Airtac SCJ100 Standard Cylinder SCJ100X50-10
The AirTAC Airtac SCJ100 Standard Cylinder SCJ100X50-10 is a genuine double-acting SINGLE-ROD air cylinder with a rear-cap ADJUSTING SCREW: the stroke end is field-adjustable within a 10 mm range without swapping the cylinder. Ø100mm bore, 50mm nominal stroke, PT1/2 ports and adjustable end cushioning.
- BoreØ100 mm
- Nominal stroke50 mm
- Stroke adjust-10 mm
- Port sizePT1/2
- Rod threadM20×1.5
- CushionAdjustable, 29 mm
About the Airtac SCJ100 Standard Cylinder SCJ100X50-10
The SCJ100X50-10 delivers a substantial 3927 N push force at 0.5 MPa (7068 N at 0.9 MPa), making it a workhorse for pressing, clamping, and ejecting tasks that demand a compact 50 mm nominal stroke with a 10 mm field-adjustable end position. Its 25 mm diameter piston rod and PT1/2 porting ensure robust flow and structural rigidity for heavy tooling.
A rear-cap adjusting screw lets you dial the stroke end back by up to 10 mm during commissioning or changeover, eliminating the need for external hard stops. The 29 mm air cushion at each end decelerates the piston smoothly, protecting the end caps in high-cycle applications. This genuine AirTAC unit is built for reliable service in filtered-air systems up to 1.0 MPa.
Airtac SCJ100 Standard Cylinder SCJ100X50-10 Technical Specifications
| Model | Airtac SCJ100 Standard Cylinder SCJ100X50-10 |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø100 mm |
| Nominal stroke | 50 mm |
| Stroke adjustment | Up to 10 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 SCJ100X50-10
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×50 | Nominal (maximum) stroke length in mm. |
| -10 | 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 SCJ100X50-10 Is Used
End-Stop Fine-Tuning
Adjust the retract stroke end by up to 10 mm to precisely set the home position of a clamp arm or stop gate without loosening mounting bolts or machining new brackets.
Wear Take-Up in Press Tools
Compensate for punch or die wear in a small pneumatic press by dialing the stroke end forward in 1 mm increments, maintaining consistent penetration depth over thousands of cycles.
Commissioning & Format Changes
During machine setup or product changeover, quickly adjust the cylinder's end position to suit different jig heights or part dimensions, slashing downtime compared to swapping fixed-stroke cylinders.
Is the Airtac SCJ100 Standard Cylinder SCJ100X50-10 the Right Cylinder?
Step up to a 125 mm bore (6136 N push at 0.5 MPa) if your load exceeds the SCJ100's capacity, or down to 80 mm (2513 N) to save space and air consumption when force requirements are lower. If you do not need the stroke-end fine-tuning feature, a fixed-stroke SC100X50 offers the same force and mounting footprint at a lower cost. For a direct replacement, match the 100 mm bore, 50 mm nominal stroke, 10 mm adjust range, PT port thread, and basic mounting style. The 50 mm stroke is short enough that rod buckling is not a concern under normal axial loading.
Adjustable-stroke checklist
- ✓ Need to fine-tune stroke on the line?
- ✓ Nominal stroke + adjust range (-10)
- ✓ 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 SCJ100X50-10 FAQ
At the standard operating pressure of 0.5 MPa, it generates 3927 N pushing and 3681 N pulling. At the maximum operating pressure of 0.9 MPa, the push force reaches 7068 N. The pull force is lower because the 25 mm rod reduces the effective piston area on the return stroke.
Only if you need the adjustable stroke feature. The SCJ100X50-10 has a longer body (245 mm) than a fixed-stroke SC100X50 to house the adjusting screw. It is a direct dimensional match only for another AirTAC SCJ100X50-10. Ensure your mounting and porting (PT1/2) align before ordering.
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