Airtac MIJ Adjustable Cylinder MIJ8X30-30
The AirTAC Airtac MIJ Adjustable Cylinder MIJ8X30-30 is a genuine double acting, adjustable stroke round-body mini air cylinder with a Ø8mm bore and 30mm stroke, M5×0.8 air ports and a stainless-steel barrel and rod for mildly corrosive environments. Its ISO 6432 mounting interface makes it a compact drop-in for standard mini-cylinder fixtures.
- BoreØ8 mm
- Stroke30 mm
- Port sizeM5×0.8
- Acting typeDouble acting, adjustable stroke
- Rod threadM4×0.7
- CushionFixed TPU bumper pads
About the Airtac MIJ Adjustable Cylinder MIJ8X30-30
Trimming the forward end by up to 30 mm via an external stop screw, this double-acting round-body mini cylinder lets you fine-tune the extend position on-site without changing the unit. The Ø8 mm bore runs on an M5x0.8 port with a Ø4 mm rod, delivering 25.1 N of push force at 0.5 MPa, which translates to a safe working load of roughly 15 N or about 1.3 kg of vertical lift with a 2:1 margin.
Built with a stainless-steel barrel and rod for mild washdown resistance, it conforms to the ISO 6432 mounting interface for easy bracket drops. This SKU lacks a magnet, so it cannot accept CMSG/DMSG/EMSG sensors. Fixed TPU bumper pads decelerate the stroke end, and the adjuster sets the forward stop only—it is not a mid-stroke lock.
Airtac MIJ Adjustable Cylinder MIJ8X30-30 Technical Specifications
| Model | Airtac MIJ Adjustable Cylinder MIJ8X30-30 |
|---|---|
| Series | MIJ ISO 6432 mini cylinder |
| Bore size | Ø8 mm |
| Stroke | 30 mm |
| Acting type | Double acting, adjustable stroke |
| Port size | M5×0.8 |
| Rod thread | M4×0.7 |
| 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 | Fixed TPU bumper pads |
| Max standard stroke | Up to 150 mm |
Specifications follow the official AirTAC MI/MIC (ISO 6432) datasheet. Barrel & rod: stainless steel (round-body, riveted construction). Thread options: PT (blank) / G.
Theoretical Output Force (Ø8mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 25 N | 19 N |
| 0.7 MPa | 35 N | 26 N |
| Max (@1.0 MPa) | 5 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac MIJ Adjustable Cylinder MIJ8X30-30
| MIJ | ISO 6432 round-body mini cylinder (adjustable-stroke). |
|---|---|
| 8 | Bore size in mm. |
| ×30 | Stroke length in mm. |
| -30 | 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 (adjustable stroke ±cushion). Back covers CA / U / R / CM. Mounting LB / FA / SDB / TC.
Where the Airtac MIJ Adjustable Cylinder MIJ8X30-30 Is Used
Micro-Clamp Positioning
Dial in the exact 0-30 mm extend reach for delicate clamping tasks where the 15 N safe working load prevents damaging small components.
Light-Diverter Stroke Tuning
Adjust the forward stop on the fly to redirect small packets without swapping cylinders, relying on the 25.1 N push to pivot lightweight guides.
Small-Part Ejection Setup
Fine-tune the ejection distance during changeovers, using the stainless build to withstand mildly corrosive shop environments.
Is the Airtac MIJ Adjustable Cylinder MIJ8X30-30 the Right Cylinder?
At the smallest bore in the range, there is no smaller MIJ option, so sizing up means stepping to the Ø10 bore (39.3 N push @0.5 MPa) if the 25.1 N output is insufficient. The 30 mm adjustment window is ideal for taking up mechanical tolerances or staging feeds, letting one part number cover several stop distances. Because this is a non-magnet SKU, position sensing is unavailable; choose an -S variant for CMSG/DMSG/EMSG switches.
Mounting options include LB foot, FA flange, and TC trunnion, but SDB pivot blocks are not offered on this adjustable type. Remember that the stop screw only sets the extend endpoint; the piston will drift on air loss, so fit an external pilot check valve if you need to hold a load.
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 MIJ Adjustable Cylinder MIJ8X30-30 FAQ
It features an M5x0.8 port and delivers 25.1 N push / 18.8 N pull at 0.5 MPa, and 35.2 N push / 26.4 N pull at 0.7 MPa. The theoretical maximum force is 5.1 kgf at 1.0 MPa.
An external stop screw shortens the extend stroke by up to 30 mm on-site, allowing you to set the exact forward end position while retract remains full. This SKU has no magnet, so it cannot be used with CMSG/DMSG/EMSG sensors.
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