machine tools (syllabus)

1

Machine Tools

Course Teacher: Md. Shahriar Jahan Hossain

Chapter

Title Topics

Date of

Lecture

Reference

Book Page No.

Sheet/Slide

Available

Mac

hin

e T

ool

Dri

ve

Classification of Machine Tool Drive Elements

15/03/11

15-16

Recommendation for the design of a Drive System 16

Determination of the Principle Specification 17-19

Analysis of Geometric Progression (GP) Series 21/03/11

20-22

Layout of Speeds in Arithmetic Progression (AP) Series 23-24

Analysis of Logarithmic Progression (LP) Series 22/03/11

24-26

Productivity/Economic Analysis 27-29

Kinematic Advantages of GP Series

28/03/11

30

Standard Values of Common Ratio ϕ 31-32

Selection of the Progression Ratio ϕ 34-35

Determination of the Transmission Ratios in the

Kinematic Chain 37-41

Cone Pulley Drive 29/03/11 42-44

Tumbler Gear

5/04/11

47

Sliding Type Cluster Gears 47

Clutch 48-49

Basic Principles for designing Sliding Cluster Gears 49-51

Optimum Gear Box Design 19/04/11 51-55

Pre-selector Gear Box

25/04/11

57

Feed Gear Box 58-59

Feed Gear Mechanism 60-63

Infinitely Variable Drive System 26/04/11 63-71

Hydraulic Drive System (Pump)

2/05/11

73-75

Gear Pump 75-76

Piston Pump 81-83

Practical Vane Pump 85-87

Three Phase Induction Motor 3/05/11

93

Ward-Leonard Set 94-95

Sli

de

Way

s

Classification of Slide Ways 3/05/11

Properties of Slide Ways 99

Comparison between Slide Ways 9/05/11

100-102

Devices for Adjusting Clearance in Slide Ways 103-107

Analysis of Forces & Wears 10/05/11 –

16/05/11 113-117

Materials for Slide Ways

23/05/11

107-108

Wear of Slide Ways 110

Hydrostatic Slide Ways 120-121

Pneumatic Slide Ways 122

Anti-friction Slide Ways 122-123

Contr

ol

in M

achin

e

Tools

Requirement of Machine Tool Control 23/05/11

174-175

Mechanical Control Elements 176-179

Hydraulic and Hydro-mechanical Control Elements

24/05/11

179-180

Tracer Control Unit 185-186

Electrical & Electromechanical Control Elements 187-188

Numerical Controls of Machine Tools 190

Advantages of CNC Machine Tools 192-193

Disadvantages of CNC Machine Tools 194

Digital Displacement Measurement Devices 194

Electrical Stepper Motor 196

Jig

s &

Fix

ture

s

Difference between Jigs & Fixtures

30/05/11

79

Locating Principles 80 & *370-373

Example of Jigs & Fixtures: Drill Jig, Milling Fixture,

Turning Fixture, Grinding Fixtures, Boring Fixtures,

Welding Fixtures (any two of the above)

87-99

* pg. no. from provided sheet

2

Course Teacher: Dr. A.K.M. Masud

Chapter Title Topics Date of Lecture C

ase

Stu

dy o

f

Engin

e L

athe

Different Components, Their Location, Purpose & Related Mechanism 1/03/11

Dimensions of Lathe

6/03/11 Drive System

Kinematic Diagram

Principle Movement Gear Train

Feed Movement Gear Train 8/03/11 – 13/03/11

Standard Accessories 27/03/11

Taper Turning Methods 3/04/11

Cas

e

Stu

dy o

f

Turr

et

Lat

he

General Data

17/04/11

Advantages of Turret Lathe over Engine Lathe

General Classifications

Classifications depending upon the Turret Layout

Sequence of Machining

Cas

e S

tudy

of

Mil

ling

Mac

hin

e

Classifications

24/04/11

Milling Cutter

Arbor

Dividing Head

Simple Indexing

Differential Indexing 8/05/11

Gear Cutting Methods: Gear Shaper & Gear Hober 15/05/11

Bea

ring

&

Spin

dle

Ball Bearing

22/05/11

Main Spindle Assembly

Strength & Stiffness

Pre-loading

Location of Bearing

Machine Tools Structure: Classifications 22/05/11

Mac

hin

e

Tool

Tes

t

Requirements

29/05/11

Acceptance Test

Accuracy Test

Measuring Straightness

Checking the Accuracy of Kinematic Chains

Investigating Static Rigidity