Airtac SCJ32 Standard Cylinder SCJ32X350-75
The AirTAC Airtac SCJ32 Standard Cylinder SCJ32X350-75 is a genuine double-acting SINGLE-ROD air cylinder with a rear-cap ADJUSTING SCREW: the stroke end is field-adjustable within a 75 mm range without swapping the cylinder. Ø32mm bore, 350mm nominal stroke, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Nominal stroke350 mm
- Stroke adjust-75 mm
- Port sizePT1/8
- Rod threadM10×1.25
- CushionAdjustable, 21 mm
About the Airtac SCJ32 Standard Cylinder SCJ32X350-75
The SCJ32X350-75 is a double-acting, single-rod pneumatic cylinder offering a nominal 350 mm stroke with a 75 mm rear-end adjustment range. This allows precise, on-machine fine-tuning of the stroke end position without replacing the cylinder or adding external hard stops. With a 12 mm diameter piston rod and PT1/8 ports, it delivers a push force of 402 N at 0.5 MPa, scaling up to 724 N at its 0.9 MPa maximum operating pressure.
Its tie-rod construction provides a robust and serviceable design, with a body length A of 182 mm plus the stroke. The adjustable screw mechanism is ideal for commissioning trials, accommodating wear in tooling, or making quick format changeovers on compact automation equipment. This model comes in the basic configuration with TPU seals, NPT threads, and no magnet, ready for standard industrial air service.
Airtac SCJ32 Standard Cylinder SCJ32X350-75 Technical Specifications
| Model | Airtac SCJ32 Standard Cylinder SCJ32X350-75 |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø32 mm |
| Nominal stroke | 350 mm |
| Stroke adjustment | Up to 75 mm (rear adjusting screw) |
| Acting type | Double acting (single rod) |
| Port size | PT1/8 |
| Rod thread | M10×1.25 |
| 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, 21 mm |
| Max stroke | Up to 1000 mm |
Specifications follow the official AirTAC SCJ (adjustable-stroke) datasheet. The rear adjusting screw sets the stroke end position; force is the same as the equivalent single-rod SC bore. Confirm against the product label before installation. Thread options: PT (standard) / G.
Theoretical Output Force (Ø32mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | — |
| Max (@1.0 MPa) | 82 kgf | |
SCJ is single-rod, so force matches the equivalent SC bore: push uses the full bore area, pull subtracts the rod area. Actual usable force is lower than theoretical due to friction and back-pressure; size with a safety margin.
Model Code: Airtac SCJ32 Standard Cylinder SCJ32X350-75
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×350 | Nominal (maximum) stroke length in mm. |
| -75 | Adjustable-stroke range in mm (options 10/20/30/40/50/75/100). |
| -S | Optional built-in magnet for sensor position sensing. |
Related types: SC (single rod, fixed stroke), SCD (double rod), SCT (multi-position). SCJ mounting: Basic, FA, LB, TC, TCM1. Seals: TPU standard / H = Viton / N = NBR. Thread: blank = PT, G = G thread.
Where the Airtac SCJ32 Standard Cylinder SCJ32X350-75 Is Used
Commissioning & Setup
Fine-tune the end-stop position during initial machine bring-up without fabricating custom shims or mechanical stops, saving significant setup time.
Product Format Changeover
Quickly adjust a pusher or diverter stroke on a packaging line when switching between different box or product sizes, minimizing downtime.
Wear Compensation
Compensate for gradual wear on contact tooling or gripper pads over time by simply advancing the stroke end, maintaining consistent part engagement.
Is the Airtac SCJ32 Standard Cylinder SCJ32X350-75 the Right Cylinder?
Choose the SCJ32X350-75 when your application demands a mid-range stroke with the ability to dial in the exact end position during setup. If you need more force, stepping up to the 40 mm bore provides 628 N of push force at the same 0.5 MPa pressure. For applications where the stroke is fixed and never needs adjustment, the standard SC32X350 fixed-stroke cylinder is a more economical choice. As a direct replacement, this unit matches any AirTAC SCJ32 with a 350 mm stroke, 75 mm adjust range, PT ports, and basic mounting. For strokes of 300 mm or greater, be mindful of side loads on the 12 mm rod; an external guide rail or a guided cylinder is recommended to prevent rod bending and ensure long seal life.
Adjustable-stroke checklist
- ✓ Need to fine-tune stroke on the line?
- ✓ Nominal stroke + adjust range (-75)
- ✓ Required force at your working pressure
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Set the rear adjusting screw, then lock it before running.
- check Adjust end cushion screws for smooth stops.
- check Use SCJ mounting accessory (FA / LB / TC / TCM1).
- check Installation by qualified personnel per AirTAC docs.
Airtac SCJ32 Standard Cylinder SCJ32X350-75 FAQ
A rear-cap adjusting screw sets the retract end position of the piston. Turning the screw shortens the effective stroke by up to 75 mm from the 350 mm nominal maximum, allowing you to precisely limit how far the rod extends without altering the cylinder's mounting.
At the standard 0.5 MPa operating pressure, the push force is 402 N and the pull force is 345 N. The maximum push force at the 0.9 MPa limit is 724 N. Because it is a single-rod cylinder, the push force is always greater than the pull force.
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