3.5 Imagine that you are instructed to find suitable material types and processing techniques tomanufacture a gaming mouse and a bearing as illustrated below. Moreover, a limited time,stainless steel (for bearing) and PLA material (for mouse) are provided for further clarification.One student states that the powder metallurgy method is the only solution to produce bothproducts.a. Do you agree with the student's opinion? Nob. If "Yes" justify your answer. If the answer is "No", justify your answer and state the mostsuitable manufacturing processes for both products. Question 33.1 Briefly explain the Casting and Molding processes and define their basic requirements.3.2 If a manufacturer was asked to produce a set of plastic bottles, which method would you suggest?Justify your answer.3.3 What is the Forging process? Explain the process including two forged products.3.4 Briefly explain the heat treatment processing techniques using a phase diagram.

Given question is related to manufacturing engineering. [ Note : According to Bartleby's…

Answered: 3.5 Imagine that you are instructed to…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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2. State one casting defect associated with excess moisture content in the mould. 3. State two reasons why moisture is required in moulding sand 4. Knust steel foundry shop is to formulate a moulding sand containing sand, clay and water only, in the sand to clay fraction of and respectively. If the sand obtained is dry but the clay is moist with moisture content of 15%, how much water should be added to formulate 850g moulding sand?
11. The specified dimension 225.00 mm for a certain injection molded part made of ABS. What is the corresponding dimension to which the mold cavity should be machined? Your answer is: . 12. The description of the repeatability of an experiment is called . 13. Which of the following bulk deformation processes are involved in the production of nails for lumber construction: a. bar and wire drawing c. impression die forging, e. None of the above Your answer is: . b. extrusion d. rolling 14. In blanking operation, the part has larger dimension the scrap b. False a. True c. Not enough information to decide Your answer is: . 15. Most sheet metalworking operations are performed as which one of the following: a. cold working c. warm working b. hot working d. All of the above e. None of the above Your answer is: .........
2) With neat sketch explain the working of Hot chamber die casting
A flat plate is to be cast in an open mold whose bottom has a square shape of 12.5 cm by 12.5 cm. The mold is 7.0 cm deep. A total of 350 cm³ of molten aluminum is poured into the mold. Solidification shrinkage is known to be 6.25%, which is a volumetric contraction, not a linear contraction. Table 7.1 lists the linear shrinkage due to thermal contraction after solidification. If the availability of molten metal in the mold allows the square shape of the cast plate to maintain its square dimension until solidification is completed, determine the final dimensions (width and height) of the plate.
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.
d) A common process for the assembly of compound cylinders is thermal shrink- fitting. In your own words, Describe briefly how this procedure may be performed. Explain with reference to solid mechanics concepts, how a thermal shrink-fit can generate forces which hold the cylinders together and enable higher pressure bearing capability (in comparison to a single cylinder). Considering the concepts/principles explained above, describe more generally an alternative method for achieving such improved performance and describe advantages/disadvantages, if any, over a thermal shrink-fitting procedure. (200 - 300 words).
Consider the yellow metal mounting clip shown in Figure 3. Your job shop has been contracted to make 1,000 pieces this year, with possibility of making 2,000 more each year in the future. Consider the process options below, which option is the best? a) using investment casting, cast each clip paint each clip b) using a shearing press, pierce the hole, the slots and the 'gap/break' of each clip from a piece of flat sheet metal using a shearing press, blank each clip from the pierced piece of flat sheet metal deburr each clip as necessary using a press brake, make two bends in each clip acid-pickle wash each clip paint each clip c) Using a sand mold, casting each clip clean each clip paint each clip d) using injection molding, mold each clip paint each clip
Q1.Write down your answer briefly. i) Why is the permeability of shell mold higher as compared to sand mold? ii)What type of die casting process is mostly preferable for higher production rate? Justify your answer. iii) Bauschinger effect can be reduced by the stress aging process. Justify your answer. iv) Why is the sand for foundry practice called green sand? Can it be used for the core making process? v) What is moldability? How do you determine moldability of molding sand? vi) Which casting process is usually preferred for producing long tubular objects? Is it possible to manufacture a solid and parallelepiped object having different dimensions in a centrifugal casting process? Justify your answer. vii) What is directional solidification? How does a riser promote directional solidification?
4. Knust steel foundry shop is to formulate a moulding sand containing sand, clay and water only, in the sand to clay fraction of - and - respectively. If the sand obtained is dry but the 8 clay is moist with moisture content of 15%, how much water should be added to formulate 850g moulding sand?
Problem 1 Suppose we want to cast a magnesium bar 20x20x45 mm³. We are to use a mid gating (exactly at the parting line) system with two runners and multiple ingates (no bends in runner), a top riser of 1:1.2 (D:H) ratio, and the bar lying down. The pouring cup to be used has a height of 10 mm. What would be the riser dimensions for this casting? Use the JB Caine Method (a, b, c = 0.10, 0.06, 1.08). If the choke area is 20 mm?, how long would the pouring time be?
Give complete solution, include diagram if need.
Problem 7 May you please explain each steps. Thank you

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