Important RGPV Question
ME 802 (C) Machine Tool Design
VIII Sem, ME
UNIT 1- Basic Features and Kinematics of Machine Tools
Q.1) Discuss about the Kinematical structures of machine tools, mentioning the Kinematical features also.
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Q.2) What is Machine Tools, clarify them?
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Q.3) Discuss the general requirements of machine tool.
Q.4) State and explain the basic design aspects used in machine tool design.
Q.5) Explain the structural elements design for centre lathe / drilling machine.
UNIT 2- Regulation Of Speed: Design Of Gear Boxes
Q.1) What is the need of variation of speed in machine tool?
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Q.2) What is Ray diagram? Discuss its application.
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Q.3) Discuss low speed, feed and power requirements are chosen for a proposed machine tool.
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Q.4) Distinguish between a ray diagram and speed diagram.
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Q.5) Explain the different types of progressions used to decide the standard speeds. Which one is most widely used? Why?
Q.6) Explain the rules and step by step design procedure of speed gearbox.
Q.7) Design an eight speeds sliding gearbox for a drill press… Draw the structural diagram and speed chart.
Q.8) Differentiate clearly between stepped drives and stepless drives. Explain any one of the stepless drives.
Q.9) Explain the drive for producing rotational movements.
Q.10) What are the advantages offered by hydraulic regulation in machine tools? Explain hydraulic drive for producing rectilinear movements.
UNIT 3- Design Of Metal Working Tools
Q.1) Explain what happens when metal is cold worked?
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Q.2) Describe the operation of three high roll mill.
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Q.3) Discuss the design principles for forging dies.
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Q.4) Explain the forces, torque and power requirements milling.
Q.5) Explain the forces, torque and power requirements drilling.
Q.6) List various automatic machines and explain the working of automatic cutting off machine.
UNIT 4- Design Of Jigs And Fixtures
Q.1) Differentiate between jig and fixture.
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Q.2) Discuss the importance of automatic control in machine tools. Discuss the automatic clamping and unclamping the work piece.
Q.3) Explain the principles of location in jig and fixture design. Discuss various locating methods and devices used to achieve accurate workpiece positioning.
Q.4) Describe the principles of clamping in jig and fixture design. Explain the different types of clamping devices and their applications.
Q.5) Explain the different types of drilling jigs, including their construction and applications. Discuss the role of drill bushes in drilling operations.
Q.6) Discuss the economic considerations in jig and fixture design. Explain how to determine the cost-effectiveness of using jigs and fixtures in production.
Q.7) Describe the various types of fixtures used in milling, grinding, broaching, and assembly operations. Explain the function of indexing jigs and fixtures and indexing devices.
UNIT 5- Design Of Gauges And Inspection Features
Q.1) Discuss the design features of thread snap gauges.
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Q.2) What is flow molding? Explain.
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Q.3) Describe the design of dies and molds for plastics and rubber parts. Explain the specific considerations for compression molding, transfer molding, and blow molding.
Q.4) Discuss the importance of tolerance design in manufacturing. Explain how gauges are used to ensure dimensional accuracy and product quality.
Q.5) Describe the process of designing inspection fixtures for complex parts. Explain how these fixtures help in verifying the conformance of parts to specifications.
Q.6) Explain the principles of designing dies for different plastic molding processes. Compare and contrast the design considerations for compression, transfer, and blow molding dies.
Extra Questions-
Q.1)Write short notes on any two.
a) Design features of forging die b) Electrical drives
c) Principles of location
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Q.2) Explain the design of machine tool slideways in detail.
— Best of Luck for Exam —
