
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC40X200SCA is a genuine double acting + cushion standard round-body mini air cylinder with a Ø40mm bore and 200mm 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.
Built around a riveted stainless-steel barrel with a hard-chrome plated 16 mm rod, the AirTAC MAC40X200SCA is a round-body mini cylinder that pushes 628 N and pulls 528 N at 0.5 MPa (72.5 psi), rising to 880 N of push at 0.7 MPa (101.5 psi). Air drives the piston both ways and a variable cushion at each end soaks up end-of-stroke shock, so the 200 mm stroke can be run faster without hammering the covers.
The CA pivot back cover swings with the load, so linkages and hinged gates mount straight to the cylinder without an added bracket. The magnet is factory-fitted, which means CMSG, DMSG or EMSG switches simply clip on for end-of-stroke signalling. Derate to three-fifths of the rated push and you have about 377 N of real work at 0.5 MPa - enough for a 32 kg vertical lift with a 2:1 margin.
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC40X200SCA |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø40 mm |
| Stroke | 200 mm |
| Acting type | Double acting + cushion |
| 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 | 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 | 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.
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 40 | Bore size in mm. |
| ×200 | Stroke length in mm. |
| -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.
The CA pivot lets the cylinder swing a divert gate across a packaging conveyor, with 628 N more than enough to push stacked trays aside.
Closing a swing clamp on a machining fixture at 0.5 MPa leaves roughly 377 N of useful clamping force over the full 200 mm of travel.
Raising a slide-up guard on a press line: the rod lifts about 64 kg of guard weight in theory, so plan closer to 32 kg for a safe margin.
Sizing check: the 25 mm bore of the same family manages 245 N push at 0.5 MPa and the 50 mm bore reaches 981 N, so 40 mm is the middle choice when a few hundred newtons is the target. Ports are 1/8 inch (PT as standard, G or NPT on request) and the rod thread is M12x1.25. A plain MAC does not park its load - when air drops the piston drifts - so fit a rod lock or pilot check valve wherever the 200 mm stroke must hold position. Keep side loads off the 16 mm rod over a stroke this long, and bolt on FA flange or LB foot hardware if the CA pivot alone does not suit the frame.
Quick checklist
At 0.5 MPa the 40 mm bore pushes 628.3 N and pulls 527.8 N; at 0.7 MPa push rises to 879.6 N with pull at 738.9 N. The theoretical ceiling is 128.1 kgf at 1.0 MPa. Supply runs 0.15-1.0 MPa (22-145 psi) and speed 30-800 mm/s.
The cushion needle screws arrive seated. Back both off before the first stroke, then close them gradually until end-of-stroke impact disappears - the cushion is variable, so you tune it to each load rather than accepting a fixed bumper.
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