Airtac MAC Stainless Steel Mini Air Cylinder MAC40X10SU
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC40X10SU is a genuine double acting + cushion standard round-body mini air cylinder with a Ø40mm bore and 10mm 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.
- BoreØ40 mm
- Stroke10 mm
- Port size1/8"
- Acting typeDouble acting + cushion
- Rod threadM12×1.25
- CushionVariable air cushion, both ends
About the Airtac MAC Stainless Steel Mini Air Cylinder MAC40X10SU
Flat-ended and flush-mount friendly, the MAC40X10SU uses its U back cover to bolt square against a shoulder or plate. The 40 mm bore gives 628 N push and 528 N pull at 0.5 MPa over a 10 mm stroke, double acting with a variable air cushion at each end to tame the stop. Supply 0.15-1.0 MPa (22-145 psi) and cycle anywhere from 30-800 mm/s.
Construction is a riveted stainless-steel round barrel with a hard-chrome plated 16 mm rod - a combination that outlasts painted minis in humid cells and light washdown areas. The piston magnet is included as standard, so CMSG / DMSG / EMSG switches clip on for end-of-stroke feedback. For sizing, the bore can theoretically reach about 128 kgf at 1.0 MPa; lifting roughly 32 kg vertically is realistic with a 2:1 margin.
Airtac MAC Stainless Steel Mini Air Cylinder MAC40X10SU Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC40X10SU |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø40 mm |
| Stroke | 10 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.
Theoretical Output Force (Ø40mm)
| 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.
Model Code: Airtac MAC Stainless Steel Mini Air Cylinder MAC40X10SU
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 40 | Bore size in mm. |
| ×10 | 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.
Where the Airtac MAC Stainless Steel Mini Air Cylinder MAC40X10SU Is Used
Ejector under a stamping die
Pushes finished blanks clear of the die face; the short 10 mm kick is cushioned so thin parts never ding.
Gate latch on a tote lift
Slides a latch pin to secure totes on a vertical lift, with the stainless body tolerating humid warehouse air.
Index stop on a rotary table
Deploys a stop pin between indexes; the flat-end cover seats directly against the table bracket.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC40X10SU the Right Cylinder?
If 628 N is more than the job needs, the 25 mm bore offers 245 N push at 0.5 MPa; if the tooling grows, jump to 981 N with the 50 mm bore. Do not rely on the cylinder to hold a load with the valve centred - it will drift, so specify a rod lock or pilot check valve for held positions. The U flat-end mates with FA flange or LB foot plates, and PT, G or NPT port threads can be chosen at order.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT / G / NPT)
- ✓ Magnet (-S) is standard for sensors
- ✓ Back cover (CA/U/CM) & mount (FA/LB/SDB)
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Do not dismantle the riveted front/back covers.
- check On first run, back off the cushion screws and release gradually.
- check Installation by qualified personnel per AirTAC docs.
Airtac MAC Stainless Steel Mini Air Cylinder MAC40X10SU FAQ
Push 628 N, pull 528 N at 0.5 MPa; push 880 N, pull 739 N at 0.7 MPa; theoretical maximum about 128 kgf at 1.0 MPa. Bore 40 mm, stroke 10 mm, 16 mm rod with M12x1.25 thread, 1/8" air ports, 0.15-1.0 MPa (22-145 psi), 30-800 mm/s.
It gives a flat face on the rear cover, so the cylinder butts straight against a plate or shoulder without a pivot. It is the simplest mounting choice when the actuator is fixed and the load is externally guided.
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