TPM Management Q&A

Thread Content

1. What is TPM management? Answer: In terms of management, TPM (Total Productive Maintenance – Total Productive Maintenance) is an activity for equipment upkeep and maintenance that aims to improve the overall efficiency of a company’s equipment, relies on preventive maintenance across the entire production system, and is based on the participation of all employees. 2. What are the conditions for a company to successfully implement TPM? Answer: ① The attention and support of the top management at the company or department level; ② A clear strategy and objectives for implementing TPM; ③ A robust system and organizational structure for promoting TPM; ④ Well-defined rules and reward/punishment mechanisms; ⑤ A positive corporate culture and atmosphere that supports TPM. 3. What are the key aspects of TPM’s basic philosophy? Answer: First, improving the condition of the personnel; second, improving the condition of the equipment; third, improving the condition of the enterprise. 4. What do the three “completes” of TPM refer to? What is the relationship among these three “completes”? Answer: The three “completes” are complete efficiency, a complete system, and full employee participation; full employee participation serves as the foundation, the complete system acts as the framework, and complete efficiency is the goal. 5. What are the traditional eight pillars of the TPM implementation framework? Answer: Autonomous maintenance, planned maintenance, individual improvement, quality preservation, MP activities, education and training, process innovation, and environmental safety – these constitute the eight pillars of the TPM implementation framework. 6. What are the three effective tools for TPM team activities? Answer: Activity boards, meetings (regular team meetings), and OPL (On-the-Job Training). 7. What is the necessity of a TPM activity board in group activities? Answer: The activity board serves as a guide for group actions. Through it, one can understand the process and outcomes of the activities, as well as facilitate knowledge sharing related to the group activities. 8. What is the purpose of a company implementing TPM? Answer: ① Reduce equipment failures and improve equipment reliability; ② Increase the overall production efficiency of equipment (OEE); ③ Extend the mean time between failures (MTBF) of equipment and reduce the mean time to repair (MTTR) of equipment; ④ Lower costs associated with equipment management and maintenance; ⑤ Implement systematic, standardized, and regulated equipment management to encourage participation from all employees; ⑥ Improve various aspects of corporate management such as efficiency, quality, cost, delivery times, morale, safety, and the environment; ⑦ Train top-quality personnel for equipment management and maintenance; ⑧ Foster a corporate culture that enhances the company’s image; ⑨ Build greater trust among customers in the company. 9. What are autonomous maintenance activities? Answer: Daily activities carried out by the production department to prevent equipment degradation. 10. What is the purpose of autonomous maintenance? Answer: To achieve the optimal condition in workshop and office areas, on-site essential items, work environments, working methods, production processes, and equipment operation, as well as to train employees to become experts in production and equipment management. 11. Definition of defects? Answer: A cause that leads to losses such as malfunctions or quality issues is called a defect. 12. What are the basic tasks for equipment maintenance? Answer: Cleaning, inspection, lubrication, and tightening. 13. What are the types of inspections? Answer: Routine inspections, periodic inspections, special inspections, precision inspections, and online inspections (monitoring). 14. What are the main areas that present difficulties? Answer: The areas with difficulties include those where cleaning is difficult, those where inspection is difficult, those where operations are difficult, and those where oiling is difficult. 15. What is the cleaning and inspection activity? Answer: It is an activity that involves cleaning and inspecting the site to identify inefficiencies, then correcting them and making improvements. 16. What are the 5 senses used in inspections? Answer: Vision – eyes, Hearing – ears, Touch – hands, Smell – nose, Taste – mouth. 17. What is the sequence of steps for initial cleaning? Answer: Determine the cleaning area → Select the objects to be cleaned → Share cleaning methods → Prepare cleaning tools → Provide training before cleaning → Carry out cleaning by all staff → Identify inefficiencies → Organize and analyze those inefficiencies → Establish improvement measures → Implement improvements → Prepare a plan for cleaning in the next period. 18. What is fixed-location photography? Answer: ① Taking photos at the same location, in the same position, and from the same direction; ② Date of photography: Indicating the date on which the photo was taken; ③ Colorization: Colors can convey effects better than black and white. 19. Why is it said that failures are caused by human factors? Answer: Equipment failures are ultimately resulting from people’s ways of thinking, poor management, and incorrect actions. 20. What is sorting activity? Answer: It refers to the entire process of distinguishing between necessary and unnecessary items at the site, and dealing with the unnecessary items. 21. What is the purpose of organizing activities? Answer: ① Remove unnecessary items to free up space, thereby improving and increasing the usable area for workshop operations; ② Keep the workplace free of clutter so that pathways remain unobstructed, thus enhancing work efficiency; ③ Prevent misdelivery and misuse of items; ④ Create a clean and tidy working environment. 