
The AirTAC Airtac MIC Cushioned Mini Cylinder MIC32X85SU is a genuine double acting + cushion round-body mini air cylinder with a Ø32mm bore and 85mm stroke, 1/8" air ports and a stainless-steel barrel and rod for mildly corrosive environments.
Delivering 402.2 N of push force at 0.5 MPa, the AirTAC MIC32X85SU is a robust round-body mini cylinder built for double-acting operation. A needle-set variable air cushion at both ends absorbs high-speed end-of-stroke shock, protecting your payload while significantly reducing noise compared to fixed bumper designs. Its stainless-steel barrel and piston rod provide reliable resistance to mild corrosion and washdown environments.
This Ø32 mm unit features a 1/8" port and an M10x1.25 male rod thread. Because it carries the -S suffix, it includes a built-in piston magnet for position sensing with CMSG, DMSG, or EMSG switches. For sizing context, its safe working load is roughly 241 N, meaning it can vertically lift about 20.5 kg with a 2:1 safety margin. The U-style back cover provides a 90-degree mounting orientation for tight spatial constraints.
| Model | Airtac MIC Cushioned Mini Cylinder MIC32X85SU |
|---|---|
| Series | MIC mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 85 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. |
| ×85 | 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.
Cushions the rapid 402.2 N stroke used to push heavy cartons across a transfer belt without slamming the end caps.
Lifts and folds heavy packaging flaps with a safe working load of 241 N, relying on the needle valve to prevent jarring stops.
Handles the robust 563 N push force at 0.7 MPa needed to index heavy components into pallet slots at high speed.
When sizing this 85 mm stroke unit, note that stepping down to the MIC25 bore drops the 0.5 MPa push force to 245.3 N, while stepping up to the MIC40 bore increases it to 628.3 N. The adjustable air cushion is essential here if you are moving heavier masses at high cycle speeds, as it prevents harsh impact at the stroke ends. Keep in mind the cushion only decelerates the piston; it does not act as a brake. To prevent drift on air loss, you must add an external rod lock or pilot-operated check valve.
Mounting flexibility is provided through LB foot, FA flange, SDB pivot, and TC trunnion brackets. The integrated magnet (-S) enables direct sensor mounting, whereas non-S SKUs cannot accept switches. This U back cover configuration rotates the rear port 90 degrees, which helps route tubing cleanly in confined machinery layouts.
Quick checklist
This double-acting cylinder uses a 1/8" port. It generates 402.2 N push and 345.6 N pull at 0.5 MPa, 563 N push and 483.8 N pull at 0.7 MPa, with a theoretical maximum force of 82 kgf at 1.0 MPa.
No, the adjustable air cushion only decelerates the piston near the stroke end and does not lock the rod. To hold a vertical load securely, you must install an external rod lock or a pilot-operated check valve.
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