Theory of Cutting

Course guarantor:

Lecturer:

Tutor:

Supervisor:

Department of Machining, Process Planning and Metrology

Synopsis:

Chip formation, primary and secondary deformation in chip formation, built-up edge formation, effect of cutting tool geometry on these factors, forces in cutting, vibrations and temperatures, reasons and forms of tool wear, tool life, machinability, cutting ability and cutting medium.

Requirements:

Problem knowledge.

Syllabus of lectures:

1Chip formation mechanics

2.Material, cutting tool geometry, cutting conditions and other factors and their effect on primary deformation zone

3.Secondary deformation, buit-up edge formation

4.Surface integrity

5.Residual stresses and work hardening in machined surfaces

6.Forces, torques and power, calculation, the effect of working parameters

7.Vibrations in machining

8.Heat and temperatures, the effect of working conditions

9.Reasons and forms of tool wear

10.The effect of working conditions on tool wear

11.Optimum tool wear in roughing and finishing

12.Tool life, effect of working conditions

13.Machinability, cutting ability

14.Cutting medium

Syllabus of tutorials:

1. Measurement of the deformations in chip formation

2. The determination of the relation between cutting ratio and cutting speed

3.Forcess measurement in cutting

4.Torque measurement in cutting

5.Power measurement in cutting

6.The effect of working parameters on vibrations

7.Measurement cutting temperature

8.The determination of the relation among cutting temperature and cutting conditions

9.Tool wear measuremernt

10.The determination of the relationtion between tool wear and cutting time

11.The determination of optimum tool wear in roughing and finishing

12.Taylor´s equation determination

13.Machinability etermination

14.Cutting fluids testing

Study Objective:

Study materials:

Chlds, T.H.C., Metal Machining,Arnold, GB, 2000

Note:

Further information:

No time-table has been prepared for this course

The course is a part of the following study plans: