Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X75-10S
The AirTAC Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X75-10S is a genuine double acting, adjustable stroke JIS-standard air cylinder with a Ø50mm bore and 75mm stroke, G1/4 air ports and adjustable end cushioning. Its no-tie-rod, hard-anodized profile barrel is more compact than an ISO 15552 cylinder of the same bore — a space-saver on tight machines.
- BoreØ50 mm
- Stroke75 mm
- Port sizeG1/4
- Acting typeDouble acting, adjustable stroke
- Rod threadM18×1.5
- CushionAdjustable, 20.5 mm
About the Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X75-10S
Delivering 982 N of push force at 0.5 MPa, this 50 mm bore JIS profile cylinder features a hard-anodized aluminum barrel that is noticeably shorter than a same-bore ISO 15552 unit. The integrated -S magnet allows CMSE or DMSE switches to drop directly into the side grooves for precise position detection. Air connects via a G1/4 port, while an M18x1.5 rod thread and 20.5 mm adjustable cushions handle the mechanical interface and end-of-stroke deceleration.
The external stop screw lets you shorten the extend stroke on-site by up to 10 mm, giving a usable range of 65 to 75 mm without changing the cylinder itself. This on-site tuning is ideal for dialing in exact end positions, and the mechanism sets the travel limit rather than locking the load. In practical terms, it handles about 589 N of safe working load, which translates to roughly 50 kg lifted vertically with a 2:1 safety margin.
Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X75-10S Technical Specifications
| Model | Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X75-10S |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø50 mm |
| Stroke | 75 mm |
| Acting type | Double acting, adjustable stroke |
| Port size | G1/4 |
| Rod thread | M18×1.5 |
| 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, 20.5 mm |
| Max standard stroke | Up to 1200 mm |
Specifications follow the official AirTAC JSI (JIS standard) datasheet. Confirm against the product label before installation. Thread options: PT (blank) / G. Barrel: hard-anodized aluminum profile (no tie rods).
Theoretical Output Force (Ø50mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 982 N | 825 N |
| 0.7 MPa | 1374 N | — |
| Max (@1.0 MPa) | 200 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X75-10S
| JSIJ | JIS-standard profile cylinder (adjustable-stroke type). |
|---|---|
| 50 | Bore size in mm (32 / 40 / 50 / 63 / 80 / 100 / 125). |
| ×75 | Stroke length in mm. |
| -S | Optional built-in magnet for CMSE / DMSE sensors. |
JSI-family variants: JSI (double acting), JSID (double rod), JSIJ (adjustable stroke). Mounting: LB / FA / FB / CA / CB / CR / TC / TCM1 / TCM2. Thread PT (blank) / G.
Where the Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X75-10S Is Used
Precision Feeder Alignment
Dial in the exact 65 to 75 mm extend position on-site to push parts into a machining center without re-mounting the actuator.
Packaging Stopper Gate
Fine-tune the extend stop to accommodate varying carton depths on a packaging line while using the magnet for cycle confirmation.
Light Press Assembly
Apply up to 589 N of safe working force to seat small bearings or clips, adjusting the final end position by up to 10 mm.
Is the Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X75-10S the Right Cylinder?
When sizing this actuator, the 50 mm bore sits comfortably between the smaller 40 mm option (which provides 628 N push at 0.5 MPa) and the larger 63 mm variant (offering 1559 N). The adjustable stroke proves invaluable when you need to fine-tune end positions on the machine or want a single shared spare across slightly different stroke variants. You can mount it using FA, LB, TC, TCM1, or TCM2 brackets. Because this SKU includes the -S magnet, it readily accepts CMSE/DMSE sensors. For any application with a stroke of 300 mm or more, always guide the load to prevent excessive side-load wear on the rod seals.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT / G / NPT)
- ✓ Magnet (-S) for sensors?
- ✓ Side load — consider a guided cylinder
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 Set cushions to minimum, then release gradually.
- check Use correct mounting accessory (LB/FA/FB/CA/CB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X75-10S FAQ
At 0.5 MPa it provides 982 N push and 825 N pull. At 0.7 MPa it delivers 1374 N push and 1154 N pull. The theoretical maximum force is 200 kgf at 1.0 MPa. The air port size is G1/4.
The nominal 75 mm extend stroke is the maximum. An external stop screw lets you shorten the extend travel by up to 10 mm on-site, yielding a usable range of 65 to 75 mm. The retract end remains fixed, and this stop sets the end position rather than holding the load.
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