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- purpose, structure, principle of working and design features
of CSM and GDM mechanisms of engines of different types of
cars;
- advantages and disadvantages of different design schemes of
the CSM and GDM mechanisms.
4 The order of work execution
to write down:
- type of engine, number and position of cylinders;
- cylinder diameter;
- piston stroke;
- working volume;
- degree of compression;
- maximum power;
- frequency of rotation of the crankshaft of the engine at
maximum power;
- maximum torque;
- frequency of rotation of the crankshaft of the engine at
maximum torque;
- procedure of cylinder operation;
- number of native and connecting cranks;
- fixation of the axial displacement of the crankshaft;
- the thermal gap in the valves;
- number of bearing cams of camshaft;
- fixation of the camshaft from axial displacement;
- type and shape of the pusher;
- structural difference of the exhaust valve from the inlet;
- transmission ratio of gear wheels;
- duration of valve opening in degrees of rotation of the
crankshaft: inlet and outlet.
to draw:
-the scheme of forces of the CSM;
- diagram of gas distribution phases.
Variant 1 - FORD Transit Bus engine (184).
Variant 2 - Engine of AUDI A6.
Variant 3 - Engine of KamAZ-5320.
6