Ppce 2 Marks
Ppce 2 Marks
Ppce 2 Marks
Material form
Component Size and Weight
Economic Considerations
Dimensional and Geometric accuracy
Surface finish specification
Batch size
Production rate
Operational Factors
Batch Size
Capacity
Availability
Manufacturing practice
Manufacturing process
Machine tool characteristics
Capability
Processing time
Cutting tool availability
14. What are the information that a route sheet can provide?
15. List out any four information that the process planner can obtain from the engineering drawing of a
component
UNIT II
PROCESS PLANNING ACTIVITIES
PART- A
1. What are the main process parameters that can influence the success of the machining?
(a) Cutting Speed (b) Feed rate (c) Depth of cut
2. List any four factors that are to be considered during selection of cutting speed.
Nature of the cut
Work material
Cutting tool material
Cutting fluid application
Purpose of machining
3. List the major factors that are to be considered during the selection of feed rate.
Work material (Type,strength,hardness, etc)
Capacity of the machine tool (Power,Rigidity,etc)
Cutting tool (Material, Geometry and configuration)
Cutting fluid application
Surface finish desired
Type of operation
Nature of cut
4. What is the recommended depth of cut for turning, boring shaping and planning operation?
For turning and boring 6mm for roughing
0.4mm for finishing
For Shaping and Planing 1-4mm
5. List any four factors that influence the design or selection of a workholder
PART-B
1.
2.
3.
4.
List out the set of documents /information that are required for process planning
Explain the various principles of jigs and fixture design
List and explain the various factors to be considered for selection of measuring instruments
List and explain the major factors are to be considered during selection of cutting speed