Application of control card in four-axis CNC drilling machine

The movement of the drill press has a special feature: the Z-to-four-axis motion is fully synchronized. In order to save costs, and taking into account the particularity of this movement, we only used a DMC303A three-axis card to control the movement of the six axes. The specific method is: the first and second axes of the DMC303A are allocated to the X and Y directions, and the signal of the third axis is distributed to the four motors of the Z direction by the frequency dividing circuit, thereby successfully implementing the simultaneous control of six. The movement of the axes. This not only reduces the cost, but also achieves the complete synchronization of the Z-to-four bit movements, which greatly improves the overall performance of the machine tool.

The control process is as follows:

When C1 is valid, the switch K1 is closed, and the Z-direction signal of the DMC 303A is sent to the driver Z1 via the frequency divider to realize selective control of the Z1 axis, and so on. When C1, C2, C3, and C4 are simultaneously active, the switches K1, K2, K3, and K4 are simultaneously closed, so that the Z-axis can move simultaneously. In view of the fact that the movement of the working axes of our four-axis CNC drilling machines Z1, Z2, Z3 and Z4 is synchronous or synchronous, the four axes can be controlled by one of C1, C2, C3 and C4. exercise. Through the application of the MPC01 series motion control card, the performance of the four-axis CNC drilling machine has been significantly improved, especially the rapidity and smoothness of the machine running.

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