Differentiate between open die forging and close die forging.

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Difference between open die and close die forging:

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Description : (i) Compare Open Die Forging and Close Die Forging. (ii) Explain with neat sketch process of Drop Forging.

Last Answer : (i) Difference between Open Die and Close Die Forging: (ii)Drop Forging  Drop forging is carried out by using drop hammers. They are board or gravity hammer, air lift hammer and power drop ... of upper and lower dies. The ram is fastened to the lower end of vertical hard wood board.

Description : Explain closed die forging with neat sketch

Last Answer : Impression die & Closed die forging process: Closed Die forging is also known as impression die forging. Close die forging process consist of specially prepared dies to manufacturing forged parts in large ... of accuracy. Complex shaped parts can be easily forged by this forging process.  

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. 

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.  

Description : Describe briefly, hand forging and machine forging. 

Last Answer : Hand Forging: [1] Hand forging is the oldest type of metal working process and has influenced the formation of other materials through the age. [2] Smith forging was formerly the process ... the height from which they fall, the higher will be intensity of blow the hammer will provide.

Description : Write forging sequence for spanners.

Last Answer : Forging Sequence for Spanner: (1) The heated stock is elongated by reducing its cross section in first die. The operation is known as Fullering . (2) The metal is redistributed, increasing the cross ... . (5) Flash is removed. (6) Heat treatment and machining is done as per requirement. 

Description : List any four applications of forging process. 

Last Answer : Applications of Forging Process: 1. Connecting rod 2. Crankshaft 3. Camshaft 4. Spanner 5. Alloy wheel 6. Differential gears 7. Drive shafts 8. Clutch hubs 9. Universal joints 10. Hand Tools

Description : State any two advantages of forging process. 

Last Answer : Advantages of forging processes: 1) Complex shaped parts can be forged 2) Mass production with greater accuracy is achieved. 3) It is very easy to maintain close tolerances. 4) ... highly skilled operator. 6) Better reproducibility. 7) Machining is not necessary to obtain final shape 

Description : Classify forging. State Fullering

Last Answer : Answer: Classification of forging processes 1.Open die forging: a) Hand forging b) Power forging: i. Hammer forging ii. Press forging 2.Close die forging: a) Drop forging b) ... The force is applied on the top fuller which results in decreasing the cross section at that point.  

Description : Describe forging sequence for 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, stock ... the finished part is then trimmed in blanking die to remove excess metal or flash.   

Description : Explain drop forging

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. 

Description : Name forging defects. 

Last Answer : 1. Cold shuts 2. Pitting 3. Die shift 4. Incomplete filling of dies 5. Dents 6. Flakes

Description : Explain forging sequence for camshaft.

Last Answer : Forging process for manufacturing Camshaft: i) Stock is redistributed and size is increased at certain places & reduced at others by rolled forging. ii) after preliminary roll forging, the stock is ... v) finished part is trimmed in blanking die to remove excess metal or flash.

Description : State the forging sequence for production of spanner.

Last Answer : Forging sequence for production of spanner Forging Sequence for Spanner: (1) The heated stock is elongated by reducing its cross section in first die. The operation is known as Fullering . (2) ... (5) Flash is removed. (6) Heat treatment and machining is done as per requirement.

Description : Enlist any four operations carried out in forging process and explain fullering with neat sketch.

Last Answer : Operations carried out in forging process:  a) Upsetting b) Drawing Down c) Setting down d) Welding e) Bending f) Cutting g) Punching Fullering: In ... sledge hammer. The force is applied on the top fuller which results in decreasing the cross section at that point.

Description : Enlist any four forging components.

Last Answer : Forging Components:  1. Connecting rod  2. Crankshaft  3. Camshaft  4. Alloy wheel  5. Drive shafts  6. Clutch hubs  7. Universal joints  8. Hand Tools

Description : What are the steps in drop forging? 

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 ... . [5] This energy will be delivered to the metal work-piece to produce plastic deformation. 

Description : Enlist names of any four parts of automobile that can be manufactured by forging.

Last Answer : Following are few automotive components that can be manufactured by forging Process: 1. Connecting rod 2. Crankshaft 3. Camshaft 4. Gears 5. Alloy wheel

Description : Explain press forging with neat sketch. 

Last Answer : Press Forging: In press forging, impression dies are used in which partd are made by plastically deforming a metal blank into die avities by slow squeezing action. The forging pressure builds up from the ... they are generally employed for non-ferrous alloys weighting from upto about 135 N. 

Description : Give detail classification of forging processes. 

Last Answer : Classification of forging processes :  1.Open die forging: a) Hand forging b) Power forging:  i. Hammer forging  ii. Press forging 2.Close die forging: a) Drop forging b) Press forging c) Machine forging

Description : Explain forging process used to manufacture the spanners. 

Last Answer : Answer: Forging process used for production of spanner: 1) Fullering -The heated stock is elongated by reducing its cross section in first die.  2) Edging- The metal is redistributed, ... Trimming: Flash is removed   (6) Heat treatment and machining is done as per requirement.   

Description : State various advantages and limitations of forging processes. 

Last Answer : Answer: Advantages of forging processes  1) Complex shaped parts can be forged 2) Mass production with greater accuracy is achieved. 3) It is very easy to maintain close tolerances. 4) ... cannot be produced by forging. 8) Rapid oxidation of metal surface at high temperature wears the dies 

Description : Define forgeability. Name any two materials that are used in forging. 

Last Answer : Forgeability: Forgeability can be defined as the tolerance of a metal or alloy for deformation without failure. OR  Forgeability is defined as the ability of a metal to change size and shape when heated to ... 10) Tantalum alloys 11) Molybdenum alloys 12) Tungsten alloys 13) Beryllium.

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  

Description : Classify Forging processes.

