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Open jigs
This document discusses different types of open jigs used in manufacturing. Open jigs include table jigs, plate jigs, sandwich jigs, angle jigs, and template jigs. Table jigs hold irregular parts and reference the machined surface. Plate jigs locate and clamp parts accurately. Sandwich jigs add a backup plate to hold thin parts. Angle jigs machine at angles other than 90 degrees. Template jigs are simplest and guide locating holes but lack clamping. Open jigs are convenient, simple and cheap to produce.
Jigs fixtures
Jigs and fixtures are used to hold and guide work pieces to accurately manufacture duplicate parts. They are used for quality control and safety. Common fixture systems include hold down clamps, adjustable fences, vices, strap clamps, and v-blocks. More advanced fixtures include pneumatic and air vices which use air pressure and vacuum to securely hold work pieces for machining operations.
Rapid injection moulding
Rapid injection moulding allows for the quick production of moulds and parts in low volumes using techniques like plaster moulding, rapid prototyping, and CNC machining. It is suited for producing prototypes and testing parts when full production moulds would take too long to create. The document discusses rapid injection moulding techniques and their applications for quickly making moulds and a small number of plastic parts without the time and cost of conventional mould production.
Electrical Discharge Machining of Ti-6Al-4V
In this study, the electrical discharge machining (EDM) of titanium alloy (Ti–6Al–4V) with different electrode materials namely, graphite, copper and aluminium and process parameters such as, pulse current and pulse duration were performed to explore the influence of EDM parameters on various aspects of the surface integrity of Ti6Al4V.
Study of cutting tools & jig fixture
This document describes a student project on the study of cutting tools and jig fixtures. It discusses tool design methods, desirable properties of tool materials, tool geometry, chip formation, tool failure and factors affecting tool life. The project also explains the importance of jigs and fixtures for holding workpieces and increasing accuracy. It details the manufacturing of a hand vice to study machining operations and factors that influence tool life, such as tool material selection, cutting parameters, heat treatment and coatings. The goal of the project is to understand how to increase tool life for different machining processes.
Plastic Injection Moulding
Dual Metallising specialise in metalising, metalizing, vacuum metalizing, vacuum metalising, plastic injection moulding, plastic moulding, reflectors and spray painting
Jig and fixtures
This document discusses various types of jigs and fixtures used in machining. It describes different types of drill jigs like leaf jigs, channel jigs, and indexing jigs. It also discusses drill bushings, chip formation during drilling, and various fixtures used for milling, grinding, boring, and other operations. The purpose of jigs and fixtures is to accurately locate and secure workpieces for machining to improve accuracy, consistency, and productivity while reducing errors and rejects. Considerations for designing jigs and fixtures include the workpiece geometry, machine capabilities, and required tolerances.
Recomendados
Open jigs
This document discusses different types of open jigs used in manufacturing. Open jigs include table jigs, plate jigs, sandwich jigs, angle jigs, and template jigs. Table jigs hold irregular parts and reference the machined surface. Plate jigs locate and clamp parts accurately. Sandwich jigs add a backup plate to hold thin parts. Angle jigs machine at angles other than 90 degrees. Template jigs are simplest and guide locating holes but lack clamping. Open jigs are convenient, simple and cheap to produce.
Jigs fixtures
Jigs and fixtures are used to hold and guide work pieces to accurately manufacture duplicate parts. They are used for quality control and safety. Common fixture systems include hold down clamps, adjustable fences, vices, strap clamps, and v-blocks. More advanced fixtures include pneumatic and air vices which use air pressure and vacuum to securely hold work pieces for machining operations.
Rapid injection moulding
Rapid injection moulding allows for the quick production of moulds and parts in low volumes using techniques like plaster moulding, rapid prototyping, and CNC machining. It is suited for producing prototypes and testing parts when full production moulds would take too long to create. The document discusses rapid injection moulding techniques and their applications for quickly making moulds and a small number of plastic parts without the time and cost of conventional mould production.
Electrical Discharge Machining of Ti-6Al-4V
In this study, the electrical discharge machining (EDM) of titanium alloy (Ti–6Al–4V) with different electrode materials namely, graphite, copper and aluminium and process parameters such as, pulse current and pulse duration were performed to explore the influence of EDM parameters on various aspects of the surface integrity of Ti6Al4V.
Study of cutting tools & jig fixture
This document describes a student project on the study of cutting tools and jig fixtures. It discusses tool design methods, desirable properties of tool materials, tool geometry, chip formation, tool failure and factors affecting tool life. The project also explains the importance of jigs and fixtures for holding workpieces and increasing accuracy. It details the manufacturing of a hand vice to study machining operations and factors that influence tool life, such as tool material selection, cutting parameters, heat treatment and coatings. The goal of the project is to understand how to increase tool life for different machining processes.
