Airtac MFCD Double Rod Cushioned Mini Cylinder MFCD40X100S
The AirTAC Airtac MFCD Double Rod Cushioned Mini Cylinder MFCD40X100S is a genuine double acting, double rod + cushion JIS-standard round-body mini air cylinder with a Ø40mm bore and 100mm 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
- Stroke100 mm
- Port size1/4"
- Acting typeDouble acting, double rod + cushion
- Rod threadM14×1.5
- CushionVariable air cushion, both ends
About the Airtac MFCD Double Rod Cushioned Mini Cylinder MFCD40X100S
Twin rods and a needle-set air cushion at each end define this JIS-standard round-body mini cylinder, built to deliver equal 527.8 N force in both directions at 0.5 MPa. The SUS304 stainless barrel and riveted aluminium covers form a compact riveted body that is physically shorter than an ISO 6432 unit of the same bore and stroke, saving valuable machine space while resisting mild washdown corrosion. A rod exits both covers, steadying the load against rotation and providing a second mounting point for stoppers or tooling.
Because the -S suffix denotes a built-in piston magnet, this SKU is ready for CMSG, DMSG or EMSG position switches. Operating at speeds of 30-800 mm/s via its 1/4" port, the variable cushion absorbs end-of-stroke shock without acting as a lock. For vertical lifts, expect a safe working capacity of about 26.9 kg each way with a 2:1 margin.
Airtac MFCD Double Rod Cushioned Mini Cylinder MFCD40X100S Technical Specifications
| Model | Airtac MFCD Double Rod Cushioned Mini Cylinder MFCD40X100S |
|---|---|
| Series | MFCD JIS mini cylinder |
| Bore size | Ø40 mm |
| Stroke | 100 mm |
| Acting type | Double acting, double rod + 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 300 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 | Force (both ways) |
|---|---|
| 0.5 MPa | 528 N |
| 0.7 MPa | 739 N |
| Max (@1.0 MPa) | 108 kgf |
Double-rod: a rod exits both covers, so output force is equal in both directions (rod-side area used).
Model Code: Airtac MFCD Double Rod Cushioned Mini Cylinder MFCD40X100S
| MFCD | JIS-standard round-body mini cylinder (double-rod, variable cushion). |
|---|---|
| 40 | Bore size in mm. |
| ×100 | 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 MFCD Double Rod Cushioned Mini Cylinder MFCD40X100S Is Used
Twin-Tool Stamping
Drives a high-speed dual-head stamping fixture where the second rod maintains strict parallelism and absorbs end-stroke shock via the variable cushion.
Synchronous Diverting
Pushes loads equally in both directions on a reversing conveyor line, utilising the 527.8 N bidirectional force to flip or reorient parts.
Vertical Lift Stops
Raises and lowers a 25 kg materials tray at speed, relying on the needle-set cushion to prevent slamming without needing a separate brake.
Is the Airtac MFCD Double Rod Cushioned Mini Cylinder MFCD40X100S the Right Cylinder?
When choosing between the two largest bores, the MFCD40 provides 527.8 N at 0.5 MPa versus the MFCD32 at 345.6 N. Step up to this 40 mm bore when your twin-tool mechanism needs higher equal force both ways or heavier anti-rotation stability at high cycling speeds. The adjustable air cushion soaks up kinetic energy near stroke end but does not lock the load; if air pressure drops, the piston drifts, so add an external rod lock or pilot check valve for fail-safe holding.
Mounting options include LB foot, FA flange and TC trunnion (there is no SDB mount or back-cover code because rods exit both ends). This -S variant supports CMSG, DMSG and EMSG sensors directly; a non-S SKU cannot take a switch.
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 MFCD Double Rod Cushioned Mini Cylinder MFCD40X100S FAQ
It generates 527.8 N at 0.5 MPa and 738.9 N at 0.7 MPa, with a theoretical max of 107.6 kgf at 1.0 MPa. Force is identical in both directions due to the double-rod design. The air port is 1/4".
No. The variable air cushion only decelerates the piston near the stroke end; it is not a brake or lock. The piston will drift on air loss. For holding, use an external rod lock or pilot check valve. The -S magnet enables CMSG/DMSG/EMSG sensors.
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