Airtac SCJ32 Standard Cylinder SCJ32X350-75S
The AirTAC Airtac SCJ32 Standard Cylinder SCJ32X350-75S 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, 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 SCJ32X350-75S
The SCJ32X350-75S is a 32mm bore double-acting single-rod cylinder with a 75mm rear stroke-end adjustment range, allowing the effective stroke to be fine-tuned from 275mm up to the nominal 350mm without changing the cylinder body. At 0.5 MPa it delivers 402 N of push force and 345 N on the pull stroke, making it a compact yet capable actuator for mid-reach positioning tasks.
This model includes a built-in magnet (suffix -S), so CMSG/DMSG/EMSG solid-state or reed sensors can be clamped directly onto the tie-rod barrel for non-contact end-of-stroke detection. The 12mm diameter piston rod and PT1/8 port thread keep the envelope small, while the 21mm air cushion at each end protects the end caps during high-cycle operation.
Airtac SCJ32 Standard Cylinder SCJ32X350-75S Technical Specifications
| Model | Airtac SCJ32 Standard Cylinder SCJ32X350-75S |
|---|---|
| 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 SCJ32X350-75S
| 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 SCJ32X350-75S Is Used
Commissioning & Setup
Fine-tune the end-of-stroke position during machine commissioning without swapping cylinders or machining custom stops, saving setup time on new automation cells.
Wear Compensation
On packaging lines, the 75mm adjustment range can take up mechanical wear in linkages or gripper fingers, maintaining consistent product placement over millions of cycles.
Format Changeover
Quickly dial in a new stroke end when changing product sizes on a small assembly machine, avoiding the downtime of a full cylinder swap.
Is the Airtac SCJ32 Standard Cylinder SCJ32X350-75S the Right Cylinder?
Choose the SCJ32 when a 32mm bore provides sufficient force and the application demands field-adjustable stroke end position, such as commissioning a new fixture or accommodating part tolerance stack-up. If more push force is needed, stepping up to the 40mm bore provides 628 N at 0.5 MPa. For fixed-stroke applications where the adjustment screw is unnecessary, the standard SC32 cylinder is a simpler alternative. A direct replacement must match the 32mm bore, 350mm nominal stroke, 75mm adjust range, PT port thread, and the built-in magnet option.
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 SCJ32X350-75S FAQ
At the standard 0.5 MPa operating pressure, 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.
A screw in the rear end cap sets the retracted stroke end position. Turning the screw allows you to shorten the stroke by up to 75mm from the nominal 350mm, providing a field-adjustable mechanical stop without affecting the cylinder's bore or force output.
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