
The AirTAC Airtac MF32-40 Stainless Steel Mini Cylinder MF40X600SCM is a genuine double acting JIS-standard round-body mini air cylinder with a Ø40mm bore and 600mm 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.
Generating 628.3 N of push force at 0.5 MPa, this double-acting AirTAC mini cylinder handles heavy-duty positioning tasks. Because the stroke is 600 mm, it is produced as a non-standard, made-to-order unit exceeding the 500 mm standard maximum. The JIS-standard round-body architecture is physically shorter than a comparable ISO 6432 cylinder, yielding a tangible packaging advantage in tight machine cells.
The SUS304 stainless steel barrel and riveted aluminium covers naturally resist mild corrosion and washdown. Fixed TPU bumper pads and a front-cover anti-impact pad soften stroke-end impacts, though they decelerate rather than act as an adjustable cushion. Plan for a safe working load of roughly 377 N, which translates to lifting about 32 kg vertically with a 2:1 safety margin. The 1/4" port and M14x1.5 male rod thread accommodate robust pneumatic plumbing.
| Model | Airtac MF32-40 Stainless Steel Mini Cylinder MF40X600SCM |
|---|---|
| Series | MF JIS mini cylinder |
| Bore size | Ø40 mm |
| Stroke | 600 mm |
| Acting type | Double acting |
| 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 | Fixed TPU bumper pads |
| 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.
| 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.
| MF | JIS-standard round-body mini cylinder (double-acting). |
|---|---|
| 40 | Bore size in mm. |
| ×600 | 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.
Pushes heavy pallets across transfer lines using its 628.3 N thrust, while the 600 mm stroke clears wide conveyor lanes.
Extracts molded parts from deep injection press cavities, leveraging the 600 mm reach and 32 kg vertical lift equivalence.
Raises and lowers heavy access gates on packaging machinery, taking advantage of the CM round-end pivot for smooth articulation.
When sizing this 40 mm bore unit, dropping down to an MF32 reduces the push force to 402.2 N at 0.5 MPa, while the 40 mm remains the largest available MF bore with a 628.3 N rating. The included -S magnet supports CMSG, DMSG, and EMSG reed or electronic switches for position sensing, and the CM round-end back cover suits pivot-mount installations. For side-load resilience on this extended 600 mm stroke, ensure rigid guidance to prevent rod bending.
Remember that fixed bumpers only decelerate the stroke end and do not function as a brake. If air pressure drops, the piston will drift, so fit an external rod lock or pilot-operated check valve to sustain elevated loads safely.
Quick checklist
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, 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 JIS-standard riveted stainless body is inherently shorter than an ISO 6432 cylinder for the same 40 mm bore and 600 mm stroke, saving mounting length. It relies on fixed TPU bumper pads to decelerate at stroke end rather than an adjustable air cushion.
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