Technical Mechanics

Major: Transport technology (by Automobile Transport)
Code of subject: 6.275.03.O.016
Credits: 5.00
Department: Department of Technical Mechanics and Engineering Graphics
Lecturer: Kychma Andrii
Semester: 2 семестр
Mode of study: денна
Learning outcomes: Basic scientifi cconcepts, the oriesandmethods of technical mechanics necessary forunderstandingoftheprinciplesofoperationandfunctionalpurposeofcars, trucksandloadingandunloadingdevices, methodsofcalculationsandassessmentofsafeoperationconditions, characteristicsanddesignfeaturesoffixedandmovingtransportobjects, basicconceptsthetheoryofmechanismsandmachines; thebasicprinciplesofdesigningthat include: thetypesandcompletenessofdesigndocuments, thecharacteristicsofstructuralmaterials, theconceptoftechnologicalandproductmanufacturingaccuracy; designandcalculationoftypicalelementsoftechnicalobjectssuchaspartsjoining, mechanicaltransmission, shafts, bearings, couplings, springs, ropes, etc.
Required prior and related subjects: Mathematics, Physics, Informatics Vehicle safety Loading and unloading means, Expert analysis of road traffic event.
Summary of the subject: The purpose and tasks of the discipline, its place in the educational process. Contents, tasks and current trends in the development of technical mechanics. List of information from previous disciplines, knowledge of which is necessary for successful study of the course. Basics of statics, kinematics and solid state dynamics. Basic concepts of statics. The stitches and their reactions. Moment of force, system of forces. Conditions of equilibrium of the plane and spatial system of forces. Basic concepts and dependencies of kinematics and dynamics of a solid body. General provisions for calculation of strength and stiffness. Themaintasksofcalculationsfordurabilityandrigidity. Estimationmodelsandschemesoftechnicalobjects. Externaleffortsandtheirclassification. Internalefforts, theirmaintypes, themethodoftheirdeterminationandtheconstructionoftheessay. Conceptsoftensionandtheirconnectionwithinternalefforts. Geometriccharacteristicsofplanecrosssections. Elasticdeformationsandtheirrelationshipwithstress. Basicsofstresstheory. Generalprinciplesofcalculationsforstrength. Mechanicalcharacteristicsofstructuralmaterials. Testingmaterialsforstretching. andsqueeze. Mechanicalcharacteristicsofmaterials. Hardnessofmaterials. Methodsofdeterminationofhardness. Permissiblestressesinstrengthcalculations. Central stretch (compression) of a direct rod. Deformation of the shear and torsion of the rods. Tension in the cross-section of the rod during tension (compression). Conditions of strength. Deformations of the rod when tensile and compression. Hooke's Law. Tension and deformation at displacement. Condition of durability. Tension stress in transverse sections of a round rod. Tensile strength at torsion. Deformation of rods at torsion. Flattransversebendofbeams. Flexuralresistance. Stabilityofcompressedrods. Normalbendingstresses. Tensionbendingbending. Calculationsofbeamsforbendingstrength. Deformationoftherodsatbending. Torsionandtorsionbend. Stabilityofrods. Criticaleffort. Calculationofthestabilityofthecompressedrods. Staticundefinedsystems. Basicconceptsanddefinitions. Stagesofcalculationofstaticallyuncertainsystem. Calculationofsimplestaticallyundeterminedbeams .. Strengthwithvariablesintimestresses. Tribeengineeringofconjugatedmachineelements. Cyclesofvariablestressesandfatigueofmaterials. Theboundaryofenduranceofmaterials. Determinationofthecoefficientsofthestrengthofthepartswhencalculatingfatigue. Typesoffrictionanditsbasiclaws. Frictionlossesinconjugationofmachineparts. Typesofwearandtearandwearresistance. Basicconceptsinthetheoryofmachinesandmechanisms. Generaldefinitions, structureandclassificationofmechanisms. Somecommontypesofmechanisms.
Assessment methods and criteria: Methodsandcriteriaforassessingknowledge Currentcontrol ( PK) ProtectionoftheRGR (8 points); protectionofreportstolaboratoryworks (16 points), conductingofcontrolmeasuresinwriting 6 (points). ExaminationControl: Written component-60 points; oralcomponent -10 points.
Recommended books: Рекомендована література Базова 1. Булгаков В.М., Черниш О.М., Яременко В.В. Технічна механіка: навчальний посібник. Ніжин: ТЩВ «Видавництво «Аспект – Поліграф», 2013. – 732 с. 2.Павлище В.Т., Харченко Є.В. Барвінський А.Ф., Гаршнєв Ю.Г.. Прикладна механіка. Навч.посібник. – Львів: «Інтелект-Захід». 2004. – 368 с. 3. Малащенко В.О. Деталі машин. – Львів, Новий світ – 2000, 2015. – 192 с. 4. Малащенко В.О., Сологуб Б.В. Деталі машин . Конспект лекцій. – Львів: Видавництво НУЛП, 2014. – 152 с. 5. Кіницький Я.Т. Практикум із теорії механізмів і машин. Вид-во „Афіша”, Львів, 2002.– 452 с. 6. Павлище В.Т.,.Гелетій В.М. Оптимізація і надійність об’єктів проектування. Конспект лекцій. Вид-во „Львівська політехніка”, Львів, 2005. Допоміжна 1.Павлище В.Т. Підшипники кочення. Основні параметри, конструкції опор, ущільнення та розрахунки ресурсу. Довідник. НУ «Львів.політехніка», Інф.-вид. Центр “Інтелект”, 2001 136 с. 2. Павлище В.Т. Данило Я.Я. Різьби, різьбові з’єднання та кріпильні деталі. Довідник. НУ “Львів.політехн.”, Інф.-вид. Центр “Інтелект”, 2001 , 239 с. 3. Малащенко В.О., Павлище В.Т. Деталі машин. Збірник завдань та приклади розрахунків. Львів, 2010. – 216 с.