Airtac SCJ32 Standard Cylinder SCJ32X180-30
The AirTAC Airtac SCJ32 Standard Cylinder SCJ32X180-30 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, 180mm nominal stroke, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Nominal stroke180 mm
- Stroke adjust-30 mm
- Port sizePT1/8
- Rod threadM10×1.25
- CushionAdjustable, 21 mm
About the Airtac SCJ32 Standard Cylinder SCJ32X180-30
The SCJ32X180-30 is a double-acting, single-rod pneumatic cylinder that puts a 30 mm field-adjustable stroke end at your fingertips. With a 32 mm bore and a 12 mm piston rod, it delivers 402 N of push force at 0.5 MPa, letting you dial in the exact stopping position for commissioning trials or format changeovers without swapping the cylinder.
This tie-rod cylinder uses a rear-cap adjusting screw to shorten the stroke end within its 30 mm range, while the nominal 180 mm stroke defines the maximum extension. It features a 21 mm air cushion for smooth deceleration, PT1/8 ports, and an M10x1.25 rod thread. The body length A(SCJ) is 182 mm, making it a compact solution for space-constrained adjustable-stop tasks.
Airtac SCJ32 Standard Cylinder SCJ32X180-30 Technical Specifications
| Model | Airtac SCJ32 Standard Cylinder SCJ32X180-30 |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø32 mm |
| Nominal stroke | 180 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 SCJ32X180-30
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×180 | 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 SCJ32X180-30 Is Used
Commissioning & Setup
Fine-tune the end-of-stroke position during machine bring-up without remounting the cylinder, using the 30 mm rear adjustment screw to hit the exact stop point.
Small-Part Stops & Gates
Adjust the retracted position of a product stop or diverter gate on a conveyor line to handle different package sizes, with 402 N of push force at standard line pressure.
Wear Take-Up in Clamping
Compensate for jaw or pad wear in a light clamping fixture by advancing the stroke end, maintaining consistent clamping force without replacing the actuator.
Is the Airtac SCJ32 Standard Cylinder SCJ32X180-30 the Right Cylinder?
Choose the SCJ32X180-30 when you need to fine-tune the stroke end position on the machine. If 402 N of push force is marginal, stepping up to the 40 mm bore SCJ40 provides 628 N at the same 0.5 MPa. For applications where the stroke is fixed and never needs adjustment, the standard SC32X180 is a simpler, cost-effective alternative. As a direct replacement, match the 32 mm bore, 180 mm nominal stroke, 30 mm adjust range, PT port thread, and basic mounting. For strokes of 180 mm, rod deflection is generally minimal, but if the load is not guided, consider adding an external linear guide to protect the rod and bearing from side forces.
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 SCJ32X180-30 FAQ
At 0.5 MPa, it delivers 402 N of push force and 345 N of pull force. The maximum push force at the 0.9 MPa operating limit is 724 N. The push force is higher because the single rod reduces the effective piston area on the pull side.
Yes, if you need the 30 mm adjustable stroke feature. The SCJ32X180-30 has the same 32 mm bore, 180 mm nominal stroke, and PT1/8 ports as an SC32X180, but its body length A(SCJ) is 182 mm to house the adjusting screw. Ensure the extra length fits your mounting space.
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