Abstract
The paper presents the results of the development and study of the strength of the cultivator frame made of non-standard beams. The term “non-standard beam” refers to a off-sized beam welded from steel strips. As such stripes, both standard hot-rolled strips and strips cut from standard cold-rolled or hot-rolled sheets can be used. The main advantage of the proposed frame design is the relatively low cost and availability of materials for its manufacture, as well as the potential to minimize the weight of the finished product by changing the thickness and dimensions of the strips used. Frame design and calculations were performed by the Autodesk Inventor Professional environment.
Highlights
When designing any engineering product, along with its operability, special attention is paid to cost and, often directly related to it, metal consumption [1, 2, 3]
The calculation of the safety factor can be performed by methods of strength of materials [1, 2]
A loading option was established that does not contradict the recommendations of the manufacturer of this cultivator model, at which the safety factor of the frame is minimal (Figure 2b)
Summary
When designing any engineering product, along with its operability, special attention is paid to cost and, often directly related to it, metal consumption [1, 2, 3]. A loading option was established that does not contradict the recommendations of the manufacturer of this cultivator model, at which the safety factor of the frame is minimal (Figure 2b) According to this variant, the frame is under the influence of gravity, pulling force from the side of the "hitch tongue" (60 kN, angle of application 30o) and forces acting on the suspension from the soil during their movement (3 kN).
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