Metal roofs overtaken the conventional roofing system in the recent days due to its reliability, it can withstand over 100 years without any damage. The assembler provides 50 years of warranty because it has better stability. The fixing of sheets over prefixed frame is a tedious process at greater heights. Due to the slippery nature of the polished sheets, it is quite difficult to fix the sheets by manually at highest building roofs. Hence, automation in this process reduces the accidents and reduces the processing time. To overcome this problem, a system is proposed to automate the process to fixing the metal roofs in the building roofs, which must be designed in flexible manner to the operator. To design and fabricate a low cost automatic sheet fixing system, contemplations of economy of the system, flexibility, easy handling etc., should be analyzed. A machine is fabricated to automate the sheet fixing process with effective features were inbuilt like pneumatic cylinders for linear movement and drilling machine The system is provided with rollers to accommodate its movement above the sheets in the desirable path with the help of 5/3 DCV valve. In addition, the horizontal cylinders are also used for retraction and the drilling machine is fixed to drills the screw at the fixed positions and the process will be repeated for several times based on the inputs. The inputs for drill positions are given in the wireless console by the way drilling process is controlled automatically.
This paper inculcates a way to make the floor crane as more efficient with less material requirement. This has been achieved by minimizing reach of the crane from the floor. The crane is assumed to be cantilever type. Also tension and acceleration in steel ropes are analysed to ensure the safety. The optimized crane successfully passed the various analysing tests which include deflection, bending moment, rope tension and acceleration of the loads in the rope. It also includes another method which provides the virtual user interface for the design engineer. By providing the crane dimensions in the virtual panel, the predefined program automatically creates the CAD modelling in the CAD software. The program is made with visual studio and Solid works macro. Finally, this work reduces the burden on the design engineer and increases the productivity.
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