Lubrication

Code:

MI16

Sigla:

LUB

Áreas Científicas
Classificação	Área Científica
CNAEF	Metallurgy and Metal Mechanics

Ocorrência: 2022/2023 - 1S

Ativa?	Yes
Unidade Responsável:	Departamento de Engenharia Mecânica
Curso/CE Responsável:	Professional Technical Higher Education Course in Industrial Maintenance

Ciclos de Estudo/Cursos

Sigla	Nº de Estudantes	Plano de Estudos	Anos Curriculares	Créditos UCN	Créditos ECTS	Horas de Contacto	Horas Totais
TSPMI	10	Plano de Estudos	2	-	3	30	81

Docência - Responsabilidades

Docente	Responsabilidade
Rui Pedro Cardoso Batista Ferreira

Docência - Horas

Theorethical and Practical :

2,00

Type	Docente	Turmas	Horas
Theorethical and Practical	Totais	1	2,00
Theorethical and Practical	Rui Pedro Cardoso Batista Ferreira		2,00

Língua de trabalho

Portuguese

Objetivos

Acquire knowledge about the properties of lubricants and lubrication.

Resultados de aprendizagem e competências

At the end of the course the student should be able to identify the phenomena of Wear, Friction, Wear Mechanisms and Lubrication, as well as identify and evaluate lubricants to achieve the goals of efficient lubrication in industrial maintenance. Also identify and select the application and handling methods in the industrial lubrication of machinery and equipment.

Modo de trabalho

Presencial

Programa

I - LUBRICATION
1. General Concepts; surfaces, wear and mechanisms of wear; Lubricant and Lubrication;
2. Friction. Viscosity; Dynamic Viscosity and Kinematic Viscosity;
3. Classification for Oil Viscosity. Classification S A, ISO Classification;
4. Functions of Lubricants;
5. Lubricating Film;
6. Types of Lubrication;

II - LUBRICATING OILS
1. Production of lubricants;
2. Properties of lubricating oils;
3. Viscosity; Viscosity Index;
4. Pour point;
5. Flash point (inflammation);
6. Color;
7. Density.

III - ADDITIVES
1. Anticorrosive agents;
2. Anti-wear;
3. Antifoam;
4. Antioxidants;
5. Detergents;
6. Dispersants;
7. Extreme Pressure;
8. Viscosity Index Improvers;
9. Pour Point Adjusters.

IV - METHODS FOR THE APPLICATION OF OILS
1. Gravity lubrication methods;
2. Methods of lubrication by capillarity;
3. Lubrication methods by Splash;
4. Immersion Lubrication Methods;
5. Lubrication Methods by Forced System;
6. Grease lubrication methods;
7. Precautions in the application of lubricants;
8. Lubricating accessories;
9. Ownership of lubricating oils.

V- LUBRICATING MASSES
1. Consistent mass definition and constitution;
2. Application of consistent masses;
3. Types of pasta;
4. Mass Compatibility Chart;
5. Properties of greases;
6. Consistency;
7. Drop point;
8. Pumpability;
9. Classification for consistent masses;
10. NLGI mass classification system;
11. DIN specifications for weights.

Bibliografia Obrigatória

Luís Andrade Ferreira; Tribologia - Lubrificação e Lubrificantes, Publindústria, 2000
Theo Mang, Wilfried Dresel ; Lubricants and lubrications , Wiley-VCH, 2001

Métodos de ensino e atividades de aprendizagem

Theoretical-practical classes, in which the subject is explained with the help of examples of real cases. Self-study and development and presentation of group work.

Tipo de avaliação

Distributed evaluation with final exam

Componentes de Avaliação

Designation	Peso (%)
Teste	75,00
Trabalho escrito	25,00
Total:	100,00

Componentes de Ocupação

Designation	Tempo (Horas)
Estudo autónomo	10,00
Frequência das aulas	81,00
Trabalho escrito	9,00
Total:	100,00

Obtenção de frequência

Continuous evaluation:

1º Test (37,5%) + 2º Test (37,5%) + Group work and presentation (25%).
Continuous assessment + Group work and presentation, weighting 50% of the final grade.

Mandatory attendance of at least 75% in classes to access continuous assessment.

Assessment by Exam:

Exam (75%) + Group Work and Presentation (25%).

The Student must obtain a positive grade for both evaluation components.

Fórmula de cálculo da classificação final

Continuous evaluation:

1º Test (37,5%) + 2ª Test (37,5%) + Group work and presentation (25%).

Assessment by Exam:

Exam (75%) + Group Work and Presentation (25%).

Melhoria de classificação

Students who pass the current academic year will only be able to improve their classification in this curricular unit in the recourse exam if they are duly registered in the Academic Division.

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