Explain the term ‘Draft’ related to forging.

Explain the term ‘Draft’ related to forging.
by

1 Answer

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.

image

by

Related questions

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.  

Explain drop forging

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. 

Explain forging sequence for camshaft.

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.

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

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.

Explain closed die forging with neat sketch

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.  

Explain press forging with neat sketch.

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. 

Explain forging process used to manufacture the spanners.

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.   

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

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.

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. 

Describe briefly, hand forging and machine forging.

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.

Write forging sequence for spanners.

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. 

List any four applications of forging process.

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

State any two advantages of forging process.

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 

Classify forging. State Fullering

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.  

Describe forging sequence for crank shaft.

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.   

Name forging defects.

Description : Name forging defects. 

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

State the forging sequence for production of spanner.

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.

Enlist any four forging components.

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

What are the steps in drop forging?

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. 

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

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

Give detail classification of forging processes.

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

Differentiate between open die forging and close die forging.

Description : Differentiate between open die forging and close die forging.

Last Answer : Difference between open die and close die forging:

State various advantages and limitations of forging processes.

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 

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

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.

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  

Classify Forging processes.

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

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.   

Compare drop forging and press forging.

Description : Compare drop forging and press forging. 

Last Answer : Comparison of Drop Forging and Press Forging: 

State four advantages and limitations of 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.

List the four hand tools used in forging.

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

Write CNC program format with meaning of each term.

Description : Write CNC program format with meaning of each term.

Last Answer : N001 G01 X12345 Y06789 M03 EOB 1. N001 represents the sequence number of the operation. 2. G01 represents linear interpolation 3. X12345 will move the table 1.2345 in. in a positive direction along the X axis. ... in. along the Y axis. 5. M03 Spindle on CW. 6. EOB End of Block

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.

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.

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.    

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.  

What is interpolation? State its types. Explain linear interpolation with neat sketch

Description : What is interpolation? State its types. Explain linear interpolation with neat sketch

Last Answer : Definition : When the feed rates of individual axis are not constant and they vary continuously through the move it is called interpolation. Following are the types of interpolation: 1. G00- Rapid Traverse 2. ... to clear the job for loading /Unloading N9 M02 EOB  Programme End.  

Explain buffing process with neat sketch.

Description : Explain buffing process with neat sketch. 

Last Answer : Buffing process :- Buffing is used to give a much higher, lustrous, reflective finish that cannot be obtained by polishing. The buffing process consists in applying very fine ... sporting items, tools, store fixtures, commercial and residential hardware and household utensils and appliances. 

List various surface finishing processes. Explain lapping.

Description : List various surface finishing processes. Explain lapping.

Last Answer : List of Surface Finishing Processes: [1] Grinding [2] Honing [3] Lapping [4] Burnishing [5] Buffing [6] Polishing Lapping Lapping is basically an abrasive process in which ... constantly changing. The effective path is of cycloid in nature. Figure shows the lapping process.  

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. 

Name the types of dies used in press work. Explain any one with neat sketch.

Description : Name the types of dies used in press work. Explain any one with neat sketch.

Last Answer : The various types dies used in press work are: 1. Types of dies according to operations performed (i) Shearing (ii) Bending (iii) Drawing (iv) Squeezing 2. Types of ... giving output. These dies are simple in construction and can manufacture by conventional machining processes.     

Explain forming and punching operation with neat sketch.

Description : Explain forming and punching operation with neat sketch.

Last Answer : Forming: Forming processes are particular manufacturing processes which make use of suitable stresses (like compression, tension, shear or combined stresses) to cause plastic deformation of the materials to produce ... metal from being lifted along with the punch 3 after punching operation.   

Explain blanking operation.

Description : Explain blanking operation. 

Last Answer : Blanking: The blanking is the operation of cutting of flat sheet to the desired shape. The piece detached from strip is known a blank. The metal punched out is the required product and the plate ... die and the clearance is left on the punch. Blanking is always performed as the first operation. 

Enlist press operations . Explain lancing and piercing.

Description : Enlist press operations . Explain lancing and piercing. 

Last Answer : Press Operations: [1] Cutting or Shearing Operations: Blanking, Punching, Piercing, Notching, perforating, trimming, shaving, slitting, lancing. [2] Bending Operation: Angle bending [3] Forming ... clearance is provided on the die. Figure shows punch and die set for piercing. 

Explain Closed loop and Open loop system with sketch.

Description : Explain Closed loop and Open loop system with sketch. 

Last Answer : Closed Loop System: [1] The name indicates that the closed loop control system has a loop that is closed as shown in figure. [2] A feedback device is used for this purpose. This makes ... system is generally used in point-to-point systems where the accuracy requirements are not critical. 

Explain working principle of CNC Machine.

Description : Explain working principle of CNC Machine.

Last Answer : Working principle of CNC Machine: In CNC machine, tape reader or any other input media is used for entry of part program. In CNC, entire program is first feed to the inbuilt computer memory. Once the ... . the part programmes can be stored in the memory of the computer and used in future.  

Explain with neat sketch pilots and its types.

Description : Explain with neat sketch pilots and its types.

Last Answer : The pilot illustrated in Fig. enables the correct location of the blank when it is fed by mechanical means. The pilot enters into the previously pierced hole and moves the blank to the correct ... enter previous punched holes in the strips some distance away from the blanking punch    

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.

Explain material used in press work for automobile applications

Description : Explain material used in press work for automobile applications

Last Answer : 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, 10) Babbitt metal, 11) stainless steel & its alloys, 12) Different types of steels & its alloys. 

Explain piercing operation.

Description : Explain piercing operation. 

Last Answer : Piercing: The piercing is the operation of production of hole in a sheet metal by the punch and the die. The materials punched out to form the hole constitute the waste. The punch point diameter in the ... hole and clearance is provided on the die. Fig. shows punch and die set for piercing.