几何量公差与测量技术基础 机械工程 张彦富 等 编 新华正版
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作者张彦富 等 编
出版社北京航空航天大学出版社
ISBN9787512418424
出版时间2015-11
版次1
装帧平装
开本16
页数235页
字数397千字
定价55元
货号xhwx_1201259717
上书时间2024-03-31
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目录：
chapter 1introduction
1.1interchangeability
1.1.1interchangeability and its advantages
1.2standardization
1.2.1standard and standardization
1.2.2related standards on geometrical interchangeability
1.3series of preferred values
1.4what we can learn from this course
questions
excercise
chapter 2limits and fits of in workpiece
2.1basic terms and definitions
2.1.1terms and definitions about geometrical features
2.1.2shaft and hole
2.1.3terms and definitions about size, deviation, tolerance
2.1.4terms and definitions about fits
2.2standards of limits and fits
2.2.1fit system
2.2.2symbols, designation and indication on engineering drawings
2.2.3standard tolerance series
2.2.4series of fundamental deviation
2.2.5standardization of tolerance classes and fits
2.3selection of limits and fits
2.3.1selection of basic system of fit
2.3.2selection of standard tolerance grades
2.3.3selection of fits
2.3.4calculation method
2.4general dimension tolerance
2.4.1general tolerances of linear sizes
2.4.2indication of general tolerance on drawing
2.4.3general tolerance grades and values
questions
exercises
chapter 3fundamentals of geometrical quantity measurement
3.1introduction
3.1.1concept of measurement and inspection
3.1.2measuring processing
3.2measurement standard~datum~data and dissemination of length and angle..
3.2.1standard of length and angle
3.2.2dissemination system of length and angle
3.2.3gauge blocks and their applications
3.3metrological equipment and measurement methods
3.3.1metrological equipment
3.3.2measurement methods
3.4measurement error and data treatment
3.4.1designation of measurement error
3.4.2source of measurement error
3.4.3kinds and properties of measurement error
3.4.4measurement accuracy/precision
questions
exercises
chapter 4geometrical tolerances
4.1general
4.1.1cause of geometrical error and effects on performance
4.1.2basic terms and definitions
4.1.3symbols and characteristics of geometrical tolerances
4.1.4geometrical tolerance zone
4.2indication of geometrical tolerance on engineer drawings
4.2.1tolerance frame
4.2.2indication of datum on engineering drawings
4.2.3indication of toleranced features
4.2.4theoretical exact dimension (ted)
4.3definition of geometrical tolerances
4.3.1definition and characteristics of form tolerances
4.3.2definition and characteristics of orientation tolerances
4.3.3definition and characteristics of location tolerance
4.3.4definition and characteristics of run-out tolerance
4.4tolerance principles
4.4.1terms and definition about tolerance principle
4.4.2independency principle
4.4.3envelope requirement (er)
4.4.4mamum material requirement (mmr)
4.5assessment and measurement of geometrical deviations
4.5.1assessment of geometrical deviation
4.5.2establishment and embodiment of datum
4.5.3measuring prescriptions of geometrical deviations
4.6selection of geometrical tolerance
4.6.1general
4.6.2selection of datum
4.6.3selection of geometrical principle
4.6.4selection of geometrical tolerance value
4.7general geometrical tolerances
4.7.1general geometrical tolerances grades
4.7.2indication of general geometrical tolerance
questions
chapter 5surface roughness
5.1introduction
5.2basic terms and definitions
5.3main evaluation parameters of surface roughness
5.3.1amptitude parameters (peak and vallye)
5.3.2spacing parameters
5.3.3curves and relative parameters
5.4principles for selecting surface roughness parameters
5.5graphical symbols and notation
5.6indications of surface texture requirements on engineering drawing
5.7measurement techniques
5.7.1method of paring with standard sample
5.7.2light section method
5.7.3interferometric method
5.7.4stylus instruments
5.7.5optical instruments
exercises
chapter 6measurement of in workpieces
6.1basic concepts
6.1. iworkpiece inspection principles, safety margins and acceptance limits
6.1.2selection of measurement tools
6.2in limit gauges
6.2.1functions and kinds of in limit gauges
6.2.2design principle of in limit gauges
6.2.3tolerance of the in limit gauge
6.2.4design ste and calculationof the limits size
questions
exercises
chapter 7tolerances and fits of rolling bearing
7.1general
7.2introduction of rolling bearings
7.2.1construction and classification of rolling bearing
7.2.2analysis of working performance of rolling bearings
7.2.3internal clearance of rolling bearings
7.2.4tolerance grades of rolling bearings and applications
7.2.5tolerance zone of rolling bearings
7.3selection of tolerance and rolling bearings fits
7.3.1selection of rolling bearing fits
7.3.2geometrical tolerance requirements for shafts and holes fitted with rolling bearings
7.3.3surface roughness requirements of shafts and holes fitted with rolling bearings
exercises
chapter 8tolerances and measurement of cylinder screw
8.1introduction
8. 1.1classification and requirements of thread
8.1.2basic mon thread tooth type and geometrical parameters
8.2influence of thread geometrical deviation on thread interchangeability
8.2.1influence of pitch diameter deviation △d2a, △d2a on thread interchangeability
8.2.2influence of pitch deviation on screw thread interchangeability
8.2.3influence of thread half angle deviation △α/2 on screw thread interchangeability
8.2.4calculation of virtual pitch diameter
8.2.5conditions to guarantee the screw thread interchangeability
8.3general pure screw threads-tolerance zones for screw thread
8.3.1tolerance grades
8.3.2fundamental deviation (tolerance itions)
8.3.3length of thread engagement
8.3.4thread selection, tolerance zone and fits
8.3.5thread marking
8.3.6inspection of screw thread
questions
exercises
chapter 9tolerances and fits of keys and splines
9.1tolerances and fits of rectangular keys connection
9.1.1introduction of rectangular keys connection structure
9.1.2tolerance and fits of the rectangular key connection
9.2tolerances and fits of straight-sided spline connection
9.2.1introduction of spline connection structure
9.2.2designation
9.2.3tolerances and fits of straight-sided spline connections
questions
exercises
chapter 10accuracy design of cylindrical involute gear
10.1general
10.2evaluation parameters of cylindrical involute gear
10.2.1definition of evaluation parameters
10.2.3allowable values of every deviation of cylindrical involute gears
10.3accuracy design of cylindrical involute gears
10.3.1selection of accuracy grade
10.3.2selection of evaluation parameters
10.3.3detemination of gear backlash
10.3.4detemination of gear pair precision
10.3.5detemination
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