Airtac MAC Stainless Steel Mini Air Cylinder MAC20X100SCM
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC20X100SCM is a genuine double acting + cushion standard round-body mini air cylinder with a Ø20mm bore and 100mm 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
- Stroke100 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 MAC20X100SCM
Where the rear of the machine is cramped, the CM round-end cover keeps the MAC20X100SCM profile tidy while still accepting fixed or bracketed mounting. Inside is a 20 mm bore pushing 157.0 N and pulling 131.9 N at 0.5 MPa, double acting with a variable air cushion at both ends of the 100 mm stroke.
The rolling-packed stainless barrel and hard-chrome rod handle humid workshops and light washdown without paint to flake off. A standard magnet means CMSG, DMSG or EMSG switches bolt on whenever sensing is required. For day-to-day sizing, count on roughly 94 N of usable thrust at 0.5 MPa - about 8 kg of vertical lift with a 2:1 safety factor.
Airtac MAC Stainless Steel Mini Air Cylinder MAC20X100SCM Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC20X100SCM |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 100 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 MAC20X100SCM
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 20 | Bore size in mm. |
| ×100 | 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 MAC20X100SCM Is Used
Carton flap tucker on a case packer
Folds the last flap before taping; 157.0 N at 0.5 MPa is ample, and the cushion stops the flap from being hammered at full extension.
Clamp slide on a welding fixture
Positions a small clamp block over a 100 mm stroke near weld spatter; the stainless body and chrome rod stand up to the hot, grimy environment.
Sample pusher in an analyser
Feeds sample cups into an analyser carousel one at a time; the magnet plus a CMSG switch verifies full retraction between samples.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC20X100SCM the Right Cylinder?
The 32 mm bore (402.2 N at 0.5 MPa) is the next step if loads grow; dropping to 16 mm (100.5 N) saves little space on a 20 mm body, so choose it only for very light work. This cylinder takes 1/8" ports and an M8x1.25 male rod thread, PT thread standard, running at 30-800 mm/s. The CM round end pairs neatly with FA flange or LB foot brackets when a stable fixing is required. Remember the rod is not locked: a centred valve or lost air lets the load drift, so fit a pilot check or rod lock for held positions. Strokes to 500 mm are catalog standard.
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 MAC20X100SCM FAQ
Yes. At 0.5 MPa: 157.0 N push and 131.9 N pull. At 0.7 MPa: 219.8 N push and 184.7 N pull. The theoretical peak for this 20 mm bore is 32.0 kgf at 1.0 MPa. Working pressure is 0.15-1.0 MPa (22-145 psi), proof pressure 1.5 MPa (215 psi).
It gives a smooth, compact rear face for tight enclosures and bolts straight to FA flange, LB foot or SDB pivot hardware when a defined mounting is needed. No special-order parts are involved, and the standard magnet still accepts CMSG, DMSG and EMSG switches.
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