Airtac MBLCJ Adjustable Mini Cylinder MBLCJ25X15-10
The AirTAC Airtac MBLCJ Adjustable Mini Cylinder MBLCJ25X15-10 is a genuine double-acting aluminum-barrel mini cylinder with a Ø25mm bore, a 15mm nominal stroke and a rear adjustable-stroke stopper — trim up to 10mm for a usable window of 5–15mm. Adjustable air cushion (both ends).
- BoreØ25 mm
- Stroke15 mm
- Adjustable5–15 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable air cushion (both ends)
About the Airtac MBLCJ Adjustable Mini Cylinder MBLCJ25X15-10
The AirTAC MBLCJ25X15-10 is a compact, double-acting mini round cylinder featuring a rear stroke adjuster and a tunable air cushion at both ends. It delivers 245 N of push force and 206 N of pull force at 0.5 MPa. The 10 mm adjustment code lets you trim the rear travel stopper, creating a usable stroke window of 5 to 15 mm for exact end-positioning. This short stroke is ideal for tight-spot actuation where fixed bumpers would bounce or wear.
Unlike the standard MBLJ with its fixed rubber bumper, this model uses screw-tunable end-of-stroke cushioning to decelerate faster moves and protect the end covers. The riveted aluminum barrel and grease-retaining two-way piston seal keep the unit lightweight and internally lubricated. The rear stopper sets the travel end but does not hold the load; because this specific SKU lacks the -S magnet, it cannot accept a CMSG or DMSG position sensor.
Airtac MBLCJ Adjustable Mini Cylinder MBLCJ25X15-10 Technical Specifications
| Model | Airtac MBLCJ Adjustable Mini Cylinder MBLCJ25X15-10 |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder (adjustable stroke) |
| Bore size | Ø25 mm |
| Nominal stroke | 15 mm |
| Adjustable window | 5–15 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 300 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.
Theoretical Output Force (Ø25mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 245 N | 206 N |
| 0.7 MPa | 344 N | — |
| Max (@1.0 MPa) | 50 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a margin.
Model Code: Airtac MBLCJ Adjustable Mini Cylinder MBLCJ25X15-10
| MBLCJ | MBLCJ aluminum-barrel adjustable-stroke mini cylinder with adjustable cushion. |
|---|---|
| 25 | Bore size in mm. |
| ×15 | 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).
Where the Airtac MBLCJ Adjustable Mini Cylinder MBLCJ25X15-10 Is Used
PCB Reject Gate
Drives a short 5-15 mm diverter arm on a conveyor to push defective printed circuit boards into a reject chute without damaging the delicate components.
Micro-Clamp Actuator
Provides 245 N of clamping force to hold small plastic injection-molded housings steady during ultrasonic welding, using the cushion to prevent impact marks.
Label Applicator Tamp
Tamps adhesive labels onto small pharmaceutical vials, using the adjustable rear stopper to dial in the exact 5 mm contact distance.
Is the Airtac MBLCJ Adjustable Mini Cylinder MBLCJ25X15-10 the Right Cylinder?
Stepping down to the 20 mm bore reduces thrust to 157 N (push) and 132 N (pull) at 0.5 MPa, which may be insufficient if your mechanism has high return-spring resistance. Stepping up to the 32 mm bore yields 402 N push and 346 N pull, offering a sturdier option if your payload risks binding. Choose this MBLCJ over the MBLJ when you need tunable deceleration instead of a fixed rubber bumper, or over the MBLC if your application requires trimming the end position.
Remember that the adjustable stroke screw is a travel stop, not a mechanical lock; it cannot hold a load in place without live air pressure, and the cushion only decelerates the piston rather than locking it. Mounting is limited to Basic, FA flange, or LB foot brackets; there is no SDB pivot or back-cover option. The overall length is calculated as A plus twice the stroke plus the 10 mm adjuster. For an exact drop-in replacement, match the 25 mm bore, 15 mm stroke, 10 mm adjust code, G1/8 port, PT thread, and the absence of a magnet.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Adjustable window fits your end position
- ✓ Adjuster is a travel stop, not a lock
- ✓ Magnet (S) for sensors?
- ✓ Side load — add a guide on long strokes
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Set the rear stopper for the end position (a travel stop, not a lock).
- check Avoid side load; add an external guide on long strokes.
- check Mounting: Basic / FA flange / LB foot (no SDB, no back-cover code).
- check Installation by qualified personnel per AirTAC docs.
Airtac MBLCJ Adjustable Mini Cylinder MBLCJ25X15-10 FAQ
At 0.5 MPa, this 25 mm bore cylinder provides 245 N of push force and 206 N of pull force. At 0.7 MPa, the push force increases to 343 N, with a theoretical maximum of 50 kgf at 1.0 MPa. The 10 mm adjustment code allows you to trim the rear travel stopper, providing a usable stroke window of 5 to 15 mm.
No, because this specific SKU lacks the -S suffix, it has no built-in magnet and cannot accept AirTAC CMSG or DMSG position sensors. Additionally, the adjustable air cushion only tunes end-of-stroke deceleration to protect the end covers, and the rear adjuster is a travel stop; neither feature locks or holds the load without continuous air pressure.
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