The common processing methods in the processing of precision mechanical parts are
Turning And Milling Parts, and some common precision parts are milling parts or turning parts. After the workpiece has been roughly cut, the entire workpiece is actually very close to the appearance and size required by the workpiece itself, but at this time there is still a lot of allowance on the surface of the workpiece for fine cutting. Smoother and more accurate in size.
Under normal circumstances, the workpiece processed by precision mechanical parts can achieve the required appearance and size of the workpiece after one rough cutting and one fine cutting. But not all workpieces need only one cut, and some parts of some workpieces may require multiple rough cuts. At the same time, there are also some workpieces whose precision requirements are not too high or the cutting amount is very small, and it may also only need one fine cutting to meet the requirements of the workpiece.
Rough cutting in the machining of precision mechanical parts requires a larger cutting force than fine cutting because the workpiece needs to be cut. Remove the allowance, and the surface properties after the effect should not be too rough.
The fine cutting of precision mechanical parts processing is to meet the requirements of the workpiece surface performance and dimensional accuracy. Therefore, the tools used for fine cutting also need to be very sharp, because the cutting amount is small, so the measurement accuracy is required. very high.
In fact, there are many parts that we can't see that are inseparable from the processing of precision mechanical parts, such as very small nuts in mobile phones, because these nuts are actually customized according to the needs of mobile phone manufacturers, and there are almost no What standard, and the precision requirements are very high, so almost all of them rely on precision machining.
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