Manufacturing Engineering & Technology
7th Edition
ISBN: 9780133128741
Author: Serope Kalpakjian, Steven Schmid
Publisher: Prentice Hall
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Chapter 36, Problem 19QLP
To determine
What is the consequence of setting lower and upperspecifications closer to the peak of the curve in Fig. 36.4?
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Chapter 36 Solutions
Manufacturing Engineering & Technology
Ch. 36 - Define the terms sample size, random sampling,...Ch. 36 - What are chance variations?Ch. 36 - Prob. 3RQCh. 36 - Define standard deviation. Why is it important...Ch. 36 - Describe what is meant by statistical process...Ch. 36 - When is a process out of control? Explain.Ch. 36 - Explain why control charts are developed. How...Ch. 36 - What is a loss function? How is it used?Ch. 36 - What do control limits indicate?Ch. 36 - Prob. 10RQ
Ch. 36 - What is acceptance sampling? Why was it developed?Ch. 36 - Prob. 12RQCh. 36 - What is meant by six-sigma quality?Ch. 36 - Prob. 14RQCh. 36 - Prob. 15RQCh. 36 - Give three methods of nondestructive testing...Ch. 36 - Explain why major efforts are continually being...Ch. 36 - Prob. 18QLPCh. 36 - Prob. 19QLPCh. 36 - Prob. 20QLPCh. 36 - Prob. 21QLPCh. 36 - Prob. 22QLPCh. 36 - What are the advantages of automated...Ch. 36 - Prob. 24QLPCh. 36 - Prob. 25QLPCh. 36 - Explain why GO and NOT GO gages (see Section...Ch. 36 - Prob. 27QLPCh. 36 - Prob. 28QLPCh. 36 - Prob. 29QLPCh. 36 - Prob. 31QLPCh. 36 - Beverage-can manufacturers try to achieve failure...Ch. 36 - Assume that in Example 36.3 the number of samples...Ch. 36 - Calculate the control limits for averages and...Ch. 36 - Calculate the control limits for (a) number of...Ch. 36 - In an inspection with a sample size of 12 and a...Ch. 36 - Prob. 37QTPCh. 36 - The average of averages of a number of samples of...Ch. 36 - Prob. 39QTPCh. 36 - Prob. 40QTPCh. 36 - Prob. 41SDPCh. 36 - Describe your thought on whether products should...Ch. 36 - Prob. 44SDPCh. 36 - Prob. 45SDPCh. 36 - Prob. 46SDPCh. 36 - Prob. 47SDPCh. 36 - Prob. 48SDPCh. 36 - Many components of products have a minimal effect...
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- The symmetrical cup workpiece shown in Fig. P. 6.10.2 is to be made from cold rolled steel 0.8 mm thick. Make the necessary calculations for designing the drawing die for this part. 50 0.8 50 1.6Rarrow_forward2) Drawing: A round rod of annealed 302 stainless steel (K = 1300 MPa and n = 0.3) is being drawn from a diameter of 15 mm to a diameter of 12 mm at a speed 0.25 m/s, using a semidie angle of 8º. a. Calculate the percentage reduction, the applied force due to ideal deformation, friction, and inhomogeneous deformation. Assume coefficient of friction of 0.1. b. Calculate the required power, process efficiency, and the die pressure at the exit.arrow_forwardA cylindrical workpiece of 100mm diameter and 150mm in height (Fig. 1) is upset (open die forged) at 1200° C to 100mm height disk (Fig. 2). Material of the workpiece is low carbon steel. A graphite lubricant reduces the friction to u=0.25. A press with 2-m/sec speeds is used to make this part. At 1200° C the material has the values for its C=48MPA and m=0.08 parameters Fig. 1 Height=150mm, Diameter=100mm Fig. 2 Height = 100mm, Diamete = ? mm (a) (b) (c) Determine the final diameter of the disk (see Fig. 2) Determine the true strain rate at the end of process. Calculate the flow stress at the end of the stroke.arrow_forward
- 15 A cylindrical workpiece is forged in an open die. The workpiece is 60 mm in diameter and 30 mm high. The height after forging is 15 mm. The coefficient of friction at the die-work interface is 0.20. The flow curve equation for the workpiece is defined as, 0 = 800 80.2 where o is in MPa. The forging force (in MN) at the end of the stroke is closest toarrow_forwardcan you please provide a detailed solution on paper ? Needs Complete typed solution with 100 % accuracy.arrow_forward7. A strip of annealed low-carbon steel (K = 528 MPa, n = 0.25) is rolled from its initial dimensions (210 mm wide and 13 mm thick) to a thickness of 7 mm. The rollers have a radius of 250 mm, the roller rotates at 200 rpm, and u = 0.1. Compare this high frictional force and power with the low frictional (u = 0) forces and power. a. Estimate the roll force and power required for this process.arrow_forward
- Detailed solutions please. Thank Youarrow_forwardSubmit correct and complete solutions. Provide step-by-step detailed explanations.arrow_forward3) Forging: A cylindrical specimen made of annealed 4135 steel (K = 1015 MPa, n = 0.17) has a diameter of 150 mm, and is 100 mm high. It is upset between dies to a height of 50 mm at room temperature. Calculate the work done for 2 cases: a) Ideal (frictionless) b) Friction, where the coefficient of friction is 0.2. Set up on paper and solve using software. Be careful with units.arrow_forward
- In a sheet metal forming press, the shape to be formed is hemispherical cup of radius 15 cm in 2mm thick mild steel sheet. The force required to deform sheet is 8 kN. The forming hammer should approach job from a distance of 30 cm. The production rate required is 240 components/hr. Calculate and suggest the following specifications of the various hydraulic components used: a. Hydraulic cylinder (bore & length); b. Pump pressure and flow rate; c. Electric motor HP considering 75% pump efficiency; d. Reservoir size; and e. Size of pump inlet and discharge tubing.arrow_forwardIn your own words, state and justify your assumptions and comment on your working.Marks will be assigned for the quality of the presentation of the working and od the comments.arrow_forwardA 10 mm thick plate is rolled to 7 mm thick in a rolling mill using 1000 mm diameter rigid rolls. The neutral point is located at an angle of 0.3 times the bite angle from the exit. What will be the thickness of the plate at the neutral point.arrow_forward
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