22. What does rectification activity refer to? Answer: To prevent excess or shortage of necessary items and to facilitate access to them. 23. What are the main methods of organization? Answer: ① Three elements (location, method, labeling); ② Three fixes for items (fixed items, fixed locations, fixed quantities); ③ Visual management (using labels, marking lines, colors, etc. to indicate the status of items, so that it is clear whether everything is normal or abnormal, ensuring no mistakes are made regardless of who is handling them). 24. What is the concept of “item specification”? Answer: Information regarding the storage of necessary items (name, specifications, quantity, cycle, responsible person), etc., is clearly presented. 25. What is the concept of designated locations? Answer: It refers to determining the appropriate area or location for storing essential items. The principle behind this is to ensure easy access to them; items that are used frequently in the warehouse should be placed near the exit points. On shelves, heavier essential items should be kept on the lower levels, while those that are used frequently should be placed on the middle levels, and lighter items on the upper levels. 26. What is the concept of quantification? Answer: Determining the specific quantity of an item (such as the maximum amount, minimum amount, or order quantity). 27. What does cleaning refer to in the 6S activities? Answer: Thoroughly removing dust from a area and from necessary items in order to prevent damage. 28. What does cleaning refer to in the 6S activities? Answer: The cycle of sorting, organizing, and cleaning, along with establishing standards and adhering to them. 29. When operating and maintaining equipment, the “cross-operation method” should be followed. What are the specific steps? Answer: Cleaning, lubrication, tightening, rust removal, and corrosion prevention. 30. When the equipment is in operation, there are \"four no’s\" that must be observed. What are these \"four no’s\"? Answer: No exceeding temperature limits, no exceeding pressure limits, no exceeding speed limits, and no exceeding load limits. 31. What are the main contents of the “Three Goods and Four Skills” that operators should master? Answer: Three Goods: manage equipment well, use equipment properly, and maintain equipment effectively; Four Skills: know how to use it, know how to maintain it, know how to inspect it, and know how to troubleshoot faults. 32. Equipment lubrication management must strictly adhere to the “five fixings and three filtrations” system. What does “five fixings and three filtrations” mean? Answer: Five fixings: designate a person responsible, a specific location, a specific type of lubricant, a specific quantity, and a regular maintenance schedule; three filtrations: from the large oil storage tank to the on-site oil storage container, from the on-site oil storage container to the oil bottle, and from the oil bottle to the equipment’s oiling point. 33. Equipment maintenance should adhere to the principle of \"three no’s for handover.\" What does the principle of \"three no’s for handover\" mean? Answer: Do not carry out handover if the quality standards are not met, do not carry out handover without maintenance records, and do not carry out handover if safety and hygiene requirements are not satisfied. 34. What is the purpose of TPM team activities? Answer: Team activities are carried out based on the eight pillars and seven stages of TPM, with the aim of eliminating all inefficiencies in the workplace, improving production efficiency, reducing equipment failures, enhancing product quality, removing safety hazards, and cultivating talented individuals. 35. What is natural degradation? Answer: Natural degradation refers to the physical changes that occur in a device over time, even when it is used correctly, resulting in a decline in its initial performance. 36. What is forced degradation? Can forced degradation be controlled? Answer: Forced degradation refers to the situation where employees fail to follow the proper methods and standard procedures, thereby artificially causing degradation of the equipment. For instance, oil is not added where it should be, or although oil is added, the amount is insufficient or the interval between additions is too long. Forced degradation is controllable. 37. How are the goals for group activities set? Answer: There are two ways to set the goals for group activities. One is to break down the company’s and department’s goals, allowing group members to determine them on their own, while the other is to assign tasks that must be completed by the department head. 38. How can losses within a company be eliminated? Answer: First, identify the defects that are prone to causing losses in advance and eliminate them to prevent such losses from occurring; second, potential defects should be treated as actual defects, and efforts should be made to eliminate them. 39. What is the significance of autonomous maintenance? Answer: Maintenance activities in which all members of a TPM team participate are referred to as “autonomous maintenance activities involving everyone.” There are two meanings here: I manage my own equipment; I become an expert-level operator of equipment. 40. During self-maintenance activities, how do you manage your own equipment? Answer: I am able to carry out daily cleaning, inspections, oiling, tightening, and basic troubleshooting of the equipment under my responsibility, as well as early detection of abnormalities and precision checks. 