Airtac MIC Cushioned Mini Cylinder MIC40X250SCM
The AirTAC Airtac MIC Cushioned Mini Cylinder MIC40X250SCM is a genuine double acting + cushion round-body mini air cylinder with a Ø40mm bore and 250mm stroke, 1/4" air ports and a stainless-steel barrel and rod for mildly corrosive environments.
- BoreØ40 mm
- Stroke250 mm
- Port size1/4"
- Acting typeDouble acting + cushion
- Rod threadM12×1.25
- CushionVariable air cushion, both ends
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac MIC Cushioned Mini Cylinder MIC40X250SCM
Delivering 628.3 N of push force at 0.5 MPa, the AirTAC MIC40X250SCM is a robust round-body mini cylinder built for demanding automation. This double-acting actuator features a stainless-steel barrel and piston rod, offering reliable mild corrosion and washdown resistance without relying on a tie-rod or profile design. Because this is a 40 mm bore, it operates as a non-ISO-6432 unit, yet retains a highly compact footprint for its power class. The CM round rear cover provides a clean, versatile mounting interface.
The defining feature of this variant is the adjustable air cushion at both ends. By turning a needle valve, you tune the end-of-stroke deceleration to absorb high-speed kinetic energy, protecting the load and reducing noise far better than a fixed rubber bumper. In practical terms, it provides a safe working load of roughly 377 N, meaning it can lift about 32 kg vertically with a 2:1 safety margin. It includes a built-in piston magnet (-S) for CMSG, DMSG, or EMSG position switches, and uses a 1/4" port.
Airtac MIC Cushioned Mini Cylinder MIC40X250SCM Technical Specifications
| Model | Airtac MIC Cushioned Mini Cylinder MIC40X250SCM |
|---|---|
| Series | MIC mini cylinder |
| Bore size | Ø40 mm |
| Stroke | 250 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 MIC40X250SCM
| MIC | round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 40 | Bore size in mm. |
| ×250 | 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 MIC40X250SCM Is Used
Heavy Package Diversion
Uses the 628.3 N push force to positively redirect heavy cartons on a high-speed sorting line, relying on the tuned air cushion to stop the 250 mm stroke smoothly without slamming.
Vertical Material Lowering
Safely lowers 30 kg fixtures down a 250 mm path, taking advantage of the roughly 32 kg vertical lift capacity and the adjustable end-cushioning to prevent sudden drops at the bottom.
Pallet Case Packing
Drives a folding mechanism to pack dense product cases into pallets, where the stainless build resists washdown chemicals and the 1/4" port delivers the volume needed for rapid cycling.
Is the Airtac MIC Cushioned Mini Cylinder MIC40X250SCM the Right Cylinder?
When sizing this 40 mm bore actuator, compare it directly against the adjacent bores in the range. Stepping down to the MIC32 drops the 0.5 MPa push force to 402.2 N, which may be insufficient for heavier payloads, while there is no larger standard MIC bore available. The 250 mm stroke sits well within the 500 mm maximum standard limit, making it a standard, easily sourced configuration. The adjustable air cushion is most valuable when operating at high speeds or moving heavy masses, where impact at the stroke ends would otherwise cause damage.
Remember that the air cushion only decelerates the piston near the end of its travel; it does not function as a brake or lock. If your application must hold a vertical load during a loss of air pressure or when a valve is centered, the piston will drift, and you must add an external rod lock or a pilot-operated check valve. For position feedback, ensure you pair this -S magnet version with CMSG, DMSG, or EMSG sensors, and utilize LB foot, FA flange, SDB pivot, or TC trunnion mounts to suit your frame.
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 MIC40X250SCM FAQ
This 40 mm bore double-acting cylinder uses a 1/4" port and a 16 mm piston rod. 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 adjustable air cushion only decelerates the piston near the stroke end and does not lock or hold the load; you need an external rod lock or pilot check valve to prevent drifting on air loss. Because this is an -S model, it contains a magnet ready for CMSG, DMSG, or EMSG switches.
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models are processed and dispatched in 3-5 business days.
Fast Reply
Most inquiries answered within 7-8 hours.
Request a Quote for Airtac MIC Cushioned Mini Cylinder MIC40X250SCM
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