1-20 of 20 Search Results for

Crushers

Sort by
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001776
EISBN: 978-1-62708-241-9
... Abstract In this article, we report the outcome of an investigation made to uncover the premature fracture of crusher jaws produced in a local foundry. A crusher jaw that had failed while in service was studied through metallographic techniques to determine the cause of the failure. Our...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c0090965
EISBN: 978-1-62708-221-1
... Abstract The upper frame from a large cone crusher failed in severe service after an unspecified service duration. The ductile iron casting was identified as grade 80-55-06, signifying minimum properties of 552 MPa (80 ksi) tensile strength, 379 MPa (55 ksi) yield strength, and 6% elongation...
Image
Published: 01 January 2002
Fig. 3 Worn cone crusher liner after three months of use More
Image
Published: 01 January 2002
Fig. 18 Failure of a ductile iron cone-crusher frame ( example 7 ). (a) Near-surface microstructure of the frame showing degenerate graphite morphology rather than the intended nodular structure evident in the core. Unetched. 30×. (b) The typical frame microstructure also exhibits high levels More
Image
Published: 01 June 2019
Fig. 1 Failure of a ductile iron cone-crusher frame. (a) Near-surface microstructure of the frame showing degenerate graphite morphology rather than the intended nodular structure evident in the core. Unetched. 30×. (b) The typical frame microstructure also exhibits high levels of ferrite More
Image
Published: 15 January 2021
Fig. 14 Failure of a ductile iron cone-crusher frame (Example 7). (a) Near-surface microstructure of the frame showing degenerate graphite morphology rather than the intended nodular structure evident in the core. Unetched. Original magnification: 30×. (b) The typical frame microstructure also More
Image
Published: 01 December 2019
Fig. 1 Photograph of a failed crusher jaw showing fractured failure across the teeth More
Image
Published: 01 December 2019
Fig. 4 Optical micrograph of failed crusher jaw showing large carbide deposits at grain boundaries of austenite matrix More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001741
EISBN: 978-1-62708-234-1
... Abstract Butterfly-shaped microstructural features in tempered martensite in an otherwise clean steel suggested that overloading led to premature spalling of a coal-crushing plant taper bearing. Extensive rolling contact fatigue occurred because of the overload condition. The crusher...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003560
EISBN: 978-1-62708-180-1
... crusher wear, electronic circuit board drill wear, grinding plate wear failure analysis, impact wear of disk cutters, and identification of abrasive wear modes in martensitic steels. abrasive wear failures abrasive wear mechanisms adhesive wear erosive-type wear wear failure analysis...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0047347
EISBN: 978-1-62708-234-1
... Abstract A high-chromium white cast iron shell liner installed in an ore crusher sustained impact damage in the course of operation. Visual-optical examination revealed horizontal cracks on the surface of the liner along with particles that had fractured off. Metallographic examination...
Image
Published: 01 January 2002
Fig. 14 Photograph of the movable (top) and stationary (bottom) wear plates from the jaw crusher. The feed moves across the plates from left to right, so the most severe wear occurs at the exit area toward the right. More
Image
Published: 15 January 2021
Fig. 14 Photograph of the movable (top) and stationary (bottom) wear plates from the jaw crusher. The feed moves across the plates from left to right, so the most severe wear occurs at the exit area toward the right. More
Book Chapter

Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006790
EISBN: 978-1-62708-295-2
... abrasion also occurs in impact crushers or almost anywhere where coarse rocks impact a metal surface under considerable pressure or force, for example, digger teeth on power shovels and dragline buckets used to scoop up loose rock. Gouging abrasion normally occurs in the crushing and handling of large...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003567
EISBN: 978-1-62708-180-1
... of mineral ores. The annual cost of grinding media frequently approaches or exceeds the cost of energy in some processes ( Ref 4 ). Figure 2 shows ball mill liner plates in both new and worn conditions. Figure 3 shows a cone crusher liner that wore completely through after only three months of use...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003543
EISBN: 978-1-62708-180-1
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006778
EISBN: 978-1-62708-295-2
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006794
EISBN: 978-1-62708-295-2
...-impact zones of ore crushers. The surface of carbon steel can be hardened by heat treatment and surface alloying for increased wear resistance ( Ref 41 ). Severe wear and minor corrosion condition: In this case, mainly high resistance to wear is required, while a certain level of corrosion...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003572
EISBN: 978-1-62708-180-1
... Polymers Polymer composites are extensively used for sliding components in earth-moving equipment, rock- and ore crushers, dies in powder metallurgy, extruders and chutes, and so on, where the major wear failure mechanism is either two-body or third-body abrasion. The abrasion is a net result...
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...