41. What abilities are required to become an expert-level equipment operator? Answer: ① The ability to detect abnormalities in the equipment, as well as the ability to take corrective actions in response to such abnormalities; ② The ability to establish criteria for judgment, along with the capability to maintain effective equipment management. 42. What are the 5 key abilities that employees develop through cleaning in the initial stage of autonomous maintenance? Answer: ① The ability to remove minor defects and sources of contamination; ② The ability to establish basic conditions; ③ The ability to locate difficult-to-reach areas; ④ The ability to identify the source of problems; ⑤ The ability to recognize potential safety hazards. 43. What are the four principles of cleaning? Answer: From top to bottom, from inside to outside, from complex to simple, from input to output. 44. What are the eight aspects of TPM that are considered unreasonable? Answer: Sorting, standardizing, basic conditions, minor defects, sources of problems, difficult areas, areas causing concern, and others. 45. What are the three “present” elements referred to in “Three Present Management”? Answer: The site, the actual objects, and the current situation. 46. What are the four “0” goals of TPM? Answer: Zero breakdowns, zero defects, zero waste, and zero accidents. 47. What are the six main aspects that constitute sources of occurrence? Answer: They include pollution sources, defect sources, fault sources, hazard sources, waste sources, and sources of quality defects. 48. What is the purpose of addressing the source of the problem and the areas where difficulties occur in the two-stage approach? Answer: ① Eliminate the source of the problem to prevent dispersion, thereby shortening the cycles for cleaning, inspection, and oiling; ② Learn thinking methods and improvement techniques to achieve positive results. 49. What is planned maintenance? Answer: Activities carried out by specialized maintenance departments are known as “planned maintenance activities.” These activities aim to establish an efficient maintenance system that ensures equipment functions properly at all times, thereby enabling high-efficiency operation of the equipment at the lowest possible cost. 50. What does 5W2H, which is frequently used in TPM management activities, mean? Answer: ① WHAT—What is it? What’s the purpose? What tasks need to be carried out? ② WHY—Why should it be done? Is it possible not to do it? Are there any alternative solutions? ③ WHO—Who? Who will be responsible for doing it? ④ WHEN—When? At what time should it be done? What is the most appropriate timing? ⑤ WHERE—Where? Where should it be done? ⑥ HOW—How should it be done? How can efficiency be improved? How is it implemented? What are the methods? ⑦ HOW MUCH—How much? To what extent should it be done? What is the quantity required? What is the quality level? What are the costs and outcomes? 51. What is visual management? Answer: It refers to a management method in which human actions and the status of objects (normal or abnormal) can be easily understood at a glance. 52. What is the initial cleaning activity in the first phase of TPM autonomous maintenance? Answer: It involves thoroughly removing dust contamination centered around the equipment, as well as identifying and resolving minor defects. 53. Why is it necessary to understand the structural functions of the equipment under one’s responsibility before carrying out cleaning tasks? Answer: Because only by being familiar with one’s own equipment in advance can one more effectively identify any issues, and this helps prevent problems or accidents during the task, thus ensuring safety. 54. What is the core content of initial cleaning activities? Answer: Identifying inefficiencies, analyzing them, and improving them. 55. What is the purpose of fixed-point photography? Answer: To improve the contrast before and after, thereby highlighting the process of improvement as well as its results. 56. What is the purpose of creating a standard document? Answer: To ensure the ongoing management of the results of activities, and to provide a basis for determining whether things are operating normally or abnormally. 57. What are the main aspects covered in the Phase 1 diagnosis of autonomous maintenance? Answers: ① The conditions at the site, including the actual location, physical objects, and current situation; ② Whether the processes and results of the activities meet the required standards (as indicated by kanbans); ③ The extent to which team members have mastered the basic knowledge; ④ Outstanding improvement examples and their results. 58. What is the difference between cleaning in 6S and cleaning during the initial cleaning phase? Answer: Cleaning in 6S mainly involves tidying up equipment and the surrounding area, while the initial cleaning phase includes identifying and addressing any unreasonable aspects. 59. What is OPL education? Answer: OPL is a type of short-course education, also known as “10-minute education” or “micro-education”. It refers to an educational method in which a specific issue is outlined on paper and then used to provide 5–10 minutes of instruction to group members, thereby resolving their doubts. Education is primarily centered around points of doubt. 60. What results should be achieved from the activities aimed at addressing the difficulties in source locations in the second phase? Answer: Achieve two increases and two decreases. Two increases: an extension of the cycles for cleaning and inspection; two decreases: a reduction in the time required for cleaning and inspection. 