Airtac MICJ Adjustable Mini Cylinder MICJ40X20-10
The AirTAC MICJ Adjustable Mini Cylinder MICJ40X20-10 is a genuine double acting, double rod, adjustable stroke + cushion round-body mini air cylinder with a Ø40mm bore and 20mm stroke, 1/4" air ports and a stainless-steel barrel and rod for mildly corrosive environments.
- BoreØ40 mm
- Stroke20 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 MICJ40X20-10
Shave up to 10 mm off the forward end position on site with the AirTAC MICJ40X20-10, a 40 mm bore round-body mini cylinder built from stainless steel for mild washdown resistance. An external stop screw dials in the extend stroke from 10 to 20 mm, while a needle-set adjustable air cushion at both ends soaks up high-speed shock.
This double-acting actuator uses a 1/4" air port and a 16 mm piston rod with an M12x1.25 male thread. Note this SKU lacks a magnet, so it cannot take CMSG/DMSG/EMSG sensors; choose the -S variant for position detection.
Airtac MICJ Adjustable Mini Cylinder MICJ40X20-10 Technical Specifications
| Model | Airtac MICJ Adjustable Mini Cylinder MICJ40X20-10 |
|---|---|
| Series | MICJ mini cylinder |
| Bore size | Ø40 mm |
| Stroke | 20 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 MICJ40X20-10
| MICJ | round-body mini cylinder (adjustable-stroke, variable cushion). |
|---|---|
| 40 | Bore size in mm. |
| ×20 | Stroke length in mm. |
| -10 | 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 MICJ40X20-10 Is Used
Heavy Diverter Gate
Pivot a loaded sorting gate at speed; the stainless build handles mild splashing and the adjustable cushion prevents end-of-stroke slamming.
Carton Sealing Press
Apply 32 kg of vertical down-force to seal large boxes, fine-tuning the forward stop on the fly without swapping the actuator.
Is the Airtac MICJ Adjustable Mini Cylinder MICJ40X20-10 the Right Cylinder?
For lighter pushes, the 32 mm bore hits 402.2 N at 0.5 MPa, whereas this 40 mm bore provides 628.3 N. There is no larger MICJ bore, so for loads above the 128.1 kgf theoretical max, switch to a different profile. The 10 mm extend adjuster and dual air cushions excel in fast, settable-position moves. Remember the stop screw sets the end position but is not a mid-stroke lock; the piston drifts on air loss, so fit an external rod lock or pilot check valve to hold a suspended load.
Mount using LB foot, FA flange or TC trunnion brackets (SDB pivot-block is unavailable on this adjustable type), plus CA/U/R/CM back covers. Because this exact SKU has no -S magnet, it cannot accept position sensors.
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 MICJ40X20-10 FAQ
This 40 mm bore cylinder uses a 1/4" port. At 0.5 MPa it pushes 628.3 N and pulls 527.8 N. At 0.7 MPa it pushes 879.6 N and pulls 738.9 N. The theoretical maximum force is 128.1 kgf at 1.0 MPa.
An external screw shortens the extend stroke by up to 10 mm (retract stays full). A needle valve adjusts the air cushion at both ends to decelerate the piston near stroke end. The cushion is not a brake, and the cylinder drifts on air loss, so use a pilot check valve to hold a load. This non-S SKU has no magnet for sensors.
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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