TÜRKÇE
ENGLISH
Information
| Code | MMB310 |
| Name | Machine Elements II |
| Term | 2024-2025 Academic Year |
| Semester | 6. Semester |
| Duration (T+A) | 3-0 (T-A) (17 Week) |
| ECTS | 4 ECTS |
| National Credit | 3 National Credit |
| Teaching Language | Türkçe |
| Level | Lisans Dersi |
| Type | Normal |
| Mode of study | Yüz Yüze Öğretim |
| Catalog Information Coordinator | Doç. Dr. KERİMCAN ÇELEBİ |
| Course Instructor |
1 2 |
Course Goal / Objective
To help students understand the basic principles and aplications of chip-type machining processes, calculate and select turning and millinge parametrs, understand the basic principles and aplications of thermal joining processes
Course Content
Chip-type machining processes. Forces in cutting. Energy and power in machining. Cutting fluids. Cutting tools for machining. Tool materials. Tool geometry. Tool failure and tool life. Turning and related processes. Shaping and planing. Finishing processes. Milling. Milling cutters. Welding processes. Oxyfuel gas welding. Shielded metal arc welding; electrodes, electrode coatings, arc blow. Gas metal arc welding. Submerged arc welding. Plasma arc welding. Resistance welding. Other welding processes. Distortion in welding. Brazing and soldering. Braze welding.
Course Precondition
None
Resources
Engineering Design, George E. Dieter, L.C. Schmidt, Mc-Graw Hill, 5th edition
Notes
Lecture Notes
Course Learning Outcomes
| Order | Course Learning Outcomes |
|---|---|
| LO01 | Knows the type and use of mechanical springs |
| LO02 | Obtains stress and deflection expressions and determines stress and deflections on helical springs |
| LO03 | Designs and analyzes compression, tension and torsional springs under static and fatigue loads considering their critical frequencies. |
| LO04 | Selects appropriate bearing by knowing characteristics of journal and rolling contact bearings. |
| LO05 | Selects ball, roller and tapered rolling contact bearings by considering the bearing loads, and applies hem in design applications under lubrication. |
| LO06 | Knows the type of lubrication forms (hydrodynamic, hydrostatic, boundary lubrication etc.) and selects the appropriate one. |
| LO07 | Designs journal bearings under pressure-fed or under hydrodynamic conditions considering the bearing optimization technique. |
| LO08 | Knows the type of gears and selects the appropriate one for an application |
| LO09 | Designs all types of gears (spur, helical, bevel and worm gears) used on gear boxes |
| LO10 | Knows the characteristics of clutches, brakes, couplings and flywheels. |
| LO11 | Designs principal types of mechanical elements |
Relation with Program Learning Outcome
| Order | Type | Program Learning Outcomes | Level |
|---|---|---|---|
| PLO01 | Beceriler - Bilişsel, Uygulamalı | Understanding the fundamentals of Mechanical Engineering | 5 |
| PLO02 | Beceriler - Bilişsel, Uygulamalı | Being well equipped with knowledge of Mathematics, Science and Basic Engineering | 5 |
| PLO03 | Yetkinlikler - Öğrenme Yetkinliği | Having capability of designing and executing experiments; examining the results and data | 3 |
| PLO04 | Yetkinlikler - Öğrenme Yetkinliği | Being well equipped with various engineering techniques and skills | 3 |
| PLO05 | Yetkinlikler - Öğrenme Yetkinliği | Being able to design a system ,a component or a process with taking into consideration the technical, economic, enviromental, sustainability limitations | 2 |
| PLO06 | Bilgi - Kuramsal, Olgusal | Ability to analyze the applications on a factory without any help, investigate the problems, formulizing and finding a proper solution for the problems | 2 |
| PLO07 | Yetkinlikler - Öğrenme Yetkinliği | Ability to design , developing getting ready for use of a product or manufacturing process | 5 |
| PLO08 | Yetkinlikler - Bağımsız Çalışabilme ve Sorumluluk Alabilme Yetkinliği | Understanding the importance of life-time learning and being updated | |
| PLO09 | Beceriler - Bilişsel, Uygulamalı | Having advanced speaking and writing English skills | |
| PLO10 | Yetkinlikler - Öğrenme Yetkinliği | Using Computer effectively; for computed aided design, analysis and illustrating | 3 |
| PLO11 | Yetkinlikler - Bağımsız Çalışabilme ve Sorumluluk Alabilme Yetkinliği | Being prone to teamwork, well communication with others, adaptability to interdisciplinary teams | |
| PLO12 | Bilgi - Kuramsal, Olgusal | Being aware of the technical and ethical responsibility, being curious and innovative |
Week Plan
| Week | Topic | Preparation | Methods |
|---|---|---|---|
