![]() ![]() It can all get very confusing and overwhelming but don’t quit on me now. Tooling manufacturers will provide you with suggested numbers whether it be surface feet per minute, chip load per tooth, revolutions per minute, inches per minute or any combination of those and more. There are an immeasurable number of variables with any cut, all the way down to the atmospheric conditions in the shop. Any common formula you are going to use in the machine shop will provide you with the information you need to approach the cut appropriately but remember to always treat that number as a starting point. However, one very important lesson I have learned is to respect the variables. ![]() Whether you are programming a 5-axis CNC machine or turning handles on a 60 year old knee mill the numbers don’t lie. One of the more common problems I have seen in my years in the machine shop is a general lack of readily available and handy information on machine shop math – specifically on feeds, speeds and related formulae. Machine shop math is an important consideration for CNC programmers and machinists. ![]()
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