How to Improve the Placement Speed of the Pick and Place Machine?

The placement speed of the pick and place machine has been increased, and the structural improvement of the pick and place machine also improves the placement production efficiency, which can increase the profit. This is the goal pursued by every SMT pick and place processing factory. With dual tracks, the pick and place of PCB can be carried out on one track, while the process of loading can be conducted on the other track, which reduces the transport time of PCB and the stand-by time of the placement head.

1. Multiple placement head combination technology of the pick and place machine

At present, there are double-headed and four-headed arch structures that adopt both ends to drive at the same time to prevent the effect of the cantilever beam and reduce the mechanical stabilization time. The combined (or modular) multi-unit structure emphasizes the pick and place speed per unit area.

2. The placement head and suction nozzle technology of the pick and place machine

Lightning placement head with a multi-nozzle structure: there are up to 30 suction nozzles on the placement head, which is characterized by high stability and strong applicability and can achieve the pick and place of components from 0201 and 01005 components to 30mm×30mm QFP ones.

3. Motion drive and linear motor technology of the pick and place machine

Using fuzzy control technology, the movement is controlled in three stages, namely "slow, fast, and slow", which changes in an "S" shape, so that the movement becomes both "soft" and fast.

4. The rapid detection technology of the pick and place machine

The application of laser and CCD is coordinated, and there are dual cameras: chip components and large-size ICs are detected separately, which can achieve quickly image acquisition and circuits conversion.

5. The feeder technology of the pick & place machine

The feeding method of the intelligent feeder can shorten the time of component replacement and reduce manual errors. It can change materials without stopping the machine and the double-belt feeder has a large capacity. Some pick and place machines can reach the capacity of 256 feeders of 8mm and can efficiently feed materials in bulk.

6. The software technology of the pick & place machine

Various forms of PCB files are directly optimized to generate pick and place program files so as to reduce manual programming time, which is suitable for machine fault self-diagnosis systems and large-scale production integrated management systems, and can intelligently operates systems. Patented linear motor with high positioning accuracy and high repeatability, high speed and high acceleration, low working current, and high-precision control which is fast and stable (up to 55ms) is adopted.

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