- -4%
Spannrad mit Welle KOMATSU CK20
Track tensioning wheel. The width of the inner guide flange 44mm complete with axle.
Tensioning wheels ITR for mini excavators and compact loaders are manufactured using the latest automated design and production processes.
ITR Tensioning Wheel for KOMATSU CK20
They are made from selected high-quality steel alloys and properly heat-treated to ensure exceptional field performance in extreme working conditions. Tensioning wheels ITR are assembled using state-of-the-art seals and bearing designs, manufactured according to the most stringent specifications in the industry. Assembly takes place on assembly lines with an automatic oil filling process. Tensioning wheels can be selected in various configurations:
- Tensioning wheel shell
- Tensioning wheel with bushing and axle
- Tensioning wheel with brackets
- Tensioning wheel with fork
- Tensioning wheel with tensioner
Quality of ITR Tensioning Wheels
The range of tensioning wheels covers equipment from mini excavators to mining machinery from KUBOTA® K008 (machine operating weight 0.9 tons) to KOMATSU® D475 A5 (machine operating weight 101 tons). Engineering and R&D departments are located in Italy, South Korea, and China and collaborate to combine know-how, technology, and development capabilities. Engineering departments located in each production facility have specific knowledge about locally produced components, while the Italian Engineering headquarters coordinates all actions.
Functionality of ITR Tensioning Wheels
The function of the tensioning wheel is to support the track chain and guide it so that it is properly wound. Additionally, the tensioning wheel and tensioner work together to maintain a specified degree of track tension. The most important controllable factor in undercarriage wear is the correct chain tension. The correct deflection for all conventional tracks is about 50mm (+-5mm). For example, a track in an 80-horsepower machine with a deflection of 12mm will have a tension value of 2540 kg when measured at the track tensioner. The same machine with a suggested deflection of 50mm will have a tension value of 362 kg. An excessively tensioned track increases pressure, which causes greater wear on the track bushings when in contact with the sprocket teeth and in the chain-tensioning wheel-roller contact. A tread hardness equal to or greater than the chain links, track rollers, and idlers ensures impact resistance and balanced durability. Material type: SCMn3A, hardening 50-55 HRC. Lifetime lubrication to minimize maintenance.
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