INDRODUCTION TO TOOL ENGINEERING
The field of Tool Engineering takes participation in the refinementof product design and the design of machinery and also machine toolsgauges etc.
Industreis utilize millions of men,production tools,machines,processes,material handling devices, buildings,other related facilities and millions of rupeesin order to shape and produce materials to meet the needs of mankind.
The competitive system forces a methodical selection and utilization of the factors of production in the manufacture of high quality products of low cost.
The many alternative processes available to change the size and shape of materials requirecomplementary toolling. Ingenuity is required in the design of this tooling to facilitatescheduled and economic machining, casting, joining and press working of the many Engineeringmaterials. The field of tool and manufacturing engineering encompasses a wide varity of industries.It is concerned with the manufacture of airplanes, food handling equipments, glassware,refrigerators, communication equipments, textiles,electronic equipments, sewing machines, sporting goods, automobiles,machine tools, furniture, packaging equipments, missiles, farmequipments, space capsules, stores and soon.
The field of tool and manufacturing is a necessary function in unit or high volume productionand in large or small enterprises. The tool and manufacturing engineer articulates in an environment which requires a through understanding of scientific and engineering principles.The tool manufacturing engineers must understand the broad manufacturing aspects of the industryin which he is employed and he must also be able to design specific production tooling.
TOOL ENGINEERING COURSE:
Today many Engineering coruses are available for studying such as MechanicalEngineering, Electrical and Electronics Engineering, Textile Engineering, Civil Engineering,Automobile Engineering, Aeronautical Engineering, Marine Engineering etc..
Tool Engineering is one of part of the Mechanical Engineering. It is a Diploma course.It is very valuable and usuable course. This course is available in Government and Privatepolytechnic colleges.
After completion of this courses, students have a good job. And also they haveopportunities in foreign countries. Some other's to start own industries. After completion ofthis course students are positioning for the following jobs in different industries.Tool and Die maker post, Supervisor, Quality control department, Tool Room Manager, ProductionManager, Tool designer etc..
In Tool Engineering course, students have known Tool manufacturing processes and Tool designing principles. And also have knowledge on machines such as Lathe, Milling machine,Grinding machine, shaping and planner machine, Drilling machine, power hack saw cutting machineand some CNC machines.
Educational Qualification: 10th standard with good percentage of marks.

METAL FORMING PROCESSES

Introduction:
Metal forming is a process of forming the metal into the required shape. In thisprocess no chips removed from the metal. The metal is formed into shape by applying force on themetal.
A press woring operation, generally completed by a single application of pressure oftenresults in the production of a finished part in less than one second. Press working forces are setup, guided and controlled in a machine referred to as PRESS. Metal is formed in two different stages such as 1.Cold working 2.Hot working.

Cold working
In this process metal is formed in the cold condition. In cold woring the metalis pressed or cut, to get the required shape. The metal is stretched beyond its elastic limit.cold working can be done only on ductile metals. The machine used for pressing the metal in cold working is called a "cold formingpress".
Hot working:
In this process metal can also be formed in hot condition. Here the metal is heatedto a temperature, so that recrystalysation takes place. At this hot condition the metal ispressed to get the required shape. The machine used for pressing the metal in hot working is called "hot working press"

PRESS TOOLS
The tool which is used on press machines with punch and die is known as press tool.
Punch is the male part of the tool, which is fastened to the ram and forced into the die.
Die is the female part of the tool,which is rigidly held on the bed of the press machine.Die has an opening in perfect alignment with the punch.

Types of Dies:
1.Based on the operations
1.Shearing, 2.Blanking, 3.Piercing, 4.Punching, 5.Cutting off, 6.Parting off, 7.Notching, 8.Slitting, 9.Lancing, 10.Bending (angle bending and edge bending), 11.Curling,
12.Forming, 13.Drawing or cupping, 14.Plunging, 15.Squeezing, 16.Coining, 17.Embossing,
18.Deep drawing, 19.Flatening or planishing, 20.Trimming.
2.Based on construction
1.Simple die, 2.Progressive die, 3.Compound die, 4.Combination die, 5.Inverted die.

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