1. Maintenance Engineering And Management
Operating Life Cycle
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Operating life cycle concept is applied in operational management for any production system which takes input and produces some output by using some process….
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Reliability
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The reliability of a product is the probability of performing its intended function over its specified life….
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Failure Data Analysis
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It is the process of collecting and analyzing data to determine the cause of a failure. It is an important discipline in many branches of manufacturing industry, where…..
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Failure Rate Curve/bath-tub curve/life- cycle curve
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The bath-tub or life-cycle curve is widely used in reliability engineering…..
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Hazard Model
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There are three types of hazard model : - Constant Hazard Model/Linear Hazard Model/Non-linear…
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Logic Diagrams
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Block diagram is another name of logic diagram, which shows the functional relationship among the elements of a system. There are three types of logic diagram….
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Improve The Reliability
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One of the main objectives carrying out reliability studies is to assess the present status of our system or the system under the design and development……
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Redundancy
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Redundancy is an important method for system reliability improvement. In this technique more number of components that are actually required for the operation are connected in parallel……
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Maintainability
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It is defined as the probability of restoration of a failed device or equipment or asset to operational effectiveness within a specified period of time through the prescribed maintenance operations…
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Availability
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It is defined as the fraction of time, for which machine tool is available for production…..
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Reason for establishing trade-off between reliability and maintainability
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The major reasons for establishing trade-off between Reliability and Maintainability discussed below…
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Breakdown Maintenance
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In this type of maintenance, not to do anything as long as everything is going on well. Therefore no work is done till a component or equipment fails or become inoperative…..
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Planned Maintenance
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This is an organized type of maintenance. it takes care of other aspects such as control and records required for this type of work. It decides not only ….
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Preventive Maintenance
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It is the effective utilization of planned and coordinate inspections, adjustments, repairs and replacement needed in maintaining an equipment or plan…..
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Design out maintenance
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This system aims to eleminate , and if that not possible , then to minimize the requirement of maintenance to the lowest possible level…
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Total Productive Maintenance
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TPM includes all employees participating through small groups. The basics concept of TPM is to change the attitude and improve the skill of all personnel by using quality equipment.
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Planned Lubrication
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Proper lubrication requires a good technical design for lubrication and a set of proper management and control system to ensure that every items is properly lubricated, this system is called planned lubrication..
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Benefit of TPM
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The benefit derived from TPM includes the following: Reduction in unforeseen system or equipment failures. Reduction in both external and internal quality costs ….
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Replacement
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A replacement is called for whenever new equipment offers more efficient or economical services than the old and existing one……
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Reasons for Replacement
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There are four reasons for replacement: Deterioration , Obsolescence…..
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Individual Replacement
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Under this policy, an items is replacement immediately after its failure……..
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Group Replacement
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Under this policy, decision is taken as to when all the items must be replaced irrespective of the fact that items have failed and have not failed…….
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Replacement of items in anticipation of failure
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In general the probability of an item increases with time. The complete failure of an item may result in complete breakdown….
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Breakdown Maintenance Planning
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It is defined as the process of execution of maintenance work after the failure of equipment or component has alreadu occurred…….
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Minimum Cost Service Rate
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MCSR is the balance between two conflicting cost : - (cost of offering the services and cost incurred due to delay in offering the services…..
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Project Evaluation and Review Technique(PERT)
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It is the basic network technique which includes planning, monitoring and control of projects. It is applied in planning and control of the complex set of task, functions and relationships…..
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Assignment
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The assignment problem may be defined as “ Given n facilities and n jobs and given the effectiveness of each job , the problem is to assign each facility to one and only one job so as to optimize the given measures of effectiveness “. …..
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Maintenance Management
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Maintenance management involves critical decision making at various levels. It includes decision related to operations and overall economics performance…………..
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Manpower Planning
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It is a process in which the demand and supply of labour are equated………..
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Maintenance Planning
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It is performed to achieve the provision of material in right quality and quantity at the right time….
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Spare Part Planning
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It is process of identification of critical spares and supply of quality spare to reduce the maintenance cost….
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Maintenance Evaluation
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It is defined as an assessment of successes and failures in maintenance techniques……
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2. Production And Operation Management
Operation Management
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It is defined as the management of the conversion process, which
converts land, labour, capital and managements inputs into the desired
outputs of goods and services….
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Function of Production and Operation Managements
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The operations management function of an organization is the part
produces the organization’s products the organization products. In some
organization the product is a physical good while in others it is a
services. The basic elements they
share are shown in …….
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Evolution of Production and Operation Management
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For two centuries operations management has been recognized as an
important factor in a country’s economic well-being. The evolution of the
term reflects the evolution of…
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System View of Production and Management
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In a very general sense a system is a collection of objects related by
regular interaction and interdependence ….
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Product Design
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Design in its broadest sense includes, the whole development of the product
through all the preliminary stages until actual manufacturing begins. ….
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Service and Design of Services
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Services constitute a large number of the U.S. economy, in terms of both workers and gross
national product than products do, but the demarcation between a “product”
and “services “ …..
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Capacity
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It is the rate of output from an operating system per unit time. It is
based on the output of that the system can produce, store, and transport……
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Layout
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It is an arrangement of the space and facilities according to be
carried out, convenience of operations, efficiency, productivity economy and
safety for the users of the facilities…..
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Job Design
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It refers the activities that specify the content of each job and determine
how work is distributed within the organization. …..
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Production And Operation Management
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To produce effectively and efficiently, management must establish
goals for evaluating employee performance. These goals are translated into
standards. A production and operations standards is a quantified criterion
for measuring or judging output. The standard can be set of for quantity,
quality, cost or any other attribute of output and it is the basics for
control. The standards at various levels in the organization and given ….
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Work Measurement
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Work measurement is defined as the applications of techniques designed
to establish time for a qualified worker to carry out a specified job at a
defined level of performance…..
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Project Management
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Minor repair work in plant facility or building a dam and irrigation
network are the both projects. Any work that has a well defined objective or
goal to the sequence of the multitudinous activities required to be performed
can be defined as a project…….
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Scheduling System
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Scheduling is defined as the determination of when labour, equipment
and facilities are needed to produce a product or provide a service….
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Aggregate Planning for Production And Service
System
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Aggregate planning for production …..And…Aggregate planning for services
system….
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Operation Scheduling
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It is a type of scheduling in which jobs are assigned to workstation
or employees are assigned to jobs for specified time periods. It focuses on how best to use existing
capacity, talking into….
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Planning for Needs
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In recent years material requirements planning systems have replaced
reactive inventory systems in many organization…..
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Applying MRP
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MRP is a system of planning and scheduling the time phased material
requirements for production. As such, it is geared toward meeting the
end-item outputs prescribed in….
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Detailed Capacity Planning
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Each time the MRP system is updated managers must ask whether shop
capacity is sufficient to implement the current plan. Detailed capacity
planning is a …..
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MRP-2
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MRP system typically were developed on a segregated basis, rather than
as part of a highly integrated ….
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Managing for Quality
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There are several significant steps in effectively managing for
quality…
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3. Quality And Total Quality Management
What is quality?
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Quality is conformance to requirements....
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