High-speed Dispensing Machine

BackgroundThe application in question is a multi-station high-speed precision dispensing machine used for precise dispensing tasks in the electronics industry. It employs a line scan camera to assist in dispensing by scanning the screens of mobile phones and generate 2D graphics on the host computer. The machine utilizes a visual positioning system to enhance the accuracy of dispensing operations.

 

 


The Challenge

The customer was looking for a cost-effective, high-performance solution that could meet its need for speed, precision and acceleration while maintaining load rate within a reasonable range to maintain stability and consistency.

 


The Benefits

The high value FLEXEMATiC solution ensures the dispensing machine can maintain axis speed of ≥1.5m/s, axis acceleration of ≥1g and overall precision of ≤20μ/m. When operating at speed, the load rate remains within a reasonable range because torque and point current do not saturate. The follow-up error curve does not oscillate or overshoot when it reaches position to maintain consistency. The XY axis interpolation ensures that that the overall follow-up error remains within two threads throughout the process. The cost-effective solution delivers high accuracy and enhanced system performance.

 


The Solution

This solution utilizes an industrial computer with control cards, paired with 12 units of FV5-U Series rotary servos and 2 units of FV5-U Series direct drive servos. The motors consist of EAM Series rotary motors, with two dispensing Z-axis motors rated at 100W each, and the remaining XY axis and feeder axis motors rated at 400W each.

 

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High-speed Dispensing Machine