SPUR GEAR REDUCTION
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UNIVERSITY OF NUEVA CACERES
COLLEGE OF ENGINEERING
CITY OF NAGA
ME 414a A
( MACHINE DESIGN I )
Plate No. 1
DESIGN OF A BELL CRANKSubmitted by:
GREG C. BELLEZA III
BSME
Submitted to:
ENG'R. MANUEL L. BALAQUIAO
( Instructor)
August 2001
University of Nueva Caceres
College of Engineering
City of Naga
Engr. Manuel L. Balaquiao
Mechanical Engineering Department
College of Engineering
Sir,
I would like to submit this design plate No. 1 entitled Design
of a Bell Crank, as a partial fulfillment of the requirements in
the subject ME 414a A (Machine Design I). This includes
computations and illustrations which are researched and summarized
necessary to accomplished this design.
Hoping that this design plate will meet your approval.
Thank you and God Bless.
Respectfully yours,
GREG C. BELLEZA III
BSME EN 88-15504
ACKNOWLEDGEMENT
First, I will sincerely acknowledge to the Lord who has always
been expressed to my mind what will be the right thing to do, a
source of strength when this project was roughly going.
To my parents who financially and morally support to secure,
what a complete design is.
To our instructor who teach and guide us the necessary
computation and also to our classmates who always with to pursed
the completion of this design project.
Greg
TABLE OF CONTENTS
Title
page------------------------------------------------------
i
Letter of
Transmittal---------------------------------------------
ii
Acknowledgement---------------------------------------------
iii
Table of
Contents---------------------------------------------
iv
Design
Problem----------------------------------------------1
Design for Stresses-------------------------------------2
Computation & Dimension at Yoke A -----------------4
Analysis at Joint B -------------------------------------
12
Analysis at Joint C-------------------------------------19
For the Key Dimension----------------------------20
Tolerance and Allowances----------------------------21
Summary of Computed and Adjusted Values-------------------24
Definition of
Terms----------------------------------------------25
Bibliography-------------------------------------------------------26
Working drawings
