
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC63X250SCM is a genuine double acting + cushion standard round-body mini air cylinder with a Ø63mm bore and 250mm 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.
A CM round-end cover lets the MAC63X250SCM sit in compact clamp fixtures and tight cavities where a flat boss or pivot pin will not fit, while the 63 mm bore inside still turns 0.5 MPa into 1558 N of push and 1457 N of pull, double acting, with a variable air cushion trimming each end.
Worked out vertically, the 0.5 MPa push lifts about 158 kg, or near 79 kg once a 2:1 margin is kept back. The barrel is stainless steel rolled up with the covers into one sealed round body, the 16 mm rod is hard-chrome plated to shrug off corrosion, and the factory-fitted magnet pairs with CMSG, DMSG and EMSG switches for position feedback on the 250 mm stroke.
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC63X250SCM |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø63 mm |
| Stroke | 250 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.
| 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.
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 63 | Bore size in mm. |
| ×250 | 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.
Compacts loose cartons into a baler chamber; about 935 N of working force packs the charge over 250 mm of travel.
Shuffles heavy die carts into the press rails; the CM round-end cover fits the compact spacing beside the press.
Trims the nip between bowls by pushing the top roll frame; the built-in magnet and an EMSG switch confirm position.
Only step down to the 50 mm bore, worth 981 N at 0.5 MPa, when the load sits well under this unit's rating - there is no larger MA bore to grow into. The CM round-end cover suits tight fixtures; FA flange, LB foot and SDB pivot brackets cover other frames. The piston is air-balanced only, so on valve centre or air loss it coasts freely - a rod lock or pilot check valve is the fix wherever a position must hold. With 250 mm of travel, support the load in its own guides and align the thrust axis so the 16 mm rod sees push, not side bending.
Quick checklist
Push 1558 N and pull 1457 N at 0.5 MPa; push 2181 N and pull 2040 N at 0.7 MPa; theoretical maximum 317.7 kgf at 1.0 MPa. Supply air at 0.15-1.0 MPa (22-145 psi), filtered to 40 um.
Yes for typical service: the barrel is stainless steel and the 16 mm rod is hard-chrome plated about 20 um, so splash, humidity and mild washdown agents are well handled; covers are aluminium alloy. Ports are 1/4" and the rod thread is M14x1.5.
Genuine AirTAC parts produced by AirTAC factory.
Covers non-human-caused product damage.
Standard models usually ship in 3-4 days.
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