A Complete Online Guide For Every Mechanical Engineers
Moulding Sands: Most sand casting operations use Silica sand (SiO2). Usually sand used to manufacture a mould for the casting process is held together by a mixture of water and clay. A typical mixture by volume could be 89% sand, 4% water, 7% clay. Control of all aspects of the properties of sand is crucial…
1. Rawhide mallet: It is a mallet to loosen the pattern in the mould by striking slightly, so that it can be withdrawn without damaging the mould. 2. Gate cutter: It is a metal piece to the gate the opening that connects tee sprue with the mould cavity. 3. Rapping plate (or) Lifting plate: It…
Moulding Tools: 1. Shovel: It is just like rectangular pan fitted with a handle. It is used for mixing the moulding sand and for moving it from one place to the other. 2. Riddle: It is used for removing foreign materials like nails, shot metal splinters of wood etc from the moulding sand. 3. Rammer:…
Sand Casting: Casting is a solidification process. Therefore, the microstructure can be finely tuned, such as grain structure, phase transformations and precipitation. However, defects such as shrinkage porosity, cracks and segregation are also intimately linked to solidification. These defects can lead to lower mechanical properties. A subsequent heat treatment is often required to reduce residual…
Mould making is the crucial step in the production of castings. Making a mould properly means a casting half done. A sand mould is formed by packing sand into each half of the mould. The sand is packed around the pattern, which is a replica of the external shape of the casting. When the pattern…
Manufacturing Process Types: It is classified into four types: 1. Casting 2. Material Removal 3. Deformation Process 4. Consolidation Process Further Classified into: 1. Expandable mould a. Sand Casting b. Shell Casting c. Investment Casting d. Lost Wax Casting 2. Multiple Use Mould a. Die casting b. Permanent Mould Casting 3. Mechanical Machining a….
Metal casting process: Definition: “Casting (or) Foundry is a process of forming objects by putting molten metal in mold’s and letting to solidify.” Examples: Cameras, Carburetors, Engine Blocks, Crankshafts, Automotive Components, Agricultural Equipments, Road Equipments, and Pipes. Advantages and Uses of Casting: 1. The most intricate of shapes, both External and Internal may be cast….
Engineering activities involved in the creation and operation of the technical and economic processes that convert raw materials, energy, and purchased items into components for sale to other manufacturers or into end products for sale to the customer. Defined in this way, manufacturing engineering includes product design and manufacturing system design as well as operation…
TYPES OF CHASSIS FRAMES: There are three types of frames 1. Conventional frame 2. Integral frame 3. Semi-integral frame 1. Conventional frame: It has two long side members and 5 to 6 cross members joined together with the help of rivets and bolts. The frame sections are used generally. a. Channel Section – Good resistance…
Chassis Frame Chassis is a French term and was initially used to denote the frame parts or Basic Structure of the vehicle. It is the back bone of the vehicle. A vehicle with out body is called Chassis. The components of the vehicle like Power plant, Transmission System, Axles, Wheels and Tyres, Suspension, Controlling Systems…
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