Airtac SCJ80 Standard Cylinder SCJ80X100-100S
The AirTAC Airtac SCJ80 Standard Cylinder SCJ80X100-100S 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. Ø80mm bore, 100mm nominal stroke, PT3/8 ports and adjustable end cushioning.
- BoreØ80 mm
- Nominal stroke100 mm
- Stroke adjust-100 mm
- Port sizePT3/8
- Rod threadM20×1.5
- CushionAdjustable, 28 mm
About the Airtac SCJ80 Standard Cylinder SCJ80X100-100S
The SCJ80X100-100S is an 80 mm bore, double-acting, single-rod pneumatic cylinder with a field-adjustable stroke end, delivering a robust 2513 N of push force at 0.5 MPa. Its rear-cap adjusting screw provides a full 100 mm of stroke-end reduction, allowing you to fine-tune the 100 mm nominal stroke for precise commissioning, format changes, or wear take-up without swapping the cylinder.
This model includes a built-in magnet (-S suffix), enabling direct mounting of CMSG/DMSG/EMSG sensors along the tie-rod barrel for reliable, non-contact position sensing. With a 25 mm diameter piston rod, PT3/8 ports, and a 28 mm air cushion, the cylinder body length (A dimension) is 239 mm, making it a compact yet powerful solution for dynamic industrial tasks.
Airtac SCJ80 Standard Cylinder SCJ80X100-100S Technical Specifications
| Model | Airtac SCJ80 Standard Cylinder SCJ80X100-100S |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø80 mm |
| Nominal stroke | 100 mm |
| Stroke adjustment | Up to 100 mm (rear adjusting screw) |
| Acting type | Double acting (single rod) |
| Port size | PT3/8 |
| 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, 28 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 (Ø80mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2513 N | 2268 N |
| 0.7 MPa | 3519 N | — |
| Max (@1.0 MPa) | 513 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 SCJ80 Standard Cylinder SCJ80X100-100S
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×100 | 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 SCJ80 Standard Cylinder SCJ80X100-100S Is Used
Commissioning & Setup
The 100 mm adjustment range lets technicians precisely dial in the stroke end during initial machine setup, eliminating the need for custom-length cylinders or external hard stops.
Format Changeovers
Quickly adapt the cylinder's end position for different product sizes on packaging or sorting lines, reducing downtime between production runs with a simple screw adjustment.
Wear Compensation
In high-cycle clamping or pressing applications, the adjustable screw can be used to take up mechanical wear on tooling or contact surfaces, maintaining consistent process force and position over time.
Is the Airtac SCJ80 Standard Cylinder SCJ80X100-100S the Right Cylinder?
Choose the SCJ80X100-100S when you need a powerful 80 mm bore actuator with the flexibility to dial in the exact stroke end on the machine. If your force requirement is lower, stepping down to a 63 mm bore reduces push force to 1559 N at 0.5 MPa; for higher demands, the 100 mm bore offers 3927 N. This adjustable-stroke model is ideal for applications where the end position must be empirically set, unlike a fixed-stroke SC cylinder.
For replacement, match an AirTAC SCJ adjustable-stroke cylinder with the same 80 mm bore, 100 mm nominal stroke, 100 mm adjust range, PT3/8 ports, and the -S magnet option. This model uses the basic mounting configuration, but you can add FA, LB, or TC mounting kits if needed. For strokes of 300 mm or more, always evaluate side-loading and rod bending; an external guide or a guided cylinder is recommended to protect the rod and seals.
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 SCJ80 Standard Cylinder SCJ80X100-100S FAQ
A screw in the rear cap limits the piston's retraction stroke. Turning the screw shortens the effective stroke by up to 100 mm from the 100 mm nominal maximum, allowing you to set a precise end position. It does not change the cylinder's bore or force output.
At the standard 0.5 MPa operating pressure, the push force is 2513 N and the pull force is 2268 N. The maximum push force at 0.9 MPa is 4523 N. Because it is a single-rod cylinder, the push force is always greater than the pull force due to the area of the 25 mm rod.
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