Machinists utilise their skill and expertise to produce the most aesthetically pleasing and accurate components possible. They take pride in their work as do their clients. A good surface finish and the general look of parts are very important aspects which require the most ideal machining practices to be used. So how do machinists get the results they want? The following is by no means extensive but it give a little insight:
Use an insert with a wiper
If you can, make sure your manufacturer uses an insert with a wiper. These have a flat section like the second image in the diagram above. This flat part ensures that the surface is wiped smooth as the tool moves across the outside of the part. You can also avoid a finish that has thread elements to it.
Increase the speed
When using cutting tools a rise in the speed of the tool will make sure that your part is touching the tip of the tool for a smaller time period. This minimizes the material build-up on the end of the tool which can in turn make the surface finish less than ideal.
Reduce pauses
When a tool stops while it is still touching the surface it can leave a mark on the part. If you make sure to minimise the number of pauses and hesitations of your tool you can ensure a better surface finish. You may need to change the entire manufacturing procedure.
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