| 1 | MECHANICAL SPRINGS; Stresses in Helical Springs Deflection of Helical Springs, Extension Springs, Compression Springs, Stability,Spring Materials, | Read the related topics in the lecture notes and reference books | Öğretim Yöntemleri: Anlatım, Tartışma, Problem Çözme |
| 2 | Critical Frequency of Helical Springs, Fatigue Loading, Helical compression spring design for fatigue loading, Extension springs, Helical Torsion Springs, Belleville Springs, Miscellaneous Springs | Read the related topics in the lecture notes and reference books | Öğretim Yöntemleri: Anlatım, Tartışma, Problem Çözme |
| 3 | ROLLING CONTACT BEARINGS; Bearing types, bearing life, bearing load life at rated reliability, bearing survival, relating load, life and reliability, | Read the related topics in the lecture notes and reference books | Öğretim Yöntemleri: Anlatım, Tartışma, Problem Çözme |
| 4 | Combined radial and thrust loading, Variable loading, Selection of Ball and Straight Roller Bearings, Selection of Tapered Roller Bearings, Design assesment, Lubrication, Mounting and Enclosure | Read the related topics in the lecture notes and reference books | Öğretim Yöntemleri: Anlatım, Tartışma, Problem Çözme |
| 5 | LUBRICATION AND JOURNAL BEARINGS:Types of Lubrication, Viscosity, Petroffs Law, Stable Lubrication, Thick-Film Lubrication, Hydrodynamic Theory, Design Considerations, The relations of the variables, | Read the related topics in the lecture notes and reference books | Öğretim Yöntemleri: Anlatım, Tartışma, Problem Çözme |
| 6 | Clearence, Pressure-Fed Bearings, Loads and materials, Bearing Types, Thrust Bearings, Boundary- Lubricated Bearings | Read the related topics in the lecture notes and reference books | Öğretim Yöntemleri: Tartışma, Problem Çözme |
| 7 | GEARS-General, Types of gears, Nomenclature, Conjugate Action, Involute Properties, Fundamentals, Contact Ratio, interference, The Forming of Gear Teeth, | Read the related topics in the lecture notes and reference books | Öğretim Yöntemleri: Anlatım, Tartışma, Problem Çözme |
| 8 | Mid-Term Exam | Read the related topics in the lecture notes and reference books | Ölçme Yöntemleri: Yazılı Sınav |
| 9 | Staight bevel gears, parallel helical gears, Worm gears, Tooth systems, Gear trains, force analysis for all gears | Read the related topics in the lecture notes and reference books | Öğretim Yöntemleri: Anlatım, Tartışma, Problem Çözme |
| 10 | SPUR AND HELICAL GEARS, The Lewis bending equation, Surface Durability, AGMA Stress and Strength equations, all related design factors based on AGMA | Read the related topics in the lecture notes and reference books | Öğretim Yöntemleri: Anlatım, Tartışma, Problem Çözme |
| 11 | BEVEL and WORM GEARS; Bevel gearing, Bevel gear stress and strengths, AGMA equation factors,Straight bevel analysis, Design of a straight-Bevel gear mesh, Worm gearing, design and anlaysis | Read the related topics in the lecture notes and reference books | Öğretim Yöntemleri: Anlatım, Tartışma, Problem Çözme |
| 12 | CLUTCHES, BRAKES, COUPLINGS, AND FLYWHEELS; Statics, Internal-Expanding rim clutches and brakes, External-contracting rim clutches and brakes, band-type clutches and brakes, frictional contact axial clutches | Read the related topics in the lecture notes and reference books | Öğretim Yöntemleri: Anlatım, Tartışma, Problem Çözme |
| 13 | Cone clutches and brakes, energy considerations, temperature rise, friction materials,miscellaneous clutches and couplings, flywheels. | Read the related topics in the lecture notes and reference books | Öğretim Yöntemleri: Anlatım, Tartışma, Problem Çözme |
| 14 | FLEXIBLE MECHANICAL ELEMENTS; Belts, Flat-Belt Drives, V-Belts, Roller Chain, | Read the related topics in the lecture notes and reference books | Öğretim Yöntemleri: Anlatım, Tartışma, Problem Çözme |
| 15 | Rope Drives, Wire Rope- | Read the related topics in the lecture notes and reference books | Öğretim Yöntemleri: Anlatım, Tartışma, Problem Çözme |
| 16 | Term Exams | Read the related topics in the lecture notes and reference books | Ölçme Yöntemleri: Yazılı Sınav |
| 17 | Term Exams | Read the related topics in the lecture notes and reference books | Ölçme Yöntemleri: Yazılı Sınav |
Student Workload - ECTS
| Works | Number | Time (Hour) | Workload (Hour) |
|---|---|---|---|
| Course Related Works | |||
| Class Time (Exam weeks are excluded) | 14 | 3 | 42 |
| Out of Class Study (Preliminary Work, Practice) | 14 | 3 | 42 |
| Assesment Related Works | |||
| Homeworks, Projects, Others | 0 | 0 | 0 |
| Mid-term Exams (Written, Oral, etc.) | 1 | 7 | 7 |
| Final Exam | 1 | 18 | 18 |
| Total Workload (Hour) | 109 | ||
| Total Workload / 25 (h) | 4,36 | ||
| ECTS | 4 ECTS | ||