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What do you think of when you hear about precision CNC machining services? Isn't all CNC machining "precision"? In a sense, yes. CNC machining allows you to manufacture a large number of very precise parts relatively quickly. However, it is much more than that.
General CNC machining usually refers to computer digital control precision machining, CNC machining lathes, CNC machining milling machines, CNC machining boring and milling machines, etc. CNC machining is a new type of machining technology. The main job is to compile machining programs, that is, to convert the original manual work into computer programming. CNC machining refers to the machining performed with CNC machining tools. CNC index-controlled machine tools are programmed and controlled by CNC machining language, usually G code. The CNC machining G code language tells the CNC machine tool which Cartesian position coordinates to use for the machining tool, and controls the tool feed rate and spindle speed, as well as tool changer, coolant and other functions.
Precision CNC machining services are sometimes considered to mean that the manufactured part is very close to the specifications/geometry of the intended design. Technically, it's not wrong, but it's more accurate to say accuracy. There is a subtle but important difference between the two terms, which we cover in more detail in the next section. CNC machines are very capable and produce parts that are accurate enough for many applications, but sometimes not. When you add precision to the mix, you can take it to the next level. This brings us to the real question: what is a precision CNC machining service?
Precision and accuracy are often confused and used interchangeably. Both are indeed related to quality, but they each have their own unique meaning. Accuracy refers to being close to or exactly close to the target value (and is also considered by many to be the definition of precision). Accuracy is actually the ability to replicate consistent parts across a high volume production cell.
The key lies in "mass production units". Precision CNC machining services refer to multiple or multiple units. You can have one exact part, but you have to have many parts to measure and compare to call it accurate. For example, if someone asks to create a single part using a precision machining CNC, it is counterintuitive because the "precision" in machining would involve multiple parts.
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