Concept of Maintenance Assignment Sample

Quality, Reliability & Maintenance

Table of Contents

Introduction.

Section A:

a) Maintenance strategy.

b) Discussion and critical evaluation.

Section B:

c) A critical discussion of maintenance implication in terms of reliability and quality.

Section C:

a) A critical discussion of the difference between assignable cause and common cause.

b) Description and evaluation of control chart used in the manufacturing environment

c) Construction of control chart

Conclusion.

References.

Introduction

The importance of quality, reliability and maintenance can be identified in the measurement of any unit. The accuracy of measurement can be effectively identified with these three consistency measurement technique. In every field like users, logistics and engineering, these measurement aspects can be effectively incorporated and based on this several operations can be appropriately done. therefore, in the current study, a systematic discussion has been conducted on the aspect of understanding quality, reliability and maintenance. The need for quality maintenance along with relevant tools have been identified. Besides this, several problems have been identified with different outcomes in respect to quality, reliability and maintenance strategies.

Section A:

a) Maintenance Strategy

The corrective maintenance is also known as breakdown maintenance that is performed for rectifying and repairing faulty equipment and systems in an effective way. In order to restore the broken and faulty system, the corrective maintenance techniques are mostly incorporated. In a separate work order when a problem is discovered and the problem is additional, then the initiation of corrective maintenance has been incorporated. It has been noticed that in the case of preventive maintenance also, this corrective maintenance initiative is often taken. The remedial upkeep is otherwise called breakdown support that is performed for redressing and fixing broken gear and frameworks in a successful manner (Ahmed et al. 2019).

Thus, as to re-establish the messed up and flawed framework, the remedial upkeep procedures are generally consolidated. In a different work request when an issue is found and the issue is extra, at that point the commencement of restorative upkeep has been fused. It has been seen that on account of preventive upkeep likewise, this remedial support activity is regularly taken. For example, in the event of a professional is detecting an issue while leading preventive support or directing any crisis fixing work, at times the part of the restorative methodology is joined so as to amend any broken parts. This kind of method is successfully understanding in the event of leading routine examination. Hence, this is exceptionally joined in the assembling business or any vehicle industry.

Figure 1: Corrective Maintenance

(Source: He et al. 2018)

Example

 In the case of the manufacturing department, it has been noticed that clogged nozzle in a lubricant providing unit can be rectified with the help of blockage clearing strategies. At the time of inspection, the nozzle could be repaired in an effective way. This is known as scheduled corrective maintenance which is conducted in a regular manner (Bouslah et al. 2016). On the other hand, in case of conducting unscheduled corrective maintenance, building up minerals from hard water that has been collected in a pipe is known as unscheduled maintenance which is conducted after noticing the faulty parts within the system.

On the other hand, another significant example of corrective maintenance is to order and repair or restore any part in manufacturing unit. For instance, in a heating system of any HVAC system, the filter requires to clean in the middle of winter. In order to enhance the efficiency of the filter, this strategy is incorporated. In order to eradicate the chances of emergency repairing, scheduling corrective maintenance can be effective for the HVAC system.

Figure 2: Benefits of Corrective Maintenance

(Source: Carnerud, 2017)

A defining and critical discussion of the application of strategies

This sort of method is successfully understanding in the event of leading routine review. Consequently, this is profoundly joined in the assembling business or any vehicle industry. The healing upkeep is in any case called breakdown bolster that is performed for changing and fixing broken rigging and systems in a fruitful way (Browne et al. 2016). Along these lines, as to restore the failed and imperfect structure, the healing upkeep methodology is commonly united. In an alternate work demand when an issue is found and the issue is extra, by then the beginning of therapeutic upkeep has been intertwined.

