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Dryer rolls

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Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005743
EISBN: 978-1-62708-171-9
..., suction roll, center press rolls, yankee dryer rolls, calendar rolls, doctor/scalping blades, and cutting equipment. paper machine components paper manufacturing plasma spraying pulping thermal spray coating tungsten carbide PAPER IS AN INTEGRAL PART of our daily lives, with applications...
Image
Published: 01 January 2002
Fig. 14 Both sides of a journal-to-head failure in a cast iron paper-roll dryer. (a) Bottom of failed dryer. (b) The failed bolted-on head More
Image
Published: 30 August 2021
Fig. 118 Both sides of a journal-to-head failure in a cast iron paper-roll dryer. (a) Bottom of failed dryer. (b) Failed bolted-on head More
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001279
EISBN: 978-1-62708-170-2
... by being either poured into water or rolled into a thin sheet between water-cooled rolls. When quenched in water, the frit is dried before use. When quenched in sheet form by water-cooled rolls, the sheet ordinarily is shattered into small flakes by mechanical means before use or shipment. Because...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003015
EISBN: 978-1-62708-200-6
... voids or laminations, which are often unacceptable. A dryer can be used to remove moisture and some volatiles. If the requirement is severe, a refrigerated dryer or a desiccant dryer can be used. These are generally incorporated in the supply hopper of the extruder to avoid extra handling. A vent...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003053
EISBN: 978-1-62708-200-6
... pressing, cold isostatic pressing, slip casting, tape casting, roll compaction, extrusion, and injection molding. It describes the advantages, equipment and tooling, and material requirements of green machining, the machining of ceramics in an unfired state with the intent of producing parts as close...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.9781627082952
EISBN: 978-1-62708-295-2
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003108
EISBN: 978-1-62708-199-3
...) … 0.08 max … Ferritic; annealed Pressure-containing parts for use at elevated temperatures ASTM A 476; SAE AMS 5316C 80-60-03 F34100 3.00 min (c) 3.0 max … 0.08 max 0.05 max As-cast Paper mill dryer rolls, at temperatures up to 230 °C (450 °F) ASTM A 536 60-40-18 (d) F32800...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003751
EISBN: 978-1-62708-177-1
.... Will the procedure be carried out on a component that is inside a building or outside in the elements of nature? If outside, very cold temperatures will extend etching response (longer times needed), and some etchants will freeze and become ineffective. It may be possible to heat the region with a hair dryer...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003090
EISBN: 978-1-62708-199-3
..., for example, hot rolling, quenching, and so forth. This article describes the role of these factors in both theoretical and practical terms, with particular focus on the role of microstructure. It lists the mechanical properties of selected steels in various heat-treated or cold-worked conditions. In steels...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001271
EISBN: 978-1-62708-170-2
... strip. Metal office furniture, for example, may be manufactured using electrogalvanized sheet, normally with only a “flash” (about 1 to 2 μm) of zinc coating. Appliances such as toasters, dishwashers, washing machines, dryers, and so on may also be manufactured in part from further treated and painted...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002461
EISBN: 978-1-62708-194-8
... Abstract The properties of irons and steels are linked to the chemical composition, processing path, and resulting microstructure of the material. Processing is a means to develop and control microstructure by hot rolling, quenching, and so forth. This article describes the role...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001810
EISBN: 978-1-62708-180-1
... Abstract Rolling-element bearings use rolling elements interposed between two raceways, and relative motion is permitted by the rotation of these elements. This article presents an overview of bearing materials, bearing-load ratings, and an examination of failed bearings. Rolling-element...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006256
EISBN: 978-1-62708-169-6
... on the amount of exposure and purity of the metal, can result in excessive pitting and surface cratering. Thus, in heat treating of uranium in atmospheres of commercial inert gases, furnaces should be equipped with gas line dryers to dry the gas thoroughly before it is used. Vacuum Treatment Vacuum heat...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006834
EISBN: 978-1-62708-329-4
... 175 Hammer crushers 60 140 Stone crushers 80 175 Impact crushers 80 175 Vibration motors 70 160 Wire-drawing calendar 65 150 Paper machine drum 55 130 Electrical driving motor 80–90 175–195 Paper machine dryer drum 120–130 250–265 Hot gas ventilators 90 195...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006325
EISBN: 978-1-62708-179-5
...-Temperature Applications” Designations for specialized applications ASTM ASME A395 SA395 … “Ferritic Ductile Iron Pressure-Retaining Castings for Use at Elevated Temperatures” A476 SA476 … “Ductile Iron Castings for Paper Mill Dryer Rolls” A571 SA571 … “Austenitic Ductile Iron...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001818
EISBN: 978-1-62708-180-1
... in.). It was fabricated from ten manganese-chromium-nickel-molybdenum-vanadium steel plates 150 mm (5 7 8 in.) thick, which were rolled and welded to form ten cylindrical shell sections and three forgings of similar composition. The forgings formed two end closures and a flange for attaching one of the forged...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005112
EISBN: 978-1-62708-186-3
... of steel is the straight-line relationship to the yield point ( Fig. 7 ). This provides a big safety factor in the event that the machine is overloaded. Another advantage of steel is that it is basically easier to repair than cast iron. The steel plate used in presses comes as a homogeneous rolled plate...
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001003
EISBN: 978-1-62708-161-0
... for use at elevated temperatures ASTM A 476; SAE AMS 5316C 80-60-03 F34100 3.00 min (c) 3.0 max … 0.08 max 0.05 max As-cast Paper mill dryer rolls, at temperatures up to 230 °C (450 °F) ASTM A 536 60-40-18 (d) F32800           Ferritic; may be annealed Shock-resistant parts; low...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004190
EISBN: 978-1-62708-184-9
.... Mechanical Pulping In mechanical pulping, wood fibers are separated from each other by rolling, rubbing, or teasing, either against themselves, or against a harder, specially designed surface. Chemical additions or the application of heat and pressure can be used to increase the efficiency...