General Instruction Interpret the design consideration into a graphical representation and follow the listed instructions. Design Consideration Graph a 6-link mechanism where its crank "OA", 25 mm long, has a clockwise rotating motion and one of its ends is pinned to the ground at "O". The crank is connected to two other links at joint "A" where the two links, "AB" and "AC", are equal in length of 100 mm. These two links are located above the crank and are connected to their respective sliders at joint "B" and "C", where "B" is placed on the left and "C" on the right. The axis of slider B, "OB", is inclined 135⁰ with respect to the positive x-axis (w.r.t. +x-axis) while the axis of slider C, "OC", is inclined 45° with respect to the positive x-axis (w.r.t. +x-axis). The axes of the sliders "B" and "C" are always perpendicular to each other, even while reciprocating. I. II. The starting position of crank "OA" is at 90° (w.r.t. +x-axis), graph the kinematic diagram for every 30° of rotation of crank "OA". Determine the total distance traveled by each slider in millimeters upon completion of one full rotation of crank "OA".

General Instruction Interpret the design consideration into a graphical representation and follow the listed instructions. Design Consideration Graph a 6-link mechanism where its crank "OA", 25 mm long, has a clockwise rotating motion and one of its ends is pinned to the ground at "O". The crank is connected to two other links at joint "A" where the two links, "AB" and "AC", are equal in length of 100 mm. These two links are located above the crank and are connected to their respective sliders at joint "B" and "C", where "B" is placed on the left and "C" on the right. The axis of slider B, "OB", is inclined 135⁰ with respect to the positive x-axis (w.r.t. +x-axis) while the axis of slider C, "OC", is inclined 45° with respect to the positive x-axis (w.r.t. +x-axis). The axes of the sliders "B" and "C" are always perpendicular to each other, even while reciprocating. I. II. The starting position of crank "OA" is at 90° (w.r.t. +x-axis), graph the kinematic diagram for every 30° of rotation of crank "OA". Determine the total distance traveled by each slider in millimeters upon completion of one full rotation of crank "OA".

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter4: Numerical Analysis Of Heat Conduction

Section: Chapter Questions

Problem 4.28P

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Aim: To conduct a full kinematic analysis and calculate dynamic reaction forces in a linkage mechanism, calculate instantaneous torque, required to drive the mechanism and to present the results of the case study in a clear reporting format. Introduction: Figure 1 shows a pumpjack operating at an oil well. Its representation as a linkage is also shown in Figure 1. The pumpjack is driven by a motor attached to crank OA. A constant torque T is applied to the crank and the crank rotates at a constant angular velocity ???. A force P is applied vertically downwards at the end of the walking beam BD, which has its centre of mass at point G. To design the mechanism, a careful kinematic analysis of the mechanism needs to be conducted. To avoid mechanical failure and to provide adequate support to the mechanism, the engineer needs to analyse the reaction forces in the joints. Masses of links OA and AB are assumed to be smaller in comparison with the mass of BD and are ignored in the analysis.…
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