61. What is the difference between creating a phase plan and a monthly plan? Answer: With a phase plan, it’s not necessary to designate a responsible person for each task, while a monthly plan needs to be detailed and specific – it requires identifying the person in charge of each task as well as setting specific dates. It’s important to try to avoid having tasks span from the beginning to the end of the month. 62. What is the depth of the Why-Why analysis for measures to prevent recurrence? Answer: ① Technical reasons: design defects, manufacturing defects, installation defects, and so on; ② Management reasons: Are there standards? Are these standards sufficient? Is there an understanding of these standards? What is the ability to implement them? How is the implementation of these standards evaluated? 63. Briefly describe the relationship between failure, degradation, and recovery. Answer: Degradation is the process of gradually approaching failure; recovery is the process of returning to the original state. During degradation, a failure occurs when the strength of a component is lower than the stress applied to it. 64. What are the 3M activities? Answer: Preventive Maintenance (PM–Preventive Maintenance), Predictive Maintenance (PM–Predictive Maintenance), and Corrective Maintenance (CM–Corrective Maintenance); these are collectively referred to as the 3M activities. 65. What is preventive maintenance? Answer: It is the practice of maintaining equipment in a fault-free condition through regular inspections. 66. What is predictive maintenance? Answer: It is a type of maintenance in which the senses or precision instruments are used to diagnose and analyze the condition of equipment, predict the extent of its deterioration, and take preventive measures before any equipment failures occur. 67. What is improved maintenance? Answer: Improvement activities carried out to enhance the reliability, maintainability, safety, etc. of equipment, regardless of whether it has defects or not. 68. What is the core of the improved maintenance CM activities? Answer: The core is to conduct thorough inspections to identify problems in the individual units, with an emphasis on improvement activities involving all employees. 69. What are the three elements of TPM activities? Answer: 1) Boards: Activity boards. Their functions are: ① Information exchange; ② Intelligence sharing; ③ Self-presentation. 2) Objects: The subjects of the activities; the “three presents” refer to the actual site, actual objects, and current conditions. 3) People: The main participants in the activities. 70. What should be noted during equipment cleaning and inspection? Answer: During cleaning and inspection, it is important to: study cleaning tools and develop them; carry out actions to address the sources of problems simultaneously; and determine the appropriate methods for cleaning. 71. What are the three core concepts of TPM activities? Answer: ① The concept of small-group activities; ② The concept of prevention; ③ The concept of achieving \"zero\" defects. 72. What are the two main approaches to controlling pollution sources? Answer: One is to eliminate the pollution sources; the other is to prevent their spread.
73. How can areas that are difficult to clean be effectively addressed? Answer: One way is to eliminate the sources of pollution, thereby eliminating the difficult-to-clean areas as well. The other way is to design and develop specialized cleaning tools, making it easier to clean those areas. 74. Should positive incentives or negative incentives be used primarily in TPM activities? Why? Answer: Positive incentives should be used primarily, with negative incentives serving as a supplement. Because people enjoy being praised and encouraged, and encouragement can help unleash one’s potential even more. Appropriate penalties should be imposed on those who repeatedly refuse to mend their ways. 75. When conducting equipment inspections, what elements must be determined? Answer: It is necessary to determine the inspection area, route, frequency, key areas to be inspected, and the specific requirements for the inspection content, etc. 76. What are the key points of cleaning activities? Answer: ① Before the cleaning activity: make preparations, formulate a plan, investigate the equipment to be cleaned, prepare the necessary tools, and provide safety training; ② During the activity: carry out thorough cleaning and look for any issues; ③ After the activity: gather together to record the issues found by each person, discuss possible solutions, summarize the problems that arose during this activity, and determine the preparations needed for the next one. 77. What is the purpose of creating a cleaning and inspection standard manual? Answer: The purpose is to sustain the results of activities and maintain the current state of the site. Through ongoing management, it helps to keep the site in good condition and prevents it from reverting to its previous state during the implementation phase of activities. 78. What are the three core concepts of autonomous maintenance? Answer: 1) The concept of small-group activities; 2) The concept of minor defects: wear and tear, deformation, corrosion, aging, heat generation, leakage, rusting, noise, unusual odors, damage, looseness, and other issues; 3) The concept of immediate action. 79. What are the main aspects of the 2step activities centered on equipment? Answer: Activities aimed at thoroughly identifying and eliminating the sources of problems as well as difficult-to-remove sources, in order to prevent the spread of issues. 