Airtac SCJ32 Standard Cylinder SCJ32X275-75S
The AirTAC Airtac SCJ32 Standard Cylinder SCJ32X275-75S is a genuine double-acting SINGLE-ROD air cylinder with a rear-cap ADJUSTING SCREW: the stroke end is field-adjustable within a 75 mm range without swapping the cylinder. Ø32mm bore, 275mm nominal stroke, PT1/8 ports and adjustable end cushioning.
- BoreØ32 mm
- Nominal stroke275 mm
- Stroke adjust-75 mm
- Port sizePT1/8
- Rod threadM10×1.25
- CushionAdjustable, 21 mm
About the Airtac SCJ32 Standard Cylinder SCJ32X275-75S
The SCJ32X275-75S is a double-acting, single-rod pneumatic cylinder with a 32 mm bore and a nominal 275 mm stroke, featuring a rear-cap adjusting screw that provides a 75 mm field-adjustable range. This lets you fine-tune the stroke end position during commissioning or changeovers without swapping the cylinder. The built-in magnet (suffix -S) allows direct mounting of CMSG/DMSG/EMSG sensors for reliable end-of-stroke detection.
At 0.5 MPa, this model delivers 402 N of push force and 345 N of pull force, driven by a 12 mm diameter piston rod. The cylinder body length (A dimension) is 182 mm, and it includes a 21 mm air cushion for smooth deceleration. It operates on filtered air from 0.15 to 1.0 MPa, with a speed range of 30-800 mm/s and a standard PT1/8 port.
Airtac SCJ32 Standard Cylinder SCJ32X275-75S Technical Specifications
| Model | Airtac SCJ32 Standard Cylinder SCJ32X275-75S |
|---|---|
| Series | SCJ adjustable-stroke tie-rod cylinder |
| Bore size | Ø32 mm |
| Nominal stroke | 275 mm |
| Stroke adjustment | Up to 75 mm (rear adjusting screw) |
| Acting type | Double acting (single rod) |
| Port size | PT1/8 |
| Rod thread | M10×1.25 |
| 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, 21 mm |
| Max stroke | Up to 1000 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 (Ø32mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | — |
| Max (@1.0 MPa) | 82 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 SCJ32 Standard Cylinder SCJ32X275-75S
| SCJ | Adjustable-stroke tie-rod cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×275 | Nominal (maximum) stroke length in mm. |
| -75 | 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 SCJ32 Standard Cylinder SCJ32X275-75S Is Used
Commissioning & Setup
The 75 mm adjustment range allows engineers to dial in the exact stroke end position during machine commissioning, eliminating the need for trial-and-error with fixed hard stops.
Format Changeovers
On packaging lines, quickly adjust the cylinder stroke to accommodate different product sizes without mechanical rework, reducing downtime between batches.
Wear Compensation
In clamping or pressing fixtures, the screw can be advanced over time to compensate for pad wear, maintaining consistent clamping force without replacing the cylinder.
Is the Airtac SCJ32 Standard Cylinder SCJ32X275-75S the Right Cylinder?
Choose the SCJ32 when you need a compact, adjustable-stroke actuator in the 402 N push class. If your application requires more force, step up to the SCJ40 bore, which provides 628 N of push at the same 0.5 MPa pressure. For fixed-stroke applications where no field adjustment is needed, the standard SC32 cylinder is a simpler, cost-effective alternative. This SCJ32X275-75S is a direct replacement for any AirTAC SCJ32 with a 275 mm nominal stroke, 75 mm adjust range, PT ports, and a magnet-equipped barrel.
For strokes of 300 mm or more, always evaluate side-loading on the 12 mm rod. If the load is not guided externally, consider adding an external guide rail or switching to a guided cylinder to prevent rod bending and premature seal wear.
Adjustable-stroke checklist
- ✓ Need to fine-tune stroke on the line?
- ✓ Nominal stroke + adjust range (-75)
- ✓ 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 SCJ32 Standard Cylinder SCJ32X275-75S FAQ
At 0.5 MPa, the push force is 402 N and the pull force is 345 N. The maximum push force at the 0.9 MPa operating limit is 724 N. Because this is a single-rod cylinder, the push force is greater than the pull force due to the rod area.
Yes, provided the nominal stroke and port type match. The SCJ32X275-75S has the same mounting envelope as an SC32 of equivalent stroke but adds a rear adjusting screw. Ensure you have clearance for the longer body length (A=182 mm) and the adjustment mechanism.
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