
The AirTAC Airtac MIC Cushioned Mini Cylinder MIC20X350CM is a genuine double acting + cushion round-body mini air cylinder with a Ø20mm bore and 350mm 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, the AirTAC MIC20X350CM is a double-acting, round-body stainless-steel mini cylinder built for a 350 mm stroke. Its stainless barrel and rod resist mild corrosion and washdown environments. The defining feature over a standard bumper cylinder is the adjustable air cushion at both ends; a needle valve lets you tune the deceleration to absorb end-of-stroke shock at high speeds, protecting the load and cutting noise. This 20 mm bore version uses a 1/8" port and an M8x1.25 male rod thread.
For practical sizing, the safe working load is about 94 N, which means it lifts roughly 8 kg vertically with a 2:1 safety margin. The rear CM round cover provides specific mounting and port orientation for tight spaces. Because this specific SKU lacks the -S magnet option, it cannot accept CMSG, DMSG, or EMSG position sensors. Remember that the air cushion only decelerates the piston near the stroke end; it does not act as a brake, so the rod will drift if air pressure is lost.
| Model | Airtac MIC Cushioned Mini Cylinder MIC20X350CM |
|---|---|
| Series | MIC ISO 6432 mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 350 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. |
| ×350 | 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.
Uses the 157 N push force to deflect light cartons on a high-speed line, relying on the adjustable cushion to stop the 350 mm stroke smoothly without slamming.
Raises an 8 kg access panel with a 2:1 safety margin, where the stainless construction handles mildly humid ambient air and the cushions prevent jarring stops.
Pushes delicate plastic components out of a mold area, using the tuned needle valves to decelerate the rod gently before it reaches the end of travel.
When sizing this 157 N (0.5 MPa push) unit, stepping down to the MIC16 lowers the force to 100.5 N, while stepping up to the MIC25 raises it to 245.3 N. Choose this 20 mm bore when moving moderate loads at high speeds where the adjustable dual-end air cushions are necessary to prevent impact damage. The 350 mm stroke falls within the 500 mm standard limit for this bore.
If your application requires the piston to hold its position during a loss of air pressure, this cylinder will drift; you must add an external rod lock or a pilot-operated check valve. Mounting options include LB foot, FA flange, SDB pivot, and TC trunnion brackets. Since this is a non-magnet SKU, order an -S variant if you need magnetic position sensing.
Quick checklist
This 20 mm bore cylinder features a 1/8" port and an 8 mm 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 force of 32 kgf at 1.0 MPa.
This specific SKU lacks a magnet, so it cannot accept CMSG, DMSG, or EMSG sensors; you need the -S variant for sensing. The adjustable air cushion only decelerates the piston near stroke end to reduce shock, it does not lock or hold the load on air loss.
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