FIGURE P10.22 Casting geometry for Problem 10.22 (units are in inches). 2.5 radius 3.0 +2.5+ TH 10.22 (USCS units) A cylindrical riser with diame- ter-to-length ratio = 1.0 is to be designed for a sand casting mold. The casting geometry is illustrated in Figure P10.22, in which the units are inches. If the mold constant in Chvorinov's rule = 19.5 min/in², determine the dimensions of the riser so that the riser will take 0.5 min longer to freeze than the casting itself. -1.5 15.0 3.0 -6.0 5.0 1.0 -1.5
FIGURE P10.22 Casting geometry for Problem 10.22 (units are in inches). 2.5 radius 3.0 +2.5+ TH 10.22 (USCS units) A cylindrical riser with diame- ter-to-length ratio = 1.0 is to be designed for a sand casting mold. The casting geometry is illustrated in Figure P10.22, in which the units are inches. If the mold constant in Chvorinov's rule = 19.5 min/in², determine the dimensions of the riser so that the riser will take 0.5 min longer to freeze than the casting itself. -1.5 15.0 3.0 -6.0 5.0 1.0 -1.5
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Transcribed Image Text:**Problem 10.22 (USCS Units)**
A cylindrical riser with a diameter-to-length ratio of 1.0 is to be designed for a sand casting mold. The casting geometry is illustrated in Figure P10.22, in which the units are inches. If the mold constant in Chvorinov’s rule is 19.5 min/in², determine the dimensions of the riser so that the riser will take 0.5 min longer to freeze than the casting itself.
**Figure P10.22: Casting Geometry**
This figure depicts the casting geometry for Problem 10.22, with all dimensions provided in inches.
- The main body of the casting is a rectangular shape measuring 15.0 inches in length and 5.0 inches in width.
- There is a cylindrical riser on one side, with a radius of 2.5 inches and a height of 3.0 inches.
- The cylinder top is 1.5 inches in diameter and 2.5 inches from the nearest edge of the rectangle.
- The rectangular hole within the casting has dimensions 6.0 inches by 3.0 inches.
- The thickness of the base is 1.0 inch.
These dimensions will be used to solve for the riser dimensions using the specified freezing time parameters.
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