Airtac SCJ100 Standard Cylinder SCJ100X275-100
The AirTAC Airtac SCJ100 Standard Cylinder SCJ100X275-100 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, 275mm nominal stroke, PT1/2 ports and adjustable end cushioning.
- BoreØ100 mm
- Nominal stroke275 mm
- Stroke adjust-100 mm
- Port sizePT1/2
- Rod threadM20×1.5
- CushionAdjustable, 29 mm
About the Airtac SCJ100 Standard Cylinder SCJ100X275-100
The AirTAC SCJ100X275-100 is a double-acting, single-rod adjustable-stroke cylinder that delivers a substantial 3927 N of push force at 0.5 MPa, making it suitable for heavy-duty positioning tasks. Its rear-cap adjusting screw provides a full 100 mm of field-adjustable stroke reduction, allowing engineers to fine-tune the end position without removing the cylinder from the machine.
With a 25 mm diameter piston rod and PT1/2 ports, this model features a 29 mm air cushion for smooth deceleration. The body length is 245 mm, and the maximum theoretical force reaches 7068 N at 0.9 MPa, offering a robust solution for applications requiring both power and on-the-fly stroke calibration.
Airtac SCJ100 Standard Cylinder SCJ100X275-100 Technical Specifications
| Model | Airtac SCJ100 Standard Cylinder SCJ100X275-100 |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø100 mm |
| Nominal stroke | 275 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 SCJ100X275-100
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×275 | 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 SCJ100X275-100 Is Used
Format Changeovers
Quickly adjust the stroke end for different product sizes on packaging or assembly machines without swapping cylinders or adding mechanical stops.
Material Stops
Fine-tune the retracted position of a stop gate on a conveyor line to handle varying pallet or carton dimensions with 100 mm of adjustability.
Clamping & Pressing
Set the final clamp depth precisely during commissioning of a pneumatic press, using the rear screw to account for tooling or part tolerances.
Is the Airtac SCJ100 Standard Cylinder SCJ100X275-100 the Right Cylinder?
Choose the SCJ100X275-100 when you need to dial in a precise stroke end position on a 100 mm bore platform. If your force requirements are lower, stepping down to the 80 mm bore reduces push force to 2513 N at 0.5 MPa; for higher demands, the 125 mm bore provides 6136 N. This adjustable-stroke model is ideal for commissioning and format changes, but if your application requires a fixed, repeatable stroke without adjustment, a standard SC fixed-stroke cylinder is a simpler alternative. For strokes of this length, ensure the rod is adequately supported against side loads, or consider an external guide unit.
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 SCJ100X275-100 FAQ
At 0.5 MPa, it delivers 3927 N of push force and 3681 N of pull force. The maximum push force at the 0.9 MPa operating limit is 7068 N.
Yes, provided the mounting and porting match. The SCJ100X275-100 is dimensionally compatible with the SC series but adds a rear adjusting screw. Ensure the 100 mm adjustment range and PT1/2 ports fit your existing setup.
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