
The AirTAC Airtac MBLCJ Adjustable Mini Cylinder MBLCJ32X150-75 is a genuine double-acting aluminum-barrel mini cylinder with a Ø32mm bore, a 150mm nominal stroke and a rear adjustable-stroke stopper — trim up to 75mm for a usable window of 75–150mm. Adjustable air cushion (both ends).
The AirTAC MBLCJ32X150-75 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 push and 346 N pull force at 0.5 MPa. The rear stopper allows you to trim up to 75 mm of travel, creating a usable end-position window of 75 to 150 mm. This combination is ideal for applications requiring precise end-position tuning alongside controlled deceleration of heavier moving masses.
Unlike the fixed rubber bumper found on the base MBLJ series, the MBLCJ features screw-tunable air cushions that absorb kinetic energy near each stroke end, protecting the end covers from impact damage. The riveted rolling-packed aluminum barrel and heterogeneous two-way grease-retaining piston seal ensure long-term lubrication. This specific SKU lacks a built-in magnet, meaning it cannot support CMSG, DMSG, or EMSG position sensors. Additionally, the rear adjuster acts purely as a mechanical travel stop and does not lock or hold the load in place.
| Model | Airtac MBLCJ Adjustable Mini Cylinder MBLCJ32X150-75 |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder (adjustable stroke) |
| Bore size | Ø32 mm |
| Nominal stroke | 150 mm |
| Adjustable window | 75–150 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. |
| ×150 | 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).
Governs the plunge depth of a spindle motor on a printed circuit board routing machine, using the 75 mm stroke trim to dial in exact cutting depth while the air cushion prevents hard stops.
Applies 402 N of downward force to seal plastic beverage bottles, relying on the tunable cushion to decelerate the 12 mm rod smoothly before it caps the container.
Advances a stamping die into tanned leather goods, utilizing the 75-150 mm adjustable window to accommodate varying material thicknesses without changing the cylinder.
When sizing this 32 mm bore cylinder, consider stepping down to the 25 mm bore if your application requires less force (it provides 245 N push at 0.5 MPa), or stepping up to the 40 mm bore for heavier moves (628 N push at 0.5 MPa). Choose the MBLCJ over the MBLJ when your moving mass demands tunable end-of-stroke deceleration rather than a simple fixed bumper. Choose it over the MBLC when you need the rear travel adjustment to fine-tune the end position. Remember that neither the rear stopper nor the air cushion acts as a lock; the rod will drift without live air pressure, so external holding mechanisms are required for positive locking. Mounting is limited to Basic, FA (flange), or LB (foot) styles, as this series omits SDB pivot and back-cover options. For a direct replacement, match the 32 mm bore, 150 mm stroke, 75 mm adjust code, G1/8 PT port, and lack of an S magnet.
Quick checklist
At 0.5 MPa, this 32 mm bore cylinder provides 402 N push and 346 N pull force. At 0.7 MPa, the push force increases to 563 N. The maximum theoretical force is 82 kgf at 1.0 MPa, with an operating pressure range of 0.15 to 1.0 MPa.
The adjustable stroke is a rear mechanical stopper that lets you trim the travel window down to 75 mm from the 150 mm nominal stroke. The adjustable air cushion is a screw-tunable valve that controls end-of-stroke deceleration. Neither holds the load; the stopper sets the travel end, and the cushion only absorbs kinetic energy.
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