It has been seen that by virtue of preventive upkeep moreover, this medicinal help action is routinely taken. For instance, in case of an expert in recognizing an issue while driving preventive help or coordinating any emergency fixing work, on occasion the piece of therapeutic philosophy is joined in order to revise any messed up parts. This sort of technique is effectively understanding in case of driving routine assessment. Subsequently, this especially participates in the amassing industry or any vehicle industry.

b) Discussion and Critical Evaluation

Incorporation of corrective maintenance strategy has several beneficial effects on the maintenance procedure in the service, production or manufacturing line. However, in this context, several issues can be obtained while conducting the corrective maintenance strategy.

Benefits of adaptation

Just in time approach: In the case of conducting corrective maintenance in any repairing work, the corrective maintenance is incorporated which is providing ‘just in time’ approach in an effective way. The main benefit of corrective maintenance is the reduction of the chances of emergency maintenance. Along with this, it can increase employee safety in an effective way that can increase the welfare of the company. on the other hand, the chances of an accident as well as emergency shut down can be reduced with the help of this strategy. In a CMMS, the work orders of corrective maintenance can be prioritised and scheduled (Carnerud, 2017). Alongside this, it can expand worker security in a powerful manner that can build government assistance of the organization. then again, the odds of a mishap just as crisis shut down can be decreased with the assistance of this system. In a CMMS, the work requests of restorative support can be organized and booked.

Lower short term cost: as the nature of this strategy is reactive, the financial, as well as administrative cost, is quite low till something requires to be repaired or replaced. For this reason, it will never require any financial maintenance if everything remains functional.

The requirement of Minimal planning: a very targeted action is required in order to conduct any corrective maintenance procedure. In case of a device remains faulty, the need for corrective maintenance emerges and without planning, the function is to be done.

Simpler process: it has been noticed that in comparison with another process which is mostly conducted while repairing or restoring maintenance work, the process of corrective maintenance is quite simpler and easier. Hence, it will never require any monetary upkeep if everything stays practical. A very focused on activity is required so as to direct any remedial upkeep system (Chemweno et al. 2017).

Appropriateness of the process: as it is effective for reducing the time as well as money, the appropriateness of incorporating corrective maintenance is more than other strategies.

Limitations of adaptation

Unpredictability: it might lead to a problematic situation if after purchasing equipment is not monitored. For this reason, it might lead to failure due to high unpredictability for the equipment.

Paused operation: due to unpredictable failure, the operation can be paused or stopped for a certain time. Increase in the period of inactivity can be harmful to any kind of operation.

Care of equipment: as the protection of equipment are not provided in an effective way, the life of tools is reduced. Therefore, the lifetime of assets is decreased in a significant way.

Increase of long term cost: the short term cost might be reduced, but due to the damage caused to the equipment and tools, an increase of long term cost can be increased. 

Section B:

c) A Critical Discussion of Maintenance Implication in Terms of Reliability and Quality

In the case of EasyJet, it is operating in 32 countries in more than 600 routes are offering very cheap flights to all countries. The prime motto of the company is to provide low-cost airfare without compromising the quality management and maintenance approach. In respect to reliability and validity, the approach of Total Quality Management (TQM) has been incorporated (He et al. 2019). Different creative and viable approaches have been incorporated in an effective way within the company policy for determining the maintenance of quality and reliability of passages. Under the model of increased revenue and high-quality service, they provide Boeing 737 series that offers a larger carrier and aircraft.

This can enhance the quality management approach. Along with this, the maintenance strategy is quite effective in the case of the company which is using the AMOS and CrossConsense dependent maintenance planning setup (aircraftit.com, 2020). Along with this, the BladeFix is using for the airbus software (Chen et al. 2019). In addition to this, AirmanWeb is also incorporated within the maintenance unit of the company. with the help of these interventions, the efficiency is increasing and maintenance is conducting by keeping the quality and reliability transparently.

In the event of leading restorative upkeep in any fixing work, the remedial support is joined which is giving 'without a moment to spare' approach in a compelling way. The primary advantage of the restorative support is the decrease of the odds of crisis upkeep. Diverse innovative and feasible methodologies have been consolidated in a powerful manner inside the organization strategy for deciding the support of value and unwavering quality of entries. Under the model of expanded income and excellent assistance, they give Boeing 737 arrangement that offers a bigger transporter and aeroplane. This can improve the quality administration approach.

