Airtac B01-MAC Series Special Purpose Cylinder B01-MAC20X270SCA
The AirTAC Airtac B01-MAC Series Special Purpose Cylinder B01-MAC20X270SCA is a genuine double acting + cushion standard round-body mini air cylinder with a Ø0mm bore and 270mm stroke, PT/G 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.
- BoreØ0 mm
- Stroke270 mm
- Port sizePT/G
- Acting typeDouble acting + cushion
- Rod thread
- CushionVariable air cushion, both ends
About the Airtac B01-MAC Series Special Purpose Cylinder B01-MAC20X270SCA
A 270 mm stroke on a 20 mm bore puts the MAC20X270SCA in the light push-and-lift class: at 0.5 MPa it pushes 157 N and pulls 131.9 N, enough for gates, slides and clamps that travel further than they force. Air drives the rod both ways because this is a double-acting cylinder, and a variable air cushion at each end soaks up end-of-stroke shock so you can run it near the 800 mm/s ceiling without hammering the covers.
The stainless round barrel with its hard-chrome plated 8 mm rod shrugs off mild corrosion and washdown, a genuine edge over painted-steel minis in damp or food-area duty. Every unit ships with a built-in magnet, so CMSG / DMSG / EMSG switches clip on straight from the box, and the CA pivot back cover lets the cylinder swing in a linkage with no extra bracket. If you plan the job around about 94 N of real working force at 0.5 MPa, you leave a healthy margin under the 157 N rating.
Airtac B01-MAC Series Special Purpose Cylinder B01-MAC20X270SCA Technical Specifications
| Model | Airtac B01-MAC Series Special Purpose Cylinder B01-MAC20X270SCA |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø0 mm |
| Stroke | 270 mm |
| Acting type | Double acting + cushion |
| Port size | PT/G |
| Rod thread |
| 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 (Ø0mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 0 N | 0 N |
| 0.7 MPa | 0 N | 0 N |
| Max (@1.0 MPa) | 0 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac B01-MAC Series Special Purpose Cylinder B01-MAC20X270SCA
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 0 | Bore size in mm. |
| ×270 | 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 B01-MAC Series Special Purpose Cylinder B01-MAC20X270SCA Is Used
Bottling-line lane divider
Pushes a divider blade across the lane to split bottle flow into two lines; 157 N at 0.5 MPa is ample for the blade, and the cushioned ends keep the divider from rattling at line speed.
Sliding guard on a bench punch
Air extends and retracts the guard panel across 270 mm of travel; a CMSG switch on the standard magnet confirms the guard is fully open before the punch cycle starts.
Small-parts lift in an assembly jig
With a 2:1 margin the 20 mm bore raises roughly 8 kg vertically, enough to lift fixture plates or nested parts between assembly stations.
Is the Airtac B01-MAC Series Special Purpose Cylinder B01-MAC20X270SCA the Right Cylinder?
Step down to the MAC16X270 if 100.5 N push at 0.5 MPa covers the load, or step up to a 25 mm bore when you need the 245.3 N class. Remember the plain MAC drifts when air is removed - add a rod lock or pilot check valve if the load must stay put. The 8 mm rod over a 270 mm stroke deserves a look at side load: keep it near zero or guide the load externally, and pick FA flange, LB foot or SDB pivot brackets plus I or Y rod knuckles as the frame demands.
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 B01-MAC Series Special Purpose Cylinder B01-MAC20X270SCA FAQ
At 0.5 MPa the bore pushes 157 N and pulls 131.9 N. Raise supply to 0.7 MPa and push climbs to 219.8 N (pull 184.7 N). The theoretical maximum is 32 kgf at 1.0 MPa. Run it on 40 um filtered air at 0.15-1.0 MPa (22-145 psi), rod speed 30-800 mm/s, with 1/8" ports and an M8x1.25 male rod thread.
Both ends of the MAC20X270SCA carry variable needle-screw cushions. Back them fully off before the first stroke, then close them gradually until end-of-stroke impact disappears. They only slow the piston near the covers - never treat them as a brake.
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