With the continuous progress of our technology, CNC machining methods are becoming more and more accurate, so let's take a look at the acceleration and deceleration control of CNC machining.
In CNC machining, the specific automatic acceleration and deceleration control functions are generally realized directly by the system program.
In this way, it is necessary to change the acceleration and deceleration characteristics of the system or to modify the numerical control program of the acceleration and deceleration control, so ordinary users cannot make the numerical control machine tool have better acceleration and deceleration performance according to their own wishes. Therefore, we propose the flexible acceleration and deceleration control method of CNC precision machining, which adopts the principle of the database, divides the acceleration and deceleration control into two parts: description and implementation of acceleration and deceleration, and separates the acceleration and deceleration description from the system program.
In the numerical control system software, a general control channel that has nothing to do with the content of the acceleration and deceleration database is designed, which independently completes the calculation and trajectory control of acceleration and deceleration.
Set the acceleration curve, analytical curve and non-analytical curve, and store them in the acceleration and deceleration curve library as a template in the form of a number table.
The acceleration control is also stored in the acceleration and deceleration curve library as a template in the form of a number table. Reasonable automatic acceleration and deceleration control is an important link to ensure the dynamic performance of CNC machine tools.
The traditional automatic acceleration and deceleration control based on fixed curve lacks flexibility, and it is difficult to ensure that the acceleration and deceleration process cooperates with the performance of the machine tool, and it is difficult to achieve the best dynamic characteristics of the machine tool movement.
The above is the introduction of the acceleration and deceleration control of CNC machining. For more knowledge and more details, please consult us.
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