- Nicht auf Lager
Spannrad mit Spanner KOBELCO 50 SR
Tension wheels for the track. The width of the inner guide flange is 41mm complete with a shaft.
Tension wheels ITR for mini excavators and compact loaders ensure optimal track tension using the latest design and production technologies.
ITR Tension Wheel for KOBELCO 50 SR
Our Tension wheels are made from selected high-quality steel alloys and properly heat-treated to ensure exceptional field performance in extreme working conditions. They are assembled using the latest seal and bearing designs, meeting the industry's most stringent specifications. Our Tension wheels are assembled on production lines with an automatic oil filling process, ensuring their reliability and durability.
Available in various configurations, including:
- Tension wheel shell
- Tension wheel with bushing and shaft
- Tension wheel with brackets
- Tension wheel with fork
- Tension wheel with tensioner
Our Tension wheels are designed to meet all demanding working conditions, ensuring reliability and long life.
Quality of ITR Tension Wheels
Our range includes a wide selection of tension wheels, from mini excavators to mining machines, ensuring high quality and performance. Starting from KUBOTA® K008 (with an operating weight of 0.9 tons) to KOMATSU® D475 A5 (with an operating weight of 101 tons), we offer comprehensive solutions. Our engineering and R&D departments in Italy, South Korea, and China collaborate to combine know-how, technology, and development capabilities. Local engineering departments in each production facility have specialized knowledge about the components produced, and the Italian Engineering headquarters coordinates all activities.
Functionality of ITR Tension Wheels
The function of the tension wheel is to properly tension and guide the track chain, ensuring its proper winding. The tension wheel and tensioner work together to maintain a specific degree of track tension. Efficient chain tension is a key factor affecting the durability of the undercarriage. The optimal sag for conventional tracks is approximately 50mm (+-5mm). For example, a track on an 80-horsepower machine with a sag of 12mm will have a tension of 2540 kg when measured at the track tensioner. In contrast, the same machine, with the suggested sag of 50mm, will have a tension of 362 kg. Over-tensioned tracks increase pressure, leading to greater wear on the track bushings and sprocket teeth, as well as contact between the chain, tension wheel, and rollers. Proper tread hardness, equal to or greater than that of the chain links and support rollers, ensures impact resistance and balanced durability. Material: SCMn3A, hardening 50-55 HRC. Constant lubrication minimizes maintenance throughout the service life.
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