UNCONVENTIONAL MACHINING PROCESS CLASSIFICATION-MECHANICAL ENERGY METHODS-ELECTRICAL ENERGY METHODS-CHEMICAL ENERGY METHODS-ELECTRO CHEMICAL ENERGY METHODS-THERMALENERGY METHODS.
UCM-Unit 3 CHEMICAL AND ELECTRO-CHEMICAL ENERGY BASED PROCESSESShanmathyAR2
Chemical machining and Electro-Chemical machining (CHM and ECM)- Etchants – Maskant -
techniques of applying maskants - Process Parameters – Surface finish and MRR-Applications.
Principles of ECM- equipments-Surface Roughness and MRR Electrical circuit-Process Parameters- ECG and ECH - Applications.
UNCONVENTIONAL MACHINING PROCESS CLASSIFICATION-MECHANICAL ENERGY METHODS-ELECTRICAL ENERGY METHODS-CHEMICAL ENERGY METHODS-ELECTRO CHEMICAL ENERGY METHODS-THERMALENERGY METHODS.
UCM-Unit 3 CHEMICAL AND ELECTRO-CHEMICAL ENERGY BASED PROCESSESShanmathyAR2
Chemical machining and Electro-Chemical machining (CHM and ECM)- Etchants – Maskant -
techniques of applying maskants - Process Parameters – Surface finish and MRR-Applications.
Principles of ECM- equipments-Surface Roughness and MRR Electrical circuit-Process Parameters- ECG and ECH - Applications.
Non-traditional manufacturing processes is defined as a group of processes that remove excess material by various techniques involving mechanical, thermal, electrical or chemical energy or combinations of these energies
Water scarcity is the lack of fresh water resources to meet the standard water demand. There are two type of water scarcity. One is physical. The other is economic water scarcity.
About
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
• Remote control: Parallel or serial interface.
• Compatible with MAFI CCR system.
• Compatible with IDM8000 CCR.
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
• Easy in configuration using DIP switches.
Technical Specifications
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
Key Features
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
• Remote control: Parallel or serial interface
• Compatible with MAFI CCR system
• Copatiable with IDM8000 CCR
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
Application
• Remote control: Parallel or serial interface.
• Compatible with MAFI CCR system.
• Compatible with IDM8000 CCR.
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
• Easy in configuration using DIP switches.
Cosmetic shop management system project report.pdfKamal Acharya
Buying new cosmetic products is difficult. It can even be scary for those who have sensitive skin and are prone to skin trouble. The information needed to alleviate this problem is on the back of each product, but it's thought to interpret those ingredient lists unless you have a background in chemistry.
Instead of buying and hoping for the best, we can use data science to help us predict which products may be good fits for us. It includes various function programs to do the above mentioned tasks.
Data file handling has been effectively used in the program.
The automated cosmetic shop management system should deal with the automation of general workflow and administration process of the shop. The main processes of the system focus on customer's request where the system is able to search the most appropriate products and deliver it to the customers. It should help the employees to quickly identify the list of cosmetic product that have reached the minimum quantity and also keep a track of expired date for each cosmetic product. It should help the employees to find the rack number in which the product is placed.It is also Faster and more efficient way.
Hybrid optimization of pumped hydro system and solar- Engr. Abdul-Azeez.pdffxintegritypublishin
Advancements in technology unveil a myriad of electrical and electronic breakthroughs geared towards efficiently harnessing limited resources to meet human energy demands. The optimization of hybrid solar PV panels and pumped hydro energy supply systems plays a pivotal role in utilizing natural resources effectively. This initiative not only benefits humanity but also fosters environmental sustainability. The study investigated the design optimization of these hybrid systems, focusing on understanding solar radiation patterns, identifying geographical influences on solar radiation, formulating a mathematical model for system optimization, and determining the optimal configuration of PV panels and pumped hydro storage. Through a comparative analysis approach and eight weeks of data collection, the study addressed key research questions related to solar radiation patterns and optimal system design. The findings highlighted regions with heightened solar radiation levels, showcasing substantial potential for power generation and emphasizing the system's efficiency. Optimizing system design significantly boosted power generation, promoted renewable energy utilization, and enhanced energy storage capacity. The study underscored the benefits of optimizing hybrid solar PV panels and pumped hydro energy supply systems for sustainable energy usage. Optimizing the design of solar PV panels and pumped hydro energy supply systems as examined across diverse climatic conditions in a developing country, not only enhances power generation but also improves the integration of renewable energy sources and boosts energy storage capacities, particularly beneficial for less economically prosperous regions. Additionally, the study provides valuable insights for advancing energy research in economically viable areas. Recommendations included conducting site-specific assessments, utilizing advanced modeling tools, implementing regular maintenance protocols, and enhancing communication among system components.
