Design and fabrication of a printing i block machine
Table Of Contents
<p> </p><div><p>TABLE 1 – 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 &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 shaft diameter <br>e- efficiency <br>k ” Thermal conductivity<br>c ” Heat capacity<br>x ” The pressure transmissibility of lever system (press x 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> List of tables x<br>List of symbols xi<br>Table of contents xii<br><strong>
Chapter ONE
</strong><br>1.1 introduction 1<br>1.2 literature review and data collection 2<br>1.3 experimental determination of pressure for prating 3<br>1.4 design specification 9<br><strong>Chapter TWO
</strong><br>2.1 Design solutions 11<br>2.2 Alternative A press foot printer 11<br>2.3 Alternative B; crank arm (handle ) 14<br>2.4 Alternative C; automatic (motorized) printer 17<br>2.5 Comparison of alternative and choice 20<br><strong>Chapter THREE
</strong><br>3.1 Design selection and analysis of parts of chosen alternative 22<br>3.2 Theory of design/ design calculation 24<br>3.3 The design of the shaft (Hollow) 26<br><strong>Chapter FOUR
</strong><br>4.1 construction of prototype 28<br>4.2 general 28<br>4.3 material selection 29<br>4.4 sequence of construction and assembly 40<br><strong>Chapter FIVE
</strong><br>5.1 Testing of prototype (test ” run) 40<br>5.2 Evaluation of machine efficiency 40<br>5.3 Operator’s manual 41<br>5.4 Costing (cost analysis) 42<br>5.5 Problems Encounter 45<br>5.6 Conclusion 45<br>5.7 Recommendation 46<br><strong>REFERENCES</strong></p><p></p></div><h3></h3><br> <br><p></p>Project Abstract
<p> 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.<br>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. <br></p>Project Overview
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