Airtac B02-TCM Welding Dedicated Triple-Axis Cylinder B02-TCM40X25S
The AirTAC Airtac B02-TCM Welding Dedicated Triple-Axis Cylinder B02-TCM40X25S is a genuine JIS-standard guided cylinder with a Ø40mm bore and 25mm 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 ±0.06° of rotation without any external linear guide.
- BoreØ40 mm
- Stroke25 mm
- Port size1/8"
- BearingBrass sliding bearing
- Non-rotating±0.06°
- CushionRubber bumper
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac B02-TCM Welding Dedicated Triple-Axis Cylinder B02-TCM40X25S
The B02-TCM40X25S is AirTAC's welding-industry dedicated variant of the TCM40X25S, mechanically identical to the base JIS guided twin-rod cylinder but designated for welding-line automation. A drive piston runs between two guide rods in a single integrated body, utilizing a brass sliding bearing that shrugs off grit and weld spatter where a steel-ball linear guide would jam. This construction yields roughly double the horizontal impact resistance of a plain cylinder, making it highly tolerant of hard knocks and heavy radial loads. Delivering 628 N of push at 0.5 MPa, it is built for tough fixturing and clamping duty.
Precision is maintained under off-centre loads with a non-rotating tolerance of ±0.06°, keeping your gripper or clamp plate perfectly square during the weld cycle. The Ø16 mm piston rod is fed by 1/8" ports, and the standard built-in magnet enables position feedback via CS1 reed or DS1 electronic switches in the four sensor slots. Stroke ends are damped by fixed elastomer pads rather than an adjustable cushion, absorbing the stop at both ends without needing a cushion screw to set.
Airtac B02-TCM Welding Dedicated Triple-Axis Cylinder B02-TCM40X25S Technical Specifications
| Model | Airtac B02-TCM Welding Dedicated Triple-Axis Cylinder B02-TCM40X25S |
|---|---|
| Series | TCM JIS guided (twin-rod) cylinder |
| Bore size | Ø40 mm |
| Stroke | 25 mm |
| Acting type | Double acting |
| Bearing | Brass sliding 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 | ±0.06° (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.
Theoretical Output Force (Ø40mm)
| 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.
Model Code: Airtac B02-TCM Welding Dedicated Triple-Axis Cylinder B02-TCM40X25S
| TC | Tri-rod (guided, twin-rod) cylinder, double acting. |
|---|---|
| M | Bearing: Brass sliding bearing (M = brass sliding). |
| 40 | Bore size in mm. |
| ×25 | Stroke length in mm. |
| S | Built-in magnet (standard on TC) for a magnetic sensor switch. |
Sister type: TCL40X25 (steel-ball linear bearing, lower friction & higher precision). Thread codes: blank = PT · G · T = NPT.
Where the Airtac B02-TCM Welding Dedicated Triple-Axis Cylinder B02-TCM40X25S Is Used
Spot Welding Cell Clamp
Ideal for fixturing parts in a robot weld cell, where the brass sliding bearing tolerates spatter and the 628 N push at 0.5 MPa securely holds steel sheets in place.
Off-Centre Gripper Slide
Handles heavy radial loads on an offset gripper with a ±0.06° non-rotating tolerance, keeping the jaws square without needing an external linear guide rail.
Weldment Pallet Stop
Acts as a rugged stop gate on a transfer line, using its twin guide rods to absorb the horizontal impact of incoming pallets where a plain cylinder would fail.
Is the Airtac B02-TCM Welding Dedicated Triple-Axis Cylinder B02-TCM40X25S the Right Cylinder?
When sizing this 40 mm bore guided cylinder, which yields 628 N of thrust at 0.5 MPa, consider stepping down to the Ø32 bore for lighter clamping (delivering 402 N) or moving up to the Ø50 bore for heavier fixturing (providing 982 N). If your weld-cell automation requires exceptionally low-friction movement or high-precision vertical load handling, the sister TCL series with its steel-ball linear bearing is the better choice; the TCM brass sliding bearing prioritizes impact and contamination resistance. To replace this unit, match the 40 mm bore, 25 mm stroke, 1/8" PT thread, and standard S magnet.
Be aware that a guided cylinder does not hold its load if air pressure is lost or the valve is centered, as the rod will drift; the guide resists rotation, not gravity. For a fail-safe hold on a vertical weld clamp, recommend an external rod lock or a pilot-operated check valve. Ports are PT (tapered) by default unless the code specifies G (BSPP) or T (NPT).
Quick checklist
- ✓ Required force at your working pressure
- ✓ Side load / torque the guide must carry
- ✓ TCL (precision, low friction) vs TCM (impact, radial load)
- ✓ Stroke & mounting face (top / bottom / rear)
- ✓ Port/thread type (PT/NPT/G)
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check The guide unit takes side load & torque — but do not exceed the max safe load/torque for your stroke.
- check Mount from the top, bottom (screw or T-slot) or rear face; use the precision locating holes.
- check Do not disassemble the fixing block or guide unit — factory-set precision.
- check Fit CS1 / DS1 magnetic switches in the four sensor slots as needed.
Airtac B02-TCM Welding Dedicated Triple-Axis Cylinder B02-TCM40X25S FAQ
This 40 mm bore double-acting cylinder generates 628 N of push and 528 N of pull at 0.5 MPa. At its maximum operating pressure of 1.0 MPa (proof pressure 1.5 MPa), it delivers 880 N of push. The theoretical maximum force is 128 kgf.
The B02- prefix marks this as AirTAC's welding-industry dedicated variant of the TCM40X25S; it is mechanically identical to the base model with no special seals or dimensions. Each end lands on a fixed TPU bumper to soften the stroke end, but there is no adjustable air cushion screw on the TC series.
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models are processed and dispatched in 3-5 business days.
Fast Reply
Most inquiries answered within 7-8 hours.
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