
The AirTAC Airtac MACJ Stainless Steel Mini Adjustable Cylinder MACJ32X80-10S is a genuine double acting, adjustable stroke + cushion standard round-body mini air cylinder with a Ø32mm bore and 80mm stroke, 1/8" air ports and a stainless-steel barrel with a hard-chrome-plated rod for reliable, mildly corrosion-resistant service. A variable air cushion at both ends lets you tune end-of-stroke deceleration on site.
A tight 10 mm window makes the MACJ32X80-10S the trim-it-once model of the range: set the extend stop within the 80 mm stroke during commissioning and leave it alone. Inside is the standard MA construction - a stainless round barrel rolled onto aluminium covers, a 12 mm hard-chrome rod, and a variable cushion at both ends of a double-acting body.
At 0.5 MPa it pushes 402 N and returns with 345 N; halve the 41 kg vertical-lift equivalent and you still get a cylinder that raises about 20 kg with a 2:1 margin. That math is what makes it handy for light lift-and-set tasks run between 30 and 800 mm/s on 0.15-1.0 MPa (22-145 psi) air, proof pressure 1.5 MPa (215 psi).
| Model | Airtac MACJ Stainless Steel Mini Adjustable Cylinder MACJ32X80-10S |
|---|---|
| Series | MACJ mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 80 mm |
| Acting type | Double acting, adjustable stroke + cushion |
| Port size | 1/8" |
| 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 | Variable air cushion, both ends |
| 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 | 402 N | 346 N |
| 0.7 MPa | 563 N | 484 N |
| Max (@1.0 MPa) | 82 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| MACJ | Standard round-body mini cylinder (adjustable-stroke, variable cushion). |
|---|---|
| 32 | Bore size in mm. |
| ×80 | 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.
Raising about 20 kg components off a nest at a workstation with a 2:1 force margin on the 402 N push.
A sensor-checked clamp-and-go position where the last 10 mm of travel is fine-tuned to seat the part.
Folding carton flaps on a packing bench; the cushion takes the snap out of each fold cycle.
The 402 N push at 0.5 MPa doubles the MACJ25's 245 N and is beaten by the MACJ40's 628 N - pick by load plus cushion needs, not bore alone. Remember the 10 mm adjuster only shortens extend travel as a stop; on air loss the rod still drifts, so it will not support a suspended load on its own. Bolt it up with the FA flange or LB foot, use I or Y knuckles where the rod sees misalignment, and the built-in magnet takes CMSG, DMSG or EMSG switches.
Quick checklist
Push 402.2 N and pull 345.6 N at 0.5 MPa; 563.0 N push and 483.8 N pull at 0.7 MPa; 82 kgf theoretical max at 1.0 MPa. Double-acting, adjustable extend stroke within a 10 mm window, variable cushion at both ends, 0.15-1.0 MPa (22-145 psi) working, 1.5 MPa (215 psi) proof, 30-800 mm/s, 1/8" port, M10x1.25 rod thread.
It is a stop screw that lets you shorten the extend stroke by up to 10 mm from the full 80 mm - useful for seating parts to an exact depth. It trims travel only; it cannot extend past 80 mm and it is not a brake that holds the piston when air is removed.
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