Last Answer : Classification of forging process - I. Open Die Forging: (a) Hand forging (b) Power forging: i. Hammer forging ii. Press forging Ii. Close Die Forging: (a) Drop forging (b) Press forging (c) Machine forging OR

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.   

Description : Compare drop forging and press forging. 

Last Answer : Comparison of Drop Forging and Press Forging: 

Description : State four advantages and limitations of forging.

Last Answer : Advantages of Forging: 1. Strength: i. Forging reduces the failures. ii. High strength to weight ratio. iii. It can be able to withstand fluctuating stress caused by sudden shock loading. ... be produced by forging. 8. Rapid oxidation of metal surface at high temperature wears the dies.

Description : Explain the term ‘Draft’ related to forging.

Last Answer : Draft — The necessary taper on the side of a forging to allow removal from the dies; also applies to the die impression. Commonly expressed in degrees as the draft angle.

Description : List the four hand tools used in forging.

Last Answer : Hand Tools used in Forging: 1. Hammer 2. Rigid Anvil 3. Hearth 4. Tong 5. Fuller

Description : Differentiate between lapping and honing process.

Last Answer : S. N. Lapping Honing 1 Lapping is a finishing process in which tool used is called lap. Honing is a finishing process in which tool used is called ... level. Used to improve certain form characteristics such as cylindricity, surface finish, or sphericity.

Description : Differentiate with acid cleaning and alkaline cleaning process. 

Last Answer : Acid Cleaning Process Alkaline Cleaning Process 1 Acid cleaning is used for removal of light rust, tarnish, scale, drawing compounds, oil, and grease It is used for the ... .  caustic soda, tri-sodium phosphate, silicates, borates, or carbonates are the alkaline agents.

Description : Differentiate between TIG and MIG.

Last Answer : Sr. No TIG MIG 1 In Tungsten Inert Gas arc welding, non- consumable tungsten electrode is used  In Metal Inert Gas arc welding, consumable metallic electrode is used 2 ... penetration is obtained 8 Requires skilled operator Less skilled operator can do the job

Description : Differentiate between Lapping and Buffing process. 

Last Answer : difference between Lappin and Buffing process : Sr. No.  Lapping Buffing 1 Lapping is a finishing process in which tool used is called as lap.   Buffing ... , sporting items, tools, store fixtures, commercial and residential hardware and household utensils and appliances.  

Description : Differentiate between conventional machines and CNC machine.

Last Answer : Answer: 

Description : Differentiate between CNC and DNC machines.

Last Answer : Differentiate between CNC and DNC machines: S. N. CNC DNC 1 In CNC, Far off controlling of operation is not possible DNC facilitates far-flung control  2 ... DNC now not only controls the equipment; however, also serves as a part of administration statistics system.

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.

Description : Describe briefly any two die accessories.

Last Answer : 1. Stops: The stops are used for correct spacing of the sheet metal as it is fed below the punch to give the greatest output in given length of the plate. 2. Pilots: The pilot ... 5. Pressure pad: It is used for drawing operation for maintaining flat surface of the cup   

Description : Enlist die accessories and state function of knock out

Last Answer : Die Accessories are as follows: 1) Stops a)Button stop b) Lever stop 2) Pilot a)Direct pilot b)Indirect Pilot 3) Knock out 4) Strippers a) Fixed stripper b) Spring ... Pad Knock out: The function of knock out is to eject the finished components from the die cavity. 

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

Description : State “Plane washer” making process with use of combination die.

Last Answer : (Note: The plain washers can be produced by using Compound die or Progressive die. It is not possible to use combination die for making plain washers, so consider compound die or progressive die for answer. ... Stop 2.sheet metal 3.pilot 4.blanking punch 5.ram 6.piercing punch 7.stripper 8.die

Description : Difference between compound and combination die.

Last Answer : Compound die Combination die 1. Any two cutting operations can be performed at one station. 1. Both cutting and forming operations can be performed at one station. 2. Both operations performed in a ... operations performed. 5. e.g. washer 5. e.g. drawing cup shaped part.

Description : Draw a neat sketch of progressive die. 

Last Answer : progressive die

Description : Explain the importance of pressure pads in a die with neat sketch.

Last Answer : Importance of Pressure pad:  It is used for drawing operation for maintaining flat surface of the cup. A pressure pad presses against the material during L bending or U bending, and is used for ... . There is also the purpose of stripping off the material from the punch after forming.

Description : Explain simple die with neat sketch

Last Answer : Simple Die: Simple die or single action dies perform single operation for each stroke of the press slide. The operation may be cutting or forming operation such as blanking, punching, piercing etc. ... are simple in construction and can manufacture by conventional machining processes.    

Description : State the function of pilot and stopper in a die.

Last Answer : Function of pilot and Stopper: Pilots: The pilot positions the stock strip accurately and bring it into proper position for blanking and piercing operations. They act as guides during the piercing or blanking ... it is fed below the punch to give the greatest output in given length of the plate. 

Description : Explain constructional features, and working of progressive die. Also state the functions of any four parts of progressive die. 

Last Answer : Constructional features and Working of Progressive Die:  A progressive die consists of the following parts. 1. Stop 2. Sheet metal 3. Pilot 4. Blanking punch 5. Ram 6. Piercing ... 7. Piercing punch: The function of piercing punch is to produce punched holes into the sheet metal. 

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

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

Last Answer : Answer:

Description : State the functions of the following die accessories: pilots, stops, strippers, pressure pad. 

Last Answer : Answer: Functions of die accessories. 1. Pilots: The pilot positions, the stock strip accurately and bring it into proper position for blanking and piercing operations. They act as guides during the ... 4. Pressure pad: It is used for drawing operation for maintaining flat surface of the cup.