
	Trending ▼ ICSE CBSE 10th ISC CBSE 12th CTET GATE UGC NET Vestibulares ResFinder

2003 Course Machine Tool Design

3 pages, 27 questions, 0 questions with responses, 0 total responses,

	pune_eng	+Fave Message
	Profile Timeline Uploads Q & A

Home > pune_eng >

Formatting page ...

Total No. of Questions : 12] P1044 [Total No. of Pages : 3 [3864]-172 B.E. (Production & Production - S/W) MACHINE TOOL DESIGN (2003 Course) Time : 3 Hours] [Max. Marks : 100 Instructions to the candidates: 1) Attempt any three questions from each section. 2) Answers to the two sections should be written in separate books. 3) Figures to the right indicate full marks. 4) Neat diagrams must be drawn wherever necessary. 5) Assume suitable data, if necessary. SECTION - I Q1) a) b) UNIT - I Design a nine speed gear box for a machine tool having minimum speed 80 rpm, maximum speed is 1200 rpm, speed of motor is 1440 rpm. Draw the best possible structural diagram, ray diagram, speed flow diagram, gear layout. [14] Draw a neat sketch and explain change gear feed drive. OR [6] Q2) a) Make a neat sketch of an Episcyclic speed gear box and show that it is always gives stepless speed within range. [10] b) Discuss the uses of preferred number series for obtaining a wide range of stepped speed in machine tool gearbox. [4] c) Discuss in brief, design considerations of variator. Q3) a) b) [6] UNIT - II Establish the conditions for optimum design criteria in machine tool bed. [7] Explain term static and Dynamic rigidity of machine tool. What are the governing factors which influencing static and Dynamic rigidity of machine tool. [8] OR P.T.O.

Formatting page ...

Tags : Pune, Engineering, University of Pune, Engineering question papers, Pune University, previous year question papers, question papers, india, model question paper, pune university paper pattern, pune university syllabus, old question papers

pune_eng chat

Horizontal lines at:
Guest Horizontal lines at:
AutoRM Data:
Box geometries: