Design and fabrication of a printing i block machine

• <p> </p><div><p>TABLE 1 &nbsp;– Experimental determination of pressure for printing <br>11- Effect of temperature on sharpness of print.<br>111 ” Description of (components) parts and materials use for them<br>1v- comparison of cost and properties of materials <br><strong>LIST OF FIGURES</strong><br>Description<br>Figure 1 sketch of alternative A<br>Figure
• 2.Sketch of alternative B.<br>Figure 3 sketch of alternative C<br>Figure 4 isomeric view of hot plate square housing <br>Figure 5 isometric view of type holder<br>Figure 6 &amp;7 load and free body diagram of crank are (Handle) and rod.<br><strong>LIST OF SYMBOLS</strong><br>A ” Area<br>A ” Acceleration<br>D ” Maximum shaft diameter<br>d- minimum &nbsp;shaft diameter <br>e- efficiency <br>k ” Thermal conductivity<br>c ” Heat capacity<br>x ” The pressure transmissibility of lever system (press x &nbsp;1/duration )<br>t ” Time<br>l ” Length of shaft<br>m ” Mass<br>m ” Maximum bearding moment<br>p – Electric power<br>q ” Quantity of heat <br><strong>TABLE OF CONTENTS</strong><br>Title page ii<br>Letter of transmittal iii<br>Release iv<br>Approval page v<br>Dedication vi<br>Acknowledgement vii<br>Abstract viii<br>List of figures ix<br>&nbsp;List of tables x<br>List of symbols xi<br>Table of contents xii<br><strong>

Chapter ONE

INTRODUCTION

• </strong><br>
• 1.1introduction 1<br>
• 1.2literature review and data collection 2<br>
• 1.3experimental determination of pressure for prating 3<br>
• 1.4design specification 9<br><strong>

Chapter TWO

LITERATURE REVIEW

• </strong><br>
• 2.1Design solutions 11<br>
• 2.2Alternative A press foot printer 11<br>
• 2.3Alternative &nbsp;B; crank arm &nbsp;(handle ) 14<br>
• 2.4Alternative &nbsp;C; automatic (motorized) printer 17<br>
• 2.5Comparison of alternative and choice 20<br><strong>

Chapter THREE

SYSTEM DESIGN AND IMPLEMENTATION

• </strong><br>
• 3.1Design selection and analysis of parts of chosen alternative 22<br>
• 3.2Theory of &nbsp;design/ &nbsp;design calculation 24<br>
• 3.3The &nbsp;design of the shaft (Hollow) 26<br><strong>

Chapter FOUR

SYSTEM TESTING AND EVALUATION

• </strong><br>
• 4.1construction of prototype 28<br>
• 4.2general 28<br>
• 4.3material selection 29<br>
• 4.4sequence of construction and assembly 40<br><strong>

Chapter FIVE

SUMMARY, CONCLUSION AND RECOMMENDATIONS

• </strong><br>
• 5.1Testing of prototype (test ” run) 40<br>
• 5.2Evaluation of machine efficiency 40<br>
• 5.3Operator’s manual 41<br>
• 5.4Costing &nbsp;(cost analysis) 42<br>
• 5.5Problems Encounter 45<br>
• 5.6Conclusion 45<br>
• 5.7Recommendation 46<br><strong>REFERENCES</strong></p><p></p></div><h3></h3><br> <br><p></p>