Airtac SCJ32 Standard Cylinder SCJ32X80-30
The AirTAC Airtac SCJ32 Standard Cylinder SCJ32X80-30 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, 80mm nominal stroke, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Nominal stroke80 mm
- Stroke adjust-30 mm
- Port sizePT1/8
- Rod threadM10×1.25
- CushionAdjustable, 21 mm
About the Airtac SCJ32 Standard Cylinder SCJ32X80-30
The SCJ32X80-30 is a double-acting, single-rod pneumatic cylinder that puts fine stroke-end tuning directly on the machine. Its rear-cap adjusting screw lets you shorten the effective stroke by up to 30 mm without dismounting the cylinder or adding external hard stops—ideal for commissioning trials, wear take-up, and format changeovers on compact automation. With a 12 mm rod, PT1/8 ports, and a 21 mm air cushion, this 32 mm bore unit delivers 402 N of push force at 0.5 MPa (724 N at the 0.9 MPa maximum operating pressure).
The SCJ body length A is 182 mm, slightly longer than the fixed-stroke SC of the same bore to house the adjustment mechanism. It handles filtered air from -20 to +70 °C and operates reliably at speeds of 30-800 mm/s. This basic-configuration model ships with TPU seals and PT threads, ready to mount with standard SCJ accessories.
Airtac SCJ32 Standard Cylinder SCJ32X80-30 Technical Specifications
| Model | Airtac SCJ32 Standard Cylinder SCJ32X80-30 |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø32 mm |
| Nominal stroke | 80 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 SCJ32X80-30
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×80 | 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 SCJ32X80-30 Is Used
Commissioning & Setup
Fine-tune the end-of-stroke position during machine bring-up without swapping cylinders. The 30 mm adjustment range lets technicians dial in the exact stopping point for grippers or pushers.
Small-Part Diverting
Adjust the stroke end to match different lane widths on a conveyor. The 80 mm nominal stroke with 30 mm of take-up handles mixed product sizes on packaging lines.
Wear Compensation
Compensate for tooling or pad wear over time. A quick turn of the rear screw restores the precise pressing or clamping depth without stopping production.
Is the Airtac SCJ32 Standard Cylinder SCJ32X80-30 the Right Cylinder?
Choose the SCJ32X80-30 when you need to dial in a stroke end position on a 32 mm bore platform. If your force requirement grows, stepping up to the 40 mm bore SCJ40 series provides 628 N of push at the same 0.5 MPa. For applications that do not need field adjustability, the fixed-stroke SC32 cylinder is a simpler, cost-effective alternative. A direct replacement must match the 32 mm bore, 80 mm nominal stroke, 30 mm adjustment range, PT port thread, and basic mounting style. For strokes of 300 mm or more, evaluate side-load conditions and consider an external guide rail to protect the 12 mm rod from bending.
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 SCJ32X80-30 FAQ
A rear-cap screw limits the piston's retract stroke end. You can shorten the effective stroke by up to 30 mm from the 80 mm nominal maximum. It adjusts the end position only—it does not change the cylinder's force, speed, or the full 80 mm extend stroke.
At 0.5 MPa, the push force is 402 N and the pull force is 345 N (due to the single 12 mm rod). At the maximum operating pressure of 0.9 MPa, push force reaches 724 N. The theoretical maximum at 1.0 MPa is 82 kgf.
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