Mechanical Arrangement - PowerPoint PPT Presentation

imala
slide1 n.
Skip this Video
Loading SlideShow in 5 Seconds..
Mechanical Arrangement PowerPoint Presentation
Download Presentation
Mechanical Arrangement

play fullscreen
1 / 11
Download Presentation
Mechanical Arrangement
123 Views
Download Presentation

Mechanical Arrangement

- - - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript

  1. Mechanical Arrangement Piston Engines The main bits and pieces that make up the piston engine

  2. Mechanical Arrangement - Basics

  3. Leg force in direction ‘B’ gives rotational force on pedal/crank propels bicycle along Hand force in direction ‘A’ gives rotational force on nut Mechanical Arrangement - Basics

  4. Main Bearings Offset Bearing Counter Balance Weight Gudgeon Pin Cylinder Piston Connecting Rod ‘Big-end’ Crank Shaft Mechanical Arrangement - Basics

  5. 3 2 4 1 Timing Belt and Water Pump driving pulley location Flywheel attachment flange Rear Front Main Bearings Pistons Crankshaft Mechanical Arrangement - Basics

  6. ‘Rocker Box’ Cover Valve Gear Cylinder Head Assembly Cylinder Block Timing Shaft Flywheel Crankshaft and Pistons Sump (Oil Tank) Exploded View of the Engine Mechanical Arrangement – Main Parts

  7. Exhaust Valve Inlet Valve Valve Operation The Inlet Valve needs to be open to allow fuel/air mixture in The Exhaust Valve needs to be open to allow burnt gases out Mechanical Arrangement – Valve Gear

  8. Rocker Rocker Shaft Closing spring Valve Seat Push Rod Cam Shaft Valve Lift Inlet Valve Closed Inlet Valve Open Push Rod Mechanism Mechanical Arrangement – Valve Gear

  9. Overhead Cam and Rocker Overhead Cam -No Rocker Push Rod Mechanism Mechanical Arrangement – Valve Gear

  10. Twin Cam System Chain Tensioners Cam Drive Mechanism Crankshaft and Pistons Modern Engines use a toothed rubber belt to drive the cam shafts Mechanical Arrangement – Valve Gear

  11. Put it all together How does it work? Mechanical Arrangement