
The AirTAC Airtac JSID Double Rod Cylinder JSID63X75 is a genuine double acting, double rod JIS-standard air cylinder with a Ø63mm bore and 75mm 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.
Delivering 1402 N of thrust in both directions at 0.5 MPa, this 63 mm bore double-rod actuator uses a single internal piston with a rod exiting each cover. The symmetric layout creates an identical pressure area on both faces, ensuring push and pull forces remain perfectly matched. This configuration naturally resists torsion and provides anti-rotation guidance for rigid payloads. It offers a safe working load of about 841 N, which translates to lifting roughly 71 kg vertically with a 2:1 safety margin.
Built to JIS standards, the extruded hard-anodized aluminum profile barrel makes this unit shorter and more compact than an ISO 15552 cylinder of the same bore. It features a 20 mm piston rod, an M18x1.5 rod-end thread, and a G3/8 air port. Adjustable 29 mm air cushions at both ends tame kinetic energy near stroke extremes. Note this specific SKU lacks a magnet and cannot accept position sensors; choose the -S variant for CMSE/DMSE switches.
| Model | Airtac JSID Double Rod Cylinder JSID63X75 |
|---|---|
| Series | JSI JIS-standard profile cylinder |
| Bore size | Ø63 mm |
| Stroke | 75 mm |
| Acting type | Double acting, double rod |
| 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 | Force (both ways) | — |
|---|---|---|
| 0.5 MPa | 1402 N | 1402 N |
| 0.7 MPa | 1962 N | 1962 N |
| Max (@1.0 MPa) | 318 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). |
|---|---|
| 63 | 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.
Drives two opposing machining heads simultaneously with identical 1402 N force, keeping the cutting cycle perfectly synchronized.
Uses the dual rods to push and pull a diverting gate from both ends, ensuring the mechanism tracks straight without twisting under load.
Lifts roughly 71 kg of payload using the equal pull-side area, maintaining a stable vertical load path through both cover ends.
This 63 mm bore sits comfortably in the middle of the range, bracketed by the 50 mm option delivering 825 N each way and the larger 80 mm unit providing 2268 N. Select a double-rod design when your mechanism demands anti-rotation stability, needs to drive twin tooling stations simultaneously, or requires a symmetric load path to prevent side-loading. Mounting options include Basic, FA, LB, TC, TCM1, and TCM2 brackets. Because this is a non-magnetized model, direct switch mounting is impossible; specify an -S suffix if you require CMSE/DMSE sensing. For any application exceeding 300 mm of stroke, always incorporate external linear guides to support the rod and prevent binding.
Quick checklist
Because the 20 mm rod passes through both covers, force is equal in both directions: 1402 N at 0.5 MPa and 1962 N at 0.7 MPa. The theoretical maximum is 286 kgf at 1.0 MPa. This unit uses a G3/8 air port.
No. A plain double-rod cylinder drifts when air is lost or the valve is centered; the 29 mm adjustable cushions only decelerate the piston near the end caps. To hold a load securely, install an external rod lock or a pilot-operated check valve.
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