Airtac SDAJ80~100 Adjustable Super Slim Cylinder SDAJ80X55-30
The AirTAC Airtac SDAJ80~100 Adjustable Super Slim Cylinder SDAJ80X55-30 is a genuine double-acting COMPACT cylinder (Ø80mm bore) whose extend end-position is set by an external M20×1.5 adjustment screw. You can dial the stroke anywhere from 25 to 55 mm on the machine — no shims, no part change.
- BoreØ80 mm
- Max stroke55 mm
- Adjustable range25–55 mm
- Adjuster threadM20×1.5
- Port sizePT3/8
- CushionFixed NBR bumper (both ends)
About the Airtac SDAJ80~100 Adjustable Super Slim Cylinder SDAJ80X55-30
The AirTAC SDAJ80X55-30 is a compact double-acting single-rod cylinder featuring an external M20x1.5 adjustment screw that dials the extend stop directly on your machine. You can set the outward travel anywhere between 25 and 55 mm without swapping shims or parts, making it ideal for frequent format changes. The retract stroke remains full length.
Because the adjuster limits travel rather than altering piston area, output matches a standard 80 mm bore, delivering 2513.3 N of push at 0.5 MPa. The short riveted body significantly reduces axial mounting depth where larger profile units fail to fit. End shock is handled by a fixed NBR bumper, not an adjustable air cushion.
Airtac SDAJ80~100 Adjustable Super Slim Cylinder SDAJ80X55-30 Technical Specifications
| Model | Airtac SDAJ80~100 Adjustable Super Slim Cylinder SDAJ80X55-30 |
|---|---|
| Series | SDAJ compact adjustable-stroke cylinder |
| Bore size | Ø80 mm |
| Max stroke | 55 mm |
| Adjustable range | 25 – 55 mm |
| Adjuster thread (R) | M20×1.5 |
| Port size | PT3/8 |
| Acting type | Double acting |
|---|---|
| Rod end thread | M14×1.5 F / M22×1.5 male (B) |
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 500 mm/s |
| Cushion | Fixed NBR bumper (both ends) |
The adjustment screw shortens the extend stroke by up to 30 mm. Force is unchanged from a standard SDA of the same bore. Specifications follow the official AirTAC SDAJ datasheet.
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 | |
Force matches a standard SDA of the same bore; the adjuster only sets the stop position, not the area. Actual usable force is lower than theoretical due to friction.
Model Code: Airtac SDAJ80~100 Adjustable Super Slim Cylinder SDAJ80X55-30
| SDAJ | Compact double-acting cylinder with adjustable stroke. |
|---|---|
| 80 | Bore size in mm. |
| ×55 | Maximum stroke length in mm. |
| -30 | Adjustable window (10/20/30/40/50/75/100 mm). |
| S / B | S = magnet; B = male-thread rod (both optional). |
Thread: PT standard. Related SDA-family variants: SDA (fixed stroke), SDAD (double rod), SSA/STA (single acting), SDAT (duplex), SDAW (duplex-end).
Where the Airtac SDAJ80~100 Adjustable Super Slim Cylinder SDAJ80X55-30 Is Used
Heavy Press Tonnage Setup
Leverage the 2513.3 N push to seat heavy components, tweaking the extend stop from 25 to 55 mm during initial tooling calibration without changing hardware.
Pallet Diverting Changeover
Shift the mechanical stop on-site to accommodate varying pallet widths on the line, relying on the fixed NBR bumper to absorb the kinetic energy of transit.
Vertical Lift Positioning
Hoist loads up to 128.1 kg safely with a 2:1 margin, adjusting the outward reach precisely while ensuring an external check valve holds the weight during air loss.
Is the Airtac SDAJ80~100 Adjustable Super Slim Cylinder SDAJ80X55-30 the Right Cylinder?
When sizing this unit, compare its 2513.3 N push at 0.5 MPa against neighbouring bores. Stepping down to the 63 mm variant yields 1558.6 N, whereas the 100 mm bore provides 3927 N. This 80 mm model offers a safe working load of roughly 1508 N, or a vertical lift capacity near 128.1 kg with a 2:1 safety margin.
Engineers requiring on-site stroke tuning will benefit from the 30 mm adjustability window. Note that a plain cylinder cannot hold a load if air pressure drops; utilize an external rod lock or pilot-operated check valve for secure positioning. This configuration includes a PT3/8 port, a 25 mm rod, female M14x1.5 rod-end threads, and lacks a piston magnet.
Quick checklist
- ✓ Need on-machine stroke fine-tuning?
- ✓ Target position within 25–55 mm
- ✓ Force at your working pressure
- ✓ Access to reach the R adjuster
- ✓ 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 Lock the M20×1.5 adjuster after setting the stroke.
- check Avoid side load on the piston rod.
- check Front/rear covers are riveted — do not dismantle.
- check Installation by qualified personnel per AirTAC docs.
Airtac SDAJ80~100 Adjustable Super Slim Cylinder SDAJ80X55-30 FAQ
This 80 mm bore double-acting cylinder delivers 2513.3 N push and 2267.8 N pull at 0.5 MPa, 3518.6 N push and 3175 N pull at 0.7 MPa, with a theoretical maximum of 513 kgf at 1.0 MPa. It uses a PT3/8 air port.
Turning the M20x1.5 external screw shortens the extend end position by up to 30 mm, allowing usable outward travel between 25 and 55 mm. This specific SKU lacks a piston magnet, so it cannot accept reed or electronic switches; you must specify the -S option for sensing capabilities.
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