Q1- What are the main advantages of using the bulk deformation processes? Q2- Explain when the engineering can use hot, cold and warm working during the manufacturing processes? 13- Classify the rolling processes according to the part geometry, and give your opinion about the best method can be used to produce a thick walled tubes? Q4- What are the main features of shape rolling? Q5- What are the main equipment that used in the forging processes? Q6- Explain the main advantages of using the flash in the close die? Q7- What are the types of the forging machine?

Q1- What are the main advantages of using the bulk deformation processes? Q2- Explain when the engineering can use hot, cold and warm working during the manufacturing processes? 13- Classify the rolling processes according to the part geometry, and give your opinion about the best method can be used to produce a thick walled tubes? Q4- What are the main features of shape rolling? Q5- What are the main equipment that used in the forging processes? Q6- Explain the main advantages of using the flash in the close die? Q7- What are the types of the forging machine?

Welding: Principles and Applications (MindTap Course List)

8th Edition

ISBN:9781305494695

Author:Larry Jeffus

Publisher:Larry Jeffus

Chapter23: Fabricating Techniques And Practices

Section: Chapter Questions

Problem 11R: What is the difference between plate and sheet material?

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3XPL@!N THE PROCESS @ND PROVIDE EXAMPLES FORMING OPERATIONS 1. Forging is mechanically working or deforming a single piece of a usually hot metal; this may be accomplished by the application of successive blows or by continuous squeezing. 2. Rolling, the most widely used deformation process, consists of passing a piece of metal between two rolls; a reduction in thickness results from compressive stresses exerted by the rolls. 3. Extrusion, a bar of metal is forced through a die orifice by a compressive force that is applied to a ram; the extruded piece that emerges has the desired shape and a reduced cross-sectional area. 4. Drawing is the pulling of a metal piece through a die having a tapered bore by means of a tensile force that is applied on the exit side.
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Manufacturing
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38 - A blanking operation is to be performed on 8.0 mm thick soft cold rolled steel. The part is circular with diameter% D 90.0 mm. Determine the appropriate punch size for this operation (Punch diameter = Db - 2c) %3D Clearance allowance value for Metal Group 1100S and 5052S aluminum alloys, all tempers Ac 0.045 2024ST and 6061 ST aluminum 0.060 alloys; brass, all tempers; soft cold- rolled steel, soft stainless steel Cold-rolled steel, half hard; stainless steel, half-hard and full- hard 0.075 a) 98,20 b) 89.04 88,80 82.70 e) 74,76
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View Help RCM -EEE A Paragraph ¶ AaBbCcDc AaBbCcDc AaBbC AaBbcct AaB AaBbCct AaBbCCDA AaB 1 Normal 1 No Spac... Heading 1 Heading 2 Title Subtitle Subtle Em.... Emp Styles A cup-drawing operation is performed in which the cup's inside diameter = 80 mm and its height = 50 mm. Stock thickness = 3.0 mm, and blank diameter = 150 mm. Punch and die radii = 4 mm. Tensile strength = 400 MPa and yield strength = 180 MPa for this metal. Determine (a) drawing ratio (b) reduction, (c) drawing force, and (d) blankholder force? (Ctrl) I=
Name the four basic bulk deformation processes.
QUESTION 3 Extrusion and drawing have numerous application in manufacturing continuous as well as discrete products from a wide variety of metals and alloys. There are three types of extrusion. Please describe and draw the schematic illustration to represent each of them. Question 4 Selection of die in forging process is very important in order to control the quality of the product. List four general requirements for die material.
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Sheet Forming Processes; V-Bending of Sheets is more expensive than Edge Bending. (T or F)In Metal Forming Processes there are 2 Basic Categories; Bulk Deformation Sheet Metalworking (T or F)In Sheet Metalworking there are 3 types of processes used; Bending Drawing Cutting (T or F)An Advantage of Hot Rolling is the process produces a final product with Small Tolerances (T or F)Direct Extrusion produces Hollow or Semi-Hollow types of Cross-Sections. (T or F)Designing a metal sheet product in the elastic zone of the Stress-Strain curve gives a longer life cycle for the products service (T or F)In the Bulk Deformation, Drawing Process, there is Tension Residual Strain. (T or F)Hot Rolling metal prevents residual stresses from building up in the made product (T or F)
In the 3% error, why is the design acceptable?