In addition, the release address of the exam outline is /hityzb/newslist.jsp? cla 1= 1。 Cla= 13 Up to now, there are only contours of 09 and 10, which can be used for reference. You can also check this website at any time to see the latest outline.

This information can be found in the following ways: Baidu-> Harbin Institute of Technology-> Home Page-> Enrollment and Employment-> Master Enrollment-> Admissions Guide;

I hope it works for you. I was also admitted to Harbin Institute of Technology. Good luck!

The summary of 10 is as follows:

20 10 Master's Entrance Examination Outline

Name of Examination Subject: Mechanical Design Foundation Examination Subject Code: [839]

First, the examination requirements:

Candidates are required to systematically and deeply master the basic knowledge, theories and calculation methods of mechanical principles and mechanical design, and be able to use them flexibly, with the ability to analyze and solve common mechanisms, general mechanical parts and simple mechanical device design problems.

Second, the examination content

1) mechanical principle part

A) structural analysis of mechanism

Elements of organization; Calculation of degree of freedom of mechanism; The significance of the degree of freedom of the mechanism and the conditions for the mechanism to have certain movement; Composition principle of planar mechanism.

B) Analysis and design of planar linkage mechanism

Analytical method of motion analysis of planar mechanism: instantaneous center of velocity method of velocity analysis of planar mechanism: friction in motion pair, calculation of mechanical efficiency, mechanical self-locking; Dynamic and static analysis of planar mechanism: basic form, evolution and basic knowledge of planar four-bar mechanism; Design of planar four-bar mechanism.

C) cam mechanism and its design

The choice of follower motion law and the design principle of cam profile; Design of disc cam with spiral roller direct-acting follower: Design of disc cam with spiral roller oscillating follower: Design of disc cam with flat-bottom direct-acting follower: Determination of basic dimensions of disc cam.

D) gear mechanism design and gear train transmission ratio calculation

The basic law of tooth profile meshing, the formation of yoke tooth profile and the properties of involute; Calculation of basic parameters and geometric dimensions of involute spur gear: machining principle, undercut and displacement of involute tooth profile; Meshing transmission of a pair of involute gears: helical cylindrical gear transmission: gear train transmission ratio calculation: planetary gear train design.

E) other commonly used institutions

Characteristics and applications of ratchet mechanism, sheave mechanism, incomplete gear mechanism and universal hinge mechanism.

F) the operation of the machine and the adjustment of its speed fluctuation

The establishment of equivalent dynamic model of mechanical system: the real motion law of machinery; Adjustment of mechanical periodic speed fluctuation.

G) mechanical balance

Calculation and test of static balance and dynamic balance of rigid rotor.

2) Mechanical design part

A) threaded connection

Basic knowledge of thread and thread connection, tightening and loosening of bolt connection, strength calculation of single bolt connection, structural design of bolt group connection, stress analysis of bolt group connection, and measures to improve the strength of bolt group connection.

B) belt drive

Types, working principles, characteristics and applications of belt drive, specifications and basic dimensions of commonly used V-belts and V-pulleys, theoretical basis of belt drive, including geometric dimensions, stress analysis, elastic sliding and slipping, failure forms and design criteria of belt drive, and design of commonly used V-belt drive.

C) gear transmission (focusing on cylindrical gear transmission)

Failure forms and design criteria of gear transmission, common materials and heat treatment methods of gear transmission, calculation load of gear transmission, force analysis of gear transmission, calculation of bearing capacity of gear transmission, including calculation of contact fatigue strength of tooth surface and bending fatigue strength of tooth root, design of gear structure and cylindrical gear transmission, including selection and determination of main parameters, calculation of geometric dimensions and structural design. Force analysis of bevel gear drive and worm drive.

D) axis

Classification of shaft and its stress and stress analysis; Material of the shaft; Preliminary calculation of shaft diameter; Structural design of the shaft; Calculation of combined bending and torsion strength of shaft: Hub connection (with emphasis on ordinary Ping Jian connection).

E) rolling bearing

Structure, types, characteristics and selection of rolling bearings; Rolling bearing code (emphasis is on basic code); Check and calculation of bearing capacity of rolling bearing, including failure form and calculation of basic rated life; Combination design of rolling bearing components (mainly structural design).

F) Basic knowledge of tribology and sliding bearing

Classification, mechanism, characteristics and influencing factors of friction and wear; The basic concept of hydrodynamic lubrication; Types of lubricants and their main performance indexes; Structure, types and characteristics of sliding bearings; Bearing material and structure; Calculation of non-liquid friction sliding bearing, etc.

Third, the examination paper structure

A) Examination time: 180 minutes, full mark 150 points (70 points for mechanical principle and 80 points for mechanical design).

B) Question structure: 20 points for fill-in-the-blank questions, 20 points for short answer questions, 90 points for analysis and calculation questions, and 20 points for structural design questions.

Four. philology

1 edited by Wang Zhixing and Liu Tingrong. Mechanical principle. Beijing: Higher Education Press, 2000.

Sun Huan, edited by Chen Zuomo. Principles of machinery, 5th edition. Beijing: Higher Education Press, 1996.

3 Chen Tieming, edited by Wang Lianming. Mechanical design. Harbin: Harbin Institute of Technology Press, 2003.

4 Pu and Ji Minggang. Mechanical design, 7th edition. Beijing: Higher Education Press, 1998.