
The AirTAC Airtac B02-TCL Welding Special Triple-Axis Cylinder B02-TCL40X60S is a genuine JIS-standard guided cylinder with a Ø40mm bore and 60mm stroke on twin guide rods. Its integrated steel-ball linear bearing gives low-friction, high-precision travel — well suited to vertical lifts and high-load, high-accuracy moves, holding the tool square to ±0.05° of rotation without any external linear guide.
The B02-TCL40X60S is AirTAC's welding-industry dedicated variant of the TCL40X60S, engineered specifically for clamping and fixturing in automated welding cells. The B02- prefix designates this application focus without altering the core mechanics: it remains a JIS guided twin-rod double-acting cylinder with a steel-ball linear bearing. Delivering 628 N of push at 0.5 MPa, it uses a drive piston running between two integrated guide rods to support high torque and side loads. This integrated design eliminates the need to align a separate external linear rail.
Precision is vital in robotic welding, and this bore's ±0.05° non-rotating tolerance ensures a clamping plate or fixture stays perfectly square under off-centre loads. The steel-ball linear bearing provides low-friction, stick-slip-free travel ideal for smooth vertical lifts and high-cycle actuation. Air is plumbed via 1/8" ports, while the Ø16 piston rod handles the drive force. Stroke ends are damped by fixed elastomer pads rather than an adjustable cushion, and the standard built-in magnet supports CS1 reed or DS1 electronic switches across four sensor slots.
| Model | Airtac B02-TCL Welding Special Triple-Axis Cylinder B02-TCL40X60S |
|---|---|
| Series | TCL JIS guided (twin-rod) cylinder |
| Bore size | Ø40 mm |
| Stroke | 60 mm |
| Acting type | Double acting |
| Bearing | Steel-ball linear bearing |
| Port size | 1/8" |
| 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 | 628 N | 528 N |
| 0.7 MPa | 880 N | — |
| Max | 128 kgf | |
Force is set by the bore and piston rod (Ø16 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. |
|---|---|
| L | Bearing: Steel-ball linear bearing (L = linear ball). |
| 40 | Bore size in mm. |
| ×60 | Stroke length in mm. |
| S | Built-in magnet (standard on TC) for a magnetic sensor switch. |
Sister type: TCM40X60 (brass sliding bearing, more impact/dust tolerant). Thread codes: blank = PT · G · T = NPT.
Leverages the 628 N push at 0.5 MPa to position spot welding tips. The steel-ball linear bearing ensures smooth, low-friction travel with no stick-slip, maintaining repeatable electrode alignment cycle after cycle.
Holds parts square in a robotic cell. The ±0.05° non-rotating tolerance keeps the clamp face perfectly aligned against off-centre workpieces, while the twin-rod guide absorbs the side load without an external rail.
Acts as a heavy stop or diverter on a welding assembly line. The 60 mm stroke moves quickly at 30-500 mm/s, and the integrated guide rods handle the moment load of halting a moving pallet without deflection.
When sizing this model, consider stepping to a neighbouring bore. Moving down to Ø32 yields roughly 402 N of push at 0.5 MPa, while stepping up to Ø50 provides 982 N, letting you dial in the exact clamping force your fixture requires. For welding environments with heavy impact loads or high dust, the sister TCM series with its brass sliding bearing may offer better radial-load durability, though it lacks the linear precision of the TCL. To order an exact replacement, specify bore 40, stroke 60, 1/8" port, PT thread, and the standard S magnet. Note that a TC does not hold its load if air pressure drops or the valve is centred; the rod will drift. For fail-safe clamping during an emergency stop, integrate an external rod lock or pilot-operated check valve.
Quick checklist
This 40 mm bore cylinder generates 628 N of push and 528 N of pull at 0.5 MPa. At 0.7 MPa, the push force increases to 880 N. The maximum theoretical force is 128 kgf at 1.0 MPa. It operates at speeds of 30-500 mm/s.
The B02- prefix marks this as AirTAC's welding-industry dedicated line; mechanically, it is identical to the TCL40X60S. Regarding end-of-stroke damping, each end lands on a fixed TPU bumper. There is no adjustable air cushion or cushion screw to set.
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