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DESIGN AND FABRICATION OF A PRINTING BLOCK MACHINE

ABSTRACT

Parameters on which clear prints depends were comprehensively investigated. The study revealed that clear print depends on the impressed pressure the working temperature and the gold foil print paper life expectancy. Also studies were he manner of dependence of these parameters on prints impressed  on sheets of varied thickness. The results of these investigation were  utizlied in the design and fabrication of an operational manual printing machine using gold foil   sheet depositor clear prints were impressed on papers during the new machine’s operation.

TABLE OF CONTENTS

CHAPTER ONE

1.1              Introduction                                                               

1.2              Literature review and data collection                        

1.3              Experimental determination of pressure for prating               

1.4               Design specification                                      

CHAPTER TWO

2.1              Design solutions                                                         

2.2              Alternative A press foot printer                                             

2.3              Alternative  B; crank arm  (handle )                          

2.4              Alternative  C; automatic (motorized) printer                       

2.5              Comparison of alternative and choice                                   

CHAPTER THREE

3.1              Design selection and analysis of parts of chosen alternative

3.2              Theory of  design/  design calculation                                   

3.3              The  design of the shaft (Hollow)                                          

CHAPTER FOUR               

4.1     Construction of prototype

4.2     General                                                                                    

4.3     Material selection                                                                   

4.4     sequence of construction and assembly                                 

CHAPTER FIVE

5.1     Testing of prototype (test – run)                                            

5.2     Evaluation of machine efficiency                              

5.3     Operator’s manual                                                                  

5.4     Costing  (cost analysis)                                                          

5.5     Problems Encounter                                                   

5.6     Conclusion                                                                             

5.7     Recommendation

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