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Suction rolls

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Published: 01 December 2008
Fig. 18 Stress-corrosion cracking in a bronze alloy C83600 suction roll shell. Original magnification: 1000×. Courtesy of Stork Technimet, Inc. New Berlin, WI More
Image
Published: 01 December 2008
Fig. 6 Cracked suction roll shell section More
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...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005343
EISBN: 978-1-62708-187-0
... Abstract This article reviews the failure analysis process with specific reference to the considerations that should be addressed when a casting has failed. It describes the failure analysis methodology for three failed cast components: an aluminum bracket, a bronze suction roll, and a steel...
Image
Published: 01 August 2013
Fig. 3 Examples of thermal spray coatings deposited on pulp and paper processing components. (a) Roll used in the paper industry being coated with tungsten carbide to provide a traction coating. (b) Suction roll that has been coated with tungsten carbide. Courtesy of ASB Industries More
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
... than 99%. In the wet-end operation, the slurry of pulp is deposited onto a continuously moving belt that suctions the water from the slurry using gravity, vacuum chambers, and vacuum rolls. The continuous sheet then moves through additional rollers that compress the fibers and remove the residual water...
Series: ASM Handbook Archive
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000610
EISBN: 978-1-62708-181-8
... of these steels. The austenitic stainless steel components include spring wires, preheater-reactor slurry transfer lines and gas lines of coal-liquefaction pilot plants, oil feed tubes and suction couch rolls of paper machines, cortical screws and compression hip screws of orthopedic implants, and Jewett nails...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005342
EISBN: 978-1-62708-187-0
... alloy C83600 suction roll for the paper industry is shown in Fig. 18 . The surface exhibits the characteristic jagged features with fine microcracks. It should be noted that fracture features are often only discernible at the crack-tip region, or at secondary cracks, as the fracture surface...
Book

Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.9781627081870
EISBN: 978-1-62708-187-0
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001228
EISBN: 978-1-62708-170-2
..., indirect-suction (induction) wet or dry blast nozzle systems. This article focuses on the abrasive media, equipment, applications, and limitations of dry and wet blast cleaning. It discusses the health and safety precautions to be taken during mechanical cleaning. airless centrifugal blast blade...
Series: ASM Handbook Archive
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000619
EISBN: 978-1-62708-181-8
... at a grain boundary. SEM, 1000× Fig. 910, 911, 912 Failure of a paper machine suction couch roll due to corrosion fatigue. The roll shell was made of centrifugally cast bronze (Cu-5Sn-5Pb-4Zn) similar to UNS C83600. Wall thickness at time of failure was approximately 45 mm (1.85 in.). Corrosion...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006429
EISBN: 978-1-62708-192-4
... is represented by the shaded area. The suction to delivery stroke is representatively the shaded area No.2. The example shows that the lubrication and performance of hydraulic pumps are dependent on preventing pump and component damage and maintaining design clearances. Anything that reduces a change...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005734
EISBN: 978-1-62708-171-9
... (fused), Cr 3 C 2 /NiCr PS, HVOF, HVAF, DG Pump case and impeller rings and sleeves, valve components, concrete pump and mixer parts, hydraulic rods, bushings and pins, hard chrome plate alternatives, cutting blades, paper pulp suction rolls, oil recovery parts in tar sand applications, directional...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003213
EISBN: 978-1-62708-199-3
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005725
EISBN: 978-1-62708-171-9
... directly with the impact speed. Hence, higher pressures result in deeper pitting. With nonmetallic abrasives, high pressures result in rapid shattering of grit particles, and for this reason, blast pressures are reduced to save on grit. As a rule, blast machines of the suction-feed type provide only one...
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...
Book Chapter

Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004031
EISBN: 978-1-62708-185-6
... Abstract This article is a comprehensive collection of terms related to metalworking operations that produce shapes from forging, extrusion, drawing, and rolling operations. drawing extrusion forging rolling ASM Handbook, Volume 14A: Metalworking: Bulk Forming Copyright © 2005 ASM...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.9781627081856
EISBN: 978-1-62708-185-6
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005155
EISBN: 978-1-62708-186-3
... undesirable growth of one or sion. See also extrusion. a small fraction of grains in a poly- anisotropy. Variations in one or more physical crystalline material during annealing. The or mechanical properties with direction. See bar. (1) A section hot rolled from a billet to a phenomenon is most frequent...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005454
EISBN: 978-1-62708-196-2
... of the length of one axis flat slabs in a plane parallel to the rolled upper critical temperature, but the time- to that of another, for example, c/a, or the surface. temperature cycles vary widely in maximum continued ratio of three axes, such as a:b:c. temperature attained and cooling rate used...