Job Role – Machine tool Operator

Teacher

Ansuman Nanda

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Course Name : Job Role – Machine tool Operator

Code(Credit) : CUTM3014 (1-4-1)

Course Objectives

• To acquire the hands on experience and skills for various turning operations.
• To acquire the hands on experience and skills for various milling operation.
• To empower participants with the skills to assembling produced mechanical parts.

Learning Outcomes

• Understanding the tools and equipment used in the practice.
• Enhancing the skills in machining operations like drilling, turning, milling.

Course Syllabus

Module 1: Safety Practice (3hrs)

Practice- Demonstration of Personal safety, Professional safety and machine safety.
Practice- Demonstration of uses of Personal Protective Equipment.

Module 2: Introduction to conventional machines and machining processes. (3hrs)

Practice: Demonstration on conventional machines, types of machines.
Practice: Demonstration of different parts of different machines.

Module 3: Interpretation of different mechanical drawings related to jobs and parts.(6hrs)

Practice- Demonstration and Practice of studying and understanding different mechanical drawings which are related to job production or different parts.

Module 4: Measuring and Quality control. (6hrs)

Practice- Demonstration and practice of using different measuring tools while working on machine.
Practice- Demonstration and practice of different quality checking processes like flatness, angle, go-no go.

Module 5: Drilling Operations(12hrs)

Practice- Demonstration and practice of different drilling processes, reaming, counter sinking, counter boring and tapping.

Module 6: Lathe Operations. (21hrs)

Practice- Demonstration and practice of different lathe machining processes like facing, turning, step turning, taper turning, thread cutting and knurling.

Module 7: Milling Operations. (21hrs)

Practice- Demonstration and practice of different milling machine operations like face milling, end milling, profile milling & pocket milling.

List of Projects (Maximum group size is 4)
1. Assembling a male and female job using mild steel cylinder.
2. Assembling a male and female job using mild steel flat and cylinder.

Session Plan

Session 1

Demo– Briefing on safety practices, tools to be used while working in workshop or machinehop.
Practice – Practicing of using Personal Protective equipments during work.

Web links–

https://www.youtube.com/watch?v=EvBMa7UJx38

https://www.youtube.com/watch?v=gpNfQ3Oe8q0

Session 9, 10

Practice – Practicing of tapping, Counter sinking and counter boring on given Mild steel slab as per given dimension on the drawing.

Session 8

Practice - Practicing drilling, reaming on given Mild steel slab as per given dimension on the drawing.

Web links –

https://www.youtube.com/watch?v=ZGU1zP7KPbY

Session 7

Demo – Demonstration of different drilling processes, reaming, counter sinking, counter boring and tapping.

Web links –

https://www.youtube.com/watch?v=f5HfRpeT7Fg

Session 6

Practice – Practice of measuring and checking dimensions, straightness and flatness of different work pieces of different shape.

Session 5

Demo – Demonstration of different uses of different measuring instruments to measure dimensions, straightness, flatness or cyllindrisity of a job.

Web links –

https://www.youtube.com/watch?v=lou9kAFGOjk

Session 4

Practice – Preparation of drawing or diagram of the jobs/ parts with given dimension before producing a work piece in machine shop.

Web links –

https://www.youtube.com/watch?v=32CXeJVgiLA

Session 3

Demo – Demonstration of interpretation of different mechanical drawings of different jobs, parts with their dimension

Web links –

https://www.youtube.com/watch?v=M8fAF0xMxBs&t=49s

https://www.youtube.com/watch?v=HRl4X439PHo

Session 2

Demo – Demonstration of different machine tools, their parts and their working.
Practice – Making the diagram of the machine tool with identifying their parts.

Web links –
https://www.youtube.com/watch?v=Vw-cUiBLuHw

https://www.youtube.com/watch?v=1e6L6Gk0RbI

https://www.youtube.com/watch?v=GowC2UQPWe8

Session 11

Demo – Demonstration of facing & turning operation on a conventional lathe machine with a mild steel cylindrical work piece .

Web links –

https://www.youtube.com/watch?v=3avWofeZ-_w

https://www.youtube.com/watch?v=R5w0KzishlA

Session 12, 13

Practice – Practicing of facing & turning operation on given mild steel cylindrical work piece .

Session 14

Demo – Demonstration of step turning & taper turning on a conventional lathe machine with a mild steel cylindrical work piece .

Web links –

https://www.youtube.com/watch?v=ZXT1T7cFh98

https://www.youtube.com/watch?v=VDwbQWCprTk

Session 15

Practicing of step turning & taper turning on a conventional lathe machine with a mild steel cylindrical work piece .

Session 16

Demo – Demonstration of thread cutting and knurling on a conventional lathe machine with a mild steel cylindrical work piece .

Web links –

https://www.youtube.com/watch?v=3wSGHRyhXF4

https://www.youtube.com/watch?v=_0o8vd6UUeY

Session 17

Practice - Practicing of thread cutting on a conventional lathe machine with a mild steel cylindrical work piece .

Session 18

Practice - Practicing of knurling operation on a conventional lathe machine with a mild steel cylindrical work piece .

Session 19

Demo – Demonstration of different milling machine operations like face milling, end milling, profile milling & pocket milling on conventional horizontal/ vertical milling machine .

Web links –

https://www.youtube.com/watch?v=LDxq9AkxYfk

Session 20

Practice - Practicing of face milling operation on a conventional horizontal/ vertical milling machine with a mild steel flat work piece .

Session 21

Practice - Practicing of end milling operation on a conventional horizontal/ vertical milling machine with a mild steel flat work piece .

Session 22

Practice - Practicing of profile milling operation on a conventional horizontal/ vertical milling machine with a mild steel flat work piece .

Session 23

Practice - Practicing of face milling operation on a conventional horizontal/ vertical milling machine with a mild steel flat work piece .

Session 24

Practice - Practicing of pocket milling operation on a conventional horizontal/ vertical milling machine with a mild steel flat work piece .

Session 25 to 29

Assembly project work.

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