CNC Parts
There are two types of motors; stepper or servo motors. This is how we create motion. These motors drive our various axis on our CNC machine. While we are moving our axis, there is generally a cutting tool of some sort removing material. This is the machining process coupled with CNC.
Here is a brief description of the two types of motors generally used in CNC:
Stepper motors:
Simple design
Easy to use
Generate torque at low rpm
Do not know their position in relation to the program
Servo Motors:
Generate torque at high RPMs
Generally need gearing of some sort to be effective
More sophisticated
Can maintain their relative position, thus, they can be more accurate
There are a number of parts that go into a CNC Machine. You need a computer, controller and then the machine. The machines will also consist of various parts.
Then CNC Machine will have Parts like:
Ball Screws
Linear Rails
Gears
Rack
Steel
Motors
What is a Machine Controller?
Controllers generally stand alone near the CNC machine. They act as a translator between your control computer and your CNC machine. Generally, they add quite a bit of cost to a CNC machine as well. Controllers can cost anywhere from $1000-$20,000 or more depending on their sophistication.
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Wednesday, November 21, 2007
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