Figure 3: IT systems currently in use

(Source: aircraftit.com, 2020)

Section C:

a) A Critical Discussion of The Difference Between Assignable Cause and Common Cause

As the idea of this methodology is receptive, the money related just as authoritative expense are very low till something requires to be fixed or supplanted. If there should arise an occurrence of a gadget stays flawed, the need for restorative support develops and without arranging, the capacity is to be finished. Such as, in case of a technician is spotting an issue while conducting preventive maintenance or conducting any emergency repairing work, sometimes the aspect of the corrective approach is incorporated in order to rectify any faulty parts (Duan et al. 2018).

This type of technique is effectively understanding in case of conducting a routine inspection. For this reason, this is highly incorporated in the manufacturing industry or any transport industry. In case of having any kinds of failure in the machine or equipment in the production, manufacturing or service line, the corrective measures are incorporated in an effective way. It can be differentiated in two segments such as planned or scheduled and unplanned or unscheduled corrective maintenance.

b) Description and Evaluation of Control Chart Used in The Manufacturing Environment

In the manufacturing environment, the usage of the control chart can be effectively done. important product characteristics can be obtained by which measuring and tracking can be conducted. In order to measure and control the significant characteristics of the product, it is necessary to build up a control chart in an effective way. However, the primary aim of developing a control chart is to make sure the stability, as well as the control, is within the grip. On the other hand, in case the process goes out of hand, it can be identified. in the current case of a printer, Blank-Ink Ltd is also effectively conducted the development of control chart in order to ensure the growth.

In the assembling condition, the use of a control graph can be adequately done. significant item attributes can be acquired by which estimating and the following can be directed. So as to quantify and control the critical attributes of an item, it is important to develop a control diagram in a successful manner. Be that as it may, the essential point of building up a controlled outline is to ensure the soundness just as the control is inside the hold. Then again, on the off chance that the procedure leaves the hand, it tends to be distinguished. in the present instance of the printer, Blank-Ink Ltd is additionally adequately directed the advancement of control graph so as to guarantee the development.

As the possibility of this approach is responsive, the cash related similarly as definitive cost are extremely low till something requires to be fixed or superseded. On the off chance that there ought to emerge an event of a device remains imperfect, the need for therapeutic help creates and without a masterminding, the limit is to be done. For example, if there should be an occurrence of an expert in recognizing an issue while leading preventive support or directing any crisis fixing work, here and there the part of the restorative methodology is joined so as to redress any flawed parts.

This kind of method is viably understanding in the event of leading routine assessment. Hence, this is profoundly joined in the assembling business or any vehicle industry (Leigh and Dunnett, 2016). If there should be an occurrence of having any sorts of disappointment in the machine or hardware in the creation, assembling or administration line, the restorative measures are fused in a powerful manner. It tends to be separated into two sections, for example, arranged or planned and impromptu or unscheduled remedial upkeep.

c) Construction of Control Chart

Table 1: Statistical Process Control

(Source: Created by author)

Figure 4: Statistical Process Control

(Source: Created by author)

Therefore, the above graphical representation is showing the upper limit is about 9 and a lower limit is situated within which is showing the production and manufacturing line is within the control. The company has a proper quality management strategy in reference to reliability that is effective for measuring the outcome in an effective way. Along with this, while manufacturing the printer toner, all production details could be assembled and in this process, the requirement of corrective maintenance can be incorporated that might be required if the manufacturing difficulties overcome the boundaries effectively (He et al. 2017). The organisation has a legitimate quality administration technique in reference to dependability that is compelling for estimating the result in a powerful manner. Alongside this, while fabricating the printer toner, all creation subtleties could be amassed and in this procedure, the prerequisite of remedial support can be joined that may be required if the assembling challenges conquer the limits successfully.

