به کارگیری تکنیک پایش وضعیت برای دست یابی به بهبود کارایی در صنعت (مطالعه موردی: صنایع چوب و کاغذ مازندران)
محورهای موضوعی : مدیریت بازرگانی
محمد مهدی موحدی
1
(
عضو هیئت علمی و استادیار دانشگاه آزاد اسلامی، واحد فیروزکوه
)
ولی الله رضایی نصرتی
2
(
کارشناس ارشد رشته مدیریت صنعتی،واحد فیروزکوه ،دانشگاه آزاد اسلامی،فیروزکوه ،ایران
)
کلید واژه: پایش وضعیت (CM), تحلیل ارتعاشات, بهبود کارایی,
چکیده مقاله :
مدیران امروز سعی می کنند تا با استفاده از روش‌های علمی علاوه بر افزایش کیفیت محصولات، قیمت تمام شده آن را هم کاهش دهند. پایش وضعیت[1] یکی از فنونی است که در سال‌های اخیر مورد استقبال بیشتر مدیران صنعت قرار گرفته و البته منافع زیادی را هم عاید سازمان‌ها نموده است. تحلیل ارتعاشات[2] یکی از روش‌های پایش وضعیت است که با به کارگیری آن در صنعت به طور چشمگیری می‌توان از دوباره کاری ها جلوگیری نمود و هزینه‌های یک شرکت تولیدی را کاهش داد. برای نشان دادن تأثیر این فن در بهبود کارایی فرآیند تولید، شرکت صنایع چوب و کاغذ مازندران به عنوان مطالعه موردی انتخاب شده و نحوه‌ی استفاده صحیح از سیستم پایش وضعیت از طریق تحلیل ارتعاشات مورد بررسی قرار گرفته است. در این تحقیق مشخص شده است که چگونه می‌توان با آگاهی به موقع از خرابی‌های دستگاه‌ها و اعمال تعمیرات پیشگیرانه جلوی زیان قبل از وقوع گرفته شود و ثانیاً در مصرف قطعات و وقت نیروی انسانی در نگهداری و تعمیر ماشین‌آلات صرفه جویی شده و در نهایت سازمان به سمت بهبود کارایی هدایت شود. [1] . Condition Monitoring [2] . Vibration Analysis
Nowadays, managers try to use scientific methods to increase the quality of goods, and simultaneously reduce their final prices as well. Condition Monitoring (CM) is one of the methods which has been popular among industrial managers in recent years and of course it has provided many benefits for organizations. Analyzing the vibrations is one of the condition monitoring methods, and by using it we can avoid rework, and reduce the company's costs considerably. To show this effect for efficiency improvement of production process, Mazandaran Wood and Paper Industries has been selected as a case study, and the vibration analysis, one method of the conditions monitoring has been applied. In this research, we have shown how to prevent stoppages and damages of the equipment by in-time awareness and by imposing preventive repairs. Secondly, considerable conservation in consumption of parts and manpower will be achieved for repairing and maintenance of equipment in order to guide the organization toward efficiency improvement.
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Daabdin, A. and Wong, J.C.H., (1991), Different vibration monitoring techniques and their application torolling element bearings, Inter. J. Of Mechanical Engng. Educ., 19, 4, pp. 295-304k.
Forrester, B. D., Use of the Wigner-Ville Distribution in Helicopter Transmission Fault Detection,
Henry C. Pusey., (2000), Machinery Condition Monitoring, Sound & Vibration.
Ismail Zadeh, Kh. (2001). Maintenance and Repair Technologies and Vibration Analysis of Machinery. Gilan: Gilan University Press, (In Persian).
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Lin, Haijin, Accounting Discretion and Managerial Conservatism: An Intertemporal Analysis,
Working Paper, Carnegie-Mellon University.2004
McFadden, P. D., (1985), Analysis of the vibration of the input bevel pinion in RAN Wessex helicopter main rotor gearbox WAK143 prior to failure, Aero Propulsion Report 169, Department of Defense, Aeronautical Research Laboratory.
