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Why are CNC Machines Better than Manually Operated Ones?


The surface applications when milling and machining precision parts is concerned is the last process that receives less than the largest portion of attention.  The reasons for this is because the surface applications is used for additional functionality, protection, a polished look, and others.  Before the final delivery is made to the customer, this step is a crucial prerequisite.


These are actually "value added secondary services which are usually outsourced by small and medium sized precision manufacturing facilities.  These are finishing options which include electroplating, powder coatings, anodizing, buff polishing, metal brushing, and more.


Those who are unaware of metal working processes would think that  processing of a precision part in a CNC mill or any other highs speed machining tool, completes the whole process.  Even though these CNC mills or high speed machines work on precision part, there will still be irregularities found of the part's surface.  This is just really how it works.  Although one cannot detect these irregularities with the naked eye, it is can affect the long term functioning of the part and aesthetically, it can also be un pleasing in the long run.


So, on the machine shop floor, CNC machines are also employed in a variety of surface finishing methods to produce the most accurate and best looking parts.  The benefit of using CNC machines is that they can run continuously without stopping and the only time that you need to turn it off is when maintenance work is necessary.  Manually operated machines are very slow in comparison to this. Know more about machine shop at


Another reason why manually operated machines are being replace by CNC machines, is because these machines can be programmed with a design which can then be manufactured hundreds or even thousands of times.  It is important to the industry that parts are exactly the same and this is what CNC machines can produce.  An operator can start to supervise several machines upon completing basic training and have enough skills.


By improving the software used to drive the machines, your CNC machine can be updated.  Something that is very advantageous since machines can take any form of toxin that is generated in the final stage of metal forming.  The reasons for this is because in order to finish the parts various types of powder coating edmonton and high grade chemicals are used.


Because of the costs involved in supporting non-CNC machining operations, and some regulatory safety and environmental concerns, many machine shops, including even advanced CNC precision machining shops chooses to outsource their final stage finishing process to avoid the costly and difficult regulations that are impose by some states.  And this is especially true when it comes to anodized finishes since this involves chromic and sulfuric acids.