
The AirTAC Airtac MACJ Stainless Steel Mini Adjustable Cylinder MACJ63X160-100S is a genuine double acting, adjustable stroke + cushion standard round-body mini air cylinder with a Ø63mm bore and 160mm 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.
Top of the MA mini range, the MACJ63X160-100S pairs 160 mm of stroke with the widest 100 mm adjust window in this bore class. Double-acting by design, it develops 1557.9 N of extend force at 0.5 MPa and 2181.0 N at 0.7 MPa, a theoretical 317.7 kgf at 1.0 MPa. Both ends carry a variable air cushion to absorb the shock of heavy loads at speeds up to 800 mm/s.
Setup value comes from the window: drop the machine in, then dial the landing point over 100 mm instead of shimming or reordering. The stainless barrel and 20 um hard-chrome rod take damp or outdoor air in stride, and a magnet ships inside every piston, ready for CMSG, DMSG or EMSG switches. In practice, budget about 60% of the rating - close to 935 N - as your true working force so the stroke never falls short under load.
| Model | Airtac MACJ Stainless Steel Mini Adjustable Cylinder MACJ63X160-100S |
|---|---|
| Series | MACJ mini cylinder |
| Bore size | Ø63 mm |
| Stroke | 160 mm |
| Acting type | Double acting, adjustable stroke + 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.
| MACJ | Standard round-body mini cylinder (adjustable-stroke, variable cushion). |
|---|---|
| 63 | Bore size in mm. |
| ×160 | Stroke length in mm. |
| -100 | Adjustable stroke window (mm the extend stroke can be shortened on site). |
| -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.
Pushes full film rolls off the unwind shaft at changeover; 1557.9 N at 0.5 MPa moves heavy rolls, and the 100 mm window tunes push length per roll width.
Ejects drawn aluminium cups from the die on a 60-ton press; the stroke trims across the 100 mm window as die sets change between jobs.
Opens the aggregate hopper gate on a concrete batching plant; the variable cushion drops gate slam and the stainless barrel handles outdoor dust and damp.
If 1557.9 N at 0.5 MPa is more than the task needs, the 50 mm bore (981.3 N push at 0.5 MPa) is the next size down; nothing in the MA range is larger than 63 mm, so this is the ceiling for stainless mini work. The wide 100 mm window makes sense when several product variants share one machine and each needs its own stop position. For a 160 mm stroke, guide the load externally if any side force is present. FA and LB mounts plus I/Y rod knuckles complete the hardware. Treat the adjust screw as a travel stop only - it cannot park a mid-stroke load against air loss.
Quick checklist
Push 1557.9 N and pull 1457.4 N at 0.5 MPa; push 2181.0 N and pull 2040.3 N at 0.7 MPa; 317.7 kgf theoretical at 1.0 MPa. Stroke is 160 mm with a 100 mm adjust range, variable cushion at both ends, 1/4" air ports, a 16 mm rod with M14x1.5 male thread, and 30-800 mm/s speeds across 0.15-1.0 MPa (22-145 psi).
Yes. The stop screw at the rear caps the extend stroke anywhere inside the ordered 100 mm window, so commissioning tweaks need no new cylinder. It acts as a travel end stop only; it is not a load-holding brake, and the piston will still drift if supply pressure is lost.
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