Airtac SCJ32 Standard Cylinder SCJ32X275-100S
The AirTAC Airtac SCJ32 Standard Cylinder SCJ32X275-100S is a genuine double-acting SINGLE-ROD air cylinder with a rear-cap ADJUSTING SCREW: the stroke end is field-adjustable within a 100 mm range without swapping the cylinder. Ø32mm bore, 275mm nominal stroke, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Nominal stroke275 mm
- Stroke adjust-100 mm
- Port sizePT1/8
- Rod threadM10×1.25
- CushionAdjustable, 21 mm
About the Airtac SCJ32 Standard Cylinder SCJ32X275-100S
The SCJ32X275-100S is a double-acting, single-rod pneumatic cylinder that puts stroke-end fine-tuning directly on the machine. Its rear adjusting screw provides up to 100 mm of field-adjustable stroke reduction, letting you dial in the exact end position without swapping the cylinder or adding external hard stops. The 12 mm diameter piston rod and PT1/8 ports keep the unit compact for space-constrained automation.
At 0.5 MPa, this 32 mm bore cylinder delivers 402 N of push force and 345 N on the pull stroke. The built-in magnet (indicated by the -S suffix) allows CMSG, DMSG, or EMSG sensors to clamp directly onto the tie-rod barrel for non-contact position sensing. The body length A(SCJ) is 182 mm, and the standard TPU seals handle operating temperatures from -20 to +70 °C.
Airtac SCJ32 Standard Cylinder SCJ32X275-100S Technical Specifications
| Model | Airtac SCJ32 Standard Cylinder SCJ32X275-100S |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø32 mm |
| Nominal stroke | 275 mm |
| Stroke adjustment | Up to 100 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 SCJ32X275-100S
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×275 | Nominal (maximum) stroke length in mm. |
| -100 | 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 SCJ32X275-100S Is Used
Commissioning & Setup
The 100 mm adjustment range lets technicians fine-tune the stroke end during machine setup without cutting rods or machining custom stops, speeding up line commissioning.
Wear Compensation
In pick-and-place units, the adjustable screw can take up mechanical play or gripper pad wear over time, maintaining consistent part contact without reprogramming the controller.
Format Changeover
Quickly adapt the cylinder's end position for different product sizes on a packaging line. The -S magnet provides sensor feedback to confirm the new stroke position after adjustment.
Is the Airtac SCJ32 Standard Cylinder SCJ32X275-100S the Right Cylinder?
Choose the SCJ32 when you need to commission a stroke length precisely or accommodate tooling wear without mechanical rework. If 402 N of push force is insufficient, stepping up to the SCJ40 provides 628 N at the same 0.5 MPa pressure. For applications that don't require field adjustability, the fixed-stroke SC32 offers a simpler, more cost-effective solution. A direct replacement must match the 32 mm bore, 275 mm nominal stroke, 100 mm adjustment range, PT thread, and the -S magnet option.
With a 275 mm nominal stroke, ensure the rod is not subjected to high side loads. If the application involves off-axis forces, consider adding an external linear guide or switching to a guided cylinder assembly to prevent rod bending and premature seal wear.
Adjustable-stroke checklist
- ✓ Need to fine-tune stroke on the line?
- ✓ Nominal stroke + adjust range (-100)
- ✓ 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 SCJ32X275-100S FAQ
At 0.5 MPa, the push force is 402 N and the pull force is 345 N. The maximum push force at the 0.9 MPa operating limit reaches 724 N. The pull force is lower because the single rod reduces the effective piston area on the return stroke.
The rear adjusting screw sets the physical stroke end within a 100 mm range, shortening the 275 mm nominal stroke. It is a mechanical stop, not a locking device. The cylinder will not hold a mid-stroke position if air pressure is lost; an external rod lock or pilot-operated check valve is required for load holding.
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