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MARINE WORKSHOP TECHNOLOGY-2
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3341806
Code: 3341806
Credits: 7
Semester 4
ETC
Marine workshop technology-2
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Follow on Instagram for UpdatesMarine workshop technology-2 Syllabus — Unit-wise Content
The official GTU curriculum for Marine workshop technology-2 (subject code 3341806) as prescribed for ETC · Semester 4 divides the course into 6 units, covering 19 listed topics. The unit-wise breakdown below is read from the GTU syllabus document for this subject code, so you can check what the course actually covers before deciding which papers to attempt.
Download the official syllabus PDF (3341806)Unit 1 CENTRE LATHE 1.a Introduction 1.b Principal parts 1.c Working and operations.
- 1.1. Theory of lathes – specifications – principal parts – head stock .
- 1.2. Back geared type – all geared type – tumbler gear mechanism – quick change gear box – apron mechanism – carriage cross slide .
- 1.3. Automatic, longitudinal and cross feed mechanism – tail stock and its functions .
- 1.4. Work holding device –face plate – three jaw chuck – four jaw chuck – catch plate and carrier – types of centers – machining operations done on lathe.
- 1.5. Straight turning – step turning – taper turning – knurling – Thread cutting – Facing.
- 1.6. Boring – chamfering – cutting speed – feed – depth of cut.
Unit 2 DRILLING MACHINES 2.a Drills & Types 2.b Methods of holding
- 2.1. Drills- twist drills – nomenclature – types of drilling machines – bench type – floor type – radial type – gang drill – multi spindle type – principle of operation in drilling — speeds and feeds of various materials – drilling holes – method of holding drill bit – drill chucks – socket and sleeve – drilling operation – reaming – counter boring – counter sinking – spot facing – tapping – deep hole drilling Marine Workshop Technology-2 GTU Gujarat State 3
Unit 3 MILLING MACHINES. 3.a Types & Nomenclature 3.b Milling Process
- 3.1. Types- column and knee type – plain milling machine – universal milling machine – vertical milling machine – specifications of milling machines-
- 3.2. Principles of operation-work and tool holding devices – arbor – stub arbor – spring collet – adapter – milling cutters – cylindrical milling cutter – slitting cutter-side milling cutter – angle milling cutter – T-slot milling cutter – woodruff milling cutter – fly cutter – nomenclature of cylindrical milling cutter.
- 3.3. Milling process – conventional milling – climb milling – milling operations – straddle milling – gang milling.
Unit 4 ABRASIVE PROCESS 4.a Types & Classification 4.b Grinding wheel operations
- 4.1. Types and classification – specifications – rough grinding – pedestal grinders- portable grinders – belt grinders – precision grinding- cylindrical grinder- center less grinders – surface grinder – tool and cutter grinder – planetary grinders.
- 4.2. Principles of operations – grinding wheels – abrasives-natural and artificial diamond wheels – types of bonds – grit, grade and structure of wheels – wheel shapes and sizes – standard marking systems of grinding wheels – selection of grinding wheel – mounting of grinding wheels – Dressing and Truing of wheels – Balancing of grinding wheels.
Unit 5 RECIPROCATING MACHINES 1.a Planer 1.b Shaper 1.c Slotter
- 5.1. Introduction, Types of planers – description of double housing planer- specifications-principles of operation- drives.
- 5.2. Quick return mechanism-feed mechanism- work holding devices. Thermodynamics properties & their units.
- 5.3. Types of shapers- specifications- standard-plain- universal -principles of operation –drives- quick return mechanism-crank and slotted link- feed mechanism- work holding devices . Zeroth law of Marine Workshop Technology-2 GTU Gujarat State 4 thermodynamics and its application.
- 5.4. Types of slotter - specifications- method of operations- Whitworth quick return mechanism- feed mechanism – work holding devices.
Unit 6 COMPUTER NUMERICAL CONTROL (CNC) MACHINE OPERATIONS
- 6.1. Numerical control – definition components of NC systems – working principle of a CNC system distinguishing features of CNC Mach ines - advantage of CNC machines.
- 6.2. Difference between NC and CNC.
- 6.3. Types of turning Centre: horizontal, vertical.
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