Airtac MBLCJ Adjustable Mini Cylinder MBLCJ32X125-40
The AirTAC Airtac MBLCJ Adjustable Mini Cylinder MBLCJ32X125-40 is a genuine double-acting aluminum-barrel mini cylinder with a Ø32mm bore, a 125mm nominal stroke and a rear adjustable-stroke stopper — trim up to 40mm for a usable window of 85–125mm. Adjustable air cushion (both ends).
- BoreØ32 mm
- Stroke125 mm
- Adjustable85–125 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable air cushion (both ends)
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac MBLCJ Adjustable Mini Cylinder MBLCJ32X125-40
The AirTAC MBLCJ32X125-40 is a compact double-acting mini cylinder featuring a rear stroke adjuster and tunable air cushions at both ends. It delivers 402 N push and 346 N pull force at 0.5 MPa. The rear stopper trims up to 40 mm of travel, creating a usable end-position window of 85 to 125 mm for exact mid-stroke placement. This 125 mm stroke suits automated ejection and mid-length transfer tasks.
Unlike the fixed rubber bumper on an MBLJ, the screw-tunable cushions on this MBLCJ allow you to dial in end-of-stroke deceleration, absorbing kinetic energy to protect the end covers during faster cycles. The riveted aluminum barrel and 20 µm hard-chrome plated carbon-steel rod ensure durability. Note that this specific SKU lacks a built-in magnet, meaning it cannot support CMSG, DMSG, or EMSG position sensors without physical modification.
Airtac MBLCJ Adjustable Mini Cylinder MBLCJ32X125-40 Technical Specifications
| Model | Airtac MBLCJ Adjustable Mini Cylinder MBLCJ32X125-40 |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder (adjustable stroke) |
| Bore size | Ø32 mm |
| Nominal stroke | 125 mm |
| Adjustable window | 85–125 mm (trim 40 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.
Theoretical Output Force (Ø32mm)
| 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.
Model Code: Airtac MBLCJ Adjustable Mini Cylinder MBLCJ32X125-40
| MBLCJ | MBLCJ aluminum-barrel adjustable-stroke mini cylinder with adjustable cushion. |
|---|---|
| 32 | Bore size in mm. |
| ×125 | Nominal stroke length in mm. |
| -40 | 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 MBLCJ32X125-40 Is Used
PCB Depaneling Ejector
Uses the 85-125 mm adjustable window to precisely set the ejection height of separated circuit boards, while the air cushion prevents shock to delicate solder joints during the 402 N push.
Packaging Flap Folder
Tunes the end-of-stroke deceleration to softly fold heavy cardboard carton flaps at high speed, avoiding cover damage that a fixed bumper would cause.
Bottle Diverting Arm
Provides a reliable 346 N pull to retract a routing guide on a filling line, with the rear stopper fixing the exact retracted position to clear passing containers.
Is the Airtac MBLCJ Adjustable Mini Cylinder MBLCJ32X125-40 the Right Cylinder?
For lower force needs, stepping down to the 25 mm bore yields 245 N push at 0.5 MPa, while moving up to the 40 mm bore provides 628 N if your payload requires more authority. Choose this MBLCJ over the MBLJ when your moving mass demands controlled deceleration rather than a hard bumper impact, or over the MBLC when you need that 85-125 mm adjustable end-position window. The rear adjuster sets the travel limit and the cushion regulates speed, but neither acts as a mechanical lock to hold a load in place—external holding is required for drop-safety.
Mounting is restricted to Basic, FA flange, or LB foot styles; no back-cover or SDB pivot options exist for this series. The overall length extends by the 40 mm adjuster dimension. To replace this unit, match the 32 mm bore, 125 mm stroke, 40 mm adjust code, G1/8 port, PT thread, and confirm no magnet is required. The 125 mm stroke is well within the 500 mm maximum for this bore, keeping side-load risk manageable, though an external guide is still recommended for heavy lateral loads.
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 MBLCJ32X125-40 FAQ
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, with a theoretical maximum of 82 kgf at 1.0 MPa. The rear adjuster allows you to trim up to 40 mm of travel, creating a usable stroke window from 85 mm to 125 mm.
This specific SKU does not have a built-in magnet, so it cannot support AirTAC CMSG, DMSG, or EMSG position sensors. Additionally, the adjustable air cushion only regulates end-of-stroke deceleration, and the rear adjuster acts as a travel stop; neither component will mechanically lock or hold a load in place.
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models are processed and dispatched in 3-5 business days.
Fast Reply
Most inquiries answered within 7-8 hours.
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