- Nicht auf Lager
Spannrad mit Spanner CASE CX20 B
Track tensioning wheel. Width of the inner guide flange 28mm complete with shaft.
Idler wheels ITR for mini excavators and compact loaders are produced using the latest automated design and manufacturing processes.
ITR Tensioning Wheel for CASE CX20 B
They are made from selected high-quality steel alloys and properly heat-treated to ensure exceptional field performance in extreme working conditions. Idler wheels ITR are assembled using state-of-the-art seals and bearing structures, manufactured according to the most stringent industry specifications. Assembly takes place on assembly lines with an automatic oil filling process. Idler wheels can be selected in various configurations:
- Tension wheel shell
- Tension wheel with sleeve and shaft
- Tension wheel with brackets
- Tension wheel with fork
- Tension wheel with tensioner
Quality of ITR Tensioning Wheels
The range of tensioning wheels covers equipment from mini excavators to mining machines from KUBOTA® K008 (machine operating weight 0.9 tons) to KOMATSU® D475 A5 (machine operating weight 101 tons). The engineering and R&D departments are located in Italy, South Korea, and China and cooperate to combine know-how, technology, and development capabilities. The engineering departments located in each production plant have specific knowledge of locally produced components, while the headquarters of Italian Engineering coordinates all activities.
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 specific degree of track tension. The most important controllable factor in undercarriage wear is the correct chain tension. The correct sag for all conventional tracks is approximately 50mm (+-5mm). For example, a track on an 80-horsepower machine with a sag of 12mm will have a tension value of 2540 kg when measured at the track tensioner. The same machine with a suggested sag of 50 mm will have a tension value of 362 kg. An overly tight track increases pressure, which causes greater wear on the track bushes when in contact with the drive wheel teeth and in the chain-tension wheel-rollers contact. Tread hardness equal to or greater than the chain links, running and supporting rollers ensures impact resistance and balanced durability. Material type: SCMn3A, hardening 50-55 HRC. Lifetime lubrication to minimize maintenance.
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