Airtac MBLCJ Adjustable Mini Cylinder MBLCJ63X175-100S
The AirTAC Airtac MBLCJ Adjustable Mini Cylinder MBLCJ63X175-100S is a genuine double-acting aluminum-barrel mini cylinder with a Ø63mm bore, a 175mm nominal stroke and a rear adjustable-stroke stopper — trim up to 100mm for a usable window of 75–175mm. Adjustable air cushion (both ends).
- BoreØ63 mm
- Stroke175 mm
- Adjustable75–175 mm
- Port sizeG1/4
- Acting typeDouble acting
- Rod threadM14×1.5
- CushionAdjustable air cushion (both ends)
About the Airtac MBLCJ Adjustable Mini Cylinder MBLCJ63X175-100S
The AirTAC MBLCJ63X175-100S is a compact double-acting aluminum mini cylinder featuring a rear stroke adjuster and an adjustable air cushion at both ends. It delivers 1558 N of push force and 1457 N of pull force at 0.5 MPa. The rear stopper allows you to trim up to 100 mm of travel, creating a precise usable stroke window of 75 to 175 mm. This specific 175 mm stroke suits longer linear indexing or pressing tasks that require exact end-positioning.
Unlike the fixed rubber bumper found on the base MBLJ, the screw-tunable air cushion on this unit decelerates heavy 318 kgf peak loads to protect the end covers. The rear travel stopper sets the end position but does not hold the load; a plain pneumatic cylinder drifts without live air pressure. A built-in magnet (-S) enables position detection using AirTAC CMSG reed or DMSG and EMSG electronic switches. The riveted rolling-packed barrel and 20 um hard-chrome plated carbon-steel rod ensure durable, low-friction operation.
Airtac MBLCJ Adjustable Mini Cylinder MBLCJ63X175-100S Technical Specifications
| Model | Airtac MBLCJ Adjustable Mini Cylinder MBLCJ63X175-100S |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder (adjustable stroke) |
| Bore size | Ø63 mm |
| Nominal stroke | 175 mm |
| Adjustable window | 75–175 mm (trim 100 mm) |
| Acting type | Double acting |
| Port size | G1/4 |
| Rod thread | M14×1.5 |
| 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 (Ø63mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 1559 N | 1458 N |
| 0.7 MPa | 2182 N | — |
| Max (@1.0 MPa) | 318 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 MBLCJ63X175-100S
| MBLCJ | MBLCJ aluminum-barrel adjustable-stroke mini cylinder with adjustable cushion. |
|---|---|
| 63 | Bore size in mm. |
| ×175 | Nominal stroke length in mm. |
| -100 | 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 MBLCJ63X175-100S Is Used
Injection Mold Ejection
Uses the 1558 N push force at 0.5 MPa to eject heavy plastic parts, relying on the adjustable air cushion to soften the stop and prevent mold plate damage.
Assembly Press Calibration
Trims the stroke window down to 75 mm for inserting bearings, using the rear stopper for exact depth control and the magnet for cycle confirmation.
Woodworking Panel Feeding
Drives long 175 mm indexing strokes to feed lumber through a planer, where the tunable cushion absorbs the high kinetic energy of heavy wood feeds.
Is the Airtac MBLCJ Adjustable Mini Cylinder MBLCJ63X175-100S the Right Cylinder?
If you need less force, stepping down to the 50 mm bore yields 981 N push at 0.5 MPa, whereas stepping up is not possible as 63 mm is the largest MBL diameter. Choose this MBLCJ over the MBLJ when your moving mass requires tunable end-of-stroke deceleration instead of a fixed bumper, or over the MBLC if you need that rear travel stopper to fine-tune the 75-175 mm window. The rear adjuster is strictly a mechanical travel stop, not a lock, so external guides must manage side loads and position holding.
This SKU uses a G1/4 port, an M14x1.5 rod-end thread, and PT threaded air connections. Mounting is limited to Basic, FA flange, or LB foot brackets; there is no SDB pivot or back-cover option. Because the overall length extends by the adjustment amount, ensure your machine envelope accommodates the extra 100 mm. An exact replacement requires matching the 63 mm bore, 175 mm stroke, 100 mm adjust code, PT port, and the -S 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 MBLCJ63X175-100S FAQ
At 0.5 MPa it provides 1558 N push and 1457 N pull. At 0.7 MPa the push force is 2181 N. The maximum theoretical force is 318 kgf at 1.0 MPa.
The rear adjustable stroke is a mechanical stopper that trims travel within a 75 to 175 mm window. The adjustable air cushion only tunes end-of-stroke deceleration. Neither holds the load; the rod drifts without live air.
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