Please answer all parts 4. Consider the following manufacturing processes:•Injection molding•Rotomolding•Thermoforming•Extrusion•Blow moldingFor each of the following products (figures on next page), select the appropriate manufacturing processand indicate why this process would be appropriate:a. Plastic water bottleb. Plastic Strawc. Clamshell case for food leftoversExample:d. Large recycling bine. Invisalign orthodontic appliancef. Plastic shelf with reinforcing ribsPlastic 1-gallon milk carton: blow molding-high volume (i.e. thousands of cartons produced), only 1-sided accuracy required, hollow. a. Plastic water bottleb. Plastic Straw (three shown)C. Clamshell case for food leftoversd. Large recycling bin (blue body portion)Max 825.1 psiMn: 2.068 psi435.7 psie. Invisalign orthodontic appliancef. Plastic shelf with reinforcing ribs

a. Plastic water bottle: Blow molding - Blow molding is suitable for producing hollow objects with…

Answered: 4. Consider the following manufacturing…

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. Geometry The top part in Figure 1 is used as the battery cover in a cellphone. How would you modify the design to make it easier to manufacture? Plastic bottle caps [the kind that screw on to a bottle] illustrate one major injection molding hurdle. What is it? How can you get around it? Cellphone back Bottle cap Figure 1 Geometry Problem
(b) Which of the following plastic and composite materials processing is most suitable for the application of polymer automotive body panel? Explain how the selected manufacturing process selected can be used to produce the product shown in Figure 1.2 below • Injection Moulding • Reaction injection Moulding (RIM) • Blow Moulding • Rotational Moulding • Thermoforming • Compression Moulding (CM) • Transfer Moulding (TM) • Casting • Foam Moulding SULIT SULIT (BMCG 2323) Figure 1.2 Example of polymer automotive body panel
These are some characteristics of composite materialsChoose an optionA) They are manufactured with the intention of preserving the individual properties of each of its components.B) The matrix is the phase that is found in greater proportion and houses the dispersed phase, which is responsible for resisting mechanical stresses.C) The structural can be formed by layers or sheets forming an isotropic material.D) The alignment of the fibers in a polymeric matrix does not affect the tensile or compressive strength.
An injection-molding machine is divided into two principal components. Name them. Select one: a. Extrusion part b. Runnerand riser C. Funnel and cavity. d. Injection gate and release mechanism. e. Injection and clamping units Previous page Nex Jump to Return to: General
Q4: The well-known that glass fibers are widely used in the manufacture of composite materials: 1. What are the general drawbacks and benefits of glass fibers? 2. Classify the types of glass fibers. 3. Explain each type briefly. 4. How can recognize among each type by a designer? 5. Why there is a difference in the physical properties in comparison to each other? Q5: If the affordability of equipment does not matter for a designer, 1. What is the best technique can be used by the designer to produce missiles parts made of a fiber with high strength/weight proportion? | 2. What are the benefits and drawbacks of that technique? 3. Give examples for other engineering applications of that technique. 4. What is the best type of polymer resins can be used in this technique and why? 5. Explain this technique briefly.
What is the approach common to all material addition technologies to prepare instructions for the Rapid Prototyping system? UES PC WORDS
Working principle of 3D plastic printers
Based on the table below, which of the statements below is/are correct regarding the 3D printing process shown in the schematic? Z AXIS X AXIS YAXIS LEGEND A: Extruder B: Nozzle C: Printed part D: Hot plate E: Filament Table 15.2 Melting and Glass Transition Temperatures for Some of the More Common Polymeric Materials Material Polyethylene (low density) Polytetrafluoroethylene Polyethylene (high density) Polypropylene Nylon 6,6 Polyester (PET) Poly(vinyl chloride) Polystyrene Polycarbonate Glass Transition Temperature [°C (°F)] -110 (-165) -97 (-140) -90 (-130) -18 (0) 57 (135) 69 (155) 87 (190) 100 (212) 150 (300) Melting Temperature [°C (°F)] 115 (240) 327 (620) 137 (279) 175 (347) 265 (510) 265 (510) 212 (415) 240 (465) 265 (510) a. This process is best suited for the low volume production of tubes, bars and beams due to the nature of the extrusion process b. Manufacturing a thermoplastic HDPE hose with an extrusion nozzle heated to 175C is possible with this process □c. You can…
Based on the table below, which of the statements below is/are correct regarding the 3D printing process shown in the schematic? Table 15.2 Melting and Glass Transition Temperatures for Some of the More Common Polymeric Materials Z AXIS a. C. Ⓒ e. A X AXIS B Y AXIS LEGEND: A: Extruder B: Nozzle C: Printed part D: Hot plate E: Filament Material Polyethylene (low density) Polytetrafluoroethylene Polyethylene (high density) Polypropylene Nylon 6,6 Polyester (PET) Poly(vinyl chloride) Polystyrene Polycarbonate Glass Transition Temperature [°C (°F)] -110 (-165) -97 (-140) -90 (-130) -18 (0) 57 (135) 69 (155) 87 (190) 100 (212) 150 (300) You can produce a room-temperature non-fragile 225C oven-safe food container with at least one material from the above table using this process and a 280C nozzle b. This process is best suited for the low volume production of tubes, bars and beams due to the nature of the extrusion process Manufacturing a thermoplastic HDPE hose with an extrusion nozzle…
Based on the table below, which of the statements below is/are correct regarding the 3D printing process shown in the schematic? a.You can produce a room-temperature non-fragile 225C oven-safe food container with at least one material from the above table using this process and a 280C nozzle b.You can use this process to print plastic or brittle objects but not elastomers and rubbers c.Manufacturing a thermoplastic HDPE hose with an extrusion nozzle heated to 175C is possible with this process d.You can print thermoplastic and thermoset polymers with this process, you only need to make sure that the nozzle specs and the crosslinking conditions match the polymer requirements e.This process is best suited for the low volume production of tubes, bars and beams due to the nature of the extrusion process
Q1. Define and explain the benefits of Rapid Prototyping and discuss the term 3D Printing. Please provide a critique of the expectations being discussed in the popular media in relation to this concept and any products that have been successfully brought to market using this method of production. Q2. A local product designer and manufacturer of injection moulded precision plastic components for the EU medical device industry has recently had a number of customer requests to provide small quantity production runs of components (200 off) to his customers. He has been requested by customers may initially order 200,000 of the item however they are uncertain as to the subsequent volume of sales of the product. He has been requested by customers to consider using 3D printing to fulfil these sales orders given the large number of magazine typepublications in the news media.It is essential that the prototype components are consistent with one another and can be used in compliance with the…
Multiple-Choice Questions The lesson presented a futuristic project for printing structures on the face of the moon. What element functions as support material for the printing of these structures? A. Lunar sand sprayed with binding material B. Carbon fiber scaffoldings Inflatable structure C. D. No support material is required What is the part of 3D printing in tissue engineering? A. Printing a live tissue B. Prototyping the tissue C. Simulating the tissue function D. Printing artificial scaffoldings to grow the tissue on Which attribute of 3D printing may become an advantage over other fabrication methods for printing fully functional electronic devices? Select all correct answers. A. The ability to easily interlock different parts B. The ability to print multiple materials C. Printing accuracy D. Printing speed The case study presented "Genie" - an experimental food printer. What are the advantages of "printing" dry edible ingredients over using wet mixtures and pastes? A. Easier…

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