Plastic Injection Moulding
Dual Metallising specialise in metalising, metalizing, vacuum metalizing, vacuum metalising, plastic injection moulding, plastic moulding, reflectors and spray painting
Jig and fixtures
This document discusses various types of jigs and fixtures used in machining. It describes different types of drill jigs like leaf jigs, channel jigs, and indexing jigs. It also discusses drill bushings, chip formation during drilling, and various fixtures used for milling, grinding, boring, and other operations. The purpose of jigs and fixtures is to accurately locate and secure workpieces for machining to improve accuracy, consistency, and productivity while reducing errors and rejects. Considerations for designing jigs and fixtures include the workpiece geometry, machine capabilities, and required tolerances.
ELECTRIC DISCHARGE MACHINING
EDM is an electrical discharge machining process that uses electrical sparks to erode materials to shape and cut electrically conductive materials, even very hard metals. It has various applications in industries like molds, dies, aerospace where complex shapes are required. While EDM allows machining hard metals and complex shapes, it has slow material removal rates and high power consumption compared to traditional machining.
Jigs & Fixtures
The use of jigs and fixtures within manufacturing is widely employed. Their design and the parameters to be taken in to account are discussed with the aid of a case study.
077989
This document provides an overview of stops and indexes that are commonly used in jigs and fixtures to control measurements and repeat operations accurately. It discusses how stops can be used to set lengths, depths, distances and positions. Indexing devices are specifically useful for consistently spacing repeated holes, cuts or shapes. The document provides examples of different types of stops and indexes and how they can aid in marking, cutting and routing operations.
INJECTION MOLDING PROCESS
The document discusses the injection molding process used at Sharp Electric industry in Gujranwala, Pakistan. It describes how plastic parts like chairs, tables, and religious items are manufactured. The process involves melting plastic raw materials like polypropylene and injecting them into molds under high pressure to form the desired shapes. The document outlines the key steps, equipment, materials used, and advantages of the injection molding process.
Drilling operation and components
Drilling technology has evolved considerably over the past 150 years. There are now over 650 mobile offshore drilling units worldwide that can drill in water depths over 12,000 feet. Different types of offshore drilling rigs include semi-submersibles and jack-up rigs anchored to the seafloor. Drilling operations involve careful planning to identify locations where hydrocarbons are likely to exist based on geological and geophysical data collection methods.
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ELECTRIC DISCHARGE MACHINING
EDM is an electrical discharge machining process that uses electrical sparks to erode materials to shape and cut electrically conductive materials, even very hard metals. It has various applications in industries like molds, dies, aerospace where complex shapes are required. While EDM allows machining hard metals and complex shapes, it has slow material removal rates and high power consumption compared to traditional machining.
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The use of jigs and fixtures within manufacturing is widely employed. Their design and the parameters to be taken in to account are discussed with the aid of a case study.
077989
This document provides an overview of stops and indexes that are commonly used in jigs and fixtures to control measurements and repeat operations accurately. It discusses how stops can be used to set lengths, depths, distances and positions. Indexing devices are specifically useful for consistently spacing repeated holes, cuts or shapes. The document provides examples of different types of stops and indexes and how they can aid in marking, cutting and routing operations.
INJECTION MOLDING PROCESS
The document discusses the injection molding process used at Sharp Electric industry in Gujranwala, Pakistan. It describes how plastic parts like chairs, tables, and religious items are manufactured. The process involves melting plastic raw materials like polypropylene and injecting them into molds under high pressure to form the desired shapes. The document outlines the key steps, equipment, materials used, and advantages of the injection molding process.
Drilling operation and components
Drilling technology has evolved considerably over the past 150 years. There are now over 650 mobile offshore drilling units worldwide that can drill in water depths over 12,000 feet. Different types of offshore drilling rigs include semi-submersibles and jack-up rigs anchored to the seafloor. Drilling operations involve careful planning to identify locations where hydrocarbons are likely to exist based on geological and geophysical data collection methods.
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Junio 2024.
“La pedagogía es la metodología de la educación. Constituye una problemática de medios y fines, y en esa problemática estudia las situaciones educativas, las selecciona y luego organiza y asegura su explotación situacional”. Louis Not. 1993.
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Soluciones al examen.
Convocatoria Ordinaria.
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conocer el examen de geografía de julio 2024 en:
https://blogdegeografiadejuan.blogspot.com/2024/06/soluciones-examen-de-selectividad.html
http://blogdegeografiadejuan.blogspot.com/
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