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2. EDM-Principle
• A thin wire of round shape used as an electrode, which is
supplied to the work area through a pair of wheels. With the
aid of current a high power spark is produced between wire-
electrode and work piece. Due to this high amount of heat is
produced nearly to 10000 degree Celsius. This heat energy
used to melt and vaporize the work material. Then with the
supply of dielectric fluid the molten stage materials are flushed
away, likewise the machining is carried out in the work piece.
4. Specifications
Voltage = 250 V
GAP = 0.005 – 0.05 mm
Temperature = 10000 degree celcius
Spark occur = 10 – 30 micro seconds
Current density = 15 – 500 A
5. Dielectric Fluid
Petroleum Products
Paraffin
White sprit
Transformer oil
Kerosene
Mineral oil
Mixture of all
Dielectric Fluid Requirements
•Should not be toxic
•Should not be corrosive
•Should not be hazardous
•Should be circulate freely
•Should be flushed out
•Should be act as coolant
• Should be filtered before use
•Should be less cost
6. Di electric Fluid – Flushing Method
1. Pressure Flushing
2. Suction Flushing
3. Side Flushing
17. 2. R-C-L Circuit
• MRR increases with the decrease of R
Capacitor charging
time is the problem
in R-C circuit.
So to overcome this
, inductance (L) is
introduced in the
circuit
18. Rotary Pulse Generator
• R-C and R-C-L yield low MRR
• Rotary Pulse Generator over come Drawback
of above to circuits
• It give high MRR
• It give good Surface finish
• It give low tool wear
• It provide better control in all Parameters
19. Rotary Pulse Generator
• Here Capacitor is discharged through the diode during first half
cycle.
• In the next half cycle sum of voltages is given with charged
capacitor to the circuit.
• So high spark produced
• It results high MRR
Draw Back
•Poor Surface Finish
20. Controlled Pulse Generator Circuit
• All above three circuits not having any safety
incase of Short circuit in the circuit
Here in this a vacuum tube
(Transistor) is provided as an
automatic control
27. • Current Density
PROCESS PARAMETERS
Current
Density
(More
Spark)
= MRR + Surface
Roughness
Current
Density
(Less
Spark)
= MRR + Surface
Roughness
Good Surface Finish
Poor Surface Finish
31. Wire – Cut EDM (WEDM)
Travelling Wire Cut EDM (TWEDM)
0.02 – 0.03mm dia wire
Wire - Brass or Molybdenum
10 – 30 micro second sparking
15 – 500 Amp / mm2
30 - 250 V
10,000 C - Temperature
10 – 30 mm/ sec wire Feed
15 – 80 mm3 / sec MRR
Petroleum Based Hydrocarbon
Fluids – Paraffin, white Sprit ..
32. Features of WCEDM
i) Manufacturing Electrode
ii) Electrode Wear
iii) Surface Finishing – No Manual finishing needed
iv) Complicated Shapes – No need of skilled operators
v) Time Utilization – overall control is by NC Machine
vi) Straight Holes – Feed mechanism avoid taper holes
vii) Rejection – NC programmes avoid rejections
viii)Economical – for Batch production (including prototypes)
ix) Cycle Time – for die manufacturer is shorter
x) Inspection Time – very less
33. Disadvantages of WEDM
• High Capital cost
• Cutting Rate is slow
• Not suitable for large work pieces