Airtac MIJ Adjustable Cylinder MIJ8X75-30S
The AirTAC Airtac MIJ Adjustable Cylinder MIJ8X75-30S is a genuine double acting, adjustable stroke round-body mini air cylinder with a Ø8mm bore and 75mm 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
- Stroke75 mm
- Port sizeM5×0.8
- Acting typeDouble acting, adjustable stroke
- Rod threadM4×0.7
- CushionFixed TPU bumper pads
About the Airtac MIJ Adjustable Cylinder MIJ8X75-30S
Dial in a precise forward end position on-site with the AirTAC MIJ8X75-30S, a round-body stainless steel mini cylinder that lets an external stop screw shorten the extend stroke by up to 30 mm. Because it is double-acting, you get consistent thrust in both directions, while the retract distance remains at the full 75 mm. The built-in piston magnet (-S) directly supports CMSG, DMSG, and EMSG position switches.
At 0.5 MPa, this Ø8 bore generates 25.1 N of push force and 18.8 N of pull force, translating to a safe working load of roughly 15 N or a vertical lift of about 1.3 kg with a 2:1 margin. The riveted stainless barrel and rod resist mild corrosion and washdown environments. It conforms to the ISO 6432 mounting interface for easy bracket drops, uses an M5x0.8 air port, and relies on fixed TPU bumper pads to decelerate the stroke end.
Airtac MIJ Adjustable Cylinder MIJ8X75-30S Technical Specifications
| Model | Airtac MIJ Adjustable Cylinder MIJ8X75-30S |
|---|---|
| Series | MIJ ISO 6432 mini cylinder |
| Bore size | Ø8 mm |
| Stroke | 75 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 MIJ8X75-30S
| MIJ | ISO 6432 round-body mini cylinder (adjustable-stroke). |
|---|---|
| 8 | Bore size in mm. |
| ×75 | 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 MIJ8X75-30S Is Used
Light-Part Ejector
Blows small plastic components off a belt; the 30 mm extend stop screw dials in the exact push distance to avoid hitting the tooling, operating well within the 15 N safe working load.
Micro-Clamp Actuator
Secures delicate electronic sub-assemblies during a soldering process, using the 1.3 kg vertical lift margin and fixed TPU bumpers to prevent impact damage.
Changeover Sorting Gate
Pivots a lightweight diverter flap for product family changeovers, allowing operators to fine-tune the extend endpoint on the fly without changing the cylinder.
Is the Airtac MIJ Adjustable Cylinder MIJ8X75-30S the Right Cylinder?
When sizing this unit, consider that the smaller MIJ series lacks a bore below Ø8, while the next size up, the Ø10, raises the 0.5 MPa push force to 39.3 N. The 30 mm adjustment window is highly useful for taking up mechanical tolerances or staging feeds, letting one part number cover several intermediate stops without swapping cylinders. Remember that the stop screw only trims the extend end; it does not function as a mid-stroke lock.
This SKU includes the -S magnet for CMSG/DMSG/EMSG sensors, but the SDB pivot-block mounting is not available on this adjustable variant. You can use LB foot, FA flange, or TC trunnion mounts. Because a standard cylinder drifts on air loss, add an external rod lock or pilot check valve if your application requires strict load holding.
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 MIJ8X75-30S FAQ
This Ø8 bore cylinder features an M5x0.8 air port. It delivers 25.1 N push and 18.8 N pull at 0.5 MPa, 35.2 N push and 26.4 N pull at 0.7 MPa, with a theoretical maximum force of 5.1 kgf at 1.0 MPa.
An external stop screw shortens the extend stroke by up to 30 mm, giving a usable forward range of 45-75 mm; the retract stroke remains fixed at the full 75 mm. The -S suffix means a piston magnet is built-in for CMSG/DMSG/EMSG sensors, and the stainless construction provides mild washdown resistance.
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