Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC40X80SCATC
The AirTAC Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC40X80SCATC is a genuine double acting + cushion JIS-standard round-body mini air cylinder with a Ø40mm bore and 80mm stroke, 1/4" air ports and a SUS304 stainless-steel barrel for mildly corrosive environments. For the same bore and stroke it is shorter than an ISO 6432 cylinder, saving mounting space.
- BoreØ40 mm
- Stroke80 mm
- Port size1/4"
- Acting typeDouble acting + cushion
- Rod threadM14×1.5
- CushionVariable air cushion, both ends
About the Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC40X80SCATC
Delivering 628.3 N of push force at 0.5 MPa, this 40 mm bore double-acting mini cylinder tackles heavy loads while keeping a compact footprint. Because it is a JIS-standard round-body design with a SUS304 stainless barrel and riveted aluminium covers, the overall body is noticeably shorter than an ISO 6432 cylinder for the same 80 mm stroke. The integrated magnet (-S) allows direct mounting of CMSG, DMSG or EMSG switches for position detection.
A defining trait of the MFC series is the variable air cushion at both ends. By turning the cushion needle, you dial in the exact deceleration to absorb end-of-stroke shock at high cycling speeds, protecting the load and reducing noise. With a safe working load around 377 N, it can comfortably lift about 32 kg vertically with a 2:1 safety margin. The 1/4" port and M14x1.5 male rod thread provide robust pneumatic and mechanical interfaces for demanding setups.
Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC40X80SCATC Technical Specifications
| Model | Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC40X80SCATC |
|---|---|
| Series | MFC JIS mini cylinder |
| Bore size | Ø40 mm |
| Stroke | 80 mm |
| Acting type | Double acting + cushion |
| Port size | 1/4" |
| Rod thread | M14×1.5 |
| 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 MF/MFC (JIS-standard) datasheet. Barrel: SUS304 stainless steel; covers: aluminum alloy (round-body, riveted rolling-packed construction). Thread options: PT (blank) / G / NPT.
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 MFC Cushioned Stainless Steel Mini Cylinder MFC40X80SCATC
| MFC | JIS-standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 40 | Bore size in mm. |
| ×80 | Stroke length in mm. |
| -S | Optional built-in magnet for CMSG / DMSG / EMSG sensors. |
MF-family variants: MF / MFC (double acting ±cushion), MSF / MTF (single acting push / pull), MFD / MFCD (double rod ±cushion), MFJ / MFCJ (adjustable stroke ±cushion). Back covers CA / U / CM. Mounting LB / FA / SDB / TC.
Where the Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC40X80SCATC Is Used
Heavy Carton Diversion
Uses the 628.3 N push force at 0.5 MPa to positively deflect heavy cartons on a high-speed packaging line, with the variable air cushion preventing product damage at stroke end.
Vertical Press Assembly
Pushes a component into a fixture with 377 N of safe working load, relying on the needle-adjusted air cushion to softly land the 80 mm stroke without jarring the workstation.
Pallet Stop Gate
Acts as a robust stop for loaded pallets, using the SUS304 stainless barrel to resist washdown moisture while the TC trunnion mount handles the offset load stresses.
Is the Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC40X80SCATC the Right Cylinder?
When sizing this 40 mm bore actuator, compare it directly against the smaller MFC32, which provides 402.2 N of push force at 0.5 MPa. If your application requires less than 400 N, stepping down to the MFC32 saves space; however, if you need the full 628.3 N push or 527.8 N pull at 0.5 MPa, this 40 mm option is the largest available in the series. The adjustable air cushion is essential when operating at the top of the 30-800 mm/s speed range with heavy payloads, as it prevents harsh end-of-stroke impacts.
Remember that the air cushion only decelerates the piston near the stroke end and does not function as a brake. If the air supply drops or the valve is centred, the piston will drift, so install an external rod lock or pilot-operated check valve for suspended loads. This specific SKU includes a CA rear pivot cover and pairs with a TC trunnion mount, while the built-in magnet (-S) ensures compatibility with CMSG, DMSG and EMSG sensors.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT / G / NPT)
- ✓ Magnet (-S) for sensors?
- ✓ Back cover (CA/U/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/CM) & mount (LB/FA/SDB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC40X80SCATC FAQ
This 40 mm bore double-acting cylinder has a 1/4" port and an M14x1.5 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.
No, the variable air cushion only decelerates the piston near the end of the stroke and acts purely as a shock absorber, never as a lock or brake. If air pressure drops, the piston will drift, so you must use an external rod lock or pilot check valve to hold a suspended load safely.
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