15MY43T: Machine Tool Design Mechanical MTT 4th Sem Syllabus for Diploma DTE Karnataka C15 Scheme

Machine Tool Design detail DTE Kar Diploma syllabus for Mechanical Engineering (Machine Tool Technology) (MY), C15 scheme is extracted from DTE Karnataka official website and presented for diploma students. The course code (15MY43T), and for exam duration, Teaching Hr/week, Practical Hr/week, Total Marks, internal marks, theory marks, duration and credits do visit complete sem subjects post given below. The syllabus PDFs can be downloaded from official website.

For all other mechanical mtt 4th sem syllabus for diploma c15 scheme dte karnataka you can visit Mechanical MTT 4th Sem Syllabus for Diploma C15 Scheme DTE Karnataka Subjects. The detail syllabus for machine tool design is as follows.

Pre-requisites:

Learning concepts of .mathematics, strength of materials and basic Machining process.

Course Objectives:

1. Evaluate and analyze the design of various elements of machine tools used in engineering applications.

Course Outcomes:

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UNIT-I INTRODUCTION TO THE MACHINE TOOL DESIGN

1. Introduction and classification of machine tool
2. General requirements of machine tool design
3. Block diagram of the design process applied to machine tools
4. Shank design of a single point cutting tool
5. Problems

UNIT-II Determination of forces and power consumption in

1. Lathe tool
2. Milling cutter
3. Drill
2. Power capacity of machine tools
3. Problems

UNIT-III Introduction to machine tool structures

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UNIT-IV Design of machine tool structures

1. Basic design procedure of machine tool structure
2. Design of Bed
3. Design of Column
4. Design of Housing
5. Design of Base and tables
6. Design of Cross rails, arms, saddles, and carriages
7. Model technique in design of machine tool structures
8. Problems on design criteria, shearing of column, model technique,

UNIT-V Design of spindle and spindle supports

1. Functions of spindles
2. Requirements of spindles
3. Materials of spindles
4. Design calculation of spindles
5. Deflection of spindle axis due to bending
6. Deflection of spindle axis due to compliance of spindle supports
7. Optimum spacing between spindle supports
8. Problems

UNIT-VI Design of machine tool Guide ways

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Reference Books:

1. Machine tool design by N.K Mehta
2. Design of Machine tools – S.K Basu, D. K. Pal
3. Tool design By Cyril Donaldson
4. Production Engg. Design (Tool Design) Dr. Surrender Kumar

SUGGESTED LIST OF STUDENT ACTIVITYS

Note: the following activities or similar activities for assessing CIE (IA) for 5 marks (Any one)

1. Each student should do any one of the following type activity or any other similar activity related to the course and before conduction, get it approved from concerned Teacher and HOD.
2. Each student should conduct different activity and no repeating should occur

1. Assignments
2. assignment
3. Assignments

Course Delivery:

• The course will be delivered through lectures and Power point presentations/ Video

Model Question Paper:

(CIE)

1. Explain general requirements of machine tool design OR Write block diagram of the engineering design process in respect of machine tools
2. The cutting force on HSS tool is given by Pz= 2.8x109xf6 x t N.if the feed is 0.09 mm/rev.depth of cut t=2.8mm,the shear strength of tool material is 200 N/mm2.the deflection of the the material is 0.04 mm.E=2.2x105N/mm2 .The factor of safety is Fs=2.5 design a safe rectangular c/s of the tool.V=60M/min,d=110mm,H=1.6B,L=3.2B OR Calculate the magnitude of force acting on single point cutting tool while machining M S bar of diameter 50mm, depth of cut 2mm feed 0.3mm/rev the cutting speed is 583 mm/sec and efficiency is 85% assume K=1,Cp=230,x=1 and y=0.8 find the Mt,Mb,Pm and Pc.

