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Failure rate analysis of Jaw Crusher: a case study

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Abstract

Failure of crusher components has considerable influence on the productivity of a crushing plant. In order to improve performance and operational reliability, its critical components are needed to be identified to make replacement in time before any catastrophic failure happens. Though traditional maintenance practices exist in crushing plants, a methodical analysis of failure trend is imperative to improve operational reliability of this critical equipment. The present paper deals with failure analysis of rock crusher and its critical components using total time on test (TTT)-plot and other statistical tools. TTT-plot has proven to be a useful tool in reliability analysis.

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Abbreviations

β:

shape parameter

η:

scale parameter

t:

running time of equipment/components

i:

number of failure

n:

number of observations for time between failures

Ui :

ratio of Si/Sn

Si :

is the TTT at time, ti

Sn :

is the TTT at nth failure

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Authors and Affiliations

  1. Department of Mining Machinery Engineering, Indian Institute of Technology (Indian School of Mines), Dhanbad, 826004, India

    R S Sinha & A K Mukhopadhyay

Authors
  1. R S Sinha
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  2. A K Mukhopadhyay
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Correspondence to R S Sinha.

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Sinha, R.S., Mukhopadhyay, A.K. Failure rate analysis of Jaw Crusher: a case study. Sādhanā 44, 17 (2019). https://doi.org/10.1007/s12046-018-1026-4

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  • DOI: https://doi.org/10.1007/s12046-018-1026-4

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