Industrial Maintenance

Mechanical Engineering
5 ECTS; 2º Ano, 2º Semestre, 15,0 T + 30,0 TP + 15,0 TC + 3,50 OT

- António Jorge Martins de Araújo Gomes
- Jorge Manuel Afonso Antunes
- Flávio Rodrigues Fernandes Chaves

Prior knowledge of statistics and reliability

Ministering to the students knowledge of Maintenance Management. Equip students with tools capable of organizing and / or managing a maintenance department.

1. Introduction to Industrial Maintenance:
1.1. Definition of Maintenance;
1.2. Function Maintenance Industry
1.3. Objectives of a Maintenance Organization;
1.4. Functional organization chart of the Organization of Maintenance Service
1.5. Types of maintenance;
1.6. Times relating to maintenance;
1.7. Reliability Maintainability, Availability;
1.8. Different forms of maintenance: Curative Maintenance and Preventive Maintenance;
1.9. Other activities Maintenance Service;
1.10. Selecting the type of maintenance to use.
2. Equipment of knowledge:
2.1. Nature and Equipment Classification;
2.2. Analyse Equipment levels;
2.3. History equipment.
3. Behavior of goods or equipment:
3.1. Definition of damage;
3.2. Study of a system;
3.3. Damage rates;
3.4. Exploitation of damage reports;
3.5. Pareto diagrams;
3.6. Systems Reliability curve.
4. Centered Maintenance Reliability:
4.1. Definition of reliability;
4.2. Definition of failure;
4.3. Intrinsic and extrinsic reliability;
4.4. Reliability requirements;
4.5. Lifecycles of an organ;
4.6. Steps Reliability;
4.7. Measurement Reliability;
4.8. Mortality curve (or survival);
4.9. Common statistical distributions to represent the expected life;
4.10. Size of a sample, test time, confidence level.
5. Maintainability and Availability:
5.1. Definition of maintainability;
5.2. Repair Technicians times;
5.3. Notion of availability;
5.4. Model Availability;
5.5. Predictive reliability.
6. Analysis of Maintenance Costs:
6.1. Importance of cost analysis;
6.2. Direct and indirect costs;
6.3. Amortization Analysis Model;
6.4. Different costs depending on the type of maintenance.
7. Preparation of Maintenance Actions:
7.1. Criticality table of equipment;
7.2. Use of an ABC curve;
7.3. Preparation of Corrective Maintenance;
7.4. Preparation of Palliative maintenance;
7.5. Preparation of repair works;
7.6. Preventive Actions of preparation;
7.7. Preparation of Ronda maintenance;
7.8. Preparation of Systematic Maintenance;
7.9. Preparation of the Conditional Maintenance.
8. Function Planning:
8.1. The five planning levels;
8.2. Specific character of the maintenance work planning;
8.3. Procedures Relating to Maintenance Work.
9. Maintenance Service Management:
9.1. Iterative Model Management;
9.2. Management Indicators description;
9.3. Replacement Parts Inventory Management;
9.4. Spent Frequent parts management;
9.5. Parts Management "Security";
9.6. Maintenance and Foreign Markets.
10. The maintenance policy:
10.1. Choice of Technical Economic Objectives;
10.2. Choose Maintenance Method to Apply;
10.3. Optimization of Preventive level to be used;
10.4. Repairable equipment;
10.5. Optimization replacement period;
10.6. Equipment replacement;
10.7. Possession cost of equipment.

Evaluation Methodology
Two written tests (75%) and fieldwork report (s) (25%)

Written assessment includes tests and/or exams. A minimum of 7.0 is required in the written test

- Ferreira, L. (1998). Uma introdução à manutenção. (Vol. .). (pp. 1-193). Portugal: Publindústria

Method of interaction
Lectures and theoretical-practical sessions with content presentation and resolution of worksheets. Fieldwork classes include on-site visits to industry and workshops with Maintenance Engineer as a guest speaker.

Software used in class