Degarmo's Materials And Processes In Manufacturing
13th Edition
ISBN: 9781119492825
Author: Black, J. Temple, Kohser, Ronald A., Author.
Publisher: Wiley,
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Chapter 16, Problem 25RQ
To determine
The conditions of a double action pressing be more attractive than with a single moving punch.
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Chapter 16 Solutions
Degarmo's Materials And Processes In Manufacturing
Ch. 16 - What type of product would be considered to be a...Ch. 16 - What were some of the earliest powder metallurgy...Ch. 16 - Prob. 3RQCh. 16 - Why might the term particulate processing be a...Ch. 16 - What are some of the primary market areas for P/M...Ch. 16 - Prob. 6RQCh. 16 - What are the four basic steps that are usually...Ch. 16 - Prob. 8RQCh. 16 - Prob. 9RQCh. 16 - Prob. 10RQ
Ch. 16 - Which of the powder manufacturing processes are...Ch. 16 - Why might the powdered material be heat�treated...Ch. 16 - Prob. 13RQCh. 16 - Prob. 14RQCh. 16 - Prob. 15RQCh. 16 - Prob. 16RQCh. 16 - Prob. 17RQCh. 16 - Prob. 18RQCh. 16 - Prob. 19RQCh. 16 - Prob. 20RQCh. 16 - Prob. 21RQCh. 16 - What is the benefit of a removable die set in a...Ch. 16 - What limits the cross�sectional area of most P/M...Ch. 16 - Prob. 24RQCh. 16 - Prob. 25RQCh. 16 - Prob. 26RQCh. 16 - Prob. 27RQCh. 16 - Prob. 28RQCh. 16 - Prob. 29RQCh. 16 - Prob. 30RQCh. 16 - Prob. 31RQCh. 16 - Prob. 32RQCh. 16 - Prob. 33RQCh. 16 - Prob. 34RQCh. 16 - Prob. 35RQCh. 16 - What types of atmospheres are used during...Ch. 16 - Prob. 37RQCh. 16 - What is the purpose of the sinter brazing process?Ch. 16 - Prob. 39RQCh. 16 - Prob. 40RQCh. 16 - Prob. 41RQCh. 16 - Prob. 42RQCh. 16 - Prob. 43RQCh. 16 - What is canning and decanning, and how do these...Ch. 16 - Prob. 45RQCh. 16 - Prob. 46RQCh. 16 - Prob. 47RQCh. 16 - Prob. 48RQCh. 16 - Prob. 49RQCh. 16 - Prob. 50RQCh. 16 - How is the metal powder used in metal injection...Ch. 16 - Prob. 52RQCh. 16 - Prob. 53RQCh. 16 - Prob. 54RQCh. 16 - Prob. 55RQCh. 16 - Prob. 56RQCh. 16 - Prob. 57RQCh. 16 - Prob. 58RQCh. 16 - Prob. 59RQCh. 16 - Prob. 60RQCh. 16 - Prob. 61RQCh. 16 - Prob. 62RQCh. 16 - Prob. 63RQCh. 16 - Prob. 64RQCh. 16 - Prob. 65RQCh. 16 - Prob. 66RQCh. 16 - Prob. 67RQCh. 16 - Give an example of a product where two or more...Ch. 16 - What are the primary assets or advantages of the...Ch. 16 - Prob. 70RQCh. 16 - Prob. 71RQCh. 16 - Prob. 72RQCh. 16 - Prob. 73RQCh. 16 - Prob. 74RQCh. 16 - Prob. 75RQCh. 16 - Prob. 76RQCh. 16 - Prob. 1PCh. 16 - Prob. 2PCh. 16 - Prob. 3PCh. 16 - Prob. 4PCh. 16 - Prob. 5PCh. 16 - Particulate materials can be made by a variety of...Ch. 16 - Prob. 7PCh. 16 - Briefly discuss the properties and characteristics...Ch. 16 - Based on the size, shape, and reasonable precision...Ch. 16 - Prob. 1.8CSCh. 16 - Prob. 1.9CSCh. 16 - Prob. 1.10CSCh. 16 - Prob. 2.1CSCh. 16 - Prob. 2.3CS
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- The part shown in Figure is to be pressed from fine copper powders using a compaction pressure of 1000 MPa. Dimensions are milimetres. Determine a) the required press tonnage to perform this operation b) the final weight of the part if the porosity is 15%. Assume shrinkage during sintering can be neglected. (the desity of copper =8,97g/cm³ ) 65 30 25 12 20arrow_forwardWhy do parts made by blown film extrusion usually have lower ductility and higher yield stress than injection moulded parts from the same polymer?arrow_forwardManufacturingarrow_forward
- Q. Discuss the following sentences: 1- A wide particle size distribution is preferred for dry pressing. 2- Products with high dimension accuracy are obtained in hot pressed technique.arrow_forwarda.State and describe the termi. co-extrusion b. Differentiate between single and twin-screw extruders by describing three distinguishing features in each. c. Dealinate three advantages in the application of extrusion cooking.arrow_forwardIf your aim is to obtain enhanced densification rates and accelerated grain growth during sintering, which sintering method would you prefer and why?What are the stages of this sintering method?arrow_forward
- A thin steel disk of an oil separator of 100mm outside diameter is shrunk onto a solid steel shaft of 20mm diameter. The system is to be designed to make sure the disc does not become loose at speeds lower than 100000rev/min. Determine the shrinkage allowance required in order to avoid separation disc and shaft, at a speed of 100000rev/min. For the material assume a Young's Modulus, Poisson Ratio and density of 210GPa, 0.3 and 7850kg/m³ respectively.arrow_forward12) Assuming injection molding pressures of 10kpsi, estimate the die clamping force required for injection molding 10 identical 1.5-in.-diameter disks in one die. Assume runner area is 5.0 in?. Discuss the affects of reorienting the disks.arrow_forwardP4 Describe the properties and applications of composite products manufactured using manual and automated layup, filament winding, pultrusion and, resin transfer moulding processes.arrow_forward
- What were the main needs to develop colloidal technique for powder processing, explain your arguments clearly?arrow_forwardGKN Sinter Metals Company pressed iron powders using a compaction pressure of 600 MPa to produced a cylindrical bearing which is 70 cm long and has internal and external diameters of 8 cm and 16 cm, respectively. Determine (a) the most appropriate pressing direction, (b) the required press tonnage to perform this operation, and (c) the final weight of the part if the porosity is 12%, given that the density of iron, ρ = 7.87 g/cm3. Assume shrinkage during sintering can be neglectedarrow_forwardCalculate mould dimension for sprue runner and in-gate, the material using fluorothermoplastic and using injection molding. Question: 1. explain the steps for making a mold 2. If possible, use a simulation of the position where the defect will occur 3. Calculate to make mold male and female, the shape is near net shape product and determine material for dies, the liquid materials is 167°C Guidelines Sprue Gate Guidelines L 50% W1 A1 2-3° W1 20- 100% of W2 R1 > 1.5 mm T2 75-100% T1 (part thickness) D1 125-400% T1 (part thickness) D1 100-300% T1 (part thickness) Part Thickness 1.6 mm R > 1 mm (0.040") % Shrinkage Parallel to Flow 4.0-4.5 % Shrinkage Perpendicular to Flow 4.3-4.8 T3 100-200 % (part thickness)arrow_forward
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