Draw a schematic of a set up of shielded metal arc welding.

Draw a schematic of a set up of shielded metal arc welding. 
by

1 Answer

Answer :

Fig. Shielded metal arc welding set-up

image

by

Related questions

Explain the shielded metal arc welding (SMAW) processes with neat sketch. State its two advantages and disadvantages.

Description : Explain the shielded metal arc welding (SMAW) processes with neat sketch. State its two advantages and disadvantages.

Last Answer : Working  : Shielded metal arc welding uses a metallic consumable electrode of a proper composition for generating arc between itself and the parent work piece. The molten electrode metal fills the weld ... . 2. Weld may contain slag inclusions 3. Fumes make difficult the process control.

List common equipments used for arc welding process.

Description : List common equipments used for arc welding process.

Last Answer : 1. A.C. or D.C. machine 2. Electrode (bare or coated) 3. Electrode Holder 4. Cables and its connectors 5. Chipping Hammer 6. Earthing Clamps 7. Wire-brush 8. Helmet 9. Safety Goggles 10. Hand Gloves 11. Apron Sleeves etc.

Describe the working principle of Arc Welding.

Description : Describe the working principle of Arc Welding.

Last Answer : Arc welding is the most extensively employed method of joining metal parts. Here the source of heat is an electric arc. The arc column is generated between an anode which is the positive pole of D.C. ... also melted and is transferred in to the metal in the form of globules of molten metal.  

Compare resistance welding and arc welding.

Description : Compare resistance welding and arc welding. 

Last Answer : Sr. No Resistance Welding Arc Welding 1 It is plastic welding It is fusion welding. 2 Arc is produced by heat due to resistance of flow of current by work and by application ... 8 Less skilled operator can do the job. More skilled operator is required to the job

Explain with neat sketch method of welding used in manufacturing sheet metal roofs and doors of automobiles.

Description : Explain with neat sketch method of welding used in manufacturing sheet metal roofs and doors of automobiles. 

Last Answer : Method of Welding Used in Manufacturing Sheet Metal Roofs and doors of automobiles: MIG Welding: Gas-metal-arc welding is a gas shielded metal arc welding process which uses the high ... mixtures) which will not combine with metal. Carbon dioxide is most commonly used as it inexpensive.

Draw neat sketch showing various parts of die set.

Description : Draw neat sketch showing various parts of die set. 

Last Answer : Answer: 1. Stop 2.Sheet metal 3.Pilot 4.Blanking punch 5.Ram 6.Piercing punch 7.Stripper 8.die Fig. Progressive Die OR

Explain the resistance spot welding process with neat sketch. State its two advantage and disadvantage.

Description : Explain the resistance spot welding process with neat sketch. State its two advantage and disadvantage. 

Last Answer : Resistance Spot welding: Spot welding is employed to join overlapping strips, sheets or plates of metal at small areas .The pieces are assembled between two electrodes, which must possess high electrical & thermal ... for making the RSW a success. 4. The thick jobs are not easy to weld. 

Explain seam welding process with the help of neat sketch.

Description : Explain seam welding process with the help of neat sketch.

Last Answer : Seam Welding is a Resistance Welding (RW) process used for producing continuous joint of overlapping sheets by passing them between two rotating electrode wheels. Heat generated by the electric current flowing through ... the electrodes and cool the work rapidly to speed up the operation.    

Describe in brief the equipments required for oxy-acetylene welding.

Description : Describe in brief the equipments required for oxy-acetylene welding.

Last Answer : The following equipments are required for oxy-acetylene welding. 1. Welding torch or Blowpipe: It is the tool for mixing two gases in the desired volumes and burning the mixture at the end of a ... particularly when the oxides of the base metal have a higher melting point than the metal itself.

Describe with neat sketch: (i) Spot Welding (ii)Seam Welding

Description : Describe with neat sketch: (i) Spot Welding (ii)Seam Welding

Last Answer : (i) Spot Welding: Spot welding is employed to join overlapping strips, sheets or plates of metal at small areas .The pieces are assembled between two electrodes, which must possess high electrical & ... used to conserve the electrodes and cool the work rapidly to speed up the operation.   

Classify butt welding process.

Description : Classify butt welding process.

Last Answer : Classification of Butt Welding Processes: 1. Flash Butt Welding 2. Resistance Butt Welding 3. Hand Welding 4. Upset Welding

With neat sketch explain MIG welding

Description : With neat sketch explain MIG welding

Last Answer : MIG Welding: Gas-metal-arc welding is a gas shielded metal arc welding process which uses the high heat of an electric arc between a continuously fed, consumable electrode wire and the material to be ... which will not combine with metal. Carbon dioxide is most commonly used as it inexpensive.

