Airtac MAC Stainless Steel Mini Air Cylinder MAC40X220SCA
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC40X220SCA is a genuine double acting + cushion standard round-body mini air cylinder with a Ø40mm bore and 220mm 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
- Stroke220 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 MAC40X220SCA
A 40 mm bore puts the MAC40X220SCA in the workhorse class of the MAC mini family: 628.3 N of push and 527.8 N of pull at 0.5 MPa, with air driving the rod in both directions and a variable cushion at each end to tame end-of-stroke shock. The riveted body wraps a stainless-steel tube around a hard-chrome plated carbon-steel rod, a finish that shrugs off washdown and outdoor damp far better than painted mini cylinders.
Two practical numbers: set continuous duty around 377 N, a comfortable 60 percent of the rated push, and treat this as a cylinder that lifts about 32 kg vertically once you keep a 2:1 margin. The CA pivot back cover pins straight into a clevis without extra brackets, and because the magnet ships standard, CMSG, DMSG and EMSG switches clip on without a special piston.
Airtac MAC Stainless Steel Mini Air Cylinder MAC40X220SCA Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC40X220SCA |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø40 mm |
| Stroke | 220 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 MAC40X220SCA
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 40 | Bore size in mm. |
| ×220 | 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 MAC40X220SCA Is Used
CNC fixture clamping
Clamps aluminium brackets against a drill jig; 628.3 N at 0.5 MPa holds parts securely through light milling and drilling cycles.
Tote push-off station
Kicks filled totes off a roller conveyor at 30-800 mm/s, with the variable cushion letting it cycle fast without hammering the covers.
Pivot arm on a packaging line
The CA back cover pins to a clevis lever that rotates a divert arm between two lanes on a carton conveyor.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC40X220SCA the Right Cylinder?
Step down to a 32 mm bore if 402.2 N at 0.5 MPa is enough, or up to 50 mm (981.3 N) for heavier clamping. This cylinder drifts freely when the valve centres or air drops, so fit a rod lock or pilot check valve wherever the load must stay put. Mounting is flexible: FA flange or LB foot for fixed frames, SDB pivot bracket alongside the CA cover, and I or Y knuckles threaded onto the 16 mm rod end M12x1.25.
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 MAC40X220SCA FAQ
At 0.5 MPa the piston pushes 628.3 N and pulls 527.8 N. At 0.7 MPa those rise to 879.6 N and 738.9 N, and the theoretical peak is 128.1 kgf at 1.0 MPa. Supply is 0.15-1.0 MPa (22-145 psi) of air filtered to 40 um, moving the rod at 30-800 mm/s.
Every MAC40X220SCA ships with a built-in magnet, so CMSG, DMSG or EMSG switches clamp onto the stainless barrel without ordering a special piston. Slide the switch along the stroke to signal extend, retract or mid-travel positions.
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