
The AirTAC Airtac MFCJ Adjustable Mini Cylinder MFCJ32X175-75S is a genuine double acting, adjustable stroke + cushion JIS-standard round-body mini air cylinder with a Ø32mm 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.
Dial in exact end positions on-site with the AirTAC MFCJ32X175-75S, a JIS-standard round-body mini cylinder featuring a 75 mm external stroke adjuster that shortens the nominal 175 mm extend stroke. A needle-set variable air cushion at both ends soaks up high-speed shock for quiet, smooth deceleration. The riveted SUS304 stainless barrel and aluminium covers resist mild corrosion and washdown, while the body is deliberately shorter than an ISO 6432 cylinder of the same bore and stroke to save mounting length.
Driven by a 32 mm bore and a 1/4" port, this double-acting actuator delivers 402.2 N of push force at 0.5 MPa, making it a robust mid-range choice. The built-in piston magnet (-S) supports CMSG, DMSG, and EMSG switches for position sensing. For sizing, expect a safe working load around 241 N, or enough power to lift about 20.5 kg vertically with a 2:1 safety margin.
| Model | Airtac MFCJ Adjustable Mini Cylinder MFCJ32X175-75S |
|---|---|
| Series | MFCJ JIS mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 175 mm |
| Acting type | Double acting, adjustable stroke + cushion |
| Port size | 1/4" |
| Rod thread | M10×1.25 |
| 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 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 | 402 N | 346 N |
| 0.7 MPa | 563 N | 484 N |
| Max (@1.0 MPa) | 82 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| MFCJ | JIS-standard round-body mini cylinder (adjustable-stroke, variable cushion). |
|---|---|
| 32 | 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.
Fine-tune the extend stroke up to 75 mm during machine changeovers to hit exact tooling endpoints without machining new spacers, using the 402.2 N push force to drive mid-weight forming pins.
Absorb the impact of rapid package routing at up to 800 mm/s using the variable air cushions, safely handling loads near the 241 N safe working limit on washdown-resistant SUS304 stainless.
Lift items up to 20.5 kg with a 2:1 margin, adjusting the extend position on-site to accommodate varying pallet heights while relying on external check valves for fall protection.
Choose the MFCJ32 when your changeover requires roughly 402 N of push force at 0.5 MPa; step up to the MFCJ40 (628.3 N) if moving heavier tooling, or drop to the MFCJ25 (245.3 N) for lighter pick-and-place. The 75 mm adjustable window here is ideal for trial fits where both the exact extend endpoint and end-of-stroke shock need tuning on the fly. Mount via LB foot, FA flange, or TC trunnion (no SDB or back-cover option exists on this build).
Remember that the air cushion and external adjuster only decelerate the piston and set the end position—they do not hold the load. If air pressure drops, the piston will drift; for vertical or suspended loads, install an external rod lock or pilot-operated check valve. Position feedback requires the -S magnet already specified here to pair with CMSG, DMSG, or EMSG sensors.
Quick checklist
This 32 mm bore cylinder uses a 1/4" port and features a variable air cushion at both ends. It generates 402.2 N push and 345.6 N pull at 0.5 MPa, 563 N push and 483.8 N pull at 0.7 MPa, with a theoretical maximum of 82 kgf at 1.0 MPa. Operating speed ranges from 30-800 mm/s.
The external adjuster shortens the 175 mm extend stroke by up to 75 mm on-site, allowing precise endpoint tuning for trial fits. The variable air cushion only decelerates the piston near the stroke end; it is not a brake. The -S magnet enables CMSG/DMSG/EMSG sensors, but an external rod lock is required to hold loads on air loss.
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