
The AirTAC Airtac MIC Cushioned Mini Cylinder MIC32X70SU is a genuine double acting + cushion round-body mini air cylinder with a Ø32mm bore and 70mm stroke, 1/8" air ports and a stainless-steel barrel and rod for mildly corrosive environments.
Dial in end-of-stroke deceleration with the AirTAC MIC32X70SU, a 32mm bore round-body mini cylinder built for double-acting service. A variable air cushion at both ends absorbs high-speed kinetic energy, protecting your payload far better than a fixed rubber bumper. The stainless-steel barrel and piston rod supply mild corrosion resistance for washdown or humid settings. Driven by a 1/8 inch port, it pushes with 402.2N and pulls with 345.6N at 0.5MPa, peaking at an 82kgf theoretical maximum.
For sizing context, this unit handles a safe working load of roughly 241N, meaning it lifts about 20.5kg vertically with a 2:1 safety margin. The U-style rear cover provides a 90-degree mounting orientation for tight spatial constraints. Because the -S suffix denotes a built-in piston magnet, you can directly mount CMSG, DMSG, or EMSG electronic switches for position sensing.
| Model | Airtac MIC Cushioned Mini Cylinder MIC32X70SU |
|---|---|
| Series | MIC mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 70 mm |
| Acting type | Double acting + cushion |
| Port size | 1/8" |
| Rod thread | M10×1.25 |
| 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. Note: the Ø32 bore is a larger, non-ISO-6432 size.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | 484 N |
| Max (@1.0 MPa) | 82 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| MIC | round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 32 | Bore size in mm. |
| ×70 | 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.
Stops and diverts heavier cartons at 402.2N push force without slamming, using the adjustable cushions to soften end impacts.
Pushes a 20.5kg assembly tooling head downward, relying on the 32mm bore and needle damping to prevent harsh bottoming.
Acts as a robust pneumatic stop gate for pallets, with the stainless build resisting minor scuffs and ambient humidity.
When sizing around this 32mm bore, dropping down to the MIC25X50 drops the 0.5MPa push force to 245.3N, while stepping up to the MIC40X50 raises it to 628.3N. Choose this 70mm stroke model when cycling at high speeds where the adjustable needle cushions actively dampen shock and noise. Remember that the cushion only decelerates the piston near the end of travel; it does not lock the rod. If your application must hold a vertical load during an air loss event, install an external rod lock or a pilot-operated check valve. Mounting options include LB foot, FA flange, SDB pivot, and TC trunnion brackets.
Quick checklist
This 32mm bore cylinder uses a 1/8 inch port. At 0.5MPa it pushes with 402.2N and pulls with 345.6N. At 0.7MPa the push is 563N and pull is 483.8N. The theoretical maximum force is 82kgf at 1.0MPa.
Yes, the -S suffix means it has a built-in magnet 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. For load holding on air loss, use an external rod lock or pilot check valve.
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