Revised scheme for B.Tech. - Punjab Technical University

PTU/BOS/ME/101/10-06-2005/BATCH-2003
DE/ME-3.3 TOOL DESIGN
Internal Marks: 40 L T P
External Marks: 60 3 1 0
Total Marks: 100
1.Process Planning:
Product Engineering, Process Engineering, Definition of Process Planning, Contents
of Process Plan, Process Operations, Steps of Process Planning, Process Planning
Sheet, Planning and Tooling for Low Cost Planning.
2.Jigs & Fixture
Principles of jig and fixture design, Principle of degrees of freedoms, methods of
locations and clamping, Various devices for location and clamping, indexing devices,
Hydraulic and pneumatic actuation of clamping devices, jig bushes, use of standard
parts of jig design, type of drilling jigs, milling fixtures, lathe fixture, grinding fixtures
and their classification.
3.Die Design
Components of die design, design of die blocks, punches and strippers, methods of
holding punches, sketches of stock stops, Design procedure for progressive dies,
compound dies and combination dies for press tool operation forging die design for
drop and machine forging parts.
4.Tool Layout for Turrets
Characteristics of Turret lathes. Differences between capstan and turret lathes,
methods of holding jobs on the Turret lathe. Universal chucking equipment, universal
bar equipment, operation sheet and tool layout.
5.Tool Layout for Automatics
Classification of Automatics; Turret type automatic, tool layout procedure, time
required for each operation, operation sheet, tool layout, cam layout.
6.Tooling Costs
Estimating cost of a product, estimating costs of tools, Economics of tooling, Break
even point analysis, minimum cost analysis.
7.Gauges
Limits and fits, Plain Gauges, types of Gauges, fundamentals of Gauge Design,
Gauge makers tolerance, allowance for wear, Practical application of Taylor's
principles of limit gauging, care of Gauges, Limitation of Limit Gauging.
8.Surface Finish
Elements of surface finish, Factors affecting surface finish, Effect of surface quality
on Functional properties of machine parts, Evaluation of surface finish, Indian
Standards on surface finish. Measurement of surface finish, Relationship of surface
finish to the production methods. Finishing operations like honing, lapping, buffing
super finishing etc.
Books Suggested:
1. Cole: Tool Design
2. Donaldson: Tool Design
3. ASTEM: Fundamentals of Tool Design
4. P.C.Sharma: A Textbook of Production Engg., S.Chand Publication,N.Delhi