Airtac SCJ32 Standard Cylinder SCJ32X500-75S
The AirTAC Airtac SCJ32 Standard Cylinder SCJ32X500-75S 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, 500mm nominal stroke, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Nominal stroke500 mm
- Stroke adjust-75 mm
- Port sizePT1/8
- Rod threadM10×1.25
- CushionAdjustable, 21 mm
About the Airtac SCJ32 Standard Cylinder SCJ32X500-75S
The SCJ32X500-75S is a 32mm bore, double-acting single-rod cylinder with a rear adjusting screw that provides up to 75mm of field-adjustable stroke reduction. This lets you fine-tune the end position from 425mm to 500mm without swapping the cylinder. At 0.5 MPa, it delivers 402 N of push force and 345 N of pull force, making it a compact workhorse for light positioning and clamping tasks.
This model includes a built-in magnet (-S suffix), allowing CMSG, DMSG, or EMSG sensors to be clamped directly onto the tie-rod barrel for non-contact position sensing. The 12mm diameter piston rod features an M10x1.25 thread, and the body length (A dimension) is 182mm. It uses PT1/8 ports and operates on filtered air from 0.15 to 1.0 MPa, with a standard speed range of 30-800 mm/s.
Airtac SCJ32 Standard Cylinder SCJ32X500-75S Technical Specifications
| Model | Airtac SCJ32 Standard Cylinder SCJ32X500-75S |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø32 mm |
| Nominal stroke | 500 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 SCJ32X500-75S
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×500 | 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 SCJ32X500-75S Is Used
Commissioning & Setup
Field engineers can quickly dial in the exact stroke end position during machine commissioning, compensating for assembly tolerances without needing to order multiple fixed-stroke cylinders.
Product Format Changeover
On packaging lines, the 75mm adjustment range allows operators to reset a pusher or stop gate for different box sizes in minutes, minimizing downtime between production runs.
Wear Compensation
In clamping fixtures, the adjusting screw can be periodically advanced to take up mechanical wear on contact pads, maintaining consistent clamping force over thousands of cycles.
Is the Airtac SCJ32 Standard Cylinder SCJ32X500-75S the Right Cylinder?
Choose the SCJ32X500-75S when you need a 500mm maximum stroke with the ability to shorten it by up to 75mm during commissioning or changeovers. If the 402 N push force at 0.5 MPa is insufficient, stepping up to the 40mm bore provides 628 N of push force. For applications requiring a fixed, non-adjustable stroke, the standard SC32 series is a more economical choice. This cylinder is a direct replacement for another AirTAC SCJ32 with a 500mm nominal stroke and a 75mm adjustment range, matching PT ports and the S magnet option. For a 500mm stroke, always ensure the rod is supported against side loads; consider an external guide rail or a guided cylinder if lateral forces are present.
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 SCJ32X500-75S FAQ
A screw in the rear cap acts as an internal stop for the piston. Turning the screw changes the retracted end position, effectively shortening the stroke by up to 75mm from the 500mm maximum. It does not change the cylinder's bore or force output.
At the standard operating pressure of 0.5 MPa, the push force is 402 N and the pull force is 345 N. At the maximum operating pressure of 1.0 MPa, the theoretical push force reaches 804 N. The pull force is lower due to the area of the 12mm piston rod.
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