Study Mech

 The valve timing analysis is one of the most important studies in IC engine development. Based on Valve timing analysis, engine performance,  fuel requirement and stock timing can be studied and improved. the following experiment shows the study of valve timing study for petrol and diesel engine. EXPERIMENT NO: 01 AIM: To study valve timings for four-stroke petrol/Diesel Engines. APPARATUS: Models and cut sections of four-stroke petrol/Diesel Engine. Measuring tape Chalk Piece of paper Theory and Description: The diagram which shows the position of the crank of a four-stroke cycle engine at the beginning and at the end of suction, compression, expansion, and exhaust of the engine are called the Valve Timing Diagram. The extreme position of the bottom of the cylinder is called "Bottom Dead Centre". In the case of horizontal engines, this is known as "Outer Dead Centre". The position of the piston at the top of the cylinder is called "Top Dead Centre". In ...

  What is Additive Manufacturing? As the name suggests, Additive Manufacturing (also known as 3D printing) is a group of manufacturing techniques , which manufacture parts by adding successive layers of material with the help of computer control systems. Various materials that can be used in additive manufacturing (AM) are plastic, metal, concrete, also human tissue. In the additive manufacturing process, Computer-Aided Design (CAD) is created and utilized to manufacture 3-Dimension (3D) objects. Various CAD-CAM software is required to Design, Analyze, and Manufacture parts. Once CAD data is produced, Slicing software slices the design in different layers (as required by different  AM processes), and then data utilized to manufacture required material parts. Different terms like “3D printing” and “rapid prototyping” are also casually used to describe Additive manufacturing, but each one is a subset of additive manufacturing. Hence in the simple sense, Additive manufacturing te...