
The AirTAC Airtac MIC Cushioned Mini Cylinder MIC20X75SU is a genuine double acting + cushion round-body mini air cylinder with a Ø20mm bore and 75mm 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.
Dial in end-of-stroke deceleration with the AirTAC MIC20X75SU, a 20 mm bore double-acting mini cylinder built around a stainless steel round barrel and rod. Instead of a fixed bumper, it uses a variable air cushion at both ends: you set the needle to absorb high-speed shock, protecting the payload and dropping noise. The U-type back cover provides a 90-degree port and mounting orientation, while the 1/8" port feeds the 8 mm piston rod.
At 0.5 MPa this bore pushes 157 N and pulls 131.9 N, peaking at a theoretical 32 kgf at 1.0 MPa. That translates to a safe working load of roughly 94 N, or about 8 kg of vertical lift with a 2:1 safety margin. Because this is an ISO 6432 mounting interface size, it drops cleanly into standard mini-cylinder brackets. The -S suffix means a piston magnet is present, ready for CMSG, DMSG or EMSG switches.
| Model | Airtac MIC Cushioned Mini Cylinder MIC20X75SU |
|---|---|
| Series | MIC ISO 6432 mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 75 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. |
| ×75 | 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 cartons off a main belt at speed; the adjustable cushion softens the 75 mm stroke stop to protect lightweight packaging.
Kicks machined components out of a fixture; the 157 N push clears the part while the stainless rod shrugs off cutting fluid mist.
Raises an 8 kg tote to a lower conveyor tier; the needle-set end cushion prevents the load from slamming at the top of travel.
If 157 N of push at 0.5 MPa is too much, dropping to the MIC16 cuts force to 100.5 N; stepping up to the MIC25 raises it to 245.3 N. The adjustable cushion matters most when you are cycling near the 800 mm/s limit or moving a heavy load, where smoothing the stop prevents damage. Remember the cushion only decelerates the stroke end—it is not a brake. If the rod must hold position on air loss, fit an external rod lock or pilot check valve. Match your mounting using LB foot, FA flange, TC trunnion or the U back cover, and use CMSG/DMSG/EMSG sensors since the -S magnet is included.
Quick checklist
This 20 mm bore cylinder has a 1/8" port and an 8 mm rod. It pushes 157 N and pulls 131.9 N at 0.5 MPa. 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 a magnet is built in for CMSG, DMSG or EMSG switches. The variable air cushion at both ends only decelerates the load near stroke end to reduce shock; it does not lock or hold the rod. For position holding on air loss, use an external rod lock.
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