Airtac SDAJ80~100 Adjustable Super Slim Cylinder SDAJ100X35-20
The AirTAC Airtac SDAJ80~100 Adjustable Super Slim Cylinder SDAJ100X35-20 is a genuine double-acting COMPACT cylinder (Ø100mm bore) whose extend end-position is set by an external M27×2.0 adjustment screw. You can dial the stroke anywhere from 15 to 35 mm on the machine — no shims, no part change.
- BoreØ100 mm
- Max stroke35 mm
- Adjustable range15–35 mm
- Adjuster threadM27×2.0
- Port sizePT3/8
- CushionFixed NBR bumper (both ends)
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SDAJ80~100 Adjustable Super Slim Cylinder SDAJ100X35-20
The AirTAC SDAJ100X35-20 is a double-acting compact cylinder featuring an external adjustable extend stop. By turning the R (M27x2.0) screw, you can dial the forward stroke down from the 35 mm maximum to a 15 mm minimum directly on the machine, eliminating the need for shims or part swaps. The short riveted body saves axial mounting depth where a larger profile cylinder will not fit.
Because the adjuster sets the mechanical stop rather than the piston area, output force equals a standard SDA of this bore, delivering about 3927 N push at 0.5 MPa. End-of-travel shock is handled by a fixed NBR bumper, which decelerates the piston but is not an adjustable air cushion. Note this specific SKU lacks a piston magnet, so it cannot host reed or electronic switches.
Airtac SDAJ80~100 Adjustable Super Slim Cylinder SDAJ100X35-20 Technical Specifications
| Model | Airtac SDAJ80~100 Adjustable Super Slim Cylinder SDAJ100X35-20 |
|---|---|
| Series | SDAJ compact adjustable-stroke cylinder |
| Bore size | Ø100 mm |
| Max stroke | 35 mm |
| Adjustable range | 15 – 35 mm |
| Adjuster thread (R) | M27×2.0 |
| Port size | PT3/8 |
| Acting type | Double acting |
|---|---|
| Rod end thread | M18×1.5 F / M26×1.5 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 20 mm. Force is unchanged from a standard SDA of the same bore. Specifications follow the official AirTAC SDAJ datasheet.
Theoretical Output Force (Ø100mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3927 N | 3525 N |
| 0.7 MPa | 5498 N | — |
| Max (@1.0 MPa) | 801 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 SDAJ100X35-20
| SDAJ | Compact double-acting cylinder with adjustable stroke. |
|---|---|
| 100 | Bore size in mm. |
| ×35 | Maximum stroke length in mm. |
| -20 | 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 SDAJ100X35-20 Is Used
Heavy Press Tuning
Dial the 15 to 35 mm extend stop on the shop floor to set exact pressing depth for thick materials without machining new spacers.
Automated Welding Setup
Leverage the 3927 N push force to move heavy welding fixtures, fine-tuning the forward reach during initial line commissioning.
Vertical Lift Jig
Lift a 200.2 kg payload with a 2:1 margin, adjusting the mechanical stop to prevent over-travel in compact vertical elevators.
Is the Airtac SDAJ80~100 Adjustable Super Slim Cylinder SDAJ100X35-20 the Right Cylinder?
When sizing this actuator, look both ways: stepping down to an SDAJ80 yields 2513.3 N push at 0.5 MPa, while this 100 mm bore provides 3927 N. This makes the 100 mm ideal when the 80 mm hits its capacity limit. A computed safe working load is roughly 2356 N (about 60 percent of the 0.5 MPa figure), translating to a vertical lift of approximately 200.2 kg with a 2:1 safety margin.
Choose this model for heavy trial positioning or frequent changeovers requiring precise forward stops. Remember that a plain cylinder does not hold its load on air loss or when the valve is centred; the piston drifts and the fixed bumper only decelerates near the end. For secure load holding without live pressure, install an external rod lock or a pilot-operated check valve. Confirm your bore, 35 mm stroke, 20 mm window, PT3/8 port, female M18x1.5 rod thread, and lack of a magnet.
Quick checklist
- ✓ Need on-machine stroke fine-tuning?
- ✓ Target position within 15–35 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 M27×2.0 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 SDAJ100X35-20 FAQ
This 100 mm bore double-acting cylinder provides 3927 N push and 3524.9 N pull at 0.5 MPa. At 0.7 MPa, push is 5497.8 N and pull is 4934.8 N. The theoretical maximum push is 801 kgf at 1.0 MPa.
The R (M27x2.0) screw mechanically shortens the extend stroke by up to 20 mm, allowing the forward end position to be set anywhere between 15 and 35 mm. It acts as a hard stop and does not alter the output force or lock the piston mid-stroke.
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