Manufacturing processes Casting
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Concept of Casting are discuss here, with lot of diagram and video clip because of better understanding for the student.
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- The plant was established in 1964 and merged with Steel Authority of India Limited (SAIL) in 1978.
- It has a total area of 33,045 acres and produces flat steel products like coils and sheets.
- Major facilities and production units include 5 blast furnaces, coke ovens, sinter plant, slabbing mill, hot strip mill and cold rolling mills.
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The document presents a project on developing a vibration table for welding. The vibration table is intended to provide external vibration to the welding table to improve weld penetration and quality. It will work by using an unbalanced vibrator motor placed at the bottom of the table to cause oscillation, with adjustable vibration frequency and level. The project aims to address issues like insufficient penetration in welds by providing a means of vibration assistance during the welding process.
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sail bokaro
Bokaro Steel Plant provides a summary of its operations, including:
- Producing flat steel products like coils and sheets with a total capacity of 4.5 million tonnes per year.
- Sourcing raw materials from various mines within a few hundred kilometres and processing them through coke ovens, sinter plants, blast furnaces and steel melting shops.
- Rolling processes that include slabbing, hot rolling, cold rolling and downstream coating to produce final products.
- A large integrated township that houses over 37,000 employees and their families with schools, hospitals and other amenities.
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This document provides information about Henan Zhongyuan Roller Shaft Co., Ltd., including:
- It was established in 1993 and has 205 employees. It produces forged rolls, shafts, and molds.
- It lists 39 reference customers located in various countries that it has supplied products like work rolls, pipe molds, generator shafts, and more to since 2002.
- It describes its quality control processes like ISO9001 certification since 2005, in-process and finish inspections that include dimensions, hardness testing, and certifications.
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This Presentation gives the information of Manufacturing process-1 of Mechanical Engineering course as per VTU Syllabus. Please write to me at: hareeshang@gmail.com for suggestions and criticisms.
Disclaimer:
Contents are taken from several text books and compiled for academic purposes only. Author doesn't hold the copyright for the contents used in this presentation.
Casting of metals and alloys
Casting is a manufacturing process where liquid material is poured into a mold and solidifies. Advantages include low cost for complex parts and reduced weight. Vacancies in casting include shortage of skilled technicians and need for more capable simulation software. Simulation software allows for predicting cast structure, properties, defects and reducing costs. Aluminum and magnesium alloys are increasingly used in automotive parts like suspension parts and dashboards. New developments in casting include squeeze casting and lost foam casting. Shell molding uses sand and resin to form thin shells. Counter gravity casting and differential pressure casting produce parts like camshafts and crankcases. Flaskless molding avoids flask transport and repair. Freeze casting forms ice patterns for casting. Semisolid
U3 p3 special casting methods
This document discusses various molding and casting processes, including:
1. Carbon dioxide molding process, investment casting process, shell molding process, die casting process, full molding process, and vacuum-sealed casting process.
2. It provides details on the steps and advantages/disadvantages of processes like shell molding, investment casting, plaster mold casting, and permanent mold casting.
3. References are made to keywords and websites for additional information on topics like sand casting and carbon dioxide molding.
Fundamentals of metal forming processes
The document discusses various metal forming processes used to change the shape of metal workpieces through plastic deformation exceeding the metal's yield strength, including bulk deformation techniques like rolling, forging, and extrusion that involve significant shape changes with lower surface area to volume ratios, and sheet metalworking techniques like bending, drawing, and shearing that are performed on metal sheets or strips with higher surface area to volume ratios. Metal forming is an important manufacturing method that allows for net or near-net shape production, high production rates, profitability, and improved material properties.
Casting
Casting is an ancient manufacturing process where molten metal is poured into a mold and solidifies. It can be used to make complex parts out of any metal that can be melted. Common casting processes include sand casting, die casting, and centrifugal casting. Key steps involve preparing a mold, melting metal to the proper temperature, pouring the melt, and allowing solidification. Defects can occur if the part shrinks too quickly during solidification or has non-uniform thicknesses that cool at different rates. Proper mold design and process control are needed to minimize defects.
