Draw neat labeled sketch of ply press.

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sketch of ply press

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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 

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 : 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.     

Description : Explain fly press with neat sketch.

Last Answer : Fly Press : [1] It is simplest type of all presses, called as hand press / ball press/single side fly press. [2] It consists of robust cast iron frame. Top portion of frame forms the nut ... adjusted with help of Stop Collar / Arrestor. Advance type of fly press is double side Press. 

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 : Explain Blanking operation on press with neat sketch.

Last Answer : Blanking Operation:  1. It is the operation of cutting of flat sheet to the desired shape.  2. The metal punched out (i.e. blank) is the required product & the plate with hole left on ... is governed by size of die and the clearance left on the punch.  Fig. shows blanking operation

Description : Explain drawing operation on press with neat sketch.

Last Answer : Drawing Operation:  1. The drawing is the operation of production of cup shaped parts from flat sheet metal blanks by bending and plastic flow of the metal.  2. The blank is placed on die ... , clearance between punch and die is greater. The drawing operation is illustrated in Fig. 

Description : Draw a neat sketch of progressive die. 

Last Answer : progressive die

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 : 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 : 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.

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.

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. 

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.    

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 : 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.  

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. 

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.   

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.   

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    

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.

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 : Explain electrolytic cleaning with neat sketch.

Last Answer : Electrolytic Cleaning: This is effective as final cleaning process for removing oil and grease from machined surface when extreme cleanliness is required. It is almost always used for final cleaning of steel parts ... should be low or excessive foaming with danger of explosion may result.

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 : 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 : Explain honing with neat sketch 

Last Answer : Honing Process (micro finishing process): To correct hole geometry in component, honing is used as a micro finishing process. Honing is an abrading process used mainly for finishing round holes by means ... operation of this process, to flush away small chips and to keep temperatures uniform. 

Description : Explain axes identification of CNC machine with neat sketch

Last Answer : The first axis to be identified is the Z axis. This is then followed by the X and Y axes respectively. Z axis and motion: Location: The Z axis motion is either along the spindle axis or ... which advance right-hand screws in the positive X, Y and Z directions respectively. 

Description : With neat sketch explain the working principle of CNC machines. 

Last Answer : Working Principle of CNC machine:- A CNC machine also has a tape reader or any other input media for entry of the part program. CNC uses the part program in a different manner though there is ... to the reference. These two signals are compared and necessary action is controlled.   Or  

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.  

Description : With neat sketch explain the features of oxidizing flame and carburizing flame.

Last Answer : Oxidizing Flame: An oxidizing flame is one in which there is an excess of oxygen. The flame has two zones- the smaller inner cone which has purplish tinge, the outer cone or envelop.   Carburizing ... defined inner cone 2) An intermediate cone of whitish colour. 3) Bluish outer cone   

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.

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 : Describe Abrasive blast cleaning process with neat sketch.

Last Answer : Abrasive Blast Cleaning (Blasting): This method is widely used for removing all classes of scale and rust from forgings, castings, weldments, and heat treated parts. Depending on the finish ... and other material are removed, providing an excellent surface for bonding final finishes.

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.  

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.

Description : Explain construction and working of Combination Die with neat sketch.

Last Answer : Combination Die: In this both cutting and non-cutting operations are performed at one station of the press in every stroke of the ram. Figure shows a combination of blanking and drawing die.In this ... as blank holder when the drawing punch descends and draws the blank into the desired shape.

Description : Draw a neat labeled sketch of 30m chain.

Last Answer : neat labeled sketch of 30m chain

Description : Draw neat and labeled sketch of three pass packages type boiler. 

Last Answer : Each set of tubes that hot combustion flue gas travels through before making a turn within the boiler, is considered a "pass." A 3-pass fire tube boiler design consists of three sets of ... design that allows more heat transfer time to deliver the same or higher efficiency rating. 

Description : Draw a neat labeled sketch of the following: i) Aqueduct ii) Super passage iii)Level crossing

Last Answer : i) Aqueduct  ii) Super passage Iii ) Level Crossing

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

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.  

Description : Name the different types of presses used in industry. State the working principle of press. 

Last Answer : Types of presses used in industry: According to Source of power to ram: 1. Crank 2. Cam 3. Eccentric 4. Power screw 5. Rack and pinion 6. Toggle 7. ... ) hydraulic, mechanical, pneumatic and respectively working on principle of Pascal law, Mechanical Pressure and Pneumatic Pressure.

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. 

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. 

Description : Enlist any four merit and demerits of mechanical press

Last Answer : Merit :- 1. Machine structure is rational and small. 2. It is very easy to operate and it operate at a high utilization ratio. 3. Less cost of machine 4. Simple in construction. ... capacity. 3. Limited stroke length. 4. The force does not remain constant throughout the stroke.

Description : Explain blanking and piercing operation performed by press. 

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 with the ... hole and clearance is provided on the die. Fig. shows punch and die set for piercing.  

Description : Enlist the different materials used in press work for automobile application. 

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

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.