80. What does LCC stand for? What is its meaning? What specific contents does it encompass? Answer: LCC is an abbreviation for Life Cycle Cost, which refers to the total cost over a equipment’s life cycle. It includes all expenses incurred during the expected lifespan of the equipment, such as those related to its justification, development, production, operation, maintenance, decommissioning, disposal, and material recycling. 81. Why is a diagnosis by the general manager conducted in TPM activities? Answer: ① To show the general manager the opportunities for achieving results; ② To provide the general manager with an opportunity to motivate and reward the team. 82. What are the three levels of TPM level 3 diagnosis? Answer: The first level is expert diagnosis; the second level is diagnosis by department heads; the third level is diagnosis by the general manager. 83. When both the source of the problem and the difficult area exist, which one should be addressed first? Answer: Address the source of the problem first; once that is resolved, the difficult area often no longer exists. 84. What is the purpose of stage diagnosis in TPM? Answer: ① To share the processes and achievements of team activities; ② To identify existing shortcomings and facilitate continuous improvement; ③ To promote the ongoing implementation of TPM activities within the team; ④ To discover and cultivate talented individuals; ⑤ To enhance the teamwork spirit among team members. 85. What is the difference between OPL education and our traditional education today? Answer: Traditional education is one-way, whereas in OPL education, employees create their own teaching materials and educate each other by explaining the content they consider necessary; it is a two-way form of education. 86. What are the principles of visualization? Answer: ① Visualization (color management); ② Transparency (revealing what is hidden); ③ Delimitation (marking upper and lower limits as well as boundaries). 87. What is a question point? Answer: A question asked when, in TPM activities or work, one does not know why a certain phenomenon occurs or whether it is abnormal. 88. The TPM initiative ultimately achieves a win-win-win situation – for whom? Answer: individuals, the company, and society. 89. What are the seven stages of TPM activities? Answer: Stage 1: Initial cleaning; Stage 2: Measures for problem areas and sources of issues; Stage 3: Development of standards for cleaning, inspection, and lubrication; Stage 4: Comprehensive inspection; Stage 5: Self-inspection; Stage 6: Quality assurance; Stage 7: Autonomous management. 90. In the first phase of TPM management activities, which five main categories of irregularities are identified? Answer: Irregularities related to deterioration, irregularity sources, problematic areas, points of uncertainty, and critical irregularities. 91. What are the four basic principles of improvement in TPM activities? Answer: ① Elimination; ② Combination; ③ Rearrangement; ④ Simplicity. 92. What are the key points for formulating standards for cleaning, inspection, and lubrication in the third stage of TPM management? Answer: ① Clarify the contents and methods to be followed; ② The reasons for and understanding behind these requirements; ③ The capabilities needed to comply with them; ④ The environment in which compliance is possible (time, methods of implementation, etc.); ⑤ Ensuring consistency between those who formulate the standards and those who follow them. 93. What are the functions of injecting oil into bearings? Answer: ① Reducing friction: Preventing wear on the friction surfaces between metals; ② Cooling effect: Absorbing the heat generated at the friction surfaces; ③ Sealing effect: Preventing air from penetrating into the friction surfaces; ④ Anti-rust effect: Preventing rust formation by stopping direct contact between metal surfaces and moisture or air. 94. What is a processing point? Answer: The point where the material comes into contact with equipment or tools is called a processing point. 95. What are the 3 main systems of a processing point? Answer: ① The system that forms the processing point; ② The system that determines the location of the processing point; ③ The system that maintains the continuity of the processing point. 96. How to explain Heinrich’s Law? Answer: 300∶29∶1. This law means that when a company has 300 potential hazards or violations, it is very likely that 29 minor injuries or malfunctions will occur; in addition, there will be one serious injury or fatal accident. If a device has 300 micro-defects, it is possible to experience 29 minor failures, in addition to one major failure. 97. What is the 4PHASE approach to fault management? Answer: ① PHASE: Disperse fault density – Repair neglected degraded areas to prevent further degradation; ② PHASE: Extend service life – Improve design flaws, eliminate sudden failures, and repair visual defects; ③ PHASE: Regularly repair degradation – Carry out regular repairs and improvements, detecting abnormalities through sensory checks; ④ PHASE: Predict service life – Use equipment diagnosis techniques to predict the remaining service life and provide technical explanations for severe failures. 98. What is individual improvement? Answer: Individual improvement refers to activities aimed at enhancing the performance of equipment by completely eliminating losses in fixed elements such as equipment and production lines, thereby maximizing efficiency. 99. What are the three essential elements required for production activities? Answer: Labor (MAN), Machinery (MACHINE), and Materials (MATERIAL). 100. How is the PDCA cycle explained? Answer: The PDCA cycle was invented by Deming; it is a management method used in quality management for maintaining and improving processes. The sequence is PLAN (planning) → DO (execution) → CHECK (inspection) → ACTION (action taken).