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Different types of casting process and its application
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Car accident rates have increased in recent years, resulting in losses in human lives, properties, and other financial costs. An embedded machine learning-based system is developed to address this critical issue. The system can monitor road conditions, detect driving patterns, and identify aggressive driving behaviors. The system is based on neural networks trained on a comprehensive dataset of driving events, driving styles, and road conditions. The system effectively detects potential risks and helps mitigate the frequency and impact of accidents. The primary goal is to ensure the safety of drivers and vehicles. Collecting data involved gathering information on three key road events: normal street and normal drive, speed bumps, circular yellow speed bumps, and three aggressive driving actions: sudden start, sudden stop, and sudden entry. The gathered data is processed and analyzed using a machine learning system designed for limited power and memory devices. The developed system resulted in 91.9% accuracy, 93.6% precision, and 92% recall. The achieved inference time on an Arduino Nano 33 BLE Sense with a 32-bit CPU running at 64 MHz is 34 ms and requires 2.6 kB peak RAM and 139.9 kB program flash memory, making it suitable for resource-constrained embedded systems.
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Using data from 41 years in Patna’ India’ the study’s goal is to analyze the trends of how often it rains on a weekly, seasonal, and annual basis (1981−2020). First, utilizing the intensity-duration-frequency (IDF) curve and the relationship by statistically analyzing rainfall’ the historical rainfall data set for Patna’ India’ during a 41 year period (1981−2020), was evaluated for its quality. Changes in the hydrologic cycle as a result of increased greenhouse gas emissions are expected to induce variations in the intensity, length, and frequency of precipitation events. One strategy to lessen vulnerability is to quantify probable changes and adapt to them. Techniques such as log-normal, normal, and Gumbel are used (EV-I). Distributions were created with durations of 1, 2, 3, 6, and 24 h and return times of 2, 5, 10, 25, and 100 years. There were also mathematical correlations discovered between rainfall and recurrence interval.
Findings: Based on findings, the Gumbel approach produced the highest intensity values, whereas the other approaches produced values that were close to each other. The data indicates that 461.9 mm of rain fell during the monsoon season’s 301st week. However, it was found that the 29th week had the greatest average rainfall, 92.6 mm. With 952.6 mm on average, the monsoon season saw the highest rainfall. Calculations revealed that the yearly rainfall averaged 1171.1 mm. Using Weibull’s method, the study was subsequently expanded to examine rainfall distribution at different recurrence intervals of 2, 5, 10, and 25 years. Rainfall and recurrence interval mathematical correlations were also developed. Further regression analysis revealed that short wave irrigation, wind direction, wind speed, pressure, relative humidity, and temperature all had a substantial influence on rainfall.
Originality and value: The results of the rainfall IDF curves can provide useful information to policymakers in making appropriate decisions in managing and minimizing floods in the study area.
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#Abstract:
- Learn more about the real-world methods for auditing AWS IAM (Identity and Access Management) as a pentester. So let us proceed with a brief discussion of IAM as well as some typical misconfigurations and their potential exploits in order to reinforce the understanding of IAM security best practices.
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#Prerequisites:
- Basic understanding of AWS services and architecture
- Familiarity with cloud security concepts
- Experience using the AWS Management Console or AWS CLI.
- For hands on lab create account on [killercoda.com](https://killercoda.com/cloudsecurity-scenario/)
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- Steps:
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- Exploiting IAM AssumeRole Misconfiguration with Overly Permissive Role
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- Objective: Show how overly permissive IAM roles can lead to privilege escalation.
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- Differentiation between PassRole vs AssumeRole
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本公司拥有海外各大学样板无数，能完美还原。
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留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
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Manufacturing processes Casting
- 1. Manufacturing Processes (PC-ME 302) Presented By - Md Farid Hossain Assistant Professor of Mechanical Engineering Department Dream Institute of Technology, Kolkata - 700104
- 2. Conventional Manufacturing Process Work piece Cutting Tool
- 3. Manufacturing •Factors must be considered : Equipment Available • Quantity • Quality • Safety • Cost
- 5. Casting
- 10. Example Of Investment Casting Sprue Wax Pattern Flask Ceramic Slurry Final Product Finished Casting Hollow Ceramic Shell
- 13. Types of Permanent Mould Casting Die Casting Centrifugal Casting
- 15. Example of Die Casting Metal Locating Pin Final Product Riser Permanent Mould Clamps
- 17. Example of Centrifugal Casting Motor Final Product Ladle Molten Metal Pouring Basin MoldCasting