
The AirTAC JSIJ63~80 Adjustable Cylinder JSIJ63X600-100S is a genuine double acting, double rod, adjustable stroke JIS-standard air cylinder with a Ø63mm bore and 600mm stroke, G3/8 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.
The hard-anodized aluminum extruded barrel skips external rods, and the G3/8 port feeds a 20 mm piston rod with an M18x1.5 thread. Because this SKU carries the -S suffix, a built-in piston magnet lets you drop CMSE or DMSE reed and electronic switches directly into the side grooves for precise position detection.
The -100 code means an external stop screw lets you shorten the extend stroke on-site by up to 100 mm, giving a usable forward travel of 500 to 600 mm without swapping the actuator. You can fine-tune the end position right at the machine, and the retract end remains fixed. Note that the 29 mm adjustable air cushions only decelerate the piston near the ends; they do not hold the load on air loss, so fit an external rod lock or pilot-operated check valve for vertical holding.
| Model | Airtac JSIJ63~80 Adjustable Cylinder JSIJ63X600-100S |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø63 mm |
| Stroke | 600 mm |
| Acting type | Double acting, double rod, adjustable stroke |
| Port size | G3/8 |
| 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, 29 mm |
| Max standard stroke | Up to 1500 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).
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 1402 N | 1402 N |
| 0.7 MPa | 1962 N | 1962 N |
| Max (@1.0 MPa) | 286 kgf | |
JSIJ is double-rod: the rear rod that carries the stroke adjuster passes through the rear cover, so both piston faces lose rod area. Push is shown at the annular-area value (conservative).
| JSIJ | JIS-standard profile cylinder (adjustable-stroke type). |
|---|---|
| 63 | Bore size in mm (32 / 40 / 50 / 63 / 80 / 100 / 125). |
| ×600 | 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.
Dial in the exact 500 to 600 mm push distance on a packaging line to push varied box sizes without changing the cylinder.
Use the 100 mm extend window to set precise lower end positions for a medium-force pressing task before the retract cycle.
Fine-tune the stopper location on the fly to accommodate different pallet depths while benefiting from the compact JIS profile.
The adjustable stroke window is a major advantage if you want to standardize one spare across several stroke variants or dial in a final end position on-site without machining. You can mount it using the FA, LB, TC, TCM1, or TCM2 brackets. Because the 600 mm stroke is long, always support the load with an external guide rail to prevent rod bending and side-load damage. The included magnet works seamlessly with CMSE/DMSE sensors.
Quick checklist
The theoretical maximum force is 318 kgf at 1.0 MPa. It uses a G3/8 port and a 20 mm rod.
The nominal stroke is 600 mm, which is the maximum forward travel. An external adjuster screw lets you shorten the extend stroke on-site by up to 100 mm, yielding a usable range of 500 to 600 mm. The retract end is fixed, and the adjuster sets the end position rather than locking the load.
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