Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X60-20TC
The AirTAC Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X60-20TC is a genuine double acting, adjustable stroke JIS-standard air cylinder with a Ø50mm bore and 60mm 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
- Stroke60 mm
- Port sizeG1/4
- Acting typeDouble acting, adjustable stroke
- Rod threadM18×1.5
- CushionAdjustable, 20.5 mm
About the Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X60-20TC
Delivering 982 N of push force at 0.5 MPa, this 50 mm bore JIS profile cylinder brings compact power to tight assemblies. Its hard-anodized extruded aluminium barrel is noticeably shorter than a same-bore ISO 15552 unit, saving machine footprint without sacrificing strength. The G1/4 port keeps air flow responsive across the 30-800 mm/s speed range.
The -20 code means an external adjuster can shorten the extend stroke on-site by up to 20 mm, dropping the usable forward travel from the 60 mm maximum down to 40 mm. This lets you fine-tune the end position mechanically without swapping the cylinder. Based on the 0.5 MPa rating, it handles about 589 N of real work, which translates to lifting roughly 50 kg vertically with a 2:1 safety margin. Note that this SKU lacks a magnet and cannot take a CMSE/DMSE sensor.
Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X60-20TC Technical Specifications
| Model | Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X60-20TC |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø50 mm |
| Stroke | 60 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 JSIJ50X60-20TC
| JSIJ | JIS-standard profile cylinder (adjustable-stroke type). |
|---|---|
| 50 | Bore size in mm (32 / 40 / 50 / 63 / 80 / 100 / 125). |
| ×60 | 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 JSIJ50X60-20TC Is Used
Short-Stroke Clamping
Dial in the exact clamping contact point on-site using the 20 mm adjuster window, ensuring perfect material grip without machining custom spacers.
Transfer Diverter
Fit the compact JIS body into a tight 50 mm bore transfer station, using the TC mount to pivot and deflect packages smoothly.
Benchtop Press
Press lightweight bearings or pins with 589 N of safe working force, tweaking the bottoming height mechanically as part thickness varies.
Is the Airtac JSIJ32~50 Adjustable Cylinder JSIJ50X60-20TC the Right Cylinder?
When sizing, the 63 mm bore offers a substantial jump to 1559 N push at 0.5 MPa, while the 40 mm bore drops to 628 N if you need a lighter footprint. The adjustable stroke is ideal for sharing a single spare across multiple stroke variants or finalizing end positions during machine commissioning. This model ships with a TC clevis mount, and the broader JSIJ family supports FA, LB, TCM1, and TCM2 brackets. Because the 60 mm stroke is short, side-load risks are minimal, but for any stroke over 300 mm always use external guide rails to prevent rod binding. Remember the air cushion only decelerates the piston; use an external rod lock or pilot-operated check valve to hold a suspended load.
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 JSIJ50X60-20TC FAQ
This 50 mm bore cylinder uses a G1/4 port and generates 982 N push / 825 N pull at 0.5 MPa, and 1374 N push / 1154 N pull at 0.7 MPa. Its theoretical maximum force is 200 kgf at 1.0 MPa.
The 60 mm nominal stroke is the maximum forward travel. The external adjuster lets you shorten the extend stroke on-site by up to 20 mm, giving a usable range of 40 to 60 mm. The retract end remains fixed, and the adjuster only sets the end position rather than locking the load.
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