Airtac SCJ32 Standard Cylinder SCJ32X75-30S
The AirTAC Airtac SCJ32 Standard Cylinder SCJ32X75-30S is a genuine double-acting SINGLE-ROD air cylinder with a rear-cap ADJUSTING SCREW: the stroke end is field-adjustable within a 30 mm range without swapping the cylinder. Ø32mm bore, 75mm nominal stroke, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Nominal stroke75 mm
- Stroke adjust-30 mm
- Port sizePT1/8
- Rod threadM10×1.25
- CushionAdjustable, 21 mm
About the Airtac SCJ32 Standard Cylinder SCJ32X75-30S
The SCJ32X75-30S is a double-acting, single-rod cylinder with a 30 mm rear stroke-end adjustment, letting you fine-tune the piston stop without changing the unit. At 0.5 MPa, it delivers 402 N push and 345 N pull, driven by a 12 mm rod through PT1/8 ports.
This model includes a built-in magnet, so CMSG/DMSG/EMSG sensors clamp directly onto the tie-rod barrel for reliable end-of-stroke detection. The 21 mm air cushion at each end decelerates the piston smoothly, and the body length A is 182 mm.
Airtac SCJ32 Standard Cylinder SCJ32X75-30S Technical Specifications
| Model | Airtac SCJ32 Standard Cylinder SCJ32X75-30S |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø32 mm |
| Nominal stroke | 75 mm |
| Stroke adjustment | Up to 30 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 SCJ32X75-30S
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×75 | Nominal (maximum) stroke length in mm. |
| -30 | 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 SCJ32X75-30S Is Used
Commissioning Fine-Tuning
During machine setup, the 30 mm screw adjustment lets technicians dial in the exact stroke end for gripper or pusher mechanisms without swapping cylinders.
Small-Part Diverting
On a packaging line, adjust the stroke to accommodate different box widths, ensuring a compact 32 mm bore actuator consistently pushes items onto the correct lane.
Wear Compensation
In repetitive clamping fixtures, the adjustable stroke end takes up mechanical wear on contact surfaces over time, maintaining consistent clamping pressure without reprogramming.
Is the Airtac SCJ32 Standard Cylinder SCJ32X75-30S the Right Cylinder?
Choose the SCJ32 when you need a compact adjustable stroke up to 75 mm nominal. If your load demands more force, step up to the SCJ40, which provides 628 N of push at the same 0.5 MPa pressure. A fixed-stroke SC32 is a better fit when the end position never changes and you want the simplest possible setup. For direct replacement, match the 32 mm bore, 75 mm nominal stroke, 30 mm adjust range, PT ports, basic mount, and the magnet option (-S) to retain sensor compatibility.
Adjustable-stroke checklist
- ✓ Need to fine-tune stroke on the line?
- ✓ Nominal stroke + adjust range (-30)
- ✓ 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 SCJ32X75-30S FAQ
At the standard 0.5 MPa operating pressure, it generates 402 N of pushing force and 345 N of pulling force. The maximum push force at 0.9 MPa is 724 N.
A screw in the rear cap sets the stroke end position within a 30 mm range. Turning the screw shortens the effective stroke from the nominal 75 mm down to a minimum of 45 mm, without affecting the cylinder's bore or force output.
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