Surface Roughness and Symbols.

Surface Roughness and Symbols. 

Everyone who works in the engineering world especially the world of machining certainly familiar with symbols indicating good workmanship surface roughness levels, special treatment, welding, etc., like I am trying to write an article that I read from my blog colleague roughness of the surface and symbol pengerjaanya when in the form of drawings or pictures. 

symbol rate of the surface roughness is not only required by machining workers but peer to peer drafter to avoid any misunderstanding about the meaning of these symbols. 

The definition of surface roughness is the arithmetic average deviation of the average line profile. In the definition of ISO 1302-1978 is used to set the number of surface roughness.

1. Any surface that has undergone the process of machining will experience a certain surface roughness, for example glossy, smooth and kasar.proses machinery will determine the surface roughness at a certain level.
2. For part of the work planning, the calculation of costs, and the operator must determine the level of surface roughness, which must be achieved on the workpiece surface roughness Configuration.

According to ISO 1302 - 1978 is the surface roughness is the arithmetic average deviation of the average line profile. This definition is used to determine the price of the average surface roughness.

Coat each surface roughness.

workpiece surface which has undergone the process of machining, be it the lathe, penyekrapan, pengefraisan, will be subject to the amount of surface roughness in the state where the letters N, from N 1 of the most refined to N 12 of the most rugged in the direction former workmanship certain symbols as well, from the above determined values ​​of surface roughness on some level, whether the workpiece is shiny, smooth, or rough table surface roughness values.

Symbols directions workmanship.

For part of the work planning, the calculation of costs, and the operator must determine the level of surface roughness, which must be achieved on the workpiece, it is intended to determine the selling points of the workpiece (products) that will be sold in the market, so that it can generate value plus for the company that makes

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