DD&T Hw 8

DD&T Hw 8 - Noah Nelson Homework: Chapt 8 : 1->7,...

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Noah Nelson Homework: Chapt 8 : 1->7, 9->11, 12, 14, 18: Due 10-25 1) Describe what a tolerance of position control is. – A tolerance of position control is a geometric tolerance that defines the location tolerance of a FOS from its true position, or theoretically exact location as defined by basic dimensions. 2) Define the term, “true position.” – True position is the theoretically exact location of a FOS as defined by basic dimensions. 3) List 2 types of implied basic relationships common with TOP. 1) Implied basic 90-degree angles. 2) Implied basic zero dimension 4) List 6 advantages of TOP. 1) Provides larger tolerance zones, cylindrical tolerance zones 57% larger then square tolerance zones. 2) Permits additional tolerances (bonus and datum shifts) 3) Prevents tolerance accumulation 4) Permits the use of functional gages. 5) Protects the part function. 6) Lowers manufacturing costs. 5) Lists four types of relationships that can be controlled with TOP.
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DD&T Hw 8 - Noah Nelson Homework: Chapt 8 : 1->7,...

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