Beijing University of Chemical Technology
《Engineering Materials and Manufacture Technology Ⅲ》Syllabus
Course Information
| Course Code： | | ||
| Course Name(in Chinese)： | 工程材料及机械制造技术 Ⅲ | ||
| Course Name(in English)： | Engineering Materials and Manufacture Technology Ⅲ | ||
| Course Category： | Basic Major Courses | ||
| Target Studendts： | Mechanical Engineering | ||
| Term Avaiable： | Autumn | ||
| Total Credit Hours： | 24 (including 6 credit hours of experiment) | ||
| Total Credits： | 1.5 | ||
| Prerequisites（Course Code）： | Modern Engineering Drawing；Mechanical Principle；Mechanical Design | ||
| Parallels（Course Code）： | Probability Theory & Mathematical Statistics, Modern Detection Technology | ||
| Course Descriptions： | This course is one of basic major courses of Mechanic Engineering for undergraduate students. This course familiarizes the students with the basic concepts and principles of interchangeability and detection technology, including fundamentals of tolerance and fit, measuring methods of distance, shape and position tolerance, tolerance and fit of standard parts and their selecting criterion. | ||
| Textbooks Recommended： | Nianzhao Liao．Interchangeability and Measurement Technology．（The 5th Edition）．Beijing：China Metrology Publishing House，2007 | ||
| Supplementary Materials: | [1] Boping Wang．Interchangeability and Measurement Technology．Beijing：China Machine Press，2009 [2] Jinhong Han．Interchangeability and Basic of Measurement Technology．Beijing：China Forestry Publishing House，2010
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Learning Goals and Objectives
1. The student will grasp the basic concept and principle of tolerance and detection technology and learn the design methods of tolerance and fit. They will learn to select the suitable detection devices and instrument.
2. The student will understand the basic concept and theories about cylindrical tolerance and fit and be skilled in the hole-based system of fit and axis-based system of fit;
3. The student will learn the basic concept and terms of distance measurement and learn to use suitable method of data processing;
4. The student will learn the basic concept and principle of shape and position tolerance and grasp the tolerance principle including absolute principle, maximum material principle and minimum material principle;
5. The student will learn the basic concept and national standards of surface roughness and grasp selecting methods;
6. The student will understand actual engineering application and grasp “Taylor principle”;
7. The student will grasp the tolerance and fit of typical parts and their detection methods, such as rolling bearing, screw threads, key and spline, cylindrical gear and so on;
8. The student will grasp experimental measuring methods of shape and position tolerance and design the tolerance and fit for the parts in order to settle the actual engineering problems by looking up mechanical engineering handbook.
1. The student will grasp the basic concept and principle of tolerance and detection technology and learn the design methods of tolerance and fit. They will learn to select the suitable detection devices and instrument.
2. The student will understand the basic concept and theories about cylindrical tolerance and fit and be skilled in the hole-based system of fit and axis-based system of fit;
3. The student will learn the basic concept and terms of distance measurement and learn to use suitable method of data processing;
4. The student will learn the basic concept and principle of shape and position tolerance and grasp the tolerance principle including absolute principle, maximum material principle and minimum material principle;
5. The student will learn the basic concept and national standards of surface roughness and grasp selecting methods;
6. The student will understand actual engineering application and grasp “Taylor principle”;
7. The student will grasp the tolerance and fit of typical parts and their detection methods, such as rolling bearing, screw threads, key and spline, cylindrical gear and so on;
8. The student will grasp experimental measuring methods of shape and position tolerance and design the tolerance and fit for the parts in order to settle the actual engineering problems by looking up mechanical engineering handbook.
Course Content and Requirments
1．Basic concepts and principles of Interchangeability and detection technology（4 Credit Hours）
Basic terms of tolerance and fit; principles of tolerance; national standard of tolerance and fit; hole-based system of fit and axis-based system of fit selecting criterion of tolerance and fit;
2．Measuring methods of distance（2 Credit Hours）
Basic terms and methods of distance measurement; methods of measurement and data acquisition & processing;
3．Shape and position tolerance（4 Credit Hours）
Types of shape and position tolerance and the label of tolerance; Selection of shape and position tolerance; Detection methods of shape and position tolerance; tolerance principles including absolute principle, maximum material principle and minimum material principle;
4．Surface roughness（2 Credit Hours）
National standard of surface roughness; Selection of parameters of surface roughness and its measuring methods;
5．Plain limit gauges（2 Credit Hours）
Taylor principle; Detection method using plain limit gauges;
6．Rolling bearing（3 Credit Hours）
Accurate level of rolling bearing; tolerance and fit of rolling bearing; Selection of rolling bearing connected with hole & shaft;
7．Screw threads（3 Credit Hours）
National standard of interchangeability of screw threads; inner and outer screw taper measuring and detection standards; labeling methods of screw threads;
8．Key and spline（2 Credit Hours）
Types and usage of key links; tolerance and fit of key links and their labeling methods;
9．Cylindrical gear（2 Credit Hours）
Machining error of cylindrical gear and its detection; errors of gear pair and the evaluation index; the main factors infecting gear precision;
1．Basic concepts and principles of Interchangeability and detection technology（4 Credit Hours）
Basic terms of tolerance and fit; principles of tolerance; national standard of tolerance and fit; hole-based system of fit and axis-based system of fit selecting criterion of tolerance and fit;
2．Measuring methods of distance（2 Credit Hours）
Basic terms and methods of distance measurement; methods of measurement and data acquisition & processing;
3．Shape and position tolerance（4 Credit Hours）
Types of shape and position tolerance and the label of tolerance; Selection of shape and position tolerance; Detection methods of shape and position tolerance; tolerance principles including absolute principle, maximum material principle and minimum material principle;
4．Surface roughness（2 Credit Hours）
National standard of surface roughness; Selection of parameters of surface roughness and its measuring methods;
5．Plain limit gauges（2 Credit Hours）
Taylor principle; Detection method using plain limit gauges;
6．Rolling bearing（3 Credit Hours）
Accurate level of rolling bearing; tolerance and fit of rolling bearing; Selection of rolling bearing connected with hole & shaft;
7．Screw threads（3 Credit Hours）
National standard of interchangeability of screw threads; inner and outer screw taper measuring and detection standards; labeling methods of screw threads;
8．Key and spline（2 Credit Hours）
Types and usage of key links; tolerance and fit of key links and their labeling methods;
9．Cylindrical gear（2 Credit Hours）
Machining error of cylindrical gear and its detection; errors of gear pair and the evaluation index; the main factors infecting gear precision;
Assignment
Homework is assigned every week and the total number is about 20. And the times of homework missing is more than 50% of total times of homework, which has an bad effect on the asses**ent.
Evaluation Approaches
Closed book exam
Asses**ent System
Five point scale: excellent, good, medium, pass and fail;
50% of total score is homework and experiment；50% of total scores is final examination.
Five point scale: excellent, good, medium, pass and fail;
50% of total score is homework and experiment；50% of total scores is final examination.