Machine Tool Reconditioning and Overhauling detail TNDTE Diploma syllabus for Mechanical Engineering (Machine Tools Maintenance & Repair) (MT), M scheme is extracted from TNDTE official website and presented for diploma students. The course code (39264), and for exam duration, Teaching Hr/week, Practical Hr/week, Total Marks, internal marks, theory marks, duration and credits do visit complete sem subjects post given below. The syllabus PDFs can be downloaded from official website.
For all other machine tools 6th sem syllabus for diploma m scheme tndte you can visit Machine Tools 6th Sem Syllabus for Diploma M Scheme TNDTE Subjects. The detail syllabus for machine tool reconditioning and overhauling is as follows.
Rationale:
The exponential growth of engineering industries has made a vide scope for maintenance engineering. The student studying maintenance should have a thorough knowledge in various aspects of maintenance engineering
Objectives:
- To know about Reconditioning Of Machine Tools
- To know about Maintenance Activity And Major Overhaul Machine Tools
- To know about Principles of Acceptance Test
- To know about Details of Testing of Various Machine Tools
- To know about Condition Based Maintenance
Unit 1
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Unit 2
Maintenance Activity And Major Overhaul Machine Tools Maintenance
Definition – types – Preventive maintenance -advantages – procedure – break down maintenance. Example of an engine lathe overhaul. Inspecting and checking before repair Disassembly- mounting and aligning the feed gear boxapron, lead screw and feed rod bracket- repairing the tailstock -headstock spindle – three jaw chuck – lead screw and nut – cracks in a cast iron body – technical requirements for the repaired lathe -standard chart for major overhaul of an engine lathe.
Unit 3
Principles of Acceptance Test
- Acceptance Test:
- Dial Gauges:
- Alignment by Telescope:
Acceptance test- reason for testprinciples of acceptance test- machine tool under load – test charts execution of acceptance test – measuring equipments and methods.
Dial gauges – test mandrels – straight edges -squares- spirit levels- level measurement by water levelalignment by wire and measuring microscope.
Alignment by telescope and target magnitudes and direction of tolerances- straightness of slide ways and flatness of tables- alignment and true running of shafts- lead or pitch error of lead screws- pitch errors of gears and dividing errors of dividing heads 11
Unit 4
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Unit 5
Condition Based Maintenance
- Condition monitoring:
- Off- load monitoring:
- Lubricating monitoring:
- Vibration and noise monitoring:
Categories of condition monitoring methods-on load monitoring techniques- temperature monitoring -lubricating monitoring – leak detection – vibrating monitoring -noise monitoring – corrosion monitoring.
Crack detection – leak detection -vibration testing – corrosion monitoring – general purpose monitoring techniques – the systematic application of C.M.
Debris deposited- debris in suspension- condition of used oil- ferrography.
Thermal monitoring:
Location of temperature measurement -temperature monitoring devices- contact sensors, liquid expansion sensors, bimetallic expansion sensors, thermocouple sensors, resistance sensors – temperature paints, Crayons and pellets- noncontact sensors- optical pyrometer, radiation pyrometer. Scanning DR camera. Malfunction that can be monitored thermally.
The cause of vibration and noise – measurement – equipment. The vibration or noise signals -vibration monitoring techniques- total signal monitoring – peak signal monitoring figure of merit shock pulse monitoring.
Text Books:
- Industrial maintenance by HP Garg – S. Chand&Co, 1987
- Management of industrial maintenance by A. Kelley &M.J.Harris- Morgan-Grampian (Publishers), 1978
Reference Books:
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For detail syllabus of all other subjects of BE Machine Tools, M scheme do visit Machine Tools 6th Sem syllabus for M scheme.
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