Airtac SCJ32 Standard Cylinder SCJ32X100-40STC
The AirTAC Airtac SCJ32 Standard Cylinder SCJ32X100-40STC is a genuine double-acting SINGLE-ROD air cylinder with a rear-cap ADJUSTING SCREW: the stroke end is field-adjustable within a 40 mm range without swapping the cylinder. Ø32mm bore, 100mm nominal stroke, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Nominal stroke100 mm
- Stroke adjust-40 mm
- Port sizePT1/8
- Rod threadM10×1.25
- CushionAdjustable, 21 mm
About the Airtac SCJ32 Standard Cylinder SCJ32X100-40STC
The SCJ32X100-40STC is a 32mm bore double-acting single-rod cylinder with a field-adjustable stroke end, giving you up to 40mm of fine-tuning range on the 100mm nominal stroke. It delivers 402 N of push force at 0.5 MPa, making it a compact workhorse for light positioning and clamping tasks where the final stroke length needs to be dialled in on the machine.
This model is factory-equipped with a built-in magnet (-S) for direct mounting of CMSG/DMSG sensors, plus a centre trunnion pivot (TC) that ships with the TCM1 bracket, allowing the cylinder to swing through an arc. The 12mm piston rod, PT1/8 ports, and 21mm air cushion ensure smooth deceleration in a body length of 182mm.
Airtac SCJ32 Standard Cylinder SCJ32X100-40STC Technical Specifications
| Model | Airtac SCJ32 Standard Cylinder SCJ32X100-40STC |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø32 mm |
| Nominal stroke | 100 mm |
| Stroke adjustment | Up to 40 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 SCJ32X100-40STC
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×100 | Nominal (maximum) stroke length in mm. |
| -40 | 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 SCJ32X100-40STC Is Used
Commissioning & Setup
Fine-tune the end position of a stop gate or diverter during initial machine setup without swapping cylinders or machining external hard stops.
Small Part Ejection
Dial in the precise push-off stroke for ejecting components from a conveyor, compensating for slight variations in product width or guide rail position.
Wear Compensation
Adjust the stroke end to take up mechanical wear on a clamp jaw or press tool, maintaining consistent contact force over the tooling's service life.
Is the Airtac SCJ32 Standard Cylinder SCJ32X100-40STC the Right Cylinder?
Step up to the 40mm bore SCJ if you need more push force—the SCJ40 delivers 628 N at the same 0.5 MPa. If your application doesn't require stroke adjustability, the fixed-stroke SC32 is a simpler, more cost-effective alternative. For a drop-in replacement, match the 32mm bore, 100mm nominal stroke, 40mm adjust range, PT ports, centre trunnion mounting (F-SC32TC), and the integrated magnet.
Adjustable-stroke checklist
- ✓ Need to fine-tune stroke on the line?
- ✓ Nominal stroke + adjust range (-40)
- ✓ 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 SCJ32X100-40STC FAQ
At the standard 0.5 MPa operating pressure, it produces 402 N pushing and 345 N pulling. The maximum push force at 0.9 MPa is 724 N. The adjusting screw changes only the stroke end position, not the cylinder's force output.
Yes, if you need the 40mm field-adjustable stroke feature. Ensure the replacement matches the 100mm nominal stroke, PT1/8 ports, SC32TC trunnion mount, and the -S magnet option for sensor compatibility. The SCJ body is slightly longer to house the adjustment mechanism.
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