Page 17 - Foundryman - TP - Hindi
P. 17

Professional Perform different types of 20. Test moisture content of green  Sand testing different methods of
             Skill 25Hrs; sand testing & find out  sand with the help of moisture teller  moisture content test permeability
                         result. (NOS:ISC/N9455   or infrared dryer. (05 hrs)     test, clay content test, strength test,
             Professional                                                         sand    grain  fineness    test,
             Knowledge                          21. Find out clay content of sand.  refractoriness test of moulding sand.
             04 Hrs                               (05 hrs)
                                                22. Find out permeability test of green  Common types of natural & synthetic
                                                  sand with permeability tester.  moulding sand as per IS 3343-1965
                                                  (05 hrs)                        properties of moulding sand. (04 hrs.)
                                                23. Find out strength test with
                                                  universal testing machine. (05 hrs)
                                                24. Find out grain fineness no. of
                                                  moulding sand with sieve shaker
                                                  tester. (05 hrs)
             Professional Produce green sand 25. Ramming practice in moulding     Ramming procedure of rammer and
             Skill 50 Hrs; moulds   by   using     boxes with hand rammers to obtain  other tools used in making mould.
                         appropriate hand tools.   desire green hardness such as 70,
              Professional                                                        Importance of hardness test. (04 hrs.)
             Knowledge   (NOS:ISC/N9456)           80, 90 by green hardness tester.
             14 Hrs                                (12 hrs)

                                                26. Cut channel on rammed boxed   Different types of Gate cutting system
                                                   with cross section such as     with different tools used & repairs of
                                                   trapezoid & triangular and finish  gates.
                                                   with cleaner & double ender etc.  principle ingredients in moulding sand
                                                   (08 hrs)                       & their effect on physical properties
                                                27. Prepare unit sand and prepare  special additives in moulding sand &
                                                   mould for block such as square,  their effect unit sand. (04 hrs.)
                                                   Rectangular and round.(05 hrs)

                                                28. Prepare facing and backing sand  Facing sand, baking sand
                                                   and simple moulds with top run  Composition of various moulding
                                                   gates. (12 hrs)                sand. Types of mould- advantage and
                                                29. Prepare mould with self-leaving  disadvantage of sand mould and
                                                   core pattern by using parting line  metal mould.
                                                   gates. (13 hrs)                Moulding boxes [As per IS 1280-1958]
                                                                                  Crucible [As per IS 1748-1961]
                                                                                  (06 hrs.)

             Professional Produce different casting 30. Prepare green sand mould by  Definition of green sand Advantage and
             Skill components by different         using split pattern for aluminium  disadvantage of green sand mould,
             175Hrs;     metal with different      casting. Use natural moulding  loam sand mould and cement bonded
                         moulding process and      sand melt aluminium in different  sand mould.
             Professional  finish the casting as per  furnace and pour the same into  Construction, operation and
             Knowledge   requirement. (NOS:ISC/    moulds, fettle aluminium casting.  maintenance of pit furnace. (04 hrs.)
             30Hrs
                         N9457)                   (25 hrs)

                                                31. Level the floor with sprit level and  Moulding process – bench moulding
                                                   straight edge and prepare open  different methods advantages,
                                                   sand mould. (25 hrs)           disadvantages and their application.
                                                                                  (04 hrs.)

                                                32. Prepare bedded in mould without  Moulding process floor moulding.
                                                   core with parting line gate. (12 hrs)  Different methods; advantage and
                                                33. Prepare bedded in mould with core  disadvantages and their application
                                                   and bottom run gate. (13 hrs)  machine moulding different types of
                                                                                  moulding machines and slinger.
                                                                                  (05 hrs.)



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