Airtac SCJ32 Standard Cylinder SCJ32X80-75S
The AirTAC Airtac SCJ32 Standard Cylinder SCJ32X80-75S 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, 80mm nominal stroke, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Nominal stroke80 mm
- Stroke adjust-75 mm
- Port sizePT1/8
- Rod threadM10×1.25
- CushionAdjustable, 21 mm
About the Airtac SCJ32 Standard Cylinder SCJ32X80-75S
The SCJ32X80-75S is a compact double-acting single-rod cylinder that puts stroke-end adjustment directly in your hands. Its rear-cap screw provides a 75 mm field-adjustable range, letting you fine-tune the 80 mm nominal stroke for commissioning trials or format changes without adding external hard stops. The 12 mm rod and PT1/8 ports keep the unit lightweight while delivering 402 N of push force at 0.5 MPa.
A built-in magnet (the -S suffix) allows CMSG, DMSG, or EMSG sensors to clamp directly onto the tie-rod barrel for reliable end-of-stroke sensing. With a body length of 182 mm and a 21 mm air cushion, this cylinder fits neatly into space-constrained automation cells where every millimetre of stroke must be dialled in precisely.
Airtac SCJ32 Standard Cylinder SCJ32X80-75S Technical Specifications
| Model | Airtac SCJ32 Standard Cylinder SCJ32X80-75S |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø32 mm |
| Nominal stroke | 80 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 SCJ32X80-75S
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×80 | 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 SCJ32X80-75S Is Used
Commissioning & Setup
Dial in the exact stroke end position during machine bring-up without machining custom stops. The 75 mm adjustment range lets technicians fine-tune the actuator throw on the fly.
Small-Part Diverting
Adjust the push stroke of a diverter gate to match different product widths. The 402 N push force at 0.5 MPa handles light sorting and gating tasks reliably.
Wear Compensation
Take up mechanical play in linkages or gripper fingers over time. A quick turn of the rear screw restores the original stroke end position without disassembling the tooling.
Is the Airtac SCJ32 Standard Cylinder SCJ32X80-75S the Right Cylinder?
Choose the SCJ32 when your application needs up to 724 N of push force at 0.9 MPa and you value the ability to tweak the stroke end on the machine. If you need more force, step up to the SCJ40, which provides 628 N of push at 0.5 MPa. For applications where the stroke is fixed and never changes, the standard SC32 fixed-stroke cylinder is a simpler, more cost-effective alternative.
To replace this unit, match the 32 mm bore, 80 mm nominal stroke, 75 mm adjust range, PT port thread, and the built-in magnet. This model uses the basic mounting style; if you need a pivoting mount, consider the TC centre trunnion option. For strokes of 300 mm or more, evaluate side-loading on the 12 mm rod and consider adding an external guide rail to prevent bending.
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 SCJ32X80-75S FAQ
At 0.5 MPa, it delivers 402 N pushing and 345 N pulling (the difference is due to the single rod). At the maximum operating pressure of 1.0 MPa, the theoretical push force reaches 804 N.
Yes, if you need the adjustable stroke feature. Ensure the replacement matches the 32 mm bore, 80 mm nominal stroke, PT ports, and the -S magnet option. The SCJ body is slightly longer than the fixed-stroke SC to house the adjusting screw.
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