INJECTION MOULDING WORKING PRINCIPLE Injection moulding process is generally used to achieve high speed moulding of thermo plastic. It works on the principle that the molten thermo plastic is injected into a mould and a high pressure is applied the desired shape is obtained. Plunger system is used for achieving high pressure. OPERATION The material that is to be used
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Thermo plastics These kinds of plastics have long separate and large molecules arranged side by side. The various types of thermoplastics are discussed below. Cellulose derivatives Cellulose nitrate is generally obtained by treating the cellulose with a mixture of nitric acid and sulphuric acid. It has high toughness, good resistance to moisture and it is highly inflammable. It is mostly
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ELECTRON BEAM WELDING Principle Beam of electron is used for producing high temperatures and melting the work piece to be welded. Working When tungsten filament is electrically heated in vacuum, it will emit the electrons. These electrons carry a negative charge which is passed through the anode hole. The electron beam is focused by the focusing lens. When the focused
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Thermosetting Plastics The plastic which are hardened by the heating is called as thermo setting plastic. this heating reaction is non-reversible. The molecules of this type of plastic have a very strong binding force. The raw material for these kinds of plastics is available in liquid or solid form. These types of plastics consume more time for polymerization Phenol formaldehyde
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Plasma arc welding Principle Plasma is nothing but a high temperature ionized gas. It is generally a mixture of positively charged atoms and neutral charged atoms and free elements. When this high temperature plasma is passed through the orifice, the proportion of the ionized gas is increased and the plasma arc welding is formed. Working When the high heat content
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FORGING PROCESS In this process the desired shape is obtained by the application of a compressive force over the metal. In hot forging process the metal is heated above the recrystallization temperature. This hot metal is then compressed to the desired shape using hammer or press tool. There are three types of forging process. · Open die forging process ·
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THERMIT WELDING Welding the parts by using liquid Thermit steel around the portion to be welded is called Thermit welding. this is a type of fusion welding process. In this process, neither arc is produced to heat parts nor flames are used. high temperature is being obtained by the usage of the exothermic reaction. Welding principle is the heat of
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Mechanical Energy Storage Methods in Renewable Energy Plant There are three methods is to be used for storing the energy and they are: 1. Pumped Storage 2. Compressed Air Storage 3. Flywheel Storage 1. Pumped Storage method in Renewable Plants Pumped storage is the most successful, economical and widely used energy-storage technology presently available to electrical utilities for load levelling
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Read moreCompound Steam Engine | Classification Compound Steam Engines – Mechanical Engineering | Mechanical Engineering Related Posts:Classification Of…Taper Turning Methods…Hybrid Drive Trains |…Turbocharged Direct…Super Charger | Super…Engine Variable valve… Popular on BlogMech Right Now:Design of Screw Conveyor | Size of Screw Conveyor | Screw Conveyor Capacity Calculation | Screw Conveyor Design Calculation Design of Screw Conveyor: The size of screw conveyor
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