618-2043/01 – Practicum in molding and casting technology I (PFLT I)
| Gurantor department | Department of Metallurgy and Foundry | Credits | 7 |
| Subject guarantor | doc. Ing. Petr Lichý, Ph.D. | Subject version guarantor | doc. Ing. Jiří Hampl, Ph.D. |
| Study level | undergraduate or graduate | Requirement | Compulsory |
| Year | 2 | Semester | summer |
| | Study language | Czech |
| Year of introduction | 2014/2015 | Year of cancellation | 2021/2022 |
| Intended for the faculties | FMT | Intended for study types | Bachelor |
Subject aims expressed by acquired skills and competences
Acquired knowledge
- Handmade non-permanent mold forms on the free model
- the principles of formation model and filling sand mixture
- Formation of the undivided and divided model on a flat surface and shape dividing
Acquired skills
- student bude umět zhotovit netrvalé formy formováním na volný model.
- student bude umět připravit formovací směs k výrobě forem a jader
Teaching methods
Individual consultations
Tutorials
Summary
The course focuses on the mastering of the production of non-permanent molds for casting using a split-split model.
Compulsory literature:
[1] ALTMANN, W. Practical Process Control for Engineers and Technicians, 1st Edition. Elsevier, 2005
Recommended literature:
Way of continuous check of knowledge in the course of semester
E-learning
http://www.fmmi.vsb.cz/cs/urceno-pro/studenty/podklady-ke-studiu/studijni-opory
Other requirements
elaboration of semestral project
Prerequisities
Subject has no prerequisities.
Co-requisities
Subject has no co-requisities.
Subject syllabus:
1. The essentials of mold manufacturing , types of molding boxes , molding tools , tools .
2. The essentials of hand shaping , preparing sand mixture proportioning binders and additives , preparation model , core sand mixtures and filling , compacting sand mixtures .
3. Manual mold making, green sand molding , testing the properties of molding sand - strength , permeability , water content.
4. Hand molding undivided model on a flat parting surface, forming a split model.
5. Formation of the shape dividing surface - to staggered . Formation of the loose parts - wedges.
6. Making molds using genuine nuclei , production of cores in the core , degassing units, types of cores .
7. Forming into several frames. Forming the shape of broken castings.
8. Forming into several frames with side disassembling the mold.
9. Special cases of formation in terms of casting , reverse casting mold bunk odléní into multiple frames.
10. Structure and function of gating - hole , stake , cuts, pads , exhausts, chills .
11.Foundry properties of metallic alloys, download, fluidity zabíhavost.Technologické Casting properties.
12. Casting metal into sand molds , a design of the method of molding and casting gating system , riser - draft size and location of the boss . The choice of gating by the cast material.
13. Basic processes of finishing of castings. Finishing, blasting, cutting, grinding and chiselling .
Conditions for subject completion
Occurrence in study plans
Occurrence in special blocks
Assessment of instruction