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A Solution for Screw Inspections

Date: 7/23/2018 12:00:00 AM

Introduction

Developments and upgrades in electronics industries have coincided with an increase in the usage of electronic screws, which has led to greater demand for high-quality screws.

Due to electronic screws requiring comprehensive quality control checks for appearance, size, and quality, it is a time-consuming task and one that can cause fatigue to the human eye when performed manually—especially given their vast number and small size—resulting in low efficiency and human error. Replacing this task with an optical inspection solution is thus becoming a necessity.

System Requirements

The customer required screw inspection equipment that could acquire images and data to analyze whether the screws were being fabricated according to specification, all of which had to be performed in real time. The analysis results were then to be used to determine whether the screws had any defects. Defective screws were then to be routed to a screening device for removal, and the production timing and number of defects were to be recorded.

System Description

The screw inspection platform was based on the modular IPC MIC-7700 with a MIC-75M13 4-slot expansion i-Module, the system was able to manage multi-tasking between precise motor control and high-accuracy visual inspections. Installed in the system was a PCI-1274 4-axis DCP-based motor control card for connecting to servomotors.

With support for Advantech’s Common Motion API, this enabled the customer to utilize comparative trigger functions to efficiently plan for motor control. PCIE-1674E + QCAM GC1300 POE cards were also utilized to power the CCD cameras and retrieve image data. The PCI-1730 32-ch digital I/O card was also employed to connect the system to pneumatic devices and acquire signal data.

Project Implementation

  • MIC-7700 / MIC-75M13: Intel® 6th / 7th Generation Core i Desktop Compact Fanless System / 4-slot Expansion i-Module with 1PCIe x16, 3 PCI
  • PCI-1274: Basic 4-Axis Motion Control Card with Multi-Latch/Comparative Trigger Function
  • PCI-1730: 32-ch Isolated Digital I/O Universal PCI Card
  • PCIE-1674E: 4-Port PCI Express GigE Vision Frame Grabber
  • QCAM-GC1300: 0.3~15-MP PoE Industrial Camera

System Diagram

The PCI-1274’s comparative trigger function cut costs for the customer by allowing them to shorten their program development time. In addition to the benefit of adopting a total solution, this saved system integration time and accelerated the customer's development speed.With our team of application engineers providing technological support, we were thus able to satisfy this customer’s CCD needs.

Conclusion

The PCI-1274’s comparative trigger function cut costs for the customer by allowing them to shorten their program development time. In addition to the benefit of adopting a total solution, this saved system integration time and accelerated the customer's development speed.With our team of application engineers providing technological support, we were thus able to satisfy this customer’s CCD needs.