Manufacturing Engineering & Technology
7th Edition
ISBN: 9780133128741
Author: Serope Kalpakjian, Steven Schmid
Publisher: Prentice Hall
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Chapter 38, Problem 20QLP
Give examples of primitives of solids other than those shown in Figs. 38.4a and b.
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Chapter 38 Solutions
Manufacturing Engineering & Technology
Ch. 38 - In what ways have computers had an impact on...Ch. 38 - Describe the benefits of computer-integrated...Ch. 38 - What is a database? Why is it necessary?Ch. 38 - What is an STL file? What is it popularly used...Ch. 38 - What are the differences between the terms...Ch. 38 - Prob. 6RQCh. 38 - What do the following abbreviations mean:...Ch. 38 - Prob. 8RQCh. 38 - Describe the purposes of process planning. How...Ch. 38 - Describe the features of a routing sheet. Why is...
Ch. 38 - What are the advantages of simulation of...Ch. 38 - What is group technology? Why was it...Ch. 38 - Explain the three types of GT coding:...Ch. 38 - Describe what is meant by the term...Ch. 38 - What does classification and coding mean in...Ch. 38 - Prob. 16RQCh. 38 - Describe your observations regarding Figs. 38.1...Ch. 38 - Prob. 19QLPCh. 38 - Give examples of primitives of solids other than...Ch. 38 - Describe your understanding of the octree...Ch. 38 - Explain the logic behind the arrangements shown...Ch. 38 - Prob. 23QLPCh. 38 - What is the difference between a variant system...Ch. 38 - Referring to Fig. 38.3, explain the advantages ofa...Ch. 38 - Prob. 26QLPCh. 38 - Describe situations that would require a design...Ch. 38 - Prob. 28QLPCh. 38 - How would you describe the principle of...Ch. 38 - Review various manufactured parts illustrated in...Ch. 38 - Think of a simple part and make a decision-tree...Ch. 38 - Review the machine arrangements in Fig. 38.12...Ch. 38 - Think of a simple product and make a routing...Ch. 38 - Review Fig. 38.9, and prepare a routing sheet for...
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- Examine Notes: Attempt Six Questions Only. rever necessa , Q1] (20 Marks) Answer with true (T) or false (F), corrects the wrong phrases, and gives sho reasons for correct and corrected statements: 1- High chromium irons are basically grey cast irons alloyed with 12 to 30 % Cr. yous board-19qgo orT-1 2- The drawbacks of Al- Li alloys are their high young modulus and high density.&M 0) (0 3- Vulcanized rubbers are classified under thermoplastic polymers. 4- Diamond is a stable carbon polymorph at room temperature and atmospheric pressure. ( 5- The metallic ions of ceramic are called anions, and they are positively charged. yldgiH-S 69001(6arrow_forwardH.W 5.4 Calculate the load that will make point A move to the left by 6mm, E-228GPa. The diameters of the rods are as shown in fig. below. 2P- PA 50mm B 200mm 2P 0.9m 1.3marrow_forwardd₁ = = Two solid cylindrical road AB and BC are welded together at B and loaded as shown. Knowing that 30mm (for AB) and d₂ 50mm (for BC), find the average normal stress in each road and the total deformation of road AB and BC. E=220GPa H.W 5.3 60kN A For the previous example calculate the value of force P so that the point A will not move, and what is the total length of road AB at that force? P◄ A 125kN 125kN 0.9m 125kN 125kN 0.9m B B 1.3m 1.3marrow_forward
- Class: B Calculate the load that will make point A move to the left by 6mm, E-228GPa The cross sections of the rods are as shown in fig. below. 183 P- Solution 1.418mm 200mm 80mm 3P- 18.3 A 080mm B 200mm 3P- 0.9m إعدادات العرض 1.3m 4.061mmarrow_forwardH.W6 Determine the largest weight W that can be supported by two wires shown in Fig. P109. The stress in either wire is not to exceed 30 ksi. The cross- sectional areas of wires AB and AC are 0.4 in2 and 0.5 in2, respectively. 50° 30° Warrow_forwardFind equation of motion and natural frequency for the system shown in fig. by energy method. H.W2// For the system Fig below find 1-F.B.D 2-Eq.of motion 8wn 4-0 (5) m. Jo marrow_forward
- 2. Read the following Vernier caliper measurements. (The scales have been enlarged for easier reading.) The Vernier caliper is calibrated in metric units. (a) 0 1 2 3 4 5 سلسلسله (b) 1 2 3 4 5 6 سلسل (c) 1 23456 (d) 1 2 3 4 5 6 سلسلسarrow_forwardExplain why on the interval 0<x<1000 mm and 1000<x<2000mm, Mt is equal to positive 160 Nm, but at x= 0mm and x=1000mm Mt is equal to -160 Nm (negative value!). What is the reason for the sign change of Mt?arrow_forward20 3. 2-233 2520 Тр Gears 1079 A pair of helical gears consist of a 20 teeth pinion meshing with a 100 teeth gear. The pinion rotates at Ta 720 r.p.m. The normal pressure angle is 20° while the helix angle is 25°. The face width is 40 mm and the normal module is 4 mm. The pinion as well as gear are made of steel having ultimate strength of 600 MPa and heat treated to a surface hardness of 300 B.H.N. The service factor and factor of safety are 1.5 and 2 respectively. Assume that the velocity factor accounts for the dynamic load and calculate the power transmitting capacity of the gears. [Ans. 8.6 kWarrow_forward
- 4. A single stage helical gear reducer is to receive power from a 1440 r.p.m., 25 kW induction motor. The gear tooth profile is involute full depth with 20° normal pressure angle. The helix angle is 23°, number of teeth on pinion is 20 and the gear ratio is 3. Both the gears are made of steel with allowable beam stress of 90 MPa and hardness 250 B.H.N. (a) Design the gears for 20% overload carrying capacity from standpoint of bending strength and wear, (b) If the incremental dynamic load of 8 kN is estimated in tangential plane, what will be the safe power transmitted by the pair at the same speed?arrow_forwardDetermine the stress in each section of the bar shown in Fig. when subjected to an axial tensile load shown in Fig. The central section is 30 mm hollow square cross- section; the other portions are of circular section, their diameters being indicated What will be the total deformation of the bar? For the bar material E = 210GPa. 20mi О 30mm 30mmm 2.6 15mm 30kN 1 2 10kN - 20kN 3 -329 91mm 100mm 371mmarrow_forwardCalculate the load that will make point A move to the left by 6mm, E=228GPa. The diameters of the rods are as shown in fig. below. 2P- PA 80mm B 200mm 2P 0.9m 1.3m.arrow_forward
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