Airtac MBLCJ Adjustable Mini Cylinder MBLCJ20X100-20
The AirTAC Airtac MBLCJ Adjustable Mini Cylinder MBLCJ20X100-20 is a genuine double-acting aluminum-barrel mini cylinder with a Ø20mm bore, a 100mm nominal stroke and a rear adjustable-stroke stopper — trim up to 20mm for a usable window of 80–100mm. Adjustable air cushion (both ends).
- BoreØ20 mm
- Stroke100 mm
- Adjustable80–100 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM8×1.25
- 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 MBLCJ20X100-20
The AirTAC MBLCJ20X100-20 is a compact, double-acting mini cylinder featuring a riveted aluminum barrel and an Ø8mm hard-chrome plated carbon steel rod. It integrates a rear travel stopper that trims up to 20mm of stroke, yielding a usable extension window of 80-100mm. Tunable screw-type air cushions at both ends absorb end-of-stroke impact, protecting the end covers better than a fixed rubber bumper. Delivering 157N push and 132N pull at 0.5MPa, it suits compact positioning tasks.
This 20mm bore variant uses an M8x1.25 rod-end thread and a G1/8 port. Because this SKU lacks the -S magnet code, it cannot accept CMSG, DMSG, or EMSG position sensors. The rear adjuster sets the travel endpoint but does not lock the load, while the cushion only decelerates the piston. With a 100mm stroke, the small 8mm rod is highly susceptible to side-load bending, requiring an external guide rail to prevent premature seal wear.
Airtac MBLCJ Adjustable Mini Cylinder MBLCJ20X100-20 Technical Specifications
| Model | Airtac MBLCJ Adjustable Mini Cylinder MBLCJ20X100-20 |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder (adjustable stroke) |
| Bore size | Ø20 mm |
| Nominal stroke | 100 mm |
| Adjustable window | 80–100 mm (trim 20 mm) |
| Acting type | Double acting |
| Port size | G1/8 |
| Rod thread | M8×1.25 |
| 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 (Ø20mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 157 N | 132 N |
| 0.7 MPa | 220 N | — |
| Max (@1.0 MPa) | 32 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 MBLCJ20X100-20
| MBLCJ | MBLCJ aluminum-barrel adjustable-stroke mini cylinder with adjustable cushion. |
|---|---|
| 20 | Bore size in mm. |
| ×100 | Nominal stroke length in mm. |
| -20 | 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 MBLCJ20X100-20 Is Used
PCB Depaneling Saw Feed
Drives a small circular saw blade carriage in an electronics depaneling router, using the 80-100mm adjustable window to set the exact cut depth for different panel sizes while the air cushion prevents blade chatter at stroke end.
Microfluidic Valve Actuation
Cycles a diverter pin inside a medical microfluidic test station, where the 157N push force cleanly seats the cartridge valve and the tunable cushion stops the 8mm rod softly to avoid cracking the plastic manifold.
Label Applicator Wipe-Down
Pivots a foam wipe pad onto a moving vial conveyor in a pharmaceutical capping line, trimming the rear adjuster to 90mm so the pad perfectly meets the vial cap without bending the rod.
Is the Airtac MBLCJ Adjustable Mini Cylinder MBLCJ20X100-20 the Right Cylinder?
When sizing this 20mm bore, stepping down is not an option as it is the smallest available bore. Stepping up to the 25mm bore raises the 0.5MPa push force from 157N to 245N for heavier resistance. Choose this MBLCJ model over the MBLJ when your cycle speed demands active deceleration rather than a passive fixed bumper, or choose the MBLC if you need fixed standard stroke lengths without the rear adjuster. Remember the rear stroke adjuster and the air cushion are not brakes; they will not hold a load in place without live air pressure. Mounting is limited to Basic, FA flange, or LB foot brackets; no SDB pivot or back-cover options exist. For a direct replacement, match the 20mm bore, 100mm stroke, 20mm adjust code, PT thread, and confirm no magnet is required.
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 MBLCJ20X100-20 FAQ
At 0.5MPa, this 20mm bore double-acting cylinder provides 157N push and 132N pull. At 0.7MPa, the push force is 220N. The maximum theoretical force is 32kgf at 1.0MPa. The operating pressure range is 0.15-1.0MPa.
This specific SKU lacks the -S code, so it has no built-in magnet and cannot accept CMSG, DMSG, or EMSG sensors. The 20mm rear adjustment is a travel stop that sets the 80-100mm end position, not a lock; the air cushion only decelerates the piston, so neither will hold a load without continuous air pressure.
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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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