Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ40X200-100SB
The AirTAC Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ40X200-100SB is a genuine double-acting COMPACT (JIS) cylinder with an EXTERNAL adjustable stop on the extend stroke — a Ø40mm bore and 200mm full stroke. Turn the stop to fine-tune the end position on the machine without changing parts.
- BoreØ40 mm
- Full stroke200 mm
- Port sizePT1/8
- Adjuster threadM12×1.25
About the Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ40X200-100SB
The AirTAC ACQJ40X200-100SB is a double-acting JIS compact cylinder with a 200 mm full stroke, built as a long-stroke made-to-order variant exceeding the 100 mm standard maximum for this bore. An external M12x1.25 threaded stop and lock nut restricts the outward travel, creating a usable extend range of 100-200 mm. The return stroke remains completely unaffected by this adjustment.
Because the piston area stays constant, output force is identical to a standard ACQ of the same size. You get 628.3 N push and 527.8 N pull at 0.5 MPa, rising to 879.6 N push at 0.7 MPa. The unit includes a male M14x1.5 rod end for direct load coupling, a PT1/8 port, and an internal magnet for position sensing. Fixed NBR elastomer bumpers handle end-of-trroke deceleration rather than adjustable air cushions.
Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ40X200-100SB Technical Specifications
| Model | Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ40X200-100SB |
|---|---|
| Series | ACQJ JIS compact adjustable-stroke cylinder |
| Bore size | Ø40 mm |
| Full stroke | 200 mm |
| Adjuster thread | M12×1.25 |
| Port size | PT1/8 |
| 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 – 500 mm/s |
| Rod thread | M8×1.25 (F) / M14×1.5 (B) |
Specifications follow the official AirTAC ACQJ datasheet. The adjustable stop shortens the EXTEND stroke only; the piston area — and therefore the force — is the same as a standard ACQ of this bore. Adjustable window options: 10/20/30/40/50/75/100 mm.
Theoretical Output Force (Ø40mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 628 N | 528 N |
| 0.7 MPa | 880 N | — |
| Max (@1.0 MPa) | 128 kgf | |
Force equals a standard ACQ of the same bore — the adjuster changes stroke length, not piston area. Actual usable force is lower due to friction; size with a safety margin.
Model Code: Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ40X200-100SB
| ACQJ | JIS compact double-acting ADJUSTABLE-STROKE cylinder series. |
|---|---|
| 40 | Bore size in mm. |
| ×200 | Full stroke length in mm. |
| -0 | Adjustable window in mm (extend stroke can be shortened by up to this). |
| S / B | Magnet (S) / male-thread rod (B); omit for none / female thread. |
Thread: PT standard (G / NPT available). Related: ACQ (fixed stroke), ACQD (double rod), TACQ (guided / non-rotating).
Where the Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ40X200-100SB Is Used
Machining Fixture Clamping
Dial in the exact clamp extension on a CNC machining center during setup, absorbing part tolerances without machining new spacer blocks.
Packaging Line Diverters
Alter the stroke of a sorting gate on a packaging conveyor to handle different carton widths during rapid product changeovers.
Assembly Press Positioning
Establish trial end positions for a press operation in an assembly cell, fine-tuning the insertion depth on the machine frame.
Is the Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ40X200-100SB the Right Cylinder?
For sizing context, stepping down to a 32 mm bore drops the 0.5 MPa push force to 402.1 N, while moving up to a 50 mm bore increases it to 981.8 N. If your application never requires altering the end position after installation, a fixed-stroke ACQ cylinder is sufficient. When ordering this adjustable version, confirm the 40 mm bore, 200 mm full stroke, 100 mm window, the -S magnet, and the -B male rod thread.
Quick checklist
- ✓ Need on-machine end-position tuning?
- ✓ Full stroke and adjust window (mm)
- ✓ Force at your working pressure
- ✓ Magnet (S) for sensors?
- ✓ Female (blank) or male (B) rod thread
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 adjuster nut after setting the stop.
- check The stop limits the EXTEND stroke only.
- check Avoid side load on the short piston rod.
- check Installation by qualified personnel per AirTAC docs.
Airtac ACQJ32~40 Adjustable Thin-Type Cylinder ACQJ40X200-100SB FAQ
It delivers 628.3 N push and 527.8 N pull at 0.5 MPa, and 879.6 N push at 0.7 MPa, with a maximum push of 128 kgf at 1.0 MPa. The usable extend range is 100-200 mm, achieved by shortening the 200 mm full stroke by up to a 100 mm window.
The external M12x1.25 adjuster only changes the extend length, leaving piston area and force unchanged versus a standard ACQ. Fixed NBR elastomer bumpers decelerate the load at stroke ends, and the -S magnet works with reed or solid-state switches. Note that a plain compact cylinder drifts on air loss, so use an external rod lock for fail-safe holding.
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Related AirTAC ACQJ Compact Cylinders
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