Types of interchangeability. Definition of interchangeability. Complete, incomplete

1. 
   Basic concepts and definition
   

Definition, parameter, type of interchangability. difference between external and internal interchangeability

2. 
   Types of interchangeability.
   

Definition of interchangeability.
Complete, incomplete interchangability.

3. 
   Concepts about dimensions and deviations.
   

Definition of dimention. Limit and noiminal dimnetion. Definition of deviation. Upper and lower deviation.

4. 
   Schematic designation of tolerance fields.
   

Definition of tolerance. General idea of tolerance, tolerance bands,

5. 
   Deviations and tolerances of the shape of cylindrical surfaces Landings with clearance.
   

6. Landing with interference.
7. Transitional landings.
8. Types of errors and reasons for their occurrence.
Definintion of errors. Error value. Types of errors.
9. Influence of waviness and roughness on the reliability and durability of machines.
10. . Roughness parameters.
Maximum height of the profile. Arithmetical mean deviation of profile Ten-point height of profile irregularities. Mean spacing of profile irregularities Mean spacing of profile irregularities in crests Relative reference length of profile l

11.
12. Limit calibers.
13. Selective assembly method.
14. Solution of the problem