مشروع تخرج بعنوان Design & Manufacturing of Drilling CNC Machine

أخوانى فى الله
أحضرت لكم مشروع تخرج بعنوان

Design & Manufacturing of Drilling CNC Machine

ويتناول الموضوعات الآتية:

Chapter : Introduction page no
Introduction to Computer numerical control
Definition
Applications
Advantages and Limitations
Elements of a CNC machine
Principles of CNC
Closedloop Control Systems
Cutting force analysis
Drilling
Milling
Chapter : Mechanical Design
Fits & tolerance
Introduction
System of fit
Type of fit
Recommended fits
Shaft & axles
Introduction
Shaft Loads
Shaft Materials
Shaft Power
Shaft Stresses
Power screw
Screw threads
Coefficients of friction for screw thread
Force required pushing a box up or down an incline
Torque, power and Efficiency
Types of Screw threads
Power Screws
Friction Load on power screw
Types of Loading
Design of power screw
Bearing Selection
Introduction
Classification of bearing
Bearing used in this project
Bearings and Lubricants
Calculation for selecting bearing for power screw shaft
II
Chapter : Electrical design
Motor selection
Stepper Motor
Permanent magnet DC Motor
DC Motors VS Stepper Motors
Microcontroller
The difference between the microprocessor & the microcontroller
Types of Microcontroller
Features of C microcontroller chip
Interrupts of the C
Types of memory in the C
Sensors & feed back
Controlling permanent magnet DC Motor using optical encoder
Optical encoder
Position measurement
Limit Switches
Programming
Flow chart of Origin subprogram
Flow chart of drilling process
Chapter : Mechanical Calculations
Drawing
Power screw torque calculation
Chapter : Implementation
Why this project
Project procedures
Data gathering
Choosing anatomy of motion & design
Our CNC machine
Drafting & editing
Control implementation
Choosing actuators
Chapter : Budget & Future Recommendations
Budget
Future recommendations
References
Appendix
VI
List of Figures
Figure Cutter path between holes in a pointtopoint system
Figure Continuous path cutting Position error caused by the velocity error
Figure Schematic illustration of drilling, boring, and milling with various paths
Closed loop control system
Optical Encoder (a) Device (b) Series of pulses emitted
Tip view of the drill
parameters of the drill
Comparison of a twist drill for plastic and a twist drill for metal
Lip clearance
Angle of the dead center
Unequal drill point angles
Drill point off center
basic types of milling machines
definition of fitting
types of fitting
levels of fitting
basic shaft loading
torsional load
screw thread used for different purposes
inclined ramp with angle
force required to push box up or down an incline
Vee thread
Square thread
Figure Acme thread
Buttress thread
Multistart thread
Ballbearing power screw
application of power screw
types of loading
types of load on bearings
SingleRow DeepGroove ball bearing
the method of assembly of a deepgroove ball bearing
snapping the inner ring to the position concentric with the outer ring
linear motion bearing
ball bearing
Construction of stepper Motor
Construction of Permanent magnet DC Motor
Construction of Permanent magnet DC Motor
Disassembled permanentmagnet dc motor
Equivalent circuit of a permanentmagnet dc motor
comparing dc motor to stepper motor
schematic diagram of C microcontroller chip
VII
( external interrupt timer interrupts (internal) serial communications)
Types of memory in the C
Scheme of the link between a DC motor and the optical encoder
Basic construction of optical shaft encoder
Figure Double track encode for detection of the direction of rotation
limit switch
Flute end of driller
conical end of driller
Engineering science implementation in CNC machine
deckel CNC milling machine
fixed table type
Fixed table with power screw in the middle
fixed table with sliding tower
four views for XDirection module
General view for XDirection module
General view for Y & ZDirection module
three views for vertical frame
linear bearing installed with the guid
three views for project
Isometric view
the control circuit assembled on bread bord
schematic drawing of the PCB
the printing process
the printed circuit in the final shape
stepper motors
DC motor with optical encoder
DC motor with satellite dish setup
List of Tables
Table type of milling operations
Table Friction Load on power screw
Table Design of power screw
Table Calculation for selecting ball bearing for power screw shaft
Table plate data for DC motor

أتمنى أن تستفيدوا منه وأن ينال إعجابكم
رابط تنزيل مشروع تخرج بعنوان Design & Manufacturing Of Drilling CNC Machine
رابط آخر مباشر لتنزيل مشروع تخرج بعنوان Design & Manufacturing Of Drilling CNC Machine

شارك معنا فى حملة فيد وإستفيد

شارك معنا فى المسابقة الهندسية الشهرية

كيفية التسجيل فى منتدى هندسة الإنتاج والتصميم الميكانيكى

*****************************************************************************************

عدل سابقا من قبل Admin في الخميس 02 يونيو 2016, 12:06 am عدل 9 مرات

جزاااااك الله خيراااااااااااا

شارك معنا فى حملة فيد وإستفيد

شارك معنا فى المسابقة الهندسية الشهرية

كيفية التسجيل فى منتدى هندسة الإنتاج والتصميم الميكانيكى

*****************************************************************************************

@ahmed shawky كتب:
جزاااااك الله خيراااااااااااا

شارك معنا فى حملة فيد وإستفيد

شارك معنا فى المسابقة الهندسية الشهرية

كيفية التسجيل فى منتدى هندسة الإنتاج والتصميم الميكانيكى

*****************************************************************************************

موضوع: شكرا الثلاثاء 28 فبراير 2012, 8:03 pm

جزاك الله كل خير

شارك معنا فى حملة فيد وإستفيد

شارك معنا فى المسابقة الهندسية الشهرية

كيفية التسجيل فى منتدى هندسة الإنتاج والتصميم الميكانيكى

@realsmart كتب:
جزاك الله كل خير

جزانا الله وإياك خيراً ونتمنى لك الإستفادة

شارك معنا فى حملة فيد وإستفيد

شارك معنا فى المسابقة الهندسية الشهرية

كيفية التسجيل فى منتدى هندسة الإنتاج والتصميم الميكانيكى

*****************************************************************************************