
The AirTAC Airtac B07-TCM Automotive-Specific Triaxial Cylinder B07-TCM50X225S is a genuine JIS-standard guided cylinder with a Ø50mm bore and 225mm stroke on twin guide rods. Its integrated brass sliding bearing gives high radial-load and impact resistance — about double the horizontal impact tolerance of a plain cylinder, holding the tool square to ±0.05° of rotation without any external linear guide.
The AirTAC B07-TCM50X225S is a JIS-standard twin-rod guided cylinder engineered for automotive assembly lines. The B07- prefix designates this as an automotive-industry dedicated variant, mechanically identical to the standard TCM50X225S. A central drive piston runs between two guide rods supported by brass sliding bearings, integrating the drive and guide functions into one rigid body to eliminate the need for an external linear rail. Delivering 982 N of push force at 0.5 MPa, it carries heavy panels and chassis components with ease.
The brass sliding bearing is built for harsh, dirty environments, shrugging off weld spatter, grit, and coolant where a steel-ball guide would jam or wear prematurely. It provides roughly double the horizontal impact resistance of a plain cylinder. Anti-rotation precision is held to ±0.05°, keeping an off-centre gripper or fixture plate perfectly square during rapid transfers. Stroke termination relies on fixed TPU rubber bumpers at each end; there is no adjustable air cushion screw to tune. The integrated magnet enables position feedback via CS1 reed or DS1 electronic switches in the four sensor slots.
| Model | Airtac B07-TCM Automotive-Specific Triaxial Cylinder B07-TCM50X225S |
|---|---|
| Series | TCM JIS guided (twin-rod) cylinder |
| Bore size | Ø50 mm |
| Stroke | 225 mm |
| Acting type | Double acting |
| Bearing | Brass sliding bearing |
| Port size | 1/4" |
| 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 – 500 mm/s |
| Non-rotating tolerance | ±0.05° (retracted) |
| Cushion | Rubber bumper |
| Max std stroke | Up to 250 mm |
Specifications follow the official AirTAC TCL/TCM series datasheet (JIS standard). Confirm against the product label before installation. Thread options: PT (blank) / G / NPT. Every TC model ships with a built-in magnet for sensor switches.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 982 N | 825 N |
| 0.7 MPa | 1374 N | — |
| Max | 200 kgf | |
Force is set by the bore and piston rod (Ø20 mm); the twin guide rods carry side load and torque, not thrust. Actual usable force is lower than theoretical due to friction and back-pressure.
| TC | Tri-rod (guided, twin-rod) cylinder, double acting. |
|---|---|
| M | Bearing: Brass sliding bearing (M = brass sliding). |
| 50 | Bore size in mm. |
| ×225 | Stroke length in mm. |
| S | Built-in magnet (standard on TC) for a magnetic sensor switch. |
Sister type: TCL50X225 (steel-ball linear bearing, lower friction & higher precision). Thread codes: blank = PT · G · T = NPT.
Pushes heavy sheet metal doors and fenders between welding stations. The brass sliding bearing tolerates weld spatter and dust, maintaining ±0.05° accuracy while delivering 982 N of thrust at 0.5 MPa.
Actuates an unbalanced end-effector holding engine blocks. The twin guide rods absorb the induced moment load, preventing rod deflection where a plain cylinder would bind and fail.
Stops and positions heavy axle subassemblies on a moving assembly line. The impact-resistant brass bearing absorbs the hard lateral knock of the arriving pallet without jamming.
Selecting this 50 mm bore provides 982 N push and 825 N pull at 0.5 MPa. If you need less force to move a lighter bracket, the Ø40 bore yields 628 N of push. For heavier powertrain lifting, stepping up to the Ø63 bore provides 1559 N. Remember that the guide unit resists torsion and radial load, but the cylinder will drift downward if air pressure is lost or the directional valve is centred. To prevent gravity drops on a vertical lift, install an external pilot-operated check valve or a dedicated rod lock. The 225 mm stroke falls within the 250 mm maximum standard stroke for this bore, so it ships as a regular catalog item. The 1/4" port uses a PT thread form, and the standard S magnet is included for switch mounting.
Quick checklist
At 0.5 MPa, this 50 mm bore cylinder generates 982 N of push force and 825 N of pull force. When operating at the maximum pressure of 0.7 MPa, the push force increases to 1374 N. The theoretical maximum force is rated at 200 kgf.
The B07- prefix indicates this is an AirTAC automotive-industry dedicated variant of the base TCM50X225S. It is mechanically identical to the standard model, using the exact same 50 mm bore, 225 mm stroke, 1/4" PT ports, and brass sliding bearing. The designation simply marks it for automotive line integration.
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