EBK MANUFACTURING PROCESSES FOR ENGINEE
6th Edition
ISBN: 9780134425115
Author: Schmid
Publisher: YUZU
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Chapter 5, Problem 5.67P
To determine
The graph between clamping force as the function of diameter.
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Ex.1// A disk 40 cm in diameter and 5 cm thick is to be cast of pure aluminum
in an open mold casting operation. The melting temperature of aluminum = 660°C, and
the pouring temperature will be 800°C. Assume that the amount of aluminum heated
will be 5% more than what is needed to fill the mold cavity. Compute the amount of
heat that must be added to the metal to heat it to the pouring temperature, starting from
a room temperature of 25°C. The heat of fusion of aluminum = 389.3 J/g... Assume the
specific heat has the same value for solid and molten aluminum
6- A pure copper is to be heated for casting a large plate in an open mold. The plate has dimensions: length = 50cm, width = 25cm, and thickness = 7cm. Compute the amount of heat that must be added to the metal to heat it to a temperature of 1176°C for pouring. Assume that the amount of metal heated will be 10% more than what is needed to fill the mold cavity. Properties of the metal are: density = 8.94 g/cm3, melting point = 1082°C, specific heat of the metal = 410 J /kg C° in the solid state and 376 J/Kg C° in the liquid state, and heat of fusion = 186 J/g.
a riser in the shape of a sphere is to be designed for a sand casting mold. the casting is a rectangular plate, with length 200mm, width 100mm, and thickness 18mm. if the total solidification time of the casting itself is known to be 3.5 mm, determine the diameter of the riser so that it will take 25% longer for the riser to solidify. assume a value of 2 for ‘n’ m( the exponent in chvorinov’s rule). know the volume and surface area of a sphere.
Chapter 5 Solutions
EBK MANUFACTURING PROCESSES FOR ENGINEE
Ch. 5 - Prob. 5.1QCh. 5 - Prob. 5.2QCh. 5 - Prob. 5.3QCh. 5 - Prob. 5.4QCh. 5 - Prob. 5.5QCh. 5 - Prob. 5.6QCh. 5 - Prob. 5.7QCh. 5 - Prob. 5.8QCh. 5 - Prob. 5.9QCh. 5 - Prob. 5.10Q
Ch. 5 - Prob. 5.11QCh. 5 - Prob. 5.12QCh. 5 - Prob. 5.13QCh. 5 - Prob. 5.14QCh. 5 - Prob. 5.15QCh. 5 - Prob. 5.16QCh. 5 - Prob. 5.17QCh. 5 - Prob. 5.18QCh. 5 - Prob. 5.19QCh. 5 - Prob. 5.20QCh. 5 - Prob. 5.21QCh. 5 - Prob. 5.22QCh. 5 - Prob. 5.23QCh. 5 - Prob. 5.24QCh. 5 - Prob. 5.25QCh. 5 - Prob. 5.26QCh. 5 - Prob. 5.27QCh. 5 - Prob. 5.28QCh. 5 - Prob. 5.29QCh. 5 - Prob. 5.30QCh. 5 - Prob. 5.31QCh. 5 - Prob. 5.32QCh. 5 - Prob. 5.33QCh. 5 - Prob. 5.34QCh. 5 - Prob. 5.35QCh. 5 - Prob. 5.36QCh. 5 - Prob. 5.37QCh. 5 - Prob. 5.38QCh. 5 - Prob. 5.39QCh. 5 - Prob. 5.40QCh. 5 - Prob. 5.41QCh. 5 - Prob. 5.42QCh. 5 - Prob. 5.43QCh. 5 - Prob. 5.44QCh. 5 - Prob. 5.45QCh. 5 - Prob. 5.46QCh. 5 - Prob. 5.47QCh. 5 - Prob. 5.48QCh. 5 - Prob. 5.49QCh. 5 - Prob. 5.50QCh. 5 - Prob. 5.51QCh. 5 - Prob. 5.52QCh. 5 - Prob. 5.53QCh. 5 - Prob. 5.54QCh. 5 - Prob. 5.55QCh. 5 - Prob. 5.56QCh. 5 - Prob. 5.57QCh. 5 - Prob. 5.58QCh. 5 - Prob. 5.59QCh. 5 - Prob. 5.60QCh. 5 - Prob. 5.61PCh. 5 - Prob. 5.62PCh. 5 - Prob. 5.63PCh. 5 - Prob. 5.64PCh. 5 - Prob. 5.65PCh. 5 - Prob. 5.66PCh. 5 - Prob. 5.67PCh. 5 - Prob. 5.68PCh. 5 - Prob. 5.69PCh. 5 - Prob. 5.70PCh. 5 - Prob. 5.71PCh. 5 - Prob. 5.72PCh. 5 - Prob. 5.73PCh. 5 - Prob. 5.74PCh. 5 - Prob. 5.75PCh. 5 - Prob. 5.76PCh. 5 - Prob. 5.77PCh. 5 - Prob. 5.78PCh. 5 - Prob. 5.79PCh. 5 - Prob. 5.80PCh. 5 - Prob. 5.81PCh. 5 - Prob. 5.82PCh. 5 - Prob. 5.83PCh. 5 - Prob. 5.84PCh. 5 - Prob. 5.85PCh. 5 - Prob. 5.86PCh. 5 - Prob. 5.87PCh. 5 - Prob. 5.88PCh. 5 - Prob. 5.89PCh. 5 - Prob. 5.90PCh. 5 - Prob. 5.91PCh. 5 - Prob. 5.92PCh. 5 - Prob. 5.93DCh. 5 - Prob. 5.94DCh. 5 - Prob. 5.95DCh. 5 - Prob. 5.96DCh. 5 - Prob. 5.97DCh. 5 - Prob. 5.98DCh. 5 - Prob. 5.99DCh. 5 - Prob. 5.100DCh. 5 - Prob. 5.101DCh. 5 - Prob. 5.102DCh. 5 - Prob. 5.103DCh. 5 - Prob. 5.104DCh. 5 - Prob. 5.105DCh. 5 - Prob. 5.106DCh. 5 - Prob. 5.107DCh. 5 - Prob. 5.108DCh. 5 - Prob. 5.109DCh. 5 - Prob. 5.110DCh. 5 - Prob. 5.111DCh. 5 - Prob. 5.112DCh. 5 - Prob. 5.113DCh. 5 - Prob. 5.114DCh. 5 - Prob. 5.115D
