What is a Gear? A Gear is a machine component, which is used to transmit mechanical power from one shaft to the other by successively engaging its teeth. Gears are one of the most used method of mechanical power transmission in the machines. Power transmission by the gears have almost 100% efficiency. Advantages of Gear… Read More »
Definition of Cam A cam is a mechanical member used to impart desired motion to follower by direct contact Cam and follower combination belongs to the category of higher pairs. Also read What are higher pairs? Necessary members of cam and follower mechanism are A driver member known as cam A driven member known as… Read More »
What is a kinematic pair? Before going to the definition of kinematic pair, let us first understand definition of a link. A resistant body or a group of resistant bodies with rigid connections preventing their relative movement is known as link. links can be classified on the basis of their ends on which turning pairs… Read More »
Milling – An overview Milling machines are perhaps the most widely used in manufacturing after lathes. However, milling machines use multi point cutting tool but lathe machines use single point cutting tool. What is milling? A milling machine uses a cutter with a multiple teeth, these teeth (one by one) engage with the work piece… Read More »
What are machine tools? Machine tools are defined as a tool which while holding the cutting tool would be able to remove metal from the workpiece. Material is removed from the workpiece in order to generate desired shape. Some examples of M/C tools are milling cutter, drill bit, shaper etc. Classifications based on capability of… Read More »
What are cutting fluids? Cutting fluids are the fluids which are generally applied while the machining (or cutting) operation is taking place. The machining operation can be any i.e. milling, turning, drilling etc. Sometimes a cutting fluid is also referred as coolant but it is wrong. A cutting fluid performs several functions and cooling the… Read More »
What is a material removal process? Material removal process is a type of manufacturing process in which the final product is obtained by removing excess metal from the stock. The best example of a machining process is generating a cylindrical surface from a metal stock with the help of a lathe. This is one of… Read More »
What is powder metallurgy? Powder metallurgy is a kind of manufacturing process in which we make final products with the help of powdered metal. In this process we heat powdered metal to a temperature below its melting point and then compact that metal to a desired shape. Since the powdered metal gets compacted it its… Read More »
Cast iron is a ferrous alloy which has more than 2% carbon in it. Though it can have any percentage of carbon between 2% to 6.67%, but practically it is in between 2% to 4% only. It has got its name due to its excellent casting qualities. It is hard and brittle. There is a… Read More »
What is extrusion? Extrusion is a type of forming process (which is a type of manufacturing process) in which a metal is confined in a closed cavity and then allowed to flow through only one opening so that the metal takes the shape of opening. This process is exactly same as squeezing toothpaste out of… Read More »