scholarly journals Computer-aided Stress Analysis of a Model of Tractor Mounted Auger Drill

Author(s):  
Abdullah Beyaz ◽  
Dilara Gerdan

AAuger drilling, which is a digging method that a large helical drilling part gets out the soil from the earth. Different types of auger drillers are available today, and they are widely used in agricultural works. In this study, an 300 mm diameter auger drill was modeled, for agricultural works, and it was analyzed efficiently in Autodesk Inventor software with the help of Nastran in computer-aided design (CAD) module. According to the analysis, Von Misses stress analysis result was found as maximum 2266 MPa and minimum 0 MPa. Also, Safety Factor analysis result was found as maximum 15 uL and minimum 0.11 uL.

Author(s):  
Sudheer Bayanker ◽  
Joshua D. Summers ◽  
Anand K. Gramopadhye

This paper presents an experimental investigation into input suitability for human-computer interaction during computer aided design operations. Specifically, three types of operations, synthesis, interrogation, and modification, are examined with respect to three different types of user interfaces, mouse, direct tablet, and indirect tablet. The study, using undergraduate student participants in an introductory engineering graphics course, demonstrates that the mouse performs the highest across the dimensions of completion time and number of errors. However, the direct tablet, using a pen like device directly on the visualization screen, shows promise.


Author(s):  
Sirojuddin Abbas ◽  
Ahmad Kholil ◽  
Prima Chandra Utama

ABSTRAK Salah satu bagian penting dalam turbin banki adalah pengaturan guide vane, karena aliran masuk air ke sudu pada turbin tergantung dari pengaturan guide vane nya, baik pada debit rendah maupun normal. Tujuan riset ini adalah untuk mengoptimasi desain mekanisme linkage guide vane agar diperoleh ukuran dan kekuatan komponen yang optimal. Gambar desain pertama-tama dibuat dalam bentuk 2D menggunakan software CAD (Computer Aided Design) kemudian dibentuk ke 3D menggunakan software Inventor. Beban total aliran pada guide vane diberikan sebesar 200 % meliputi faktor water hammer sebesar 130 % dan beban dinamik sebesar 150 %. Simulasi pengujian stress analysis menggunakan software Inventor dalam rangkaian komponen yang terpadu atau dalam satu assembly. Nilai optimasi tegangan yield dibandingkan dengan tegangan yang terjadi ≥ 3,0 ul (unitless). Dari hasil pengujian software Inventor diperoleh optimasi faktor keamanan kekuatan material per-komponen  sebesar  3,02 ul pada poros guide vane dan 3,05 ul pada komponen linkage.Kata kunci : Optimasi, Linkage, Guide Vane, Turbin Banki, Stress Analysis


Author(s):  
Ika Sasmita Sari ◽  
Wiwik Sulistiyowati

Gerandong crackers are different types of crackers with other crackers, the main ingredients gerandong crackers derived from the ready-made crackers, gerandong crackers production process consists of several stages one of which is the dust filter stage. At this stage use the filter tool. In terms of use, this tool is working properly. However, this tool is still not effective, it needs to be redesigned on the tool to improve. The results of this study include: Improving the design of dust filters in the process of making gerandong crackers in terms of how to use reverse engineering methods. From design that can be expected can be repaired from dust filter tool. Recommendations to reduce air pollution are less effective. The Efforts to improve the design of dust filter equipment in this study using reverse engineering methods assisted by CAD (Computer Aided Design), in this case solidwork software and will be integrated with Root Cause Analisys. The result of this research is a new design of dust filter tool that is practical and effective, practically not doing a lot of arrangement and switching tool when will production, effective in reducing dust when production and output yielded cleaner than before


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