
The AirTAC Airtac JSIJ32~50 Adjustable Cylinder JSIJ40X600-10 is a genuine double acting, adjustable stroke JIS-standard air cylinder with a Ø40mm bore and 600mm 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.
Delivering 628 N of push force at 0.5 MPa, this 40 mm bore JIS profile cylinder is built for applications needing exact end-position tuning on site. Its hard-anodized aluminium barrel makes it shorter and more compact than a same-bore ISO 15552 unit. The G1/4 port drives a 30-800 mm/s speed range, handling a safe working load of about 377 N, which translates to lifting roughly 32 kg vertically with a 2:1 margin.
The external stop screw lets you shorten the extend stroke by up to 10 mm, giving a usable range of 590-600 mm without changing the cylinder body. Because this 600 mm stroke is relatively long, use external guides to prevent rod bending under side loads. Note that this specific SKU lacks a magnet, so it cannot take CMSE or DMSE sensors without the -S variant. The 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 JSIJ32~50 Adjustable Cylinder JSIJ40X600-10 |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø40 mm |
| Stroke | 600 mm |
| Acting type | Double acting, adjustable stroke |
| Port size | G1/4 |
| Rod thread | M14×1.5 |
| 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).
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 628 N | 528 N |
| 0.7 MPa | 880 N | — |
| Max (@1.0 MPa) | 128 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| JSIJ | JIS-standard profile cylinder (adjustable-stroke type). |
|---|---|
| 40 | 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.
Fine-tune the extend stop within a 590-600 mm window on a long-feed conveyor to perfectly align parts without machining new hard stops.
Lower a 32 kg fixture using the 628 N thrust class, relying on the adjustable 20.5 mm air cushions to decelerate the load smoothly at the end of travel.
Fit a long 600 mm ejection stroke into a tight machine cell, exploiting the shorter JIS profile barrel to save valuable floor space.
When sizing this unit, a 32 mm bore provides 402 N push at 0.5 MPa for lighter duties, while stepping up to a 50 mm bore yields 982 N for heavier cycles. The 10 mm adjustable window is ideal for sharing one spare across multiple stroke variants or fine-tuning the final extended position on the machine. You can mount it via FA, LB, TC, TCM1, or TCM2 brackets. For this 600 mm stroke, always support the load with external guides to avoid rod bending. As a non-magnetised model, it cannot accept position sensors; specify the -S version if you need CMSE or DMSE switches.
Quick checklist
At 0.5 MPa it provides 628 N push and 528 N pull. At 0.7 MPa it provides 879 N push and 739 N pull. The theoretical maximum force is 128 kgf at 1.0 MPa. The air port size is G1/4.
The nominal stroke is 600 mm, which is the maximum extend length. The external adjuster lets you shorten the extend stroke on-site by up to 10 mm, giving a usable range of 590-600 mm. The retract end remains fixed, and the adjuster sets the end position rather than locking the load.
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