Airtac SCJ100 Standard Cylinder SCJ100X60-50S
The AirTAC Airtac SCJ100 Standard Cylinder SCJ100X60-50S is a genuine double-acting SINGLE-ROD air cylinder with a rear-cap ADJUSTING SCREW: the stroke end is field-adjustable within a 50 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-50 mm
- Port sizePT1/2
- Rod threadM20×1.5
- CushionAdjustable, 29 mm
About the Airtac SCJ100 Standard Cylinder SCJ100X60-50S
The SCJ100X60-50S is a double-acting, single-rod pneumatic cylinder with a 50 mm field-adjustable stroke range, letting you fine-tune the stroke end position without removing the cylinder. Its 100 mm bore delivers a substantial 3927 N of push force at 0.5 MPa, making it a powerful choice for heavy-duty positioning and clamping tasks.
A built-in magnet is integrated into the piston, enabling direct mounting of CMSG/DMSG/EMSG reed or solid-state sensors along the tie-rod barrel for reliable end-of-stroke detection. The cylinder uses a 25 mm diameter piston rod, PT1/2 ports, and an M20x1.5 rod thread, with a 29 mm air cushion to decelerate the piston smoothly at the end of its travel.
Airtac SCJ100 Standard Cylinder SCJ100X60-50S Technical Specifications
| Model | Airtac SCJ100 Standard Cylinder SCJ100X60-50S |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø100 mm |
| Nominal stroke | 60 mm |
| Stroke adjustment | Up to 50 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 SCJ100X60-50S
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×60 | Nominal (maximum) stroke length in mm. |
| -50 | 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 SCJ100X60-50S Is Used
Commissioning & Fine-Tuning
The 50 mm adjustment screw allows engineers to precisely dial in the stroke end position during machine setup and commissioning, eliminating the need to fabricate custom hard stops.
Product Changeover
Quickly adapt the cylinder's end position for different product sizes on a packaging or sorting line by simply turning the rear adjusting screw, minimizing downtime between batches.
Wear Compensation
In high-cycle clamping or pressing fixtures, the adjustable stroke can be used to take up mechanical wear on tooling or contact surfaces over time, maintaining consistent clamping force without replacing parts.
Is the Airtac SCJ100 Standard Cylinder SCJ100X60-50S the Right Cylinder?
Select the SCJ100 when your application demands high force and the flexibility to adjust the stroke end by up to 50 mm for commissioning or format changes. If you need even more power, the SCJ125 bore steps up to 6136 N of push force at 0.5 MPa. For a simpler, fixed-stroke solution without the rear adjusting screw, consider the standard SC series cylinder of the same bore. A direct replacement must match the 100 mm bore, 60 mm nominal stroke, 50 mm adjust range, PT ports, and the -S magnet option. For strokes of 300 mm or more, evaluate side-loading on the 25 mm rod and consider pairing the cylinder with an external guide rail or switching to a guided cylinder to prevent rod bending.
Adjustable-stroke checklist
- ✓ Need to fine-tune stroke on the line?
- ✓ Nominal stroke + adjust range (-50)
- ✓ 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 SCJ100X60-50S FAQ
At the maximum operating pressure of 1.0 MPa, the theoretical push force is 7068 N. The pull force is lower at 3681 N at 0.5 MPa due to the area of the single piston rod. The rear adjusting screw sets the stroke end position and does not alter the cylinder's force output.
A screw in the rear cap allows you to shorten the stroke end by up to 50 mm from the 60 mm nominal maximum. It is a direct dimensional replacement for another AirTAC SCJ100 cylinder with the same bore, stroke, and adjust range. It cannot be directly replaced by a fixed-stroke SC cylinder unless the external hard stops are also modified to match the SCJ's adjusted position.
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