm travel. The cushion only decelerates the piston near the stroke end; it is not a brake. If your application must hold position during air loss, add an external rod lock or pilot check valve, because the piston will drift. Mounting options include LB foot, FA flange, SDB pivot, and TC trunnion, but remember this non-S version cannot support magnetic sensors.
Quick checklist
This double-acting cylinder uses a 1/8" port and an 8 mm piston rod. 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, this specific SKU does not include the internal magnet, so CMSG, DMSG, or EMSG switches will not function. You must order the -S variant to enable sensing. The cylinder still features adjustable air cushions at both ends and a stainless steel build for mild corrosion resistance.
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