Airtac MAC Stainless Steel Mini Air Cylinder MAC20X15SCA
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC20X15SCA is a genuine double acting + cushion standard round-body mini air cylinder with a Ø20mm bore and 15mm 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.
- BoreØ20 mm
- Stroke15 mm
- Port size1/8"
- Acting typeDouble acting + cushion
- Rod threadM8×1.25
- CushionVariable air cushion, both ends
About the Airtac MAC Stainless Steel Mini Air Cylinder MAC20X15SCA
Only 15 mm of travel, yet the full output of a 20 mm double-acting bore: 157.0 N extending and 131.9 N retracting at 0.5 MPa, climbing to 219.8 N and 184.7 N at 0.7 MPa. Short strokes like this suit clamping, pressing and ejecting, and needle-screw air cushions at both ends still soften every stop even at 800 mm/s. Work to about 94 N of realistic push at 0.5 MPa - approximately an 8 kg vertical lift with margin.
A riveted stainless barrel and chrome-plated rod keep the body sound in coolant spray and humid shops, on air from 0.15-1.0 MPa (22-145 psi). The CA pivot rear cover lets the cylinder swing with a clamp arm or linkage instead of being bolted rigid, while the standard built-in magnet lets CMSG, DMSG or EMSG switches confirm every clamp-on and clamp-off.
Airtac MAC Stainless Steel Mini Air Cylinder MAC20X15SCA Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC20X15SCA |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 15 mm |
| Acting type | Double acting + cushion |
| Port size | 1/8" |
| Rod thread | M8×1.25 |
| 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 (Ø20mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 157 N | 132 N |
| 0.7 MPa | 220 N | 185 N |
| Max (@1.0 MPa) | 32 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 MAC20X15SCA
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 20 | Bore size in mm. |
| ×15 | 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 MAC20X15SCA Is Used
Drill jig hold-down
Swings a small hold-down clamp over aluminium brackets so they cannot lift while the drill passes.
Punch die eject
Gives short, firm ejection kicks that clear finished shims out of a small stamping die.
Damper blade actuator
Swings a compact air damper blade open and shut inside an HVAC duct section via its pivot pin.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC20X15SCA the Right Cylinder?
For such a short stroke you might drop to a 16 mm bore (100.5 N at 0.5 MPa) on light clamps, or step to 245.3 N on a 25 mm bore for stiffer clamping. Air enters through the 1/8 inch port. Because the MAC floats when air is removed or the valve centres, fit a rod lock or pilot check valve if the clamp must never relax. Pair the CA pivot with an SDB pivot bracket or LB foot to anchor the frame, and keep lateral load off the 8 mm rod.
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 MAC20X15SCA FAQ
At 0.5 MPa expect 157.0 N push and 131.9 N pull; at 0.7 MPa, 219.8 N push and 184.7 N pull. The 20 mm bore tops out theoretically at about 32 kgf at 1.0 MPa.
The CA back cover carries a pivot pin, so the cylinder can swing with a clamp arm or linkage. Add an SDB pivot bracket or LB foot elsewhere on the barrel when the frame needs a second anchor, and run it anywhere from 30 to 800 mm/s.
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