Airtac SCJ100 Standard Cylinder SCJ100X60-20S
The AirTAC Airtac SCJ100 Standard Cylinder SCJ100X60-20S is a genuine double-acting SINGLE-ROD air cylinder with a rear-cap ADJUSTING SCREW: the stroke end is field-adjustable within a 20 mm range without swapping the cylinder. Ø100mm bore, 60mm nominal stroke, PT1/2 ports and adjustable end cushioning.
- BoreØ100 mm
- Nominal stroke60 mm
- Stroke adjust-20 mm
- Port sizePT1/2
- Rod threadM20×1.5
- CushionAdjustable, 29 mm
About the Airtac SCJ100 Standard Cylinder SCJ100X60-20S
The SCJ100X60-20S is a 100 mm bore double-acting, single-rod pneumatic cylinder engineered for applications requiring precise, on-machine stroke tuning. Its rear-cap adjusting screw provides up to 20 mm of stroke-end reduction, allowing operators to fine-tune the 60 mm nominal stroke for commissioning or format changes without dismounting the cylinder. The built-in magnet enables direct mounting of CMSG/DMSG/EMSG sensors for reliable end-of-stroke detection.
At 0.5 MPa, this cylinder delivers 3927 N of push force and 3681 N on the pull stroke, making it suitable for medium-to-heavy clamping, pressing, and positioning tasks. The 25 mm diameter piston rod and PT1/2 port ensure robust flow and mechanical rigidity. With a 29 mm air cushion and a body length of 245 mm, it integrates smoothly into ISO 6430-class tie-rod mounting footprints.
Airtac SCJ100 Standard Cylinder SCJ100X60-20S Technical Specifications
| Model | Airtac SCJ100 Standard Cylinder SCJ100X60-20S |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø100 mm |
| Nominal stroke | 60 mm |
| Stroke adjustment | Up to 20 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 SCJ100X60-20S
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×60 | Nominal (maximum) stroke length in mm. |
| -20 | 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 SCJ100X60-20S Is Used
End-Stop Commissioning
Fine-tune the retract stroke end position during machine setup and commissioning trials, eliminating the need for hard shims or custom mechanical stops.
Product Format Changeover
Quickly adjust the stroke end to accommodate different product sizes on a packaging or sorting line, reducing changeover time between batches.
Wear Compensation
Take up mechanical wear in tooling or gripper linkages over time by slightly extending the effective stroke via the rear screw, maintaining consistent process quality.
Is the Airtac SCJ100 Standard Cylinder SCJ100X60-20S the Right Cylinder?
Choose the SCJ100 when your application needs roughly 3900 N of push force at standard shop air. If your load requires more force, stepping up to the 125 mm bore provides 6136 N push at the same pressure. For purely fixed-stroke applications, the standard SC100 series offers a shorter overall length and lower cost. When replacing an existing unit, match the 100 mm bore, 60 mm nominal stroke, 20 mm adjust range, PT port thread, and the -S magnet option. For strokes of 300 mm or more, consider an external guide rail or a guided cylinder to protect the 25 mm rod from side-load bending.
Adjustable-stroke checklist
- ✓ Need to fine-tune stroke on the line?
- ✓ Nominal stroke + adjust range (-20)
- ✓ 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 SCJ100X60-20S FAQ
At 0.5 MPa, it generates 3927 N pushing and 3681 N pulling. The maximum push force at the 0.9 MPa operating limit is 7068 N. The theoretical force at 1.0 MPa is 801 kgf.
Yes, provided you need the 20 mm field-adjustable stroke feature. The SCJ100X60-20S matches the SC100 bore, rod size, and mounting footprint but adds the rear adjusting screw. Ensure your machine has clearance for the slightly longer SCJ body length of 245 mm.
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