- -4%
Spannrad mit Führungen YANMAR VIO25
Track tensioning wheel. Width of the inner guide flange 32mm complete with shaft.
Idler wheels ITR for mini excavators and compact loaders are manufactured using the latest automated design and production processes.
ITR Track Tensioning Wheel for YANMAR VIO25
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 designs, manufactured according to the industry's most stringent specifications. Assembly occurs on production lines with an automatic oil filling process. Idler wheels can be selected in various configurations:
- Tensioning wheel shell
- Tensioning wheel with sleeve and shaft
- Tensioning wheel with brackets
- Tensioning wheel with fork
- Tensioning wheel with tensioner
Quality of ITR Tensioning Wheels
The range of tensioning wheels includes equipment from mini excavators to mining machines from KUBOTA® K008 (machine operational weight 0.9 tons) to KOMATSU® D475 A5 (machine operational 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 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 specified track tension. The most important controllable factor in undercarriage wear is correct chain tension. The proper sag for all conventional tracks is about 50mm (+-5mm). For example, a track in an 80-horsepower machine with a sag of 12mm will have a tension of 2540 kg when measured at the track tensioner. The same machine with a suggested sag of 50mm will have a tension of 362 kg. Overly tightened tracks increase pressure, causing 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 carrier rollers ensures impact resistance and balanced durability. Material type: SCMn3A, hardening 50-55 HRC. Lifetime lubrication to minimize maintenance.
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