Airtac MAC Stainless Steel Mini Air Cylinder MAC63X120SCA
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC63X120SCA is a genuine double acting + cushion standard round-body mini air cylinder with a Ø63mm bore and 120mm stroke, 1/4" 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.
- BoreØ63 mm
- Stroke120 mm
- Port size1/4"
- Acting typeDouble acting + cushion
- Rod threadM14×1.5
- CushionVariable air cushion, both ends
About the Airtac MAC Stainless Steel Mini Air Cylinder MAC63X120SCA
With 120 mm of travel on the biggest bore of the series, the MAC63X120SCA moves serious loads: 1558 N forward and 1457 N back at 0.5 MPa, 2181 N forward at 0.7 MPa, peaking at 317.7 kgf theoretically. The double-acting piston carries a variable cushion at each end, so even at the top of the 30-800 mm/s speed range the stroke ends gently instead of hammering the covers.
Construction is a rolled stainless-steel tube riveted to aluminium covers with a hard-chrome plated rod - a compact round body with nothing to work loose, and one that tolerates splash and humidity well. Sensing needs no options either: the magnet ships inside every piston for CMSG, DMSG and EMSG switches. If you size by lifting, 1558 N equates to about 159 kg of vertical pull; with a 2:1 margin that is roughly 79 kg of real lifting per unit.
Airtac MAC Stainless Steel Mini Air Cylinder MAC63X120SCA Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC63X120SCA |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø63 mm |
| Stroke | 120 mm |
| Acting type | Double acting + cushion |
| Port size | 1/4" |
| Rod thread | M14×1.5 |
| 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 (Ø63mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 1559 N | 1458 N |
| 0.7 MPa | 2182 N | 2041 N |
| Max (@1.0 MPa) | 318 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 MAC63X120SCA
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 63 | Bore size in mm. |
| ×120 | 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 MAC63X120SCA Is Used
Case squaring pusher
Case pusher on a carton line: 120 mm of travel squares a box against a stop with 1558 N behind it at 0.5 MPa.
Scrap chute gate
Scrap chute gate under a press-shop conveyor, opened and closed by a pivot-mounted cylinder that cushions at both ends of every cycle.
Pallet push-off
Pallet-layer push-off in an unheated warehouse cell, where the stainless riveted body stands up to humid air year round.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC63X120SCA the Right Cylinder?
The next size down at this stroke, the 40 mm bore, makes 628 N at 0.5 MPa - choose this 63 mm model when pushers or chutes carry real weight. At 120 mm, side loads start to matter: guide the load externally or fit an I knuckle so the 16 mm rod stays straight. The CA pivot back cover suits linkages and swing arms, and FA flange or LB foot brackets adapt it to fixed frames. Air loss means drift - the cushion never acts as a brake - so specify a rod lock if the load must stay extended unpowered.
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 MAC63X120SCA FAQ
Output is 1558 N push and 1457 N pull at 0.5 MPa, 2181 N push and 2040 N pull at 0.7 MPa, with a 317.7 kgf theoretical maximum. Ports are 1/4", the rod is 16 mm with M14x1.5 thread, operating pressure is 0.15-1.0 MPa (22-145 psi), proof pressure 1.5 MPa (215 psi), and speed spans 30-800 mm/s.
Before the first run, back both cushion needle screws fully off, then close them gradually until the 120 mm stroke ends without knock. Cushioning is variable at both ends, so you can dial in a soft stop even when running up to 800 mm/s with heavy tooling attached.
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