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Design of the Main Frame of a Cultivator.

M. A. Mazed
Department of Agricultural Engineering and Basic Engg, Bangladesh Agricultural University, Mymensingh.

Abstract/ Executive Summary:

The cultivator is one of the most useful agricultural equipment. The strength properties, cost of manufacture, disposition, orientation of the frame members, type of material and manufacturing methods etc. are the important factors to be considered while designing a cultivator. A study was made to analyze the different design factors and finally the design of the main frame members was outlined.

Keywords: Cultivator, Mani frame, Design

Location: Bangladesh Agricultural University, Mymensingh.

Start Date:

End Date:

Program Area: Farming System

Non-commodity: Seasonality in production

Objectives:

To analyze the different design factors of a cultivator

Methodology:

To design a new frame, it was decided to select a structural section which would have the highest strength/weight ratio and provide maximum facilities for attachment of the soil engaging implements. So keeping approximately the sectional area or the weight per running meter equal, the steel structures shown in were chosen and their specifications are entered. The bending strength of the structures were calculated

Source of Information: Bangladesh Journal of Agriculture, Vol-4, Dec-1979.

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The type of attachment may vary from section to section used for the cultivator. For the chosen rectangular box section, the bolts and nuts required are almost the same as that of equal angle section. The length of the bolts should be greater in case of rectangular box section and any type of deformation at any section of the tool bar should be avoided to maintain strength. The cost of drilling and punching may be a little greater but the strength benefit should compensate that extra cost. In consideration of cost of material, the painted steel is the cheapest. Therefore the design of the cultivator frame is justified.

Knowledge Management: Journal