Model Question Paper:

PART-A

(Answer any SIX Questions from this Section) (6 x 5) = 30

1. List the General requirements of machine tool design.
2. Explain with sketch the forces acting on milling cutter
3. Determine the force required to drill Cast iron work piece and also turning moment of the drill, The diameter of the drill is 32mm feed 0.38mm/rev and geometrical parameter for drill is K=60, Kt=22.3 and m=0.8
4. List the general requirements of machine tool structure
5. Explain dynamic stiffness
6. Explain the design of table
7. List the general requirements of a spindle
8. Describe the functions and materials of machine guide ways
9. Describe the design of aerostatic sideways

PART-B

(Answer any SEVEN Questions from this Section) (7 x 10) = 70

1. Write block diagram of the engineering design process in respect of machine tools
2. The cutting force component of a single point cutting tool machining an M S material with a 100 back rake angle HSS tool is given by the cutting force Pz=2.5 x1010 x f6 x t if the feed is 0.06 mm/rev.depth of cut is 2.2mm design a safe rectangular cross section shank assuming the tool shear strength is 200N/mm2.if the deflection is 0.04mm. The factor of safety is 2.5 and young’s modulus is 2.5 x104 5 N/mm2
3. The cutting force on HSS tool is given by Pz= 2.8x109xf6x t N.if the feed is 0.09 mm/rev.depth of cut t=2.8mm,the shear strength of tool material is 200 N/mm2.the deflection of the the material is 0.04 mm.E=2.2x105N/mm2 .The factor of safety is Fs=2.5 design a safe rectangular c/s of the tool.V=60M/min,d=110mm,H=1.6B,L=3.2B
4. Design and draw a rectangular shank tool for machining on at a cutting speed of 30mts/min. The lathe capacity is 7.8KW and transmission efficiency is 71%. The maximum stress induced in the material is 205N/sq.mm. The maximum permissible deflection of the tool is 0.300mm. Calculate the magnitude of force of HSS single point cutting tool while machining Mild steel bar of 55mm diameter and 1000mm long the depth of cut is 2.5mm and feed is 0.35mm/rev. Find
1. The turning moment exerted on work piece
2. Power of motor
3. Power consumption
4. Bending moment of tool in vertical plane

The cutting speed is 29.2mts/min., the cantilever length of the Cutting tool is 45mm and overall efficiency is 80%. Assume K=1, CP=230, x=0.85, y=0.80 10

5. Explain static stiffness and Explain dynamic stiffness

A Cast iron structure is studied by making it by methyl metha cryolyte, model on 1:10 scale. Natural frequency of model in bending was 500 Hz. Determine the Natural frequency of cast iron structure. If density of C.I is 7.5×10-5 N/mm3 and that of by methyl metha cryolyte model is 1.12×10-5N/mm3assume Es=0.85×105 N/mm2 and Em=520270N/mm2

6. A circular base type C.I column section having a diameter 300mm and thickness 30mm is loaded with a force of 4000N. Shearing modulus of column material is 2KN/mm.2 X=2.5 take a distance 150mm from the base ,while shearing deflection is being determined. Find the deflection of column due to shearing action.
7. A solid spindle of diameter is 60mm is loaded as shown in fig.the stiffness of front and rear bearing are 1.5×105 N/mm2and 1.1×104 N/mm2.the bending moment co-efficient K=0.3 assume E= 2×105 N/mm2.find the displacement at A and B .deflection of spindle axis due to bending Y1, deflection of spindle due to compliances of spindle support Y2.and also find the total deflection of spindle nose Y
8. Solid spindle of diameter 50mm and total length of 450mm is placed between two supports with a distance of 370mm from left end of the spindle. At the free end of the cantilever a point load of 1500N is acting down wards and another point load is acting down wards at a distance of 80mm from the rear end. The torque of 400N-mts is transmitting through a gear of module 4mm and of teeth
9. The stiffness of the front and rear bearings are1X104 N/mm and 1.4X104 N/mm. If the bending moment coefficient K=0.35 and E=2.1X105 N/sq.mm, find the deflection due to bending.
10. Describe the design criteria and calculation of slide ways.
11. Calculate the pulling force and normal force acting on the two flat CI sideways. The two flat CI slide ways are equal in width and height and half of the width, while turning 100mm dia work piece the three cutting forces were found to be Px=3000N Py=1200N Pz= 1100N. The carriage weighs 1500N and 260mm long. Also find slide way width, assuming that slide way can withstand a maximum pressure of 4.5 N/mm2and coefficient 0.13, when Xa/2=1/3, h=170mm, yp= 50mm. b=120mm

For detail syllabus of all other subjects of BE Mechanical Mtt, C15 scheme do visit Mechanical Mtt 4th Sem syllabus for C15 scheme.

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