Conclusion

Henceforth, it can be concluded, with the help of proper maintenance, quality and reliability, the manufacturing and production can be smoother. Along with this, the business sustainability can be increased by maintaining such strategies. Along these lines, as to restore the failed and imperfect structure, the healing upkeep methodology is commonly united. In an alternate work demand when an issue is found and the issue is extra, by then the beginning of therapeutic upkeep has been intertwined. The chances of an accident as well as emergency shut down can be reduced with the help of this strategy. In order to measure and control the significant characteristics of the product, it is necessary to build up a control chart in an effective way. However, the primary aim of developing a control chart is to make sure the stability, as well as the control, is within the grip.

References

Ahmed, A., Guozhu, J., Majeed, A. and Salam, A., 2019, July. Uncertainty Measurement and Analysis for Quality and Reliability in Manufacturing Process. In IOP Conference Series: Materials Science and Engineering (Vol. 576, No. 1, p. 012007). IOP Publishing. https://iopscience.iop.org/article/10.1088/1757-899X/576/1/012007/pdf

aircraftit.com (2020) aircraftit.com, Available at: https://www.aircraftit.com/articles/innovations-in-aircraft-maintenance-at-easyjet/ [Accessed on: 13 April, 2020]

Bouslah, B., Gharbi, A. and Pellerin, R., 2016. Integrated production, sampling quality control and maintenance of deteriorating production systems with AOQL constraint. Omega, 61, pp.110-126. 

Browne, T., Iooss, B., Gratiet, L.L., Lonchampt, J. and Remy, E., 2016. Stochastic simulators based optimization by Gaussian process metamodels–application to maintenance investments planning issues. Quality and Reliability Engineering International, 32(6), pp.2067-2080. https://arxiv.org/pdf/1512.07060

Carnerud, D., 2017. Exploring research on quality and reliability management through text mining methodology. International Journal of Quality & Reliability Management. http://www.diva-portal.org/smash/record.jsf?pid=diva2:930796

Chemweno, P., Pintelon, L., De Meyer, A.M., Muchiri, P.N., Van Horenbeek, A. and Wakiru, J., 2017. A dynamic risk assessment methodology for maintenance decision support. Quality and Reliability Engineering International, 33(3), pp.551-564. 

Chen, Z., He, Y., Zhao, Y., Han, X., Liu, F., Zhou, D. and Wang, W., 2019. Mission Reliability-Oriented Selective Maintenance Optimization for Intelligent Multistate Manufacturing Systems With Uncertain Maintenance Quality. IEEE Access, 7, pp.109804-109816. https://ieeexplore.ieee.org/iel7/6287639/8600701/08789407.pdf

Duan, C., Deng, C., Gharaei, A., Wu, J. and Wang, B., 2018. Selective maintenance scheduling under stochastic maintenance quality with multiple maintenance actions. International Journal of Production Research, 56(23), pp.7160-7178. 

He, Y., Gu, C., Chen, Z. and Han, X., 2017. Integrated predictive maintenance strategy for manufacturing systems by combining quality control and mission reliability analysis. International Journal of Production Research, 55(19), pp.5841-5862. 

He, Y., Gu, C., He, Z. and Cui, J., 2018. Reliability-oriented quality control approach for production process based on RQR chain. Total Quality Management & Business Excellence, 29(5-6), pp.652-672.

He, Y., Liu, F., Cui, J., Han, X., Zhao, Y., Chen, Z., Zhou, D. and Zhang, A., 2019. Reliability-oriented design of integrated model of preventive maintenance and quality control policy with time-between-events control chart. Computers & Industrial Engineering, 129, pp.228-238. 

Leigh, J.M. and Dunnett, S.J., 2016. Use of Petri nets to model the maintenance of wind turbines. Quality and Reliability Engineering International, 32(1), pp.167-180. https://onlinelibrary.wiley.com/doi/abs/10.1002/qre.1737

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