TAILIEUCHUNG - Văn bản hướng dẫn thiết kế máy P32

Internal Combustion Engine Parts 1. Introduction. 2. Principal Parts of an I. C. Engine. 3. Cylinder and Cylinder Liner. 4. Design of a Cylinder. 5. Piston. 6. Design Considerations for a Piston. 7. Material for Pistons. 8. Piston Head or Crown . 9. Piston Rings. 10. Piston Barrel. 11. Piston skirt. 12. Piston Pin. 13. Connecting Rod. 14. Forces Acting on the Connecting Rod. 15. Design of Connecting Rod. 16. Crankshaft. 17. Material and Manufacture of Crankshafts. 18. Bearing Pressures and Stresses in Crankshafts. 19. Design Procedure for Crankshaft. 20. Design for Centre Crankshaft. 21. Side or Overhung Crankshaft. 22. Valve. | CONTENTS C H A P T E R 32 Internal Combustion Engine Parts 1. Introduction. 2. Principal Parts of an I. C. Engine. 3. Cylinder and Cylinder Liner 4. Design of a Cylinder 5. Piston. 6. Design Considerations for a Piston. 7. Material for Pistons. 8. Piston Head or Crown . 9. Piston Rings. 10. Piston Barrel. 11. Piston skirt. 12. Piston Pin. 13. Connecting Rod. 14. Forces Acting on the Connecting Rod. 15. Design of Connecting Rod. 16. Crankshaft. 17. Material and Manufacture of Crankshafts. 18. Bearing Pressures and Stresses in Crankshafts. 19. Design Procedure for Crankshaft. 20. Design for Centre Crankshaft. 21. Side or Overhung Crankshaft. 22. Valve Gear Mechanism. 23. Valves. 24. Rocker Arm. Introduction As the name implies the internal combustion engines briefly written as I. C. engines are those engines in which the combustion of fuel takes place inside the engine cylinder. The . engines use either petrol or diesel as their fuel. In petrol engines also called spark ignition engines or engines the correct proportion of air and petrol is mixed in the carburettor and fed to engine cylinder where it is ignited by means of a spark produced at the spark plug. In diesel engines also called compression ignition engines or engines only air is supplied to the engine cylinder during suction stroke and it is compressed to a very high pressure thereby raising its temperature from 600 C to 1000 C. The desired quantity of fuel diesel is now injected into the engine cylinder in the form of a very fine spray and gets ignited when comes in contact with the hot air. The operating cycle of an . engine may be completed either by the two strokes or four strokes of the 1125 CONTENTS 1126 A Textbook of Machine Design piston. Thus an engine which requires two strokes of the piston or one complete revolution of the crankshaft to complete the cycle is known as two stroke engine. An engine which requires four strokes of the piston or two complete revolutions of the .

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