Airtac SCJ32 Standard Cylinder SCJ32X120-100S
The AirTAC Airtac SCJ32 Standard Cylinder SCJ32X120-100S 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, 120mm nominal stroke, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Nominal stroke120 mm
- Stroke adjust-100 mm
- Port sizePT1/8
- Rod threadM10×1.25
- CushionAdjustable, 21 mm
About the Airtac SCJ32 Standard Cylinder SCJ32X120-100S
The AirTAC SCJ32X120-100S is a double-acting, single-rod tie-rod cylinder that puts stroke-end fine-tuning directly in your hands. Its rear-cap adjusting screw provides a full 100 mm of field-adjustable range, letting you dial in the exact 120 mm maximum stroke for commissioning or format changes without swapping the cylinder. With a 12 mm piston rod and a push force of 402 N at 0.5 MPa, it is a compact yet capable actuator for light positioning tasks.
This model includes a built-in magnet, so you can clamp CMSG, DMSG, or EMSG reed or solid-state sensors directly onto the barrel for reliable end-of-stroke detection. The body length A is 182 mm, and it uses PT1/8 ports with an M10x1.25 rod thread. Operating on filtered air from 0.15 to 1.0 MPa, it handles speeds of 30-800 mm/s and features an adjustable air cushion for smooth deceleration.
Airtac SCJ32 Standard Cylinder SCJ32X120-100S Technical Specifications
| Model | Airtac SCJ32 Standard Cylinder SCJ32X120-100S |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø32 mm |
| Nominal stroke | 120 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 SCJ32X120-100S
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×120 | 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 SCJ32X120-100S Is Used
Commissioning & Setup
The 100 mm adjustment range lets technicians quickly fine-tune the end position during machine commissioning without fabricating new stops, saving hours of setup time on packaging or assembly lines.
Format Changeovers
Ideal for light-duty diverters or stops on conveyors where the product size changes frequently. Operators can adjust the stroke end in seconds to accommodate different box or pallet dimensions.
Wear Compensation
In clamping or pressing fixtures, the adjustable screw can be used to take up slack as tooling or pads wear over time, maintaining consistent contact without reprogramming the machine controller.
Is the Airtac SCJ32 Standard Cylinder SCJ32X120-100S the Right Cylinder?
Choose the SCJ32 when you need a field-adjustable stroke in a 32 mm bore package. If you require more force, stepping up to the SCJ40 delivers 628 N of push at 0.5 MPa. For applications where the stroke is fixed and never needs field adjustment, the standard SC32 fixed-stroke cylinder is a simpler, more cost-effective alternative. A direct replacement must match the 32 mm bore, 120 mm nominal stroke, 100 mm adjust range, PT ports, basic mounting, and the -S magnet option.
For this 120 mm stroke, side-loading is typically not a primary concern, but always ensure the load is guided externally if any radial force is present to prevent premature rod bearing wear. If your application demands high side-load resistance, consider a guided cylinder instead.
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 SCJ32X120-100S FAQ
At 0.5 MPa, the cylinder provides a push force of 402 N and a pull force of 345 N. The maximum push force at the 0.9 MPa operating limit is 724 N. As a single-rod cylinder, the pull force is lower due to the area occupied by the 12 mm rod.
Yes, provided the mounting and porting match. The SCJ32 body is slightly longer to house the adjusting screw. Ensure you have the clearance for body length A of 182 mm. The SCJ32X120-100S gives you up to 100 mm of stroke reduction from the 120 mm nominal maximum, which the fixed SC32 cannot do.
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