Мавзу: Машиналар яратишнинг техник асослари хакида умумий маълумотлар

Topic: Basic principles of machine design.

Lecture plan

4.1.Basic principles of machine design

4.2.Design process model.

4.3.Technical and economic bases of project creation: useful work coefficient, cost, profit, profitable return, durability, reliability, economic efficiency.

4.1.Cars design main principles
Carsconstruction ways to do it
Carsconstructionplan to do one being a part of, it is a carparts are new structures mutually dependencies and forms search with depends.
Technicianoffer in the process of the car common structure from synthesis starting from,details worker drawings work until release issues in solution the following is general methods is used:

• constructive succession;
• transformationandinversion;
• heuristics.

Constructive succession-thiscaror the device in the design collected all from experience use.Because xar onecar,his xar one part of the constructors one how many descendants custom being,xar one in the structure from before the most maoslave and progressives is used.
Constructive succession from the designertechnicaltask and to the prototype a critical eye with to approach demand does.From the designercarfield of application,his a must conditions,equipment used deep knowledge demand will be done.
Thisfrom the method in use reference-alpbooms, technicianliterature andpatentfrom the data,research research works with get to know big to the point have.
Constructive successionheor this knowncarsystem new to the car not apply,because being created in construction newtechnicalsolutions(constructor materials,preparation technology,completer items and khakozoni)application planning means.
Constructorthe world look only at his own with network non-limitation need,kindred spirit and absolutely far away visible in the fields news with constant getting to know stand up need.
Famousengineer P.I. Orlovthe word with so to speak"new the car while creatingconstructorforward view,look back to throw and around clearly needs care".