
The AirTAC Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ40X10-10S is a genuine double acting, adjustable stroke standard round-body mini air cylinder with a Ø40mm bore and 10mm stroke, 1/8" air ports and a stainless-steel barrel with a hard-chrome-plated rod for reliable, mildly corrosion-resistant service.
For a 10 mm push with room to fine-tune, the MAJ40X10-10S covers it: a double-acting bore 40 mini cylinder whose external stop screw trims the extend stroke anywhere inside the ordered 10 mm window. At 0.5 MPa the barrel develops 628.3 N of push, so plan on roughly 377 N of real work once you keep a margin - about 32 kg lifted vertically at 2:1. A piston magnet comes standard, so CMSG, DMSG or EMSG switches clamp straight on.
Build quality is the quiet advantage here. The stainless-steel round barrel with its hard-chrome plated 16 mm rod (M12x1.25 male thread) resists washdown and mild corrosion far better than painted minis, and the aluminium covers are rolled on for a compact, sealed body. Fixed anti-impact pads soften each stroke end; ports are 1/8". Pressure runs 0.15-1.0 MPa (22-145 psi) with speed from 30-800 mm/s.
| Model | Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ40X10-10S |
|---|---|
| Series | MAJ mini cylinder |
| Bore size | Ø40 mm |
| Stroke | 10 mm |
| Acting type | Double acting, adjustable stroke |
| Port size | 1/8" |
| Rod thread | M12×1.25 |
| 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 | Fixed anti-impact bumper pads |
| Max standard stroke | Up to 500 mm |
Specifications follow the official AirTAC MA-series datasheet. Barrel: stainless-steel tube (round-body, riveted rolling-packed construction); piston rod: carbon steel with 20µm hard-chrome plating; covers: aluminium alloy. Thread options: PT (blank) / G / NPT. Every MA-series cylinder ships with a built-in magnet for CMSG / DMSG / EMSG position sensors.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 628 N | 528 N |
| 0.7 MPa | 880 N | 739 N |
| Max (@1.0 MPa) | 128 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| MAJ | Standard round-body mini cylinder (adjustable-stroke). |
|---|---|
| 40 | Bore size in mm. |
| ×10 | Stroke length in mm. |
| -10 | Adjustable stroke window (mm the extend stroke can be shortened on site). |
| -S | Built-in magnet for CMSG / DMSG / EMSG sensors (standard on MA series). |
| CA / U / CM | Back-cover type: CA pivot, U flat-end, CM round-end. |
MA-family variants: MA / MAC (double acting ±cushion), MSA / MTA (single acting push / pull), MAD / MACD (double rod ±cushion), MAJ / MACJ (adjustable stroke ±cushion), MAR (cushioned with integrated F/U mount). Mounting accessories: FA flange, LB foot, SDB pivot; plus I and Y knuckles. Thread PT (blank) / G / NPT.
A 10 mm motion at 628.3 N seats an indexing pin into fixture holes on a rotary indexing table; the 10 mm window lets you fine-set the seat depth without shims.
The short throw flicks off-spec vials off a pharmaceutical conveyor, and the fixed bumper pads stop each kick without hammering the guide rail.
Pull a spring latch closed on a leak-test rig; 527.8 N of retract force at 0.5 MPa keeps it seated for the full test cycle.
Bore 40 is the strongest in the MA range - step down to a 32 mm MAJ for 402.2 N at 0.5 MPa if the load is lighter. Because the stop screw only limits the extend stroke, it is an end stop, not a mid-stroke lock: on air loss the piston will drift, so add a valve or clamp where the rod must be held. Mount with an FA flange or LB foot and add I or Y rod knuckles when the load pivots; SDB is not offered on this adjustable series.
Quick checklist
At 0.5 MPa: 628.3 N push and 527.8 N pull. At 0.7 MPa: 879.6 N push and 738.9 N pull. Theoretical maximum at 1.0 MPa is 128.1 kgf. Operating pressure is 0.15-1.0 MPa (22-145 psi) with proof at 1.5 MPa (215 psi), and speed spans 30-800 mm/s.
No. The stop screw sets where the extend stroke ends within the ordered 10 mm window; the fixed bumper pads only soften the arrival. Adjustable air cushioning belongs to the MACJ family, not this model.
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