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PREFERRED FITS AND TOLERANCES CHARTS
Preferred fits and tolerance table for hole and shaft basis systems which are given in…
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What are Hole Basis System and Shaft Basis system?
Hole Basis System and Shaft Basis system – In the Machine design process there are different components are…
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Types of fit
The three types of fit are: 1. Clearance: The hole is larger than the shaft, enabling…
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Methods of measuring surface finish
The methods used for measuring the surface finish is classified into 1. Inspection by comparison 2. Direct…
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Analysis of surface finish
The analyses of surface finish being carried out by 1. The average roughness method. 2. Peak to…
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SURFACE FINISH MEASUREMENT
When we are producing components by various methods of manufacturing process it is not possible…
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PRODUCTION DRAWING LIMITS, FITS AND TOLERANCE
Limit system There are three terms used in the limit system: 1. Tolerance: Deviation from a…
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Notes on hatching of sections
Hatching is generally used to show areas of sections. The simplest form of hatching may…
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Concept of sections, revolved and oblique sections
An orthographic projection of an object gives the external shape and details of the object…
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Pipe Thread Cutting Machine
The most important element of any machine is screw threads without screw threads. There can…