Cnc Programming

This test comprises of 25 questions on manufacturing processesideal for the candidates preparing for semester exams ies gate psus upsc and other entrance exams1 mark for each correct answer and 025 mark will be deducted for wrong answer. Electron beam machining is a thermal process used for the metal removal during the machining process.

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Introduction of laser beam machining process manufacturing process technology ii.

Laser beam machining mcq. Grinding multiple choice questions 1. A high powered and focused laser beam is used as a machining tool in lbm process. Following is an abrasive cutting a milling b grinding c laser beam machining d all of the above. 1 the laser beam machining process can be carried out when the media for energy transfer between tool and workpiece is. In remote laser cutting the material is partially evaporated ablated by a high intensity laser beam allowing thin sheets to be cut with no assist gas. Home category mechanical engineering mcq questions and answers advanced machining process. Any material can be machined by lbm process. Any of the above medium. The laser cutting process lends itself to automation with offline cadcam systems controlling either three axis flatbed systems or six axis robots for three dimensional laser cutting. Fluid mechanics hydraulics mcq part 1 duration. In the electrical beam machining electrical energy is used to generate the electrons with high energy. Working principle of electron beam machining. Grinding is best suited to the machining of. Questions on theory of metal cutting advanced machining process cncdnc technology etc. Chemical machining chm has metal removal rate of about 015 30 mm 3 s.

This process uses thermal energy to remove material from metallic or nonmetallic surfaces. Laser beam machining lbm laser bea machinin lase copica tronsducelight a electmi cal energy rmpli fi cation by simuatecl adiatan fuj surface bcam 4 lamp lamps rub cxide re fiected suface cromium laser beam machining is a thermal energy based on the non conventional machining process. Electro chemical machining ecm has the highest metal removal rate of about 200 300 mm 3 s 3. Electron beam machining ebm advantages and disadvantages. Ultrasonic machining usm has metal removal rate of about 5 10 mm 3 s. The machining carried out by an intense and unidirectional beam of light provided by laser is called as laser beam machining lbm process. Laser beam machining lbm is a non conventional machining manufacturing process a form of machining in which a laser is directed towards the work piece for machining. Laser beam machining lbm has the lowest metal removal rate of about 0001 0002 mm 3 s. How does laser cutting work basics explained.