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Abstract
This paper delineates the systematic design, fabrication, and empirical performance evaluation of a compact, cost-effective mini hydraulic sheet metal bending machine tailored for small-scale workshops, vocational training centers, and prototyping applications in resource-constrained environments. The machine integrates a manually operated hydraulic bottle jack (10–20 ton capacity) as the primary actuator to deliver controlled force for V-bending of mild steel sheets with thicknesses ranging from 0.8 mm to 3.0 mm and widths up to 500 mm. Grounded in Pascal’s law and classical bending mechanics, the design prioritizes structural rigidity, operational safety, repeatability, and affordability (total estimated cost below N500 equivalent). Comprehensive design calculations, material selection criteria, detailed fabrication procedures, and extensive experimental testing are presented. Performance metrics demonstrate high bend accuracy, minimal surface defects, manageable springback, and low operator fatigue. Multiple performance tables, force comparisons, and quantitative results validate the machine’s efficacy. Recommendations for future enhancements, including semi-automation and advanced die systems, are provided. This work contributes a practical, replicable solution that bridges the gap between rudimentary manual tools and expensive industrial press brakes.
References:-
References
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