Q1/ A cuber of the type of open-end đies arranged in a ring, has 66 dies, 32x32x150 mm. a-Calculate the time required for a given particle of hay to pass through the die when the feed rate is 5.5 Mg\h¸. Assume an individual-cube density of 800 kg\m. b-If the cube length averages $5 mm, how much energy per cube is requited for the actual cubing operation, if the cubing energy required was 12 kw.h\Mo,

Q1/ A cuber of the type of open-end đies arranged in a ring, has 66 dies, 32x32x150 mm. a-Calculate the time required for a given particle of hay to pass through the die when the feed rate is 5.5 Mg\h¸. Assume an individual-cube density of 800 kg\m. b-If the cube length averages $5 mm, how much energy per cube is requited for the actual cubing operation, if the cubing energy required was 12 kw.h\Mo,

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

See similar textbooks

Similar questions

1. The friction in direct extrusion is ________ Indirect extrusion. a) Greater than. b) Equal to. c) Less than.2. The Temperature in hot forming process is ____. a) (0 to 0.4) Tm. b) (0.5 to 0.75) Tm. c) 0.9 Tm. d) 0.4 Tm. e) 0.8 Tm. f) (0.3 to 0.5) Tm. Where Tm is the melting temperature of the work piece.3. Maximum draft in rolling depends on _______. a) Coefficient of friction and roll radius. b) Thickness of plate. c) Smoothness of roll Surface. d) Roll rotational speed.e) Width of the plate. f) Length of the plate.4. In deep drawing process, the drawing ratio (DR) has a higher limit (value) of:- a) 6. b) 1. c) 4. d) 5. e) 7. f) 2. g) Zero.5. Spring Back is a phenomena usually associated with which of the following processes:-a) Extrusion. b) Forging. c) Bending. d) Wire drawing. e) Rolling. f) Sheet metal cutting. g) Deep Drawing.
A compound die will be used to blank and punch a large washer out of 6061ST aluminum alloy sheet stock 3.50 mm thick. The outside diameter of the washer is 50.0 mm and the inside diameter is 15.0 mm. Determine (a) the punch and die sizes for the blanking operation, and (b) the punch and die sizes for the punching operation Vallue for allowance = 0.060
A draw frame has a delivery speed of 820 m/min and a total actual draft of 8. Six slivers (each 415 denier) are fed to the draw frame. If the efficiency of the draw frame is 90 %, what is the production rate in kg/hr? Show Calculation.
A solid cylinder of diameter 100 mm and height 50 mm is forged between two frictionless flat dies to a height of 25 mm The percentage change in diameter is... (a) 0 (b) 2.07 (c) 20.7 (d) 41.4
In a sheet metal forming press, the shape to be formed is hemispherical cup of radius 15 cm in 2mm thick mild steel sheet. The force required to deform sheet is 8 kN. The forming hammer should approach job from a distance of 30 cm. The production rate required is 240 components/hr. Calculate and suggest the following specifications of the various hydraulic components used: a. Hydraulic cylinder (bore & length); b. Pump pressure and flow rate; c. Electric motor HP considering 75% pump efficiency; d. Reservoir size; and e. Size of pump inlet and discharge tubing.
the work metal has a flow curve defined by K=300MPa and n=0.2, and the coefficient of friction between the rolls and the work is assumed to be 0.1. a 250mm wide strip 2.0cm thick is fed through a rolling mill with two powered rolls each of radius=300mm. the work thickness is to be reduced to 18mm in one pass at a roll speed of 50rev/min. what will be the power for this operation?
An automated blanking and forming line is designed to from 2 mm thick sheet, made from 2024 Aluminum, T4 temper, into a square sheet metal part. Elongation at 50mm 20% Young’s Modulus 70GPa Yield strength 325 MPa UTS 470 A) What is the force required to punch a square piece that is 500 mm on each edge? B) If the sheet blank was bent to a radius of 5 mm, what will be the radius after springback occurs? C) What is the required bend angle to achieve a 90° final bend angel for a bend radius of 5 mm?
16 30. Forging process is suitable for mass production. Select one: True False
Von mises and tresca agree in pure shear
A compound die will be used to blank and punch a large rectangle (90x150mm blank dimensions) out of 6061ST aluminum alloy sheet stock 3.5 mm thick. The diameter of inside hole is 25 mm. The aluminum sheet metal has a tensile strength 310 MPa. Determine the minimum tonnage press (force) to perform the blanking and punching operation (1) assume that blanking and punching occur simultaneously and (2) assume that punching occurs first, then blanking, Take: Ac-0.06
Show full solution and in 4 significant figures
In a single pass rolling process using 412mm diameter steel rollers, strip of width 120mm and thickness 8mm undergoes 10%reduction of thickness. The angle of bite in radians is.