Dry End QCS Scanner
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Paper Manufacturing TrainingDry End QCS Scanner

Dry End QCS Scanner

0.25 Hrs
SKU: RVCT-698

The QCS scanner is a device located just before the reel that provides continuous measurement of key dry sheet properties. This module will describe safety guidelines for working around a dry end QCS scanner, how QCS scanners operate, and different types of sensors used.

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Dry End QCS Scanner
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Course Details

Learning Objectives

• Describe safety hazards and safe work practices associated with a dry end QCS scanner • Explain how QCS scanners operate • Identify and describe the type of sensors used to measure moisture, weight, and caliper • Explain how moisture, weight, and caliper profile issues are handled by the control system • List the benefits of improved profiles

Specs

Course Level
Intermediate
Languages
English, Portuguese, French, Russian
Compatibility
Audio, Video
Based on:
Industry Standards and Best Practices

Author | Vector Solutions

With over two decades of experience designing advanced 3D animated courseware and developing our proprietary learning management software, we pride ourselves by having developed over 1,000 safety and operations training modules, which have helped train over 250,000 workers worldwide. Our highly experienced team provides the industry with a simple and high-quality means of training their workforce. Whether your team consists of 25 people or an enterprise with thousands, we’re here to help.

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Frequently Asked Questions

What variables are typically measured by dry end QCS scanners?

Commonly measured variables include moisture, basis weight, and caliper. Both machine direction and cross-machine direction results are reported.

Can I work safely around a dry end QCS scanner that contains a radioactive measuring device?

Even though they are shielded and emit only very low levels of radiation, avoid working on or near the scanner heads for an extended period of time in order to minimize your exposure risk. Only qualified technicians should clean or work on the sensors and scanner heads.

Where are caliper adjustments made on the machine?

Caliper profile adjustments can be made at a calender stack, either by changing a roll deflection or using a zone profiling system.

Are any of the profiled variables related to each other?

Typically, there are interactions between the profiled variables. For example, if there is a high weight zone, that zone will mostly likely experience high moisture. There may also be a caliper issue in that zone.

What are the benefits of flatter sheet profiles?

A dry end QCS scanner system can yield benefits in costs, sheet quality, and machine productivity. Improved runnability is related to all of these, and is perhaps its biggest benefit.

Sample Video Transcript

The QCS Scanner is a device located just before the reel that provides continuous measurement of key dry sheet properties. The scanner consists of two heads and a support frame. Sensors are installed on the heads, which are mounted on opposite sides of the sheet directly across from each other. The two heads move back and forth across the sheet together and send their results to the QCS computer. The data that is measured and recorded is compared against set points and used to make required adjustments to the process.

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