
The AirTAC Airtac MACJ Stainless Steel Mini Adjustable Cylinder MACJ16X80-75S 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.
Short-throw positioning in tight machine frames suits the MACJ16X80-75S: a double-acting mini cylinder whose extend stroke can be wound down across a 75 mm window from its stop screw. The variable air cushion at both ends lets you raise speed without hammering the covers, and the riveted stainless barrel with hard-chrome plated rod outlasts painted bodies in damp, washed-down corners. Supply air at 0.15-1.0 MPa (22-145 psi) and run 30-800 mm/s.
Force-wise, the 16 mm bore gives 100.5 N push and 86.4 N pull at 0.5 MPa, up to 140.7 N push at 0.7 MPa and 20.5 kgf theoretical peak. Treat about 60 N as the dependable working force, and when matching part weights, expect roughly 5 kg of vertical lift with a 2:1 margin. Because the magnet is built in as standard, DMSG / CMSG / EMSG switches mount anywhere along the barrel.
| Model | Airtac MACJ Stainless Steel Mini Adjustable Cylinder MACJ16X80-75S |
|---|---|
| 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. |
| -75 | 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.
Retracts the gate pin that diverts bottles between guide rails on a filling line; the trim range absorbs last-minute changes to rail spacing.
Pulses a tension-arm flag on a spinning frame at up to 800 mm/s, with the both-end cushion keeping the arm from slamming at cycle ends.
Feeds blister cards into a small cartoner one at a time; 100.5 N of push at 0.5 MPa is ample for light card stock.
Bore 16 is the entry point of the series; if 100.5 N at 0.5 MPa leaves too little headroom, the next bore up, 20 mm, gives 157.0 N. Because the 75 mm window lets you trim the extend stroke well below 80 mm, check the shortest trimmed position still clears the fixture before ordering. Fix the body with an FA flange or LB foot and add I or Y knuckles on the rod where the load pivots, and treat the stop screw as a position stop - it will not hold a load if air pressure drops.
Quick checklist
The 16 mm bore yields 100.5 N push and 86.4 N pull at 0.5 MPa, 140.7 N push and 120.9 N pull at 0.7 MPa, and 20.5 kgf at a theoretical 1.0 MPa. Operating pressure spans 0.15-1.0 MPa (22-145 psi) with proof at 1.5 MPa (215 psi); speeds of 30-800 mm/s are typical.
Yes - the stop screw shortens the extend stroke across the ordered 75 mm window, though it cannot lengthen it past 80 mm. Mount with an FA flange or LB foot, and fit I or Y knuckles to the rod where the load pivots. Note the adjuster is an end stop, not a brake; the piston will still move if air is lost.
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