Airtac SCJ100 Standard Cylinder SCJ100X600-100
The AirTAC Airtac SCJ100 Standard Cylinder SCJ100X600-100 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. Ø100mm bore, 600mm nominal stroke, PT1/2 ports and adjustable end cushioning.
- BoreØ100 mm
- Nominal stroke600 mm
- Stroke adjust-100 mm
- Port sizePT1/2
- Rod threadM20×1.5
- CushionAdjustable, 29 mm
About the Airtac SCJ100 Standard Cylinder SCJ100X600-100
The SCJ100X600-100 is a double-acting, single-rod pneumatic cylinder that puts 3927 N of push force at your command at 0.5 MPa, rising to 7068 N at 0.9 MPa. Its defining feature is the rear-cap adjusting screw, which gives you a full 100 mm of field-adjustable stroke reduction, letting you dial in the precise 600 mm nominal stroke end position during commissioning or changeovers.
Built on a durable tie-rod body with a 25 mm diameter rod and PT1/2 ports, this cylinder uses an adjustable air cushion to decelerate the piston smoothly. The body length A(SCJ) is 245 mm, making it a compact solution for applications where stroke-end precision is critical but space for external hard stops is limited.
Airtac SCJ100 Standard Cylinder SCJ100X600-100 Technical Specifications
| Model | Airtac SCJ100 Standard Cylinder SCJ100X600-100 |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø100 mm |
| Nominal stroke | 600 mm |
| Stroke adjustment | Up to 100 mm (rear adjusting screw) |
| Acting type | Double acting (single rod) |
| Port size | PT1/2 |
| Rod thread | M20×1.5 |
| 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, 29 mm |
| Max stroke | Up to 1500 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 (Ø100mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3927 N | 3682 N |
| 0.7 MPa | 5498 N | — |
| Max (@1.0 MPa) | 801 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 SCJ100 Standard Cylinder SCJ100X600-100
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×600 | 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 SCJ100 Standard Cylinder SCJ100X600-100 Is Used
Multi-Product Assembly Jigs
Quickly adjust the end-stop for different product heights on a single assembly station. The 100 mm adjustment range allows a single SCJ100 cylinder to handle a wide family of parts without mechanical rework.
Material Stop Gate
Use the rear adjusting screw to set a precise stopping position for boxes or pallets of varying sizes on a conveyor line. The 3927 N push force at 0.5 MPa handles heavy loads reliably.
Press-Fit Depth Control
Dial in the exact press depth for bearing or bushing insertion during pilot runs. The screw provides a repeatable, hard stop that is far quicker to adjust than swapping out fixed-stroke cylinders.
Is the Airtac SCJ100 Standard Cylinder SCJ100X600-100 the Right Cylinder?
Step up to the SCJ125 bore for a push force of 6136 N at 0.5 MPa if this 100 mm bore is marginally undersized, or down to the SCJ80 bore at 2513 N if your load is lighter and you can save space. Choose this SCJ over a fixed-stroke SC when you need to fine-tune the stroke end on the machine without changing the cylinder, such as for format changeovers or wear compensation. For a direct replacement, match the 100 mm bore, 600 mm nominal stroke, 100 mm adjust range, PT port thread, and basic mounting. At this 600 mm stroke, the rod is fully supported within the cylinder, but for applications with significant side loads, an external guide rail or a guided cylinder is strongly recommended 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 SCJ100 Standard Cylinder SCJ100X600-100 FAQ
The theoretical push force at 0.5 MPa is 3927 N, and the pull force on the retract stroke is 3681 N. At the maximum operating pressure of 1.0 MPa, the push force reaches 7068 N. The pull force is lower because the 25 mm rod reduces the effective piston area on the retract side.
The SCJ is not a direct drop-in replacement for a fixed-stroke SC because its body is longer to house the adjusting mechanism. You can replace another SCJ100X600-100 cylinder directly, ensuring the bore, nominal stroke, 100 mm adjust range, PT ports, and basic mounting all match. If you don't need the adjustable stroke feature, the standard SC100X600 is the correct fixed-stroke alternative.
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