
The AirTAC Airtac MBLCJ Adjustable Mini Cylinder MBLCJ32X350-75 is a genuine double-acting aluminum-barrel mini cylinder with a Ø32mm bore, a 350mm nominal stroke and a rear adjustable-stroke stopper — trim up to 75mm for a usable window of 275–350mm. Adjustable air cushion (both ends).
The AirTAC MBLCJ32X350-75 is a compact double-acting aluminum mini cylinder featuring a rear stroke adjuster and an adjustable air cushion at both ends. It delivers 402 N of push force and 346 N of pull force at 0.5 MPa. The 75 mm rear stopper lets you dial in the exact end position within a 275 to 350 mm usable travel window, ensuring precise placement for longer-stroke tasks.
Screw-tunable end cushions decelerate the rod near each stroke limit, absorbing kinetic energy to prevent end-cover damage during fast or heavy moves. The riveted rolling-packed barrel and heterogeneous two-way grease-retaining piston seal lock in lubrication for a long service life. Note that this specific SKU lacks a built-in magnet, meaning it cannot support CMSG, DMSG, or EMSG position sensing without modification.
| Model | Airtac MBLCJ Adjustable Mini Cylinder MBLCJ32X350-75 |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder (adjustable stroke) |
| Bore size | Ø32 mm |
| Nominal stroke | 350 mm |
| Adjustable window | 275–350 mm (trim 75 mm) |
| Acting type | Double acting |
| Port size | G1/8 |
| 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 | Adjustable air cushion (both ends) |
| Max standard stroke | Up to 500 mm |
The rear stopper sets the end position — it is a travel stop, not a lock. Overall length = A + 2 × stroke + adjustable stroke. MBLJ/MBLCJ mounting is Basic / FA / LB only (no SDB, no back-cover code). Thread options: PT / G / NPT.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | — |
| Max (@1.0 MPa) | 82 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a margin.
| MBLCJ | MBLCJ aluminum-barrel adjustable-stroke mini cylinder with adjustable cushion. |
|---|---|
| 32 | Bore size in mm. |
| ×350 | Nominal stroke length in mm. |
| -75 | Adjustable-stroke amount (mm you can trim at the rear). |
| S | Optional built-in magnet for a CMSG/DMSG/EMSG sensor switch. |
Related: MBLJ (adjustable stroke, fixed bumper), MBL (fixed stroke), MBLD (double rod).
Drops a spindle carriage across the 275-350 mm window to route printed circuit boards, using the tuned air cushion to stop the 402 N thrust smoothly without shocking the bearings.
Extends a folding arm 350 mm to close corrugated carton flaps, trimming the 75 mm rear stopper to hit the exact sealing height while the cushion softens the end hit.
Raises a warp beam into a weaving loom, relying on the 12 mm rod and external guides to handle the 350 mm extension while the cushion tames the deceleration.
If you need less force, step down to the 25 mm bore (245 N push @0.5 MPa); if you need more clamping power, step up to the 40 mm bore (628 N push @0.5 MPa). Choose this MBLCJ over the MBLJ when your moving mass requires tunable pneumatic deceleration instead of a fixed rubber bumper, or over the MBLC when you need to trim the 75 mm rear travel window rather than using a fixed stroke.
Remember that the rear adjuster is a travel stop, not a lock, and the cushions only decelerate, so you need live air and external locking for position holding. Mounting is limited to Basic, FA flange, or LB foot (no SDB or back-cover options). At a 350 mm stroke, the 12 mm hard-chrome plated carbon-steel rod is highly susceptible to side-load bending, so an external guide rail is mandatory. For exact replacements, match the 32 mm bore, 350 mm stroke, 75 mm adjust code, G1/8 port, PT thread, and no magnet.
Quick checklist
At 0.5 MPa, this 32 mm bore cylinder provides 402 N of push force and 346 N of pull force. At 0.7 MPa, the push force reaches 563 N. The maximum theoretical force is 82 kgf at 1.0 MPa.
No, this specific SKU does not have the -S code, meaning no internal magnet is fitted. To use AirTAC CMSG reed or DMSG/EMSG electronic sensors, you must select an MBLCJ model that includes the -S suffix.
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