ITI's which provides courses for Pattern Maker

Sr. No.

Subjects of Study

Trade Theory

1

Safety at work-accident do not happen, they are caused.

2

Revision of previous 2 years work.

3

Brief description of materials other than wood and metal used in pattern work e.g. plaster of paris, wall araldite, special resins etc. their properties & uses

4

Meat treatment of metals-annealing, hardening, tempering, normalizing and case-hardening.

5

Patterns-types of patterns such as one piece pattern, split pattern, loose pieces, sweep pattern, skeleton pattern, mounted pattern etc and introduction to metal pattern-making.

6

Economic construction of large and intricate patterns, numbering storing and preservation of patterns, Printing of patterns according to ISI standards. Finishing materials used in pattern work e.g. shellac etc.

7

Timber-different types, their properties and uses, seasoning, storing and preservation of timber.

8

Machine tolls description and use of pattern makers’ wood lathe, universal saw (bench), band saw, planer and jointer, universal wood working machines. Routine maintenance of those machines.

9

Allowances in construction of patterns use of construction rule.

10

Brief manufacturing process for pig iron, cast iron, wrought iron, steel and copper, aluminium base alloys, bearing metals etc.

11

Use of tables and manufacturers hand books.

12

Modern development in the trade-new techniques etc.

13

Inspection-reduction of scrap by stage inspection.

14

Introduction of work simplification related to the trade job study, job analysis including planning of sequence of operation, critical approach and method of working, estimation of time and material job handling.

15

Quality and finish of work-importance of quality and finish of jobs at all stages.

16

Revision and test:

Workshop Calculation and Science

1

Revision of work of previous two years.

2

Problems connected with estimation of time and materials.

3

Further problems as applicable to the trade.

4

Further problems on mensuration work, power and energy.

5

Meaning of tenacity, elasticity, malleability, brittleness, hardness, compressibility and ductility.

6

Meaning of stress, strain, modulus of elasticity, ultimate tensile strength, factor of safety and different types of stresses.

7

Gear and belt drives. Determination of horse power, speed and size of pulleys and gears.

8

Determination of force on the piston ram etc.

9

Velocity, acceleration and retardation.

10

Descriptive explanation of expansion of solids, liquid and gases due to heat, co-efficient of expansion, brief description of transference of heat conduction, convection and radiation.

11

Quantity of heat unit of heat, B.Th. U.C.P.U. calories- specific heat of liquids and solids calorific value of different types of fuels.

12

Heat and temperature thermometric scale-farenheit and centigrade, conversion of farenheit and centigrade.. Conversion of farenheit scale to centigrade and vice-versa, Measurement of temperature. Name and brief description of the temperature measuring instruments use in the workshop including those for high temperature i.e. optical and impression pyrometers.

13

Calculation of weight from pattern to casting hollow and solid.

Engineering Drawing:

1

Revision of previous two year work.

2

Explanation of I.S.I. Standards for engineering Drawing

3

Free hand sketching of objects related to the trades.

4

Advanced Blue Print Reading.

5

Curves of interpretations-simple exercise.

6

Drawing of different types of joints used in pattern making.