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Care, handling, storage and cleaning of stainless steel headboxes
Under normal conditions, stainless steel is corrosion resistant due to a protective chrome oxide film. However, special care should be taken when storing, handling and cleaning stainless steel, especially in headboxes.
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Review this brief list of calendering terms and definitions
Several terms are in common use to describe calendering equipment, including general operation, temperature control systems and frame design types. This article provides a brief list of terms and definitions.
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Follow safety rules when handling spools and parent reels
Due to the size and weight of parent rolls and reel spools, handling accidents can cause serious injury or death and costly equipment repairs. However, handling accidents can be avoided if basic safety rules are followed.
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Airide maintenance - construction, assembly and adjustment
Airides require minimum maintenance, but should still be inspected and adjusted or replaced periodically. The rubber can get hard and brittle and start to leak.
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Fabric guiding - basic rules, guidelines and setup procedures
Guiding of all types of fabrics follows similar basic rules, guidelines, and setup procedures. Here are some of the most important ones…
Insights ● ArticleNondestructive measurement of boiler tube scale deposit thickness
Excessive scale deposit on boiler tubes results in costly energy losses and excessive boiler unavailability. A well planned and executed boiler chemistry control program is essential to prevent tube failure.
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Off machine coater yield loss at the reel, a case study
An OMC suffered from excessive loss at the reel due to offsets, bursts and wrinkles. A new drum with double grooving and tungsten carbide coating solved the problem.
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Follow these guidelines for periodic maintenance of roll doctors
Always refer to the roll doctor OEM supplier's manual for maintenance information. However, the following are guidelines for periodic maintenance and lubrication for typical roll doctors assemblies.
Insights ● ArticleValmet manufactures exact duplicates of your air heater seals
Air heater seals reduce operating costs and improve heat rate. Valmet manufactures a complete range of exact replacement-in-kind seal assemblies.
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Inspecting dryer cans - guide and recommended procedures
This article covers recommended types of dryer inspection and frequency. An inspection program is necessary to detect early signs of dryer component failure.
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