Brass Plumbing Forged Male BSP NPT

The tool error measurement error of gold parts processing, the thermal deformation error of the process system. The thermal deformation of the workpiece and the tool, cutting heat, friction heat, incidental heat, etc., so many precision machine tools are placed in the Tanwen workshop, (slow wire machine, CNC machine tools, etc.). The deformation caused by the internal stress of the workpiece includes the cutting process. The residual stress in the workpiece causes plastic deformation of the workpiece. Therefore, in order to reduce the machining accuracy formed by the original error, we usually think of the machine tool to stop self-turning, self-milling, self-grinding, and self-cutting to try to restore the processing error formed by the original error. For example, the parallelism, perpendicularity and flatness of all surfaces of aluminum alloy products with a shape of 200*20*400 are processed by the old milling machine, and the flatness is within 0.03. Another example is the use of old wire cutting machine tools to process sets of parts with inner and outer circle coaxiality within 0.02, etc. When we think that the machining accuracy is uncontrollable, we must think of taking self-turning, self-milling, Self-grinding, self-cutting these methods to lift.

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