Airtac SCJ32 Standard Cylinder SCJ32X300-100S
The AirTAC Airtac SCJ32 Standard Cylinder SCJ32X300-100S 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, 300mm nominal stroke, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Nominal stroke300 mm
- Stroke adjust-100 mm
- Port sizePT1/8
- Rod threadM10×1.25
- CushionAdjustable, 21 mm
About the Airtac SCJ32 Standard Cylinder SCJ32X300-100S
The SCJ32X300-100S is a double-acting, single-rod tie-rod cylinder that puts fine stroke-end tuning at your fingertips. Its rear adjusting screw provides up to 100 mm of adjustment from the 300 mm nominal stroke, allowing you to dial in the exact end position without changing the cylinder. The built-in magnet lets you clamp CMSG/DMSG sensors directly onto the barrel for reliable, non-contact position sensing.
With a 12 mm piston rod and PT1/8 ports, this 32 mm bore cylinder delivers 402 N of push force and 345 N of pull force at 0.5 MPa. The 21 mm air cushion decelerates the piston smoothly at both ends, protecting your tooling. This model is a practical choice for commissioning trials and applications where the stroke length needs to be fine-tuned on the machine.
Airtac SCJ32 Standard Cylinder SCJ32X300-100S Technical Specifications
| Model | Airtac SCJ32 Standard Cylinder SCJ32X300-100S |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø32 mm |
| Nominal stroke | 300 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 SCJ32X300-100S
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×300 | 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 SCJ32X300-100S Is Used
Commissioning & Setup
The 100 mm adjustment range allows technicians to quickly fine-tune the stroke end position during machine commissioning, eliminating the need to swap out fixed-stroke cylinders to find the perfect travel distance.
Wear Compensation
In material handling pushers or stoppers, the stroke can be easily adjusted over time to compensate for wear on contact pads or tooling, maintaining consistent part positioning without replacing the actuator.
Format Changeovers
Ideal for packaging or assembly lines running multiple product sizes. Operators can quickly adjust the cylinder's end stop to accommodate different box widths or component positions, drastically reducing changeover time.
Is the Airtac SCJ32 Standard Cylinder SCJ32X300-100S the Right Cylinder?
Choose the SCJ32 when you need a compact, adjustable-stroke actuator. If your force requirements increase, stepping up to the 40 mm bore provides 628 N of push force at the same 0.5 MPa pressure. For applications that do not require field adjustment, a fixed-stroke SC32 cylinder is a simpler, cost-effective alternative. This SCJ32X300-100S is a direct replacement for any AirTAC SCJ32 cylinder with a 300 mm nominal stroke, 100 mm adjustment range, PT ports, basic mounting, and a magnet.
For this 300 mm stroke length, be mindful of side loads. The 12 mm rod can deflect under high radial forces. If your application involves a significant side load, consider adding an external linear guide or switching to a guided cylinder 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 SCJ32X300-100S FAQ
A rear-cap adjusting screw limits the piston's return stroke end. You can shorten the effective stroke by up to 100 mm from the 300 mm nominal length. This is a mechanical end-stop adjustment, not a force or speed control. The push force remains 402 N at 0.5 MPa regardless of the stroke setting.
No. Like all standard double-acting pneumatic cylinders, the SCJ32X300-100S will drift or drop if air pressure is lost or the valve is centered. The air cushion and adjusting screw are not locking devices. If you need to hold a position without live pressure, you must add an external rod brake or a pilot-operated check valve.
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