Airtac MIC Cushioned Mini Cylinder MIC40X30SU
The AirTAC Airtac MIC Cushioned Mini Cylinder MIC40X30SU is a genuine double acting + cushion round-body mini air cylinder with a Ø40mm bore and 30mm stroke, 1/4" air ports and a stainless-steel barrel and rod for mildly corrosive environments.
- BoreØ40 mm
- Stroke30 mm
- Port size1/4"
- Acting typeDouble acting + cushion
- Rod threadM12×1.25
- CushionVariable air cushion, both ends
About the Airtac MIC Cushioned Mini Cylinder MIC40X30SU
Delivering 628.3 N of push force at 0.5 MPa, the AirTAC MIC40X30SU is a robust double-acting round-body mini cylinder built for heavy-duty compact automation. A variable air cushion at both ends allows you to dial in the deceleration via a needle valve, effectively absorbing high-speed end-of-stroke shock to protect your machinery and reduce noise. The stainless-steel barrel and Ø16 mm piston rod provide mild corrosion and washdown resistance, while the U-style 90-degree rear cover offers flexible port and mounting orientation.
This 40 mm bore unit features a 1/4" air port and an M12x1.25 male rod thread. Because it includes the -S magnet, it is fully compatible with CMSG, DMSG, and EMSG reed or electronic sensors for precise position detection. For practical sizing, expect a safe working load around 377 N, meaning it lifts about 32 kg vertically with a 2:1 safety margin.
Airtac MIC Cushioned Mini Cylinder MIC40X30SU Technical Specifications
| Model | Airtac MIC Cushioned Mini Cylinder MIC40X30SU |
|---|---|
| Series | MIC mini cylinder |
| Bore size | Ø40 mm |
| Stroke | 30 mm |
| Acting type | Double acting + cushion |
| Port size | 1/4" |
| Rod thread | M12×1.25 |
| 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 Ø40 bore is a larger, non-ISO-6432 size.
Theoretical Output Force (Ø40mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 628 N | 528 N |
| 0.7 MPa | 880 N | 739 N |
| Max (@1.0 MPa) | 128 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac MIC Cushioned Mini Cylinder MIC40X30SU
| MIC | round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 40 | Bore size in mm. |
| ×30 | 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.
Where the Airtac MIC Cushioned Mini Cylinder MIC40X30SU Is Used
Heavy Carton Diversion
Uses the 628.3 N push force at 0.5 MPa to positively deflect heavy packed cartons on a high-speed sorting line without stalling.
Parts Ejection Press
Leverages the adjustable air cushion to softly decelerate the 32 kg ejection load at the end of a rapid 30 mm stroke, protecting the tooling.
Vertical Flap Folding
Relies on the stainless steel construction and U 90-degree cover to withstand washdown while folding heavy packaging flaps.
Is the Airtac MIC Cushioned Mini Cylinder MIC40X30SU the Right Cylinder?
When sizing this 40 mm bore model against the rest of the MIC family, stepping down to the Ø32 bore drops the 0.5 MPa push force to 402.2 N, while the Ø40 is the largest available bore in this series with no larger option. The adjustable air cushion is essential here if you are moving heavier loads at high speeds up to 800 mm/s, as it prevents harsh impacts that would otherwise damage the load. Note that the cushion only decelerates the piston near the stroke end; it does not function as a lock or brake.
Because a standard double-acting cylinder drifts when air pressure is lost or a valve is centered, you must add an external rod lock or pilot-operated check valve if the application requires holding a load in place. Alongside the U-style back cover, you can utilize LB foot, FA flange, SDB pivot, or TC trunnion mounts to fit your frame. The included -S magnet ensures seamless integration with CMSG, DMSG, and EMSG switches for end-of-stroke confirmation.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT / G)
- ✓ Magnet (-S) for sensors?
- ✓ Back cover (CA/U/R/CM) & mount (LB/FA/SDB/TC)
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Do not dismantle the riveted front/back covers.
- check Use correct back cover (CA/U/R/CM) & mount (LB/FA/SDB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac MIC Cushioned Mini Cylinder MIC40X30SU FAQ
This 40 mm bore cylinder features a 1/4" port and an M12x1.25 male rod thread. It generates 628.3 N push and 527.8 N pull at 0.5 MPa, 879.6 N push and 738.9 N pull at 0.7 MPa, with a theoretical maximum force of 128.1 kgf at 1.0 MPa.
The -S suffix indicates a built-in magnet for CMSG, DMSG, and EMSG sensors. The adjustable air cushion only decelerates the piston near the stroke end and does not act as a brake; for vertical load holding, you must install an external rod lock or pilot check valve.
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models usually ship in 3-4 days.
Fast Reply
Most inquiries answered within 7-8 hours.
Request a Quote for Airtac MIC Cushioned Mini Cylinder MIC40X30SU
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.