
The AirTAC Airtac MBLCJ Adjustable Mini Cylinder MBLCJ32X250-10S is a genuine double-acting aluminum-barrel mini cylinder with a Ø32mm bore, a 250mm nominal stroke and a rear adjustable-stroke stopper — trim up to 10mm for a usable window of 240–250mm. Adjustable air cushion (both ends).
The AirTAC MBLCJ32X250-10S is a compact double-acting aluminum mini cylinder featuring a rear stroke adjuster and a tunable air cushion at both ends. The 10 mm rear stopper trims the travel to a 240-250 mm usable window, while delivering 402 N of push force at 0.5 MPa. This 250 mm stroke suits automated packaging and medium-load transfer tasks. The integrated -S magnet enables position detection via CMSG reed or DMSG and EMSG electronic switches.
Unlike the fixed rubber bumper on an MBLJ, the adjustable air cushion uses screw-tunable deceleration to absorb kinetic energy at the stroke extremes, protecting the end covers during high-speed moves. The riveted rolling-packed barrel and 20 µm hard-chrome plated carbon-steel rod resist wear, while the grease-retaining piston seal ensures consistent friction. The rear stopper sets the travel end but does not lock the load; external guides are recommended for this 250 mm stroke to prevent rod bending.
| Model | Airtac MBLCJ Adjustable Mini Cylinder MBLCJ32X250-10S |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder (adjustable stroke) |
| Bore size | Ø32 mm |
| Nominal stroke | 250 mm |
| Adjustable window | 240–250 mm (trim 10 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. |
| ×250 | Nominal stroke length in mm. |
| -10 | 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).
Drives a 250 mm routing arm in a PCB assembly line, using the 240-250 mm window to dial in exact board clearance while the air cushion prevents end-cover shock during rapid indexing.
Actuates a carton sealing flap mechanism where the 402 N thrust at 0.5 MPa easily overcomes cardboard resistance, and the -S magnet confirms fold completion via a DMSG electronic sensor.
Transfers heavy warp beams laterally across a loom, relying on the tunable cushion to decelerate the 250 mm travel smoothly without snatching the fabric or bending the Ø12 mm rod.
Choose this 32 mm bore when you need 402 N of thrust at 0.5 MPa. If your application is lighter, step down to the 25 mm bore (245 N push); if you need more power, step up to the 40 mm bore (628 N push). Compared to the fixed-stroke MBLC, this MBLCJ allows fine-tuning the end position by up to 10 mm. The adjustable air cushion damps end-of-stroke impact, while the rear adjuster acts as a travel stop—neither component holds the load in place without live air pressure.
Mounting is limited to Basic, FA flange, or LB foot styles; no back-cover or SDB pivot options exist for this series. The PT threaded port matches the G1/8 standard for this bore, and the M10x1.25 rod-end thread ensures secure mechanical attachment. When ordering a replacement, verify the 32 mm bore, 250 mm stroke, 10 mm adjust code, PT port, and the -S magnet specification.
Quick checklist
At 0.5 MPa, the push force is 402 N and the pull force is 346 N. At 0.7 MPa, the push force increases to 563 N. The maximum theoretical force is 82 kgf at 1.0 MPa operating pressure.
The 10 mm rear adjuster physically stops the piston, creating a 240-250 mm usable travel window. The adjustable air cushion only controls deceleration speed at the end of that stroke. Neither feature locks or holds the load in place without continuous air pressure.
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