The machining of parts is done with the help of computers capable of controlling the machinery. And with the emergence of CNC cutting machine , it is possible to automate this process thanks to the ease of control by a computer program with minimal human intervention.
Its use expands to assembly operations, inspection, work on metal sheets, among others. It can be applied to any field. CNC or numerical control machining is used more than anything in metal or aluminium machining processes such as drilling or milling.
Thanks to its automation capabilities, manufacturing proceeds at an accelerated rate and produces more accurate results.
Among the most common CNC machines are milling machines, grinding machines and lathes. Milling machines are automatic cutting machines capable of working even with metals. Lathes are automated tools that rotate on their axis to shape the material.
Meanwhile, using abrasive disks for machining by abrasion on metal or plastic. These machines are easy to program and used in CNC machining projects that do not need precision.
Numerical control machining technology contains information related to the position where the machine parts are to be placed. Currently, most of these tools are connected to a computer network where they receive all the instructions.
Thanks to the automation of CNC machining, its use extended to different industrial sectors such as wind power, aeronautics and even rail, where CNC milling machines mold landing gear and fuselage components.
Many industries turn to the CNC machining centre to combine different operations on the same machine. Of course, it must meet the needs of roughing, semi-finishing and part finishing operations using multiple heads with automatic change.
First, make a list of what’s most important. Without this foundation, you can spend all day working at top speed and still feel like you are falling behind if you haven’t worked on the right things.
Manage multiple construction projects will have different priorities, and tasks within those projects will also have different priorities. What is really important and what’s just a nice-to-have? Identify that right away. Then, you can plan your time and your team’s time around the most critical tasks for a project.
High operating costs: Although CNC machines reduce the number of manual workers required in a manufacturing plant, they are more expensive to operate. However, the costs associated with running the machines are gradually decreasing.
Training need: initially, the generalization of CNC machining led to high unemployment, as the need for manual workers was reduced. However, with proper training, this system creates new specialized employment opportunities. It requires CNC machine tool operators, programmers, maintenance personnel, and machine tool manufacturing engineers and technicians and trainers to teach its operation.
CNC machining allows doing practically everything previously done manually: placing the drill bit on the axis, activating it, placing the part machined in the machine, machining it and turning off the axis. Once the machine tool configures by CNC and put into operation, it requires little operator intervention. You can even automate the part loading process.
Any CNC machining machine tool allows two or more movement directions to program (axes, which can be linear – along a straight line – or rotary – along a circular path). Common linear axis names are X, Y, and Z. Common rotary axis names are A, B, and C. The more axes the machine has, the more complicated it is. In drilling, the three linear axes would position the tool over the hole to machine in part on the X and Y axes and machine the hole with the third Z-axis.
Although all CNC machining machines’ fundamental function is to control movement according to axes, what gives value to each machine is not moving the part in two or more axes, but the programmable accessories that it carries. , which make them multiply their functions.
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