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Technical Paper

Optimization and Experimental Analysis of AZ91E Hybrid Nanocomposite by Drilling Operation

2020-09-25
2020-28-0509
The usage of AZ91E series magnesium alloy material increases in the field of automobile, aerospace and structural applications because of its enhanced mechanical properties, light weight and good machinability characteristics. The present investigation is to optimize the drilling process parameters of magnesium alloy (AZ91E) hybrid nano composite consisting of chopped basalt fiber (9wt%) and SiCp (7.5wt%) fabricated by vacuum stirring technique. AZ91E hybrid nano composite is drilled by M-Tab vertical machining centre equipped with CNC under dry state (without coolant). The dry state drilling operation was performed by HSS tool with varied input parameters like drill diameter (6mm, 8mm, 10mm and 12mm), spindle speed (200rpm, 300rpm 400rpm 500rpm), feed rate (5mm/min, 10mm/min, 15 mm/min, 20 mm/min) with constant depth of cut (15mm).
Technical Paper

Optimization of Machining Process Parameters for Minimizing the Waste Stream Response through Multi-Objective Optimization

2019-10-11
2019-28-0062
During the delivering of an item, any material created moreover to a definitive item will be named as waste. The waste produced in light of machining could be a notable conservation worry for creators. The shape and condition of waste streams created, and their transportation components divergence with the strategy utilized and also shift among the technique. The effect in view of each waste stream differs as well. This examination reports a machining strategy includes the procedure of material to give a completed or a semi-completed item. This is frequently done by misapplication tools, totaling, machines and distinctive data sources that are appropriate to the strategy. The procedures thought of for the point of this work includes machining of material manipulation devices to give parts and items. The yield of the technique incorporates the item and increase the waste streams. The waste streams will be in the form of Chips, Energy usage, and Worn cutting tools and Operating time.
Technical Paper

Multi Characteristics Optimization of Treated Drill Tool in Drilling Operation Key Process Parameter Using TOPSIS and ANOVA Technique

2019-10-11
2019-28-0055
To survive in the present global competitive world, the manufacturing sectors have been making use of various tools to achieve the high quality products at a comparatively cheaper price. Appropriate cutting set up must be used to further better the machinability of a work piece material. A longer life of the tools and equipment’s are important factors in any industry. Since the inception of the machine tool industry, cutting tool life and tool wear remain a subject of deep interest to study its failure and improvement. The present study finds out the optimum cutting results in drilling of AM60 magnesium alloy using different cryogenically treated cutting inserts. The Utility concept coupled with Taguchi with Multi response approach (TOPSIS) was employed. According to Analysis of variance (ANOVA) results, the feed was the major dominating factor followed by the cutting speed.
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