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Concept drill

material removal rate

GATE Mechanical Engineering · Manufacturing Processes - ECM · 1991-2022

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2022 PYQ

Electrochemical machining operations are performed with tungsten as the tool, and copper and aluminum as two different workpiece materials. Properties of copper and aluminum are gi...

mediumbasic explanation
2022 PYQ

A 1 mm thick cylindrical tube, 100 mm in diameter, is orthogonally turned such that the entire wall thickness of the tube is cut in a single pass. The axial feed of the tool is 1 m...

mediumbasic explanation
2021 Q39

In a grinding operation of a metal, specific energy consumption is 15 J/mm³. If a grinding wheel with a diameter of 200 mm is rotating at 3000 rpm to obtain a material removal rate...

mediumanswer key
2018 Q52

A circular hole of 25 mm diameter and depth of 20 mm is machined by EDM process. The material removal rate (in mm³/min) is expressed as $4 \times 10^4 IT^{-1.23}$, where I = 300 A...

mediumanswer key
2018 Q55

An electrochemical machining (ECM) is to be used to cut a through hole into a 12 mm thick aluminum plate. The hole has a rectangular cross-section, 10 mm x 30 mm. The ECM operation...

mediumanswer key
2014 PYQ

A cast iron block of $$200$$ $$mm$$ length is being shaped in a shaping machine with a depth of cut of $$4$$ $$mm,$$ feed of $$0.25$$ $$mm/stroke$$ and the tool principal cutting e...

medium
2013 PYQ

A steel bar $$200$$ $$mm$$ in diameter is turned at a feed of $$0.25$$ $$mm/rev$$ with a depth of cut of $$4$$ $$mm.$$ The rotational speed of the work piece is $$160$$ $$rpm.$$ Th...

easyanswer key
1991 PYQ

Calculate the $$MRR$$ and Specific cutting pressure for the following cutting conditions Work material : steel, Tool material : $$HSS,$$ Depth of cut : $$1.6mm,$$ Feed : $$0.8mm/re...

medium