Background: A printing company manufactures various types of materials for the gaming industry and distributes these games to a worldwide audience. This customer prints dozens of different types of cards, and deals with thousands of different colors and finishes on their printed materials. The Problem: The customer runs a continuous web of material through their printing presses and would like to run uninterrupted for a full 24 hours per day of manufacturing time. Ideally, the only downtime they expect is a manual change of rolled material when the previous roll is exhausted. They needed a sensor that could constantly detect presence of the material running through the press without any failures. To make matters more difficult, they could only use a one-sided sensor and could not mount any type of sensing element underneath the web of material. Due to the variety of color and finish on their printed materials, conventional diffuse and reflective sensors had consistently failed. Furthermore, to avoid potential mechanical damage to the sensor it would need to be located at least four inches away from the web. This eliminated other detection options that could only operate within very close proximity to the printed material. Failure of all existing sensor options had caused thousands of dollars in damaged product due to false rejects and improperly spliced material. They were also forced to employ an operator to oversee this line in the hopes of manually preventing damaged material, adding tremendous labor cost to their operation. The Solution: This customer’s local KEYENCE partner was aware of the previous problems with conventional reflective sensors and proposed the GV-H130 upon its release. The GV had the unique ability to detect the printed material based on the location rather than the surface color or finish. Pairing this aspect with its long-range sensing distance, the GV looked to be a perfect solution for the problem. The customer now had a “set it and forget it” approach to the sensing of their material and could eliminate damaged material as well as operator oversight on their lines. The Results: The customer initially purchased two sets of the KEYENCE GV-H130 for further testing in their facility. The primary test runs indicated that the sensor solved their issue and would allow them to eliminate downtime and waste on their production lines. They have since purchased and implemented this solution on 18 lines across two different manufacturing facilities. They have drastically decreased their scrap rates and have been able to eliminate damaged product due to sensor failure. Most importantly, the customer has been able to deploy the line operator to another part of the facility where their services were in more demand and reduced labor cost of the line as a result.		Case Studies Case Study Index KEYENCE Corporation Wins Prestigious R&D 100 Award for VHX-1000 Digital Microscope Quick and Precise Measuring Functions Significantly Reduce Investigation Time Zero Downtime Saves Company from Headaches Low Cost Solutions: Improved Processes and Increased Customer Confidence Affordable and 100% Reliable Measurement for Steel Manufacturer Small Optical Sensor Solves Big Product Line Issues Eliminate Downtime and Waste on Production Lines Non-contact Measurement Sensors Reduces Scrap, Provides 100% Inspection Contact Sensors Prevent Automobile Part Defects Cost Effective Stand-alone Terminals for Lower Costs Challenge of Developing a New Product in an Untested Field Metal Product Manufacturer Saves $100K

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