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Language: English French
Great for trainers or groups who need unlimited online access to multiple courses. Available in two ways:
Paper Machine Auxiliary Systems Series (Details)Includes 8 courses for $299/year. Paper Library (Details)Includes 95 courses for $1,499/year.
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Training Time: 15 minutes
Compatibility: Desktop, Tablet, Phone
Based on: Industry Standards and Best Practices
Languages: English, French
Various types of showers are installed around the wet ends of paper and board machines to keep the fabrics and other surfaces clean and lubricated. Wet end shower systems should be monitored and maintained on a regular basis to ensure their optimal performance. This module will give you a better understanding of wet end showers and how they function in paper machines.
Felt Cleaning and Conditioning
View Course
Felt Tensioning and Guiding
Fourdrinier Design and Operation
Wet End Chemistry Basics
Wet End Edge Trimming
The following key questions are answered in this module:
What is the purpose of the showers at the wet end of a paper machine?Showers keep the wet end fabrics clean and open, provide lubrication between moving and stationary elements, and prevent stock buildup and deposits on surfaces
How much water should be used in a flooding shower?For optimal results, the shower flow should exceed the void volume of the fabric, which can be provided to you by the fabric supplier.
Where are high pressure showers used on the wet end?High pressure showers are typically installed on the wire run and on the sheet-contacting surface of each wet felt, and often on grooved and drilled roll covers.
Why are high pressure showers oscillated in the cross-machine direction?To provide uniform coverage and prevent damage to the fabrics and roll covers.
When are flushing showers in suction rolls used?High volume flushing showers are used to flush out the openings in suction roll shells when the sheet is off.
Below is a transcript of the video sample provided for this module:
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