4 Problem 4.7 ( example on analytical position analysis of pinjointed fourbar linkage)The link lengths and the value of 0, for some fourbar linkages are defined inTable P4-1.1. For row a, find all possible solutions (both open and crossed) for angles0, and 0, using the vector loop method.R3R4R2R104FIGURE 4-6

Row Link1 Link2 Link3 Link4 θ2 a 6 2 7 9 30 b 7 9 3 8 85 c 3 10 6 8 45 d 8 5 7 6 25 e…

Answered: Prob The link lengths and the value of…

Engineering

Mechanical Engineering

Prob The link lengths and the value of 0, for some four Table P4-1.

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. Find a combination of link lengths where motion of a point on output link is one quarter of a circle. 2. Find the value of all 0, 0, 0, and y in open and close configuration Read the value of link lengths and the input angle 8., then use the formulae given below to calculate the value of unknowns 03, 0, and y K₁ = = K₂= d K2 K3 = a²-b²+c²+d² 2ac A = cos 0₂ - K₁ - K₂ cos 0₂ + K3 B = -2 sin 0₂ C = K₁ (K₂ + 1) cos 02 + K3 -B± √B²-4AC 2A 0412 = 2tan-1 d K₁ = — K5 = c²d²a²-6² 2ab D = cos 0₂ - K₁ - K4 cos 0₂ + K5 E = -2 sin 0₂ FK₁+ (K₁ - 1) cos 02 +K5 0312 2 tan-1 (-E± -E± √E²4DF 2D Y = 04-03
Problem 4.7 ( example on analytical position analysis of pinjointed fourbar linkage) The link lengths and the value of 0, for some fourbar linkages are defined in Table P4-1. 1. For row a, find all possible solutions (both open and crossed) for angles 0, and 0, using the vector loop method. R3 R4 R2 R1 04 FIGURE 4-6
6- if A=[ and B is 3x3 uit matrix -2 Pind AB)
Solve and Draw the following: Consider a four bar linkage with the following links: L0 = 180mm, L1 = 40mm, L2 = 170 mm. Using grashof criterion, determine the ranges of values for L3 if the linkage is: a) crank-rocker mechanism b) drag link mechanism c) double rocker.
3 25 cm B P 25 cm A 25 cm 03 04 02 10 cm (crank) 20 cm FIGURE 1. Hoeken's linkage (a) Solve for 03 and 04 if the crank angle 02 = 120°. Show your work. (You may want to use the scripts to verify your answers.) (b) Find the position of point P when the crank angle is at 60 degrees.
Problem 3: The RPH robot of Figure 3 is shown in its zero position. Determine the end- effector zero position configuration M, and the screw axes S; in {s}. n. F -inta. Sorowo- Zs {s} Xs L₁ ŷs Lo 0₁5 L2 02 {b} zb 103 pitch h = 0.1 m/rad Ấb ŷb L3 Figure 3: An RPH open chain shown at its zero position. All arrows along/about the joint axes are drawn in the positive direction (i.e., in the direction of increasing joint value). The pitch of the screw joint is 0.1 m/rad, i.e., it advances linearly by 0.1 m for every radian rotated. The link lengths are Lo = 4, L₁= 3, L2= 2, and L3= 1 (figure not drawn to scale).
Q3) You have been provided with following types of kinematic links. Can Type of link Numbers Binary 8 Ternary 3 Quaternary 2 Can you form a kinematic chain by selecting suitable number of links from the available quantity as indicated in the table above? Justify your answer. Note; (please provide an answer that is based on the Mechanics of Machines 1 handout MIME 3220)
For the 3-DOF Industrial manipulator arm as shown in Figure 3, determine the joint displacements for known position and orientation of the end of the arm point. 0. 0. Y1A Y2 A Y3 X2 X3 21 22 23 Yo xo Figure 3. 3 DOF RRR Industrial manipulator arm The link transformation matrices are given by C3 -S3 0 a3C3 S3 C3 1 C2 -S2 0 a,C2 C1 S1 -S1 -C1 d1 S2 C2 2T3 %3D T2 1 1 1 1 1 S1 C\C2a3+C1a2 C1C2C3 – C1S2S3 -C¡C2S3 – C1S2S3 S,C2C3 – S1S2S3 -SĄC2S3 – S1 S2C3 -C1 SịC2a3+ Sja2 Szaz + d1 1 OT3 = = °T, 'T2 ?T3 S½C3 + C2S3 - S2S3 + C2C3
Find the transformation matrix for the following rotations: 1) Rotate a about the original x-axis (in frame 0). (Xo, Yo, Zo) → (X₁,Y₁,Z₁); 2) Followed by a rotation of B about current z-axis (in frame 1). (X₁,Y₁,Z₁)→ (X₂, X₂, Z₂); 3) Followed by a rotation of y about Xo -axis (in frame 0). (X2, Y, Z₂)→ (X3, Y, Z3); 4) Followed by a rotation of about Z3 - axis (in frame 3). (X3, X3,Z3) → (X,Y4, Z4). E F3 $ R F F4 Q Search DII % 5 F5 T F6 6 Y PRE F7 & H 7 PrtScn F8 U 8 Home End
2) Block 4 slides in a slot in the fixed piece 1. Axis Q₂ of crank 2 is fixed on 1. Q₂₂A = 1 1/2 in., and AB = 4/1/2 Draw the mechanism, assuming limen- sions for 1, if desired, or use center lines only. Draw the four-bar linkage for this mechanism, properly rotate the linkage Q₂ ABQ400; Name each link, and show the finite and infinite cranks. Frind graphically the two extreme positions of 13, The axis of the pin by which link 3 is attached to the block 4.. Dimension the length of the stroke of B. Ans. 3& in. for scale 1:1
The figure below shows an offset slider crank linkage. The links lengths are: link2 = a= 100 mm and link3 = b = 600 mm. The offset is c = 190 mm. we need to : 1. determine the maximum horizontal position of the slider B (dmax) and the corresponding input angle 02 2. determine the minimum horizontal position of the slider B (dmin) and the corresponding input angle 02 Y 03 y В R3 R4 R, 04 R2 02 d ► X R1 The maximum horizontal position of the slider is dmax = Choose... + The input angle 02 corresponding to dmax , in degree and measured CCW from X axis, is = Choose... + The minimum horizontal position of the slider is dmin = Choose... + The input angle 02 corresponding to dmin , in degree and measured CcW from X axis, is = Choose.. +
Solve the following problem using both analytical(vector or scalar) and graphical (IC center)methods