
The AirTAC Airtac MACJ Stainless Steel Mini Adjustable Cylinder MACJ16X80-10S is a genuine double acting, adjustable stroke + cushion standard round-body mini air cylinder with a Ø16mm bore and 80mm stroke, M5×0.8 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 compact double-acting mini cylinder with an adjustable extend stroke: a 10 mm trim window lets you shorten the 80 mm stroke on site with a stop screw, and a variable air cushion at both ends soaks up end-of-stroke shock. At 0.5 MPa it pushes with 100.5 N and pulls with 86.4 N, enough for light clamping and ejecting in tight machines. The round stainless barrel and hard-chrome plated 6 mm rod shrug off washdown and damp shop air better than painted-steel minis.
Because it lifts about 5 kg vertically with a 2:1 margin (100.5 N at 0.5 MPa works out near 10 kg theoretical), it suits battery caps, small brackets and sensor targets. Air range is 0.15-1.0 MPa (22-145 psi), speed 30-800 mm/s, and the built-in magnet is standard, so CMSG, DMSG or EMSG switches click on without a special piston. The adjuster is a mechanical end stop, not a mid-stroke lock - the rod still drifts if air is lost.
| Model | Airtac MACJ Stainless Steel Mini Adjustable Cylinder MACJ16X80-10S |
|---|---|
| Series | MACJ mini cylinder |
| Bore size | Ø16 mm |
| Stroke | 80 mm |
| Acting type | Double acting, adjustable stroke + cushion |
| Port size | M5×0.8 |
| Rod thread | M6×1.0 |
| 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 300 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 | 101 N | 86 N |
| 0.7 MPa | 141 N | 121 N |
| Max (@1.0 MPa) | 21 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). |
|---|---|
| 16 | 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.
Kicks small molded caps or sprue pins off a mold face, with the 10 mm window set so the ejector clears the part without bottoming.
Swings tiny brackets off a conveyor lane at up to 800 mm/s; the cushion softens every hit so the striker does not chip painted parts.
Presses vial septa or coverslips home with about 60 N of working force, trimmed exactly to the sample height inside the 10 mm range.
This is the smallest bore in the range, so check upward before settling: bore 20 pushes 157.0 N at 0.5 MPa and bore 25 reaches 245.3 N if your clamp needs more than the roughly 60 N this cylinder should really be asked to do. Choose FA flange or LB foot mounting, with I or Y rod knuckles for pivoting loads. The stop screw shortens the extend stroke only - on air loss the rod can drift, so do not use it to hold a position.
Quick checklist
At 0.5 MPa it pushes 100.5 N and pulls 86.4 N; at 0.7 MPa, 140.7 N push and 120.9 N pull. Theoretical maximum at 1.0 MPa is 20.5 kgf. Operating pressure is 0.15-1.0 MPa (22-145 psi), proof 1.5 MPa (215 psi), speed 30-800 mm/s, air port M5x0.8.
Yes - every MA-series cylinder ships with the piston magnet already fitted, so CMSG, DMSG or EMSG switches clip onto the barrel for end-of-stroke signalling without any special-order piston.
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