Airtac MAC Stainless Steel Mini Air Cylinder MAC63X25SCA
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC63X25SCA is a genuine double acting + cushion standard round-body mini air cylinder with a Ø63mm bore and 25mm 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
- Stroke25 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 MAC63X25SCA
A pivoting eye at the back changes everything: the MAC63X25SCA hangs its 63 mm bore from a CA back cover, so the 1558 N push at 0.5 MPa follows the linkage instead of fighting it. Double acting with variable air cushions at both ends, this 25 mm stroke lifts loads out and sets them down without hammering the covers. For sizing, figure on about 935 N of dependable working force at 0.5 MPa - roughly 79 kg of straight-up lift once you keep a 2:1 margin.
Underneath, the build is classic round-body MAC: a stainless barrel rolled and riveted onto aluminium covers with a 16 mm hard-chrome plated rod inside, an arrangement that outlasts painted-steel minis in outdoor or food-plant air. The magnet is factory-fitted, never a paid option, so CMSG / DMSG / EMSG position switches clip straight on. Air enters through 1/4" ports, the rod carries an M14x1.5 thread, and speed runs 30-800 mm/s across the stroke.
Airtac MAC Stainless Steel Mini Air Cylinder MAC63X25SCA Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC63X25SCA |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø63 mm |
| Stroke | 25 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 MAC63X25SCA
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 63 | Bore size in mm. |
| ×25 | 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 MAC63X25SCA Is Used
Scissor-lift assist links
The CA eye pivots through the scissor geometry while 1558 N at 0.5 MPa raises tooling carts on assembly floors.
Mixing kettle lid lifts
25 mm of travel cracks open kettle lids in food plants; the stainless barrel laughs at steam and caustic rinse.
Press die ejector arms
Kicks stamped parts off the die, and the cushions absorb the return so the linkage is not slammed at stroke end.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC63X25SCA the Right Cylinder?
Between a MAC50X25 pushing 981 N at 0.5 MPa and this 63 mm bore, the jump is over 500 N - choose by load, not habit, since 63 mm is the top of the range at 317.7 kgf theoretical. Supply it 0.15-1.0 MPa (22-145 psi) of air filtered to 40 um. Remember a plain MAC drifts when the valve centres; a pilot check valve or rod lock is the fix for suspended loads. If the machine wants fixed mounting rather than a pivot, swap the code to a CM or U back cover instead.
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 MAC63X25SCA FAQ
Push at 0.5 MPa is 1558 N and pull is 1457 N; at 0.7 MPa expect 2181 N push and 2040 N pull. The theoretical peak is 317.7 kgf at 1.0 MPa. In practice, plan circuits around roughly 935 N of working push at 0.5 MPa.
A built-in pivot at the rear, so the cylinder swings inside a linkage without extra clevis brackets. It rides on the standard MAC construction - riveted stainless barrel, hard-chrome plated rod, aluminium covers - and because the magnet comes fitted, CMSG / DMSG / EMSG switches give position feedback without ordering a special piston.
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