Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC40X175SCA
The AirTAC Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC40X175SCA is a genuine double acting + cushion JIS-standard round-body mini air cylinder with a Ø40mm bore and 175mm 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
- Stroke175 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 MFC40X175SCA
Delivering 628.3 N of push force at 0.5 MPa, this double-acting MFC40X175SCA round-body mini cylinder handles heavy-duty motion within a compact JIS-standard envelope. For the same 40 mm bore and 175 mm stroke, the riveted SUS304 stainless barrel and aluminium cover construction is notably shorter than an ISO 6432 cylinder, saving valuable machine space without sacrificing strength.
The defining feature is the variable air cushion at both ends; by turning a needle, you dial in the deceleration to absorb high-speed end-of-stroke shock, protecting the payload and reducing noise versus a simple bumper. This specific SKU includes a built-in piston magnet (-S) for CMSG, DMSG or EMSG switches, and features a CA rear pivot cover. With a 1/4" port and M14x1.5 male rod thread, it provides a safe working load of about 377 N, lifting roughly 32 kg vertically with a 2:1 margin.
Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC40X175SCA Technical Specifications
| Model | Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC40X175SCA |
|---|---|
| Series | MFC JIS mini cylinder |
| Bore size | Ø40 mm |
| Stroke | 175 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 MFC40X175SCA
| MFC | JIS-standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 40 | Bore size in mm. |
| ×175 | 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 MFC40X175SCA Is Used
Heavy Package Diversion
Swiftly routes heavy cartons on a packing line, using the adjustable air cushion to bring the 628.3 N push stroke to a smooth halt without jarring the products.
Press Ejection
Ejects dense stamped components at speed, relying on the needle-set deceleration to prevent impact damage to the tooling and the SUS304 barrel to resist shop-floor splashes.
Pallet Stopper Gate
Acts as a high-force stop gate for loaded pallets, absorbing the kinetic energy of the load via the dual-end variable cushion before reversing direction.
Is the Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC40X175SCA the Right Cylinder?
When sizing this 40 mm bore, step down to the MFC32 if your application only requires 402.2 N of push force at 0.5 MPa, as no larger MFC bore exists for loads exceeding the 628.3 N provided here. The adjustable needle cushion is essential when cycling at high speeds or moving heavy masses, allowing you to fine-tune the end-of-stroke deceleration. Keep in mind the cushion only slows the piston near the end of travel; it does not function as a lock or brake.
If the machine loses air pressure or the valve is centered, the piston will drift, so you must add an external rod lock or pilot-operated check valve to hold a suspended load safely. This model is equipped with the -S magnet for position sensing and uses a CA back cover, so pair it with compatible CMSG, DMSG or EMSG switches and ensure your mounting bracket matches the pivot style.
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 MFC40X175SCA FAQ
This 40 mm bore cylinder features 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, increasing to 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 stroke end and acts purely as a shock absorber, never as a brake. If air is lost, the piston will drift, so an external rod lock or pilot check valve is required to suspend a load safely. The built-in -S magnet allows CMSG, DMSG or EMSG sensors to track position.
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