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 silver print paper. Also studied were the manners of dependence
of these parameters on prints impressed on sheets of varied thickness. The result of this investigations were
utilized in the design and construction of a operational hot (manual) printing
machine.
TABLE OF CONTENT
Title page
Release page
Letter of transmittal
Approved page
Acknowledgement
Dedication
Abstract
Table of content
CHAPTER ONE
1.0 introduction
1.1
Identification of need
1.2
Purpose of the project
1.3
Definition
CHAPTER TWO
2.1
Literature review
CHAPTER THREE
3.0
Specification of components
3.1 expectancy
3.2
Choice of material and methods
3.3
Component parts
CHAPTER FOUR
4.0 theory of design/design calculations
4.1
Heating system
4.2
Mechanical system
CHAPTER FIVE
5.0 sequence of operation
CHAPTER SIX
6.0 machine handling
6.1
Assembly
6.2
Operation procedure
6.3
Maintenance
6.4
Repair
CHAPTER SEVEN
7.0 testing
7.1
Experimental determination of temperature time
relationship
7.2
Discussion/recommendation
7.3
Mechanical efficiency
7.4
Conclusion
CHAPTER EIGHT
8.0
Cost estimate
8.1 material cost analysis
8.2
Machine/labour cost analysis
8.3
Summary of analysis
References
CHAPTER
ONE
INTRODUCTION
1.1
IDENTIFICATION OF NEED
In recent
years Nigeria lays strong emphasis on mass literacy and indigenous
technology. Printed matters are
indispensable material in mass literacy campaign. The trend towards indigenous
technology imposes a severe clamp down on imported engineering including
printing machinery. Thus, the situation
is such that makes the acquisition of printing machinery from outside our own
borders extremely difficult.
To lessen the
economic strain on the mass literacy campaign, the production of local printing
machinery I s apparently imperative. It
is this fact that rendered initiative to the conception and realization of this
low cost but efficient printing machine based entirely on local technology and
resources.
This machine
is very useful in the printing of many items like paperbacks, cards,
leatherbacks etc. Its design is expected
to motivate and advance the design and construction of other machines destined
for similar purposes and based on indigenous technology and resources.
1.2 PURPOSE OF THE PROJECT
Civilization and complexity of modern
society has brought a number of social problems to be traced.
The
use of textbooks, printed materials such as success cards and posters has now
become imperative for the overall dissemination of heart felt feelings and messages to friends both near
and far.
Unfortunately,
the prevailing economic pr oblem in the country (Nigeria) have sky rocketed the
prices of these items. Renders for
example now rely solely on the libraries for up dating their knowledge.
It
becomes clear then, the need to equip the libraries to met up with the
challenges of their services.
Apart
from refurbishing damaged books libraries are expected to render services such
as printing of cards, printing and binding of students write ups like thesis,
project etc.
All
this needs formed the basis for the construction of this machine because these
functions cannot be performed without a printing machine.
1.3 DEFINITIONS
TYPES - These are the characters or alphabets
that form the
letters
PRINT - This is the mark or impression produced
on pa per due
to the types
SILVER SHEET
DEPOSITS - This is a thin
rectangular
cellophane sheet coated with silver
compounds.
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