Структура за темами
19.01.2024 Exam at 9:50
There will be exam online You should be ready to prepare handwritten answer on 2 questions and send foto of answer in Mentor. Be ready not to copy from electronic lectures and books but to give your own answer. Plagiarism is strongly prohibited.
18.01.2024 Online consultation Borysevych V., Nikichanov V.
26.10.2023 8-00 Lecture "Metal working. Introduction. Classification of plastic metalworking processes
3.11.2023 Lecture Heating of metal before metalworking. Rolling
Blue Button doesn't work. Link for 3.11.2023 Google meet https://meet.google.com/qtk-reve-jkq
10.11.2023 9:50 - 11:30 Lecture "Extrusion, wire drawing"
Blue button doesn't work. Google meet link https://meet.google.com/trz-wxej-ovq
10.11.2023 11:55 - 13:30 lab work "Extrusion"
10.11.2023 12:00 Google meet https://meet.google.com/fry-ojjp-gnx
17.11.2023 Online lecture "Open Die Forging"
Videoconference https://meet.google.com/rrh-ewdg-hbk
24.11.2023 Onlline lecture "Close die forging
24.11.2023 Videoconference online lab. work Closed die forging https://meet.google.com/mbv-frrq-tcr
24.11.2023, 11:55 Videoconference https://meet.google.com/mbv-frrq-tcr
1.12.2023 9-50 Online lecture
8.12.2023 Lecture "Multiple Impression forging, specialized forging processe"
Link for videoconference https://meet.google.com/oej-zxvy-bnk
15.12.2023 Planning of the forging process. Auxiliary operations for forging processe. Forging defects
Link for Google meet https://meet.google.com/vkq-vgkd-rrh
Labarotory Works and Tests, Welding, module 1
Module , Welding and Allied Processes, 27.06.22 EXAM
Module 2, Welding. "Exam Sheets" with answers Завдання
Please, make snaps of your HANWRITTEN answer to a question given by teacher, place them into PDF file and submit here. Dead line is 16-17
List of Questions
Exam CARDS Файл
Please, do the photos of your HANWRITTEN answer to a question given by teacher, place them into PDF file and submit here. Dead line is 14:00
QUESTION FOR MODULE
Questions
Theory of plasticity
- Definition of Stress and Strain. Types of stress and strain.
- Definition of the State of Stress at a Point. Stress tensor, deviatoric state of stress, mean stress, principal stresses. Tensor invariants.
- Engineering and true stress-strain diagrams
- Types of stress-strain diagram. Bauschinger effect
- Yield criteria, assumptions. Geometrical interpretation
- Laws of conservation and their application in metalworking science.
- Engineering stress, tension and compression tests, requirements.
- Idealized stress-strain curves and their empirical equations.
- Approximate methods – upper bound, slip line, finite element method
Metalworking engineering
- Importance of metalworking in aircraft manufacturing. Aircraft parts produced by metalworking. Particularities of metalworking processes and their classification.
- Heating of metal before PMW. Temperature interval of heat treatment. Types of heat treatment.
- Processes and equipment for metal heating before plastic deformation and their comparison.
- Principles of classification of metalworking processes. Classification of metalworking processes.
- Classification of the equipment for plastic metal working.
- Forging and die-forging hammers, their basic characteristics. Counterblow hammers.
- Presses, their basic characteristics.
- Rolling. Equipment and products.
- Extrusion. Classification, main parameters.
- Wire and rod drawing. Process variables, die design.
- Open-die forging. Application, advantages. Basic Open-die forging operations.
- Extrusion. Practice, typical defects
- Main operation of the forging. Main stages of forging process planning.
- Upsetting and heading. Upsetting practice. Cogging, drawing out, breaking dawn.
- Close-die forging. Classification. Comparison of the open-die and close-die forging.
- Open-die forging. Bending. Piercing and punching
- Design of forging drawing. Selection of parting plane. Edge and fillet radiuses.
- Stages of close-die forging process. Flash at close-die forging and its function.
- Design of forging drawing. Allowances, tolerances and flooding.
- Multy-cavity close-die forging. Types of preliminary impressions
- Determination of a quantity and types of preliminary impressions for multy-cavity close-die forging. Mass distribution diagram
- Closed die forging without flash
- Typical Forging operation Sequence.
- Auxiliary operations for forging
- Forging defects
- Specialized metalworking processes. Orbital forging, radial forging, roll forging, horizontal upsetting.
Laboratory work reports.
