e data given in Table Q1(a) corresponds to a cold heading operation performed to make uare head on a steel bolt. Figure Q1(a) shows the dimensions of the bolt to be produced. Table Q1(a) 550 MPa crength coefficient for the steel 0.21 train hardening exponent 0.16 -oefficient of friction at the die-work interface- 10 mm Thickness of wire stock out of which the bolt is made 120 mm Final length of the bolt. Compute: i) The length of stock must project out of the die in order to provide sufficient volume material for this upsetting operation. (ii) The total number of bolts that can be made out of 6 m rod (wire stock) (iii) The maximum force that the punch must apply to form the head 5 mm 10 mm 15 mm Figure Q1(a)
e data given in Table Q1(a) corresponds to a cold heading operation performed to make uare head on a steel bolt. Figure Q1(a) shows the dimensions of the bolt to be produced. Table Q1(a) 550 MPa crength coefficient for the steel 0.21 train hardening exponent 0.16 -oefficient of friction at the die-work interface- 10 mm Thickness of wire stock out of which the bolt is made 120 mm Final length of the bolt. Compute: i) The length of stock must project out of the die in order to provide sufficient volume material for this upsetting operation. (ii) The total number of bolts that can be made out of 6 m rod (wire stock) (iii) The maximum force that the punch must apply to form the head 5 mm 10 mm 15 mm Figure Q1(a)
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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