CNC (Computer Numerical Control) tools are essentially automated machines that are based on a main electronic processor for the positioning and spindling of their cutting or milling head. CNC machines may be lathes, milling centers, drillers, or multitasking turning centers that feature "live" tools. Some of the latest developments in the field also include plasma and water jet cutters.
The electronic controller reads commands that are stored into an embedded or inserted medium and executes them consecutively. These commands concern the cutting or milling head movement as well as the rotation speed of the miller, chuck or "live" tool. Besides reading commands, modern CNCs can also analyze a 3D CAD model and generate the proper sequence of commands to materialize it.
Key Benefits
The list of benefits that derives from using CNC machine tools is long, and every entry is significant for any workshop that strives to remain profitable while offering high production rates and workpiece standards.
1. Workshops don't require as many employees as before to run efficiently, as one supervisor can monitor the proper operation of multiple CNC machines.
2. No extensive training is needed for the workshop employees to cope with their day to day duties, as opposed to the years of vigorous practice that was required by lathe and mill machinists in the past.
3. CNCs are able to produce many items of the exact same design, without dimensional and geometrical deviations. Human operators, on the other hand, can't achieve such high levels of consistency no matter their skills or experience.
4. While human operators need frequent breaks and can only work for a certain period of time, CNCs know no limits as to how long they can keep producing items without stopping. Apart from short periods of maintenance, CNCs can work day and night without any problem.
5. Workpieces that require demanding multi-hour processing and vigorous dimension measurements can be produced much quicker when using a CNC as dimensions are accurately achieved without the need for measurements.
6. A CNC with "live" tools can produce items that even skilled and experienced machinists find impossible to materialize.
7. A multi-tasking CNC can produce an item that otherwise would require processing from various different machines. This can streamline the production of a demanding item and dramatically drop its production times.
Potential Issues
Although CNCs offer such great benefits to workshops, they also bring some hindrances that are important enough and require serious consideration.
1. The increased cost of acquisition of those automated machines is the main suspensive factor. The expected median profit and ROI must be carefully considered before buying a CNC. This high cost though is gradually decreasing as open source software tools are made available.
2. Another issue for consideration is the technical stupefaction that workshops who work with CNCs naturally witness. Employees are no longer required to do any mathematical or engineering calculations and are only limited to monitoring the CNCs operation.
3. CNC machines may produce a large number of wrong pieces before a supervisor notices and stops them. This can happen due to misalignments or bad calibration.
The electronic controller reads commands that are stored into an embedded or inserted medium and executes them consecutively. These commands concern the cutting or milling head movement as well as the rotation speed of the miller, chuck or "live" tool. Besides reading commands, modern CNCs can also analyze a 3D CAD model and generate the proper sequence of commands to materialize it.
Key Benefits
The list of benefits that derives from using CNC machine tools is long, and every entry is significant for any workshop that strives to remain profitable while offering high production rates and workpiece standards.
1. Workshops don't require as many employees as before to run efficiently, as one supervisor can monitor the proper operation of multiple CNC machines.
2. No extensive training is needed for the workshop employees to cope with their day to day duties, as opposed to the years of vigorous practice that was required by lathe and mill machinists in the past.
3. CNCs are able to produce many items of the exact same design, without dimensional and geometrical deviations. Human operators, on the other hand, can't achieve such high levels of consistency no matter their skills or experience.
4. While human operators need frequent breaks and can only work for a certain period of time, CNCs know no limits as to how long they can keep producing items without stopping. Apart from short periods of maintenance, CNCs can work day and night without any problem.
5. Workpieces that require demanding multi-hour processing and vigorous dimension measurements can be produced much quicker when using a CNC as dimensions are accurately achieved without the need for measurements.
6. A CNC with "live" tools can produce items that even skilled and experienced machinists find impossible to materialize.
7. A multi-tasking CNC can produce an item that otherwise would require processing from various different machines. This can streamline the production of a demanding item and dramatically drop its production times.
Potential Issues
Although CNCs offer such great benefits to workshops, they also bring some hindrances that are important enough and require serious consideration.
1. The increased cost of acquisition of those automated machines is the main suspensive factor. The expected median profit and ROI must be carefully considered before buying a CNC. This high cost though is gradually decreasing as open source software tools are made available.
2. Another issue for consideration is the technical stupefaction that workshops who work with CNCs naturally witness. Employees are no longer required to do any mathematical or engineering calculations and are only limited to monitoring the CNCs operation.
3. CNC machines may produce a large number of wrong pieces before a supervisor notices and stops them. This can happen due to misalignments or bad calibration.
About the Author:
Absolute Machine Tools, Inc. offers a wide range of CNC machines. Learn more on their website about their machine tools for sale, including lathes, deep hole drilling machines, boring machines and more!
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