Sketch and label different types of gas welding flames. Also give application of any one flame.

Description : Sketch and label different types of gas welding flames. Also give application of any one flame.

Last Answer : 1) Neutral Flame: - A neutral flame is obtained when equal amounts of oxygen and acetylene are mixed and burnt in a torch.   Applications: - stainless steel, cast iron, copper ,mild ... when acetylene is supplied more than oxygen.   Applications:-high carbon steel, nonferrous alloy 

Explain the resistance Welding

Description : Explain the resistance Welding

Last Answer : Resistance Welding: Resistance welding is a group of welding processes wherein coalescence is produced by the heat obtained from resistance of the work to the flow of electric current in a circuit of ... aid of mechanical pressure the electrodes are forced against the metal to be welded. 

State the working principle of gas welding.

Description : State the working principle of gas welding.

Last Answer : Working principle of gas welding: Gas Welding is a fusion welding process. It joins metals, using the heat of combustion of the oxygen/air and combustible gas (i.e. acetylene, hydrogen, propane, ... the components to be forced together under pressure until the weld is forms and solidifies. 

Give classification of welding process.

Description : Give classification of welding process.

Last Answer : Classification of Welding Process a. Arc welding 1) Carbon Arc Welding; 2) Shielded Metal Arc Welding (SMAW) 3) Submerged Arc Welding (SAW) 4) Metal Inert Gas Arc Welding (MIG, GMAW) 5) ... (USW) e. Thermit Welding (TW) f. Electron Beam Welding (EBW) g. Laser Welding (LW)

Explain any two types of resistance welding processes in detail.

Description : Explain any two types of resistance welding processes in detail.

Last Answer : 1.Resistance Spot welding: Spot welding is employed to join overlapping strips, sheets or plates of metal at small areas. The pieces are assembled between two electrodes, which must possess high electrical ... small parts. Butt Welding provides joining with no loss of the welded materials.   

Explain the working principle of resistance welding with neat sketch.

Description : Explain the working principle of resistance welding with neat sketch. 

Last Answer : Resistance Welding Process: 1.Resistance Spot welding:  Spot welding is employed to join overlapping strips, sheets or plates of metal at small areas. The pieces are assembled between two ... welding small parts. Butt Welding provides joining with no loss of the welded materials.  

Explain the working principle of MIG welding with neat sketch.

Description : Explain the working principle of MIG welding with neat sketch.

Last Answer : MIG Welding: Gas-metal-arc welding is a gas shielded metal arc welding process which uses the high heat of an electric arc between a continuously fed, consumable electrode wire and the material to be ... will not combine with metal. Carbon dioxide is most commonly used as it inexpensive.

Give detail classification of welding. State important factors upon which selection of welding process depends.

Description : Give detail classification of welding. State important factors upon which selection of welding process depends. 

Last Answer : Answer: Classification of Welding 1. Arc welding a. Carbon Arc Welding; b. Shielded Metal Arc Welding (SMAW) c. Submerged Arc Welding (SAW) d. Metal Inert Gas Welding (MIG, ... workers 14. Cost of materials 15. Code or specification requirements 16. Mechanical properties desired in joints 

List various types of flames used in gas welding.

Description : List various types of flames used in gas welding. 

Last Answer : Answer: 1. Neutral Flame 2. Oxidizing Flame 3. Carburizing Flame 

State any four applications of resistance welding.

Description : State any four applications of resistance welding. 

Last Answer : Answer: Applications of resistance welding: 1. Resistance welding is widely used in automotive industries. 2. Projection welding is widely used in production of nut and bolt. Projection welding is ... welding is applied in manufacturing of wheel rims, wire joints and railway track joints etc. 

Explain TIG (GTAW) welding process with neat sketch.

Description : Explain TIG (GTAW) welding process with neat sketch.

Last Answer : Tungsten Inert Gas Arc Welding (TIG, GTAW): It is a welding process, in which heat is generated by an electric arc struck between a nonconsumable tungsten electrode and the work piece. The weld pool is ... produces a high quality weld of most of metals. Flux is not used in the process.  

List types of welding flames used in Oxy-acetylene welding. Write their characteristics and applications.

Description : List types of welding flames used in Oxy-acetylene welding. Write their characteristics and applications.

Last Answer : Types of Flames: Characteristics Applications. 1)Neutral Flame: When oxygen and acetylene are supplied to the torch in nearly equal volumes, a neutral flame is produced. It has two ... cone of whitish colour. 3) Bluish outer cone High Carbon Steel, non - ferrous alloys,

Classify welding processes.

