rerceD6 =blank DimetrYedactionFn =0015 Y(Pi-CDpEv-vam velocityPP- Panch DiametrFELt YeSreching force woling force drawingforeo2. 25owerKx=0.98+o.02Rd=die corner vadus muidie shape facArin extrustion -LentntthicknesYA=Stess) Dircton 1The data given in Table Q1(a) corresponds to a cold heading operation performed to makesquare head on a steel bolt. Figure Q1(a) shows the dimensions of the bolt to be produced.Strength coefficient for the steelTable Q1(a)Strain hardening exponent550 MPaCoefficient of friction at the die-work interface-0.21Thickness of wire stock out of which the bolt is made0.16Final length of the bolt.10 mm120 mmCompute:(i) The length of stock must project out of the die in order to provide sufficient volume ofmaterial 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 head5 mm10 mm15 mmFigure Q1(a)

Here A block of mass m is placed on a horizontal plane with static friction coefficient (μs=0.5). 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)

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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