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- A vertical true centrifugal casting process is used to make tube sections with length = 10.0 in and outside diameter = 6.0 in. The inside diameter of the tube 5.5 in at the top and 5.0 in at the bottom. At what speed must the tube be rotated during the operation in order to achieve these specifications?arrow_forwardA mould having dimensions 100 mm x 90 mm x 20 mm is filled with molten metal through a gate with height h and CS area A, the mould filling time is t1. The height is now quadrupled and the crosssectional area is halved. The corresponding filling time is t2 . What is the ratio t2/t1 ?arrow_forwardA riser in the shape of a sphere is to be designed for a sand casting mould at Simon Castings. The casting is a rectangular plate, with length = 400 mm, width = 250 mm, and thickness = 15 mm. If the total solidification time of the casting itself is known to be 7 min, determine the diameter of the riser so that it will take 30% longer for the riser to solidify.arrow_forward
- Describe the die casting process in detail. Use neat sketches for clarity. Differentiate clearly between hot-chamber die casting and cold-chamber die casting processes. What is the difference between true centrifugal and semi-centrifugal casting? Describe the centrifugal casting process in detail. Use neat sketches to elaborate your description.arrow_forwardisufficient amount of pure copper is to be heated for casting a large plate in an open mold. The plate has dimensions: length = 20 in, width 10 in, and thickness 3 in. Compute the amount of heat that must be added to the metal to heat it to a temperature of 2150°F for pouring. Assume that the amount of metal heated will be 10% more than what is needed to fill the mold cavity. Properties of the metal are: density = 0.324 lbm/in3, melting point = 1981°F, specific heat of the metal = 0.093 Btu/lbm-F in the solid state and 0.090 Btu/lbm-F in the liquid state, and heat of fusion = 80 Btu/lbmarrow_forwardExplain the three stages in the casting process and its applications.arrow_forward
- Determine the time required to fill the mold cavity along with the riser as shown in the following figure. A slab of 1500 mm x 750 mm x 500 mm is required to be cast using a sand casting process. It was observed previously that the total solidification time (T) for this casting = 1.6 min. Find out the cylindrical riser dimensions (diameter to height ratio = 1) for a solidification time T = 5 min.arrow_forwardIn sand casting of hollow part of lead, a cylindrical core of diameter 120 mm and height 180 mm is placed inside the mould cavity. The densities of core material and lead are 1600 kg/m3 and 11300 kg/m³ respectively. The net force (in N) that tends to lift he core during pouring of molten metal will bearrow_forwardYou were required to make 1000 simple small parts in aluminum. Would using a permanent mold be less expensive per part then preparing 1000 sand molds explain?arrow_forward
- Write down the Experiment “Introduction to Casting Processes and study various stages of casting processes. Give examples of casting products.arrow_forwardcompute the diameter of the sphere (mm) that will freeze in the same time in same casting process with a 62.5mm x 150mm x 225mm plate. Assume that constant mold for this casting is 55 mm^2/sarrow_forwardEX.3//A cylindrical riser must be designed for a sand-casting mold. The casting itself is a steel rectangular plate with dimensions 7.5 cm x 12.5 cm x 2.0 cm. Previous observations have indicated that the total solidification time (TTs) for this casting =1.6 min. The cylinder for the riser will have a diameter-to-height ratio=1.0. Determine the dimensions of the riser so that its TTS = 2.0 min.arrow_forward
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