Description : Classify welding processes.

Last Answer : Classification of Welding Process Depending on method of heat generation American welding society classifies welding as A. Arc Welding 1) Carbon Arc Welding; 2) Shielded Metal Arc Welding (SMAW) 3) ... . Thermit Welding (TW) F. Electron Beam Welding (EBW) G. Laser Welding (LW) 

List applications of seam welding.

Description : List applications of seam welding.

Last Answer : Seam welding is used to produce leak proof joint required in 1. Small Tanks, 2. Boilers 3. Containers, 4. Radiators 5. Heat Exchangers etc.

State four advantages of welding.

Description : State four advantages of welding.

Last Answer : Advantages of Welding Process: 1) It produce permanent joint. 2) Large number of metals can be welded. 3) Freedom in design. 4) Strong and tight joining 5) Cost effectiveness 6) Simplicity of welded structures design 7) Welding processes may be mechanized and automated.

Draw schematic diagram of welding transformer showing constructional features of a welding transformer. Also explain its working.

Description : Draw schematic diagram of welding transformer showing constructional features of a welding transformer. Also explain its working.

Last Answer : Constructional features of welding transformer: Working of welding transformer: i) It is a step down transformer that reduces the voltage from the source voltage to a voltage desired according to the demands of ... 230 V, 415 V Secondary voltage - 40 to 60 V Secondary current - 200 to 600 A

Draw neat labeled sketch of ply press.

Description : Draw neat labeled sketch of ply press.

Last Answer : sketch of ply press

Draw flatter and Fuller. State its use in forging.

Description : Draw flatter and Fuller. State its use in forging.

Last Answer : 1. Fuller: Use of Fuller: Fuller is a forging tool, used to spread the metal. The fuller is placed against the metal stock, and then either the fuller or the stock is struck ... are used to give smoothness and accuracy to articles which have already been shaped by fullers and swages. 

Draw a neat sketch of progressive die.

Description : Draw a neat sketch of progressive die. 

Last Answer : progressive die

Draw neat sketch of compound die, showing various parts of it.

Description : Draw neat sketch of compound die, showing various parts of it.

Last Answer : Answer:

Draw the neat sketch of fly press. Give the functions of important parts of it.

Description : Draw the neat sketch of fly press. Give the functions of important parts of it. 

Last Answer : Answer: OR Functions of important parts of Fly Press. 1. Ram : This is main operating part of the press which works directly during processing of a workpiece. Ram ... : A die is a specialized tool used in manufacturing industries to cut or shape material mostly using a press 

Draw and explain axis configuration as per ISO, for horizontal spindle CNC machines.

Description : Draw and explain axis configuration as per ISO, for horizontal spindle CNC machines.

Last Answer : Axis Configuration for Horizontal Spindle CNC Machines: The first axis to be identified is the Z axis. This is then followed by the X and Y axes respectively. Z Axis and ... are in the directions which advance right-hand screws in the positive X, Y and Z directions respectively.  

Draw the simple labeled sketches showing forging sequence for manufacturing Gears.

Description : Draw the simple labeled sketches showing forging sequence for manufacturing Gears.

Last Answer : Forging Sequence for Manufacturing Gears: i) The size of the heated stock is reduced with compensation of its length i.e. Upsetting is carried out.  ii) After heading or upsetting, stock is ... next impression or blocking die   iv) Then the finished part is trimmed in blanking die  

Draw simple labeled sketch showing forging sequence for manufacturing Crank Shaft.

Description : Draw simple labeled sketch showing forging sequence for manufacturing Crank Shaft.

Last Answer : Forging Sequence for Manufacturing Crank Shaft: [1] Stock is redistributed and size is increased at certain place and reduced at other place by roll forging. [2] After preliminary roll forging, ... Then the finished part is then trimmed in blanking die to remove excess metal or flash.   

Describe with sketch the surface treatment process used to built-up worn out metal components of automotive engines.

Description : Describe with sketch the surface treatment process used to built-up worn out metal components of automotive engines.

Last Answer : Metal spraying is to build-up worn out metal components of automotive engines.   Metal Spraying of metalizing literally means to treat with or coat with a metal or metallic compound. Metalizing as ... being coated, by compressed air. A sectional view of metal spraying gun is shown in fig.  

Explain metal spraying process and give two applications.

Description : Explain metal spraying process and give two applications.

Last Answer : Metal praying of metalizing literally means to treat with or coat with a metal or metallic compound. Metalizing as a process normally includes the preparation of base material, the spraying on ... Its other applications are in having decorative films, reflecting surfaces and special metal forms. 

