
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC40X460SCA is a genuine double acting + cushion standard round-body mini air cylinder with a Ø40mm bore and 460mm 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.
Long-travel work is where the MAC40X460SCA earns its place: 460 mm of stroke on a cushioned, double-acting 40 mm body, with the variable air cushion at both ends protecting the covers across a fast 30-800 mm/s move. At 0.5 MPa it pushes 628.3 N, so keep real working loads near 377 N to preserve service life.
The stainless round barrel is rolled onto the covers - a riveted structure with no loose fasteners along the body - and the carbon-steel rod is hard-chrome plated, so a long rod exposed in a damp plant still resists pitting. The CA pivot back cover takes a pin mount for swinging gates and flaps, and the standard built-in magnet works with CMSG, DMSG or EMSG switches over the full travel.
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC40X460SCA |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø40 mm |
| Stroke | 460 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. |
| ×460 | 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.
Swings the access door of a paint-line tunnel open and closed; the 460 mm stroke clears the full doorway and the CA pivot cover lets the door hinge arc stay natural without linkages.
Tips a long divert flap on a warehouse conveyor lane; 628 N at 0.5 MPa lifts the flap against product drag and magnet switches confirm both end positions to the PLC.
Ejects boards off a planer-mill sorting chain with a long-reach pusher lever; the variable cushion keeps the 460 mm stroke from slamming the stop at high chain speeds.
Force comparison at 0.5 MPa: the 32 mm bore pushes 402 N and the 50 mm bore 981 N, so the 40 mm sits between them at 628 N. With 460 mm of rod exposed, keep the thrust in line with the bore axis or add an external guide - side loads bend a long rod and chew the cushion seals. The piston drifts when the valve centres, so a rod lock or pilot check valve is needed to park a load. The CA pivot back cover pairs naturally with an SDB pivot bracket for swinging motion, while FA flange and LB foot cover fixed anchoring. The built-in magnet is fitted as standard for CMSG / DMSG / EMSG switches.
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. The theoretical limit at 1.0 MPa is 128.1 kgf. The cylinder is double acting with a variable cushion at both ends, accepts 0.15-1.0 MPa (22-145 psi), moves at 30-800 mm/s and uses a 1/8" port.
Back both needle screws fully off before the first cycle, then close them gradually until end-of-stroke shock disappears at your working speed. The cushion is variable, not fixed, so re-trim it whenever you change speed or load; it softens impact but does not lock the piston in place.
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