Machinist (Grinder) 1st Semester : Trade Theory
By: National Instructional Media Institute (NIMI).
Contributor(s): DGT, MSDE, Govt of India.
Material type:
BookPublisher: Chennai National Instructional Media Institute (NIMI) 2014,c2014Description: 170.ISBN: CTS108.Subject(s): Production & Manufacturing | MachinistDDC classification: 671.35
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Contents :
Module 1 : Safety
-Safety
-Safety practice -fire extinguishers
-Basic fist aid
-Disposal of waste material
-Guidelines for good shop floor maintenance
Module 2 : Basic Fitting
-Types of calipers
-Elements of a file
-Angular measurement instruments (Semi-precision)
-Hacksaw frame and blade
-Chisel
-Angles of chisels
-Drill -holding devices
-Counter boring and spot facing
-Heat treatment of plain carbon steels
-Drill angles
-Vernier calipers
-Preventive maintenance
-Hand taps and wrenches
-Screw pitch gauge
-Die and die stock
-Ferrous and non- ferrous metal
-Mass production and interchangeable manufacturing
Module 3 : Basic Turning
-Safety to be observed while working on lathes
-Lathe operations -centre drilling
-Properties of good cutting tool materials
-Lathe accessories -work-holding deviece-4 JAW CHUCK
-Taper
-Lathe tools-angles and their functions
-Lathe operation -drilling reamers & reaming
-Type of groves (undercuts)
-Lathe operation -cutting speed and feed
-Lathe boring tools
-Screw thread and elements
-Thread cutting on lathe by single point cutting tools
-Lathe -headstock
-Thread cutting -simple and compound gear train
-Lathe bed
-Types of mandrels and their uses
-Lathe Accessories -Lathe centre
-Lathe accessories -steady rest
-Driving plate and face plate
-Types of lathes
Module 4 : Basic Grinding
-Introduction to grinding process
-Surface grinding machine
-Construction of a grinding wheel -1
-Construction of a grinding wheel -2
-Grinding wheels -standard shapes and applications
-Standard marking system for grinding wheels
-Surface grinding operations
-Grinding wheel dressing
-Work -holding
-Jigs and fixtures
-Wet and try grinding
-Grinding speed ,feed and depth of cut
-Glazing and loading ,their ,causes and remedies
-Snap gauge
-Plain cylinder grinders
-Types of cylinders grinders
-Cylindrical grinding operations
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