Airtac MICJ Adjustable Mini Cylinder MICJ40X15-20
The AirTAC MICJ Adjustable Mini Cylinder MICJ40X15-20 is a genuine double acting, double rod, adjustable stroke + cushion round-body mini air cylinder with a Ø40mm bore and 15mm stroke, 1/4" air ports and a stainless-steel barrel and rod for mildly corrosive environments.
- BoreØ40 mm
- Stroke15 mm
- Port size1/4"
- Acting typeDouble acting, double rod, adjustable stroke + cushion
- Rod threadM12×1.25
- CushionVariable 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 MICJ Adjustable Mini Cylinder MICJ40X15-20
Shave up to 20 mm off the forward end position on site with the AirTAC MICJ40X15-20, a stainless-steel round-body mini cylinder built for double-acting service. An external stop screw dials in the extend stop from 0 to 15 mm without swapping hardware, while a needle-set adjustable air cushion at both ends soaks up high-speed shock.
The stainless barrel and Ø16 mm piston rod shrug off mild corrosion and washdown. Because this is a non-magnet SKU, it cannot host CMSG, DMSG or EMSG sensors.
Airtac MICJ Adjustable Mini Cylinder MICJ40X15-20 Technical Specifications
| Model | Airtac MICJ Adjustable Mini Cylinder MICJ40X15-20 |
|---|---|
| Series | MICJ mini cylinder |
| Bore size | Ø40 mm |
| Stroke | 15 mm |
| Acting type | Double acting, double rod, adjustable stroke + cushion |
| Port size | 1/4" |
| Rod thread | M12×1.25 |
| 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 | Variable air cushion, both ends |
| Max standard stroke | Up to 500 mm |
Specifications follow the official AirTAC MI/MIC (ISO 6432) datasheet. Barrel & rod: stainless steel (round-body, riveted construction). Thread options: PT (blank) / G. Note: the Ø40 bore is a larger, non-ISO-6432 size.
Theoretical Output Force (Ø40mm)
| Pressure | Force (both ways) |
|---|---|
| 0.5 MPa | 528 N |
| 0.7 MPa | 739 N |
| Max (@1.0 MPa) | 108 kgf |
MIJ / MICJ are double-rod: the rear rod that carries the stroke adjuster exits the rear cover, so both piston faces lose rod area. The rod-side (annular) area is used for both directions (conservative).
Model Code: Airtac MICJ Adjustable Mini Cylinder MICJ40X15-20
| MICJ | round-body mini cylinder (adjustable-stroke, variable cushion). |
|---|---|
| 40 | Bore size in mm. |
| ×15 | Stroke length in mm. |
| -20 | Adjustable stroke window (mm the extend stroke can be shortened on site). |
| -S | Optional built-in magnet for CMSG / DMSG / EMSG sensors. |
MI-family variants: MI / MIC (double acting ±cushion), MSI / MTI (single acting push / pull), MID / MICD (double rod ±cushion), MIJ / MICJ (double rod, adjustable stroke ±cushion). Back covers CA / U / R / CM. Mounting LB / FA / SDB / TC.
Where the Airtac MICJ Adjustable Mini Cylinder MICJ40X15-20 Is Used
Press Fit Dial-In
Trim the 15 mm extend stroke down to the exact press depth for seating 32 kg assemblies, letting the dual air cushions absorb the impact.
Washdown Flap Actuator
Leverage the stainless rod and barrel to snap packaging flaps in damp environments, tuning the extend end to clear obstructions.
Is the Airtac MICJ Adjustable Mini Cylinder MICJ40X15-20 the Right Cylinder?
If you need less force, the Ø32 bore drops to 402.2 N; there is no larger MICJ bore. The adjustable stop plus twin air cushions shine when you need fast, repeatable set-position moves within the 30-800 mm/s range. Remember the stop screw only trims the extend end—it is not a mid-stroke lock. A plain cylinder drifts on air loss, so clamp the load with an external rod lock or pilot check valve. Mount via LB, FA or TC; SDB is not offered here.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT / G)
- ✓ Magnet (-S) for sensors?
- ✓ Back cover (CA/U/R/CM) & mount (LB/FA/SDB/TC)
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Do not dismantle the riveted front/back covers.
- check Use correct back cover (CA/U/R/CM) & mount (LB/FA/SDB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac MICJ Adjustable Mini Cylinder MICJ40X15-20 FAQ
This 40 mm bore cylinder features a 1/4" port and a M12x1.25 male rod thread. The theoretical maximum force is 128.1 kgf at 1.0 MPa.
An external screw shortens the extend end by up to 20 mm (usable 0-15 mm) for on-site tuning, while needle valves adjust the air cushions at both ends to decelerate high-speed moves. Note this SKU lacks a magnet, so it cannot take CMSG/DMSG/EMSG sensors, and the stop screw is not a mid-stroke lock.
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.
Related AirTAC MICJ Cylinders
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