Analysis of the Reasons and Mainstream Control Methods of Pick-up Offset in Automatic Mounter

Ⅰ. What are the reasons for the accidental pickup deviation of the automatic placement machine?

The automatic placement machine has high placement accuracy, and performs high-speed and accurate placement through automated control and program operation.

1. The X-axis and Y-axis parameters are wrongly input (re-adjust the parameters to normal values).

2. Mark point is out of place or dirty. In particular, contamination can easily lead to inconsistent placement accuracy of each substrate (reset the position of the mark point and try to keep the mark point as clean as possible).

3. After setting the data, the order of BOC calibration and teaching is wrong (first "BOC calibration", and then teaching "SMD data").

4. The input of CAD data patch coordinates or mark point coordinates is incorrect (re-adjust the data to a fixed direction or value, usually based on 0.1mm).

Ⅱ. What is the mainstream control method of automatic placement machine?

The control method of the automatic placement machine is the distributor control system and the software control system. Let us tell you in detail below.

1. PLC control system

Plc control system is a familiar vocabulary in the field of automation. The automatic placement machine controlled by PLC is easy to use, simple to program, high reliability and strong anti-interference ability. Disadvantages The control system has a simple structure, and is a little powerless in the face of large-scale and complex equipment control.

2. Motion controller

The motion controller can be used to control the X-axis, Y-axis, and Z-axis motion. The motion controller can be developed by the manufacturer itself, or it can be outsourced. Generally speaking, the circuit with complex process is generally controlled by a control card.

The importance of motion control system to equipment is self-evident. Servo motor, the motion trajectory of X-axis, Y-axis, and Z-axis are all affected by the motion control system. In addition, the motion control system manages subroutines and provides precise control signals for electric motors or other power and actuation devices.

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