
The AirTAC JSID Double Rod Cylinder JSID40X175S is a genuine double acting, double rod JIS-standard air cylinder with a Ø40mm bore and 175mm 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 528 N of thrust in both directions at 0.5 MPa, this double-acting JIS profile cylinder uses a twin-rod design where a single piston drives a shaft out of both end covers. Because the pressure area is identical on each face, push and pull forces remain perfectly equal. This symmetric load path resists torsion and provides non-rotating anti-twist guidance for delicate mechanisms. The extruded hard-anodized aluminum barrel keeps the unit shorter and more compact than a same-bore ISO 15552 cylinder.
With a 40 mm bore, 175 mm stroke, and G1/4 air port, the unit features adjustable 20.5 mm air cushions at both ends to smooth out deceleration. The built-in -S piston magnet allows CMSE or DMSE switches to drop directly into the side sensor grooves for precise position detection.
| Model | Airtac JSID Double Rod Cylinder JSID40X175S |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø40 mm |
| Stroke | 175 mm |
| Acting type | Double acting, double rod |
| 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 | 528 N | 528 N |
| 0.7 MPa | 739 N | 739 N |
| Max (@1.0 MPa) | 108 kgf | |
Double-rod: the rod passes through both covers, so output force is equal in both directions.
| JSID | JIS-standard profile cylinder (double-rod type). |
|---|---|
| 40 | Bore size in mm (32 / 40 / 50 / 63 / 80 / 100 / 125). |
| ×175 | 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.
Drives two parallel pick-and-place grippers from opposite rod ends to transfer wafers or electronics between stations with perfectly synchronized motion.
Uses the symmetric double-rod geometry to guide and press a flat web material without the shaft twisting, ensuring a perfectly straight edge fold.
Uses the rear protruding rod as a mechanical cam to trigger external limit valves while the front rod performs the primary work stroke.
When sizing this double-rod unit, look at the adjacent bores: the smaller 32 mm bore yields 345 N both ways at 0.5 MPa, while the larger 50 mm bore provides 825 N. Choose the 40 mm bore when your application requires balanced push and pull forces, symmetric load distribution, or twin tooling driven simultaneously from both rod ends. Mounting options include Basic, FA, LB, TC, TCM1, and TCM2. The -S suffix indicates the magnet is present for CMSE/DMSE sensors. For this 175 mm stroke, ensure external guide rails are used to absorb any lateral side loads and prevent binding. Remember that a plain cylinder drifts on air loss; use an external rod lock or pilot-operated check valve if you need to hold a load securely.
Quick checklist
Because it is a double-rod cylinder, force is equal in both directions using the rod-side area. It outputs 528 N at 0.5 MPa and 739 N at 0.7 MPa each way, with a theoretical max of 108 kgf at 1.0 MPa. It operates at 30-800 mm/s, accepts a G1/4 port, and has an M14x1.5 rod thread.
No, a plain cylinder will drift and cannot hold a load without live air. The adjustable 20.5 mm cushions only decelerate the piston near the stroke ends. To maintain a vertical position securely, you must install an external rod lock or a pilot-operated check valve.
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