Specify a Press Size required for sheet metal work.

Description : Specify a Press Size required for sheet metal work.

Last Answer : Specification of Press Size: Shut Height- The space available between the press bed or bolster and the slide or ram is called the shut height. It is always measured with the press shut or ... motion. Stroke length relates to speed ranges, the longer the stroke the slower the press speed range.

In arc welding, Argon is used because of its - (1) Low reactivity with metal (2) Ability to lower the melting point of the metal (3) High flammability (4) High calorific value

Description : In arc welding, Argon is used because of its - (1) Low reactivity with metal (2) Ability to lower the melting point of the metal (3) High flammability (4) High calorific value

Last Answer : (1) Low reactivity with metal Explanation: In arc welding, Argon is used as a shielding gas because it is chemically inert and forms no compounds. At the high temperatures that welding requires, the ... to brittle welds and instability in the welding arc. So,argon and other inert gases are sprayed.

Cold cracking in the heat affected zone of a high strength steel weld can take place because of the (A) Retained austenite (B) Martensite formation (C) Relatively high sulphur content in the base metal (D) Sufficient hydrogen present in the welding arc

Description : Cold cracking in the heat affected zone of a high strength steel weld can take place because of the (A) Retained austenite (B) Martensite formation (C) Relatively high sulphur content in the base metal (D) Sufficient hydrogen present in the welding arc

Last Answer : (B) Martensite formation

In arc welding, Argon is used because of its (1) Low reactivity with metal (2) Ability to lower the melting point of the metal (3) High flammability (4) High calorific value

Description : In arc welding, Argon is used because of its (1) Low reactivity with metal (2) Ability to lower the melting point of the metal (3) High flammability (4) High calorific value

Last Answer :  Low reactivity with metal

List the parts of standard die set.

Description : List the parts of standard die set.

Last Answer : 1)Die 2)Die Block 3)Lower Shoe 4)Punch 5)Upper Shoe  6)Back Up Plate 7)Stripper

Sketch and describe the following press operations: 1. Punching 2. Shearing and 3. Trimming

Description : Sketch and describe the following press operations: 1. Punching 2. Shearing and 3. Trimming

Last Answer : (i) Punching : In punching operation, a hole is the desired result. The size of hole is determined by the size of punch and clearance is allowed on the die. The figure shows the ... still hot for maximum efficiency; therefore it is usually incorporated into the larger production process.

Explain with sketch construction and application of progressive die.

Description : Explain with sketch construction and application of progressive die.

Last Answer : OR Construction A progressive die consists of the following parts.: 1. Stop 2. Sheet metal 3. Pilot 4. Blanking punch 5. Ram 6. Piercing punch 7. Stripper Plate 8. Die ... such as automotive, electronics and appliances. Example car brake caliper, washer, lid of a beverage can etc.

List the materials used in press work for automobile components parts with example.

Description : List the materials used in press work for automobile components parts with example.

Last Answer : Materials used in press work: 1) Aluminium, 2) Copper, 3) Brass, 4) Mild Steel, 5) Galvanized iron (G.I) sheets, 6) Duralumin, 7) Y-alloys, 8) Naval Brass, 9) Cartridge Brass, ... 8) Carburettor bodies 9) Valves 10) Combustion Chamber 11) Cylinder heads , blocks,  12) Gear box cases

Explain the following press operations (a) Punching (b) Drawing

Description : Explain the following press operations (a) Punching (b) Drawing

Last Answer : a) Punching: In punching operation, a hole is the desired result. The size of hole is determined by the size of punch and clearance is allowed on the die. The figure shows the spacing of hole on plate2 ... between punch and die is greater. [5] The drawing operation is illustrated in Fig.  

Explain drop forging with neat sketch.

Description : Explain drop forging with neat sketch. 

Last Answer : Drop Forging Process: Drop forging is carried out by using drop hammers. They are board or gravity hammer, air lift hammer and power drop hammer. Anvil of drop forging hammer is attached to the frame ... [5] This energy will be delivered to the metal work-piece to produce plastic deformation.  

State the meaning of G90, G91.

Description : State the meaning of G90, G91.

Last Answer : Meaning of following G-Codes: G90 :- Absolute Dimensioning G91:- Incremental Dimensioning

Define Soldering. Give one application of soldering.

Description : Define Soldering. Give one application of soldering. 

Last Answer : Definition of Soldering:- Soldering is a method of uniting two or more piece of metal by means of a fusible alloy or metal, called solder, applied in the molten state. Applications of Soldering ... 9. Refrigeration and plumbing machine tools components,  10. Copper foil in stained glass work.