MILLING MACHINE || Manufacturing Engg..||UNIT - 1|| 4TH SEM

Описание: इस वीडियो में Manufacturing Engineering के Unit–1 Cutting Fluids & Lubricants को आसान और स्पष्ट हिंदी भाषा में समझाया गया है।
यह वीडियो MECHANICAL Engineering 4th Semester (Polytechnic / Diploma) के छात्रों के लिए बहुत उपयोगी है।
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WHAT WE WILL COVER
UNIT–I :
Cutting fluids and lubricants, types of cutting fluids, cutting fluids for turning, drilling, shaping, sawing and broaching, selection and application of cutting fluids, lubricants classification (solid, liquid, gaseous), properties and applications of lubricants, types of lathes, CNC lathe, lathe specifications, basic parts and functions, lathe operations (turning, facing, parting off, knurling, boring, drilling, threading, step and taper turning), shaper and planer working principle, types of shapers and planers, quick return mechanism, work holding devices, specifications, speeds and feeds, milling introduction, types of milling machines (plain, universal, vertical), milling operations and indexing, milling cutters types, cutter teeth nomenclature and materials, tool signature, tool and work holding devices.

UNIT–II :
Drilling machines classification, basic parts and functions, radial drilling machine, drilling operations and specifications, drills and reamers, broaching introduction, types of broaching machines, broach tool elements and materials, metal grinding principles, abrasives and bonds, grinding wheel selection and specification, grinding wheel wear, dressing and truing, grinding machines (cylindrical, surface, tool and cutter), centreless grinding principle, advantages and limitations, super finishing processes (honing, lapping, buffing, polishing, burnishing).

UNIT–III :
Rolling process definition and classification, forging process definition and classification, extrusion process (hot, cold, direct, indirect), pipe, tube and wire drawing, brazing and soldering types, principles and applications, jigs and fixtures definition and applications, difference between jig and fixture, press working presses and specifications, press working operations (cutting, bending, drawing, punching, blanking, notching, lancing).

UNIT–IV :
Pattern making definition and applications, types of patterns, pattern materials, pattern allowances, measuring and marking tools, cutting, shaping and assembling of patterns, pattern layout and finishing, moulding sand properties and types, moulds and mould making steps, moulding tools and processes, casting operations (melting, pouring, cleaning), casting processes (die, investment, centrifugal), gating and riser system, casting defects and testing.

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