McFadden, P.D., (1988), Determining the Location of a Fatigue Crack in a Gear from the Phase of the Change in the Meshing Vibration, Mechanical Systems and Signal Processing, vol. 2(4), pp. 403-409.
McFadden P. D., (2003), Cook J.G., Forster M., Decomposition of gear vibration signals by the generalized Stransform.
Mitchell, J. S., (1994), Machine Condition Monitoring – Fact or Fiction, Sound & Vibration, Vol. 28, No. 9.
Morando, L.E, (1998), bearing condition monitoring by shock pulse method. Iron and Steel Engineering, December, pp. 40-43.
Movahedi, M. M., & Rezaei Nosrati, V. A. (2008). Economic Performance of Situation Monitoring (CM) Using Oil Analysis Techniques. Management and Development Magazine, (In Persian).
Randall, R.B., A., (1982), New Method of Modeling Gear Faults, Journal of Mechanical Design, Vol. 104, pp. 259-267.
Sabzi, M., & Timouri, M. (2007). RCA Analysis Based on the Results of the Status Monitoring. The 2nd Conference on Specialty Monitoring of the Status, (In Persian).
Tamizi, Kh. (2001). Balance in place. Tehran: Hesam Publishing, (In Persian).
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Ahmadi, A. (2006). A Comprehensive Approach to Strategic Management. Knowledge Production Publishing, (In Persian).
Daabdin, A. and Wong, J.C.H., (1991), Different vibration monitoring techniques and their application torolling element bearings, Inter. J. Of Mechanical Engng. Educ., 19, 4, pp. 295-304k.
Forrester, B. D., Use of the Wigner-Ville Distribution in Helicopter Transmission Fault Detection,
Henry C. Pusey., (2000), Machinery Condition Monitoring, Sound & Vibration.
Ismail Zadeh, Kh. (2001). Maintenance and Repair Technologies and Vibration Analysis of Machinery. Gilan: Gilan University Press, (In Persian).
Kryter R. C., (1958), & H. D. Haynes. Condition Monitoring of Machinery Using Motor Current Signature Analysis, Sound & Vibration, Vol. 23, No.9, pp. 14-21.
Lin, J., Applying Stator end-winding Vibration Monitoring Technology, AT.J.H. Comp bell generation plant, Sales Engineering, Vibrosystem. Inc. Longueuil, QC.
Lin J., Zuo M. J., (2003), Gearbox fault diagnosis using adaptive wavelet filter, Mechanical systems and signal processing, vol. 17(6), pp. 1259-1269.
Lin, Haijin, Accounting Discretion and Managerial Conservatism: An Intertemporal Analysis,
Working Paper, Carnegie-Mellon University.2004
McFadden, P. D., (1985), Analysis of the vibration of the input bevel pinion in RAN Wessex helicopter main rotor gearbox WAK143 prior to failure, Aero Propulsion Report 169, Department of Defense, Aeronautical Research Laboratory.
McFadden, P.D., (1988), Determining the Location of a Fatigue Crack in a Gear from the Phase of the Change in the Meshing Vibration, Mechanical Systems and Signal Processing, vol. 2(4), pp. 403-409.
McFadden P. D., (2003), Cook J.G., Forster M., Decomposition of gear vibration signals by the generalized Stransform.
Mitchell, J. S., (1994), Machine Condition Monitoring – Fact or Fiction, Sound & Vibration, Vol. 28, No. 9.
Morando, L.E, (1998), bearing condition monitoring by shock pulse method. Iron and Steel Engineering, December, pp. 40-43.
Movahedi, M. M., & Rezaei Nosrati, V. A. (2008). Economic Performance of Situation Monitoring (CM) Using Oil Analysis Techniques. Management and Development Magazine, (In Persian).
Randall, R.B., A., (1982), New Method of Modeling Gear Faults, Journal of Mechanical Design, Vol. 104, pp. 259-267.
Sabzi, M., & Timouri, M. (2007). RCA Analysis Based on the Results of the Status Monitoring. The 2nd Conference on Specialty Monitoring of the Status, (In Persian).
Tamizi, Kh. (2001). Balance in place. Tehran: Hesam Publishing, (In Persian).