ABSTRACT The purpose of this work is to make one of the many heat treatments devices- Jominy end quenching testing machine of manufacturing processes. In the process, cases and related topics are going to be considered; necessary information to give the reader in-depth knowledge and understanding into the issue will be elaborated. The idea of this project is to design a Jominy end quench testing machine which will be safe, ease to use, simple to understand, able to be managed by one person if needed, have a clear view of the heat treatment process while in operation, economic, have a low maintenance cost, durable, meets all CE standards and will be suitable for manufacturing. Materials for this thesis was sourced via several means including Finnish Standards Association SFS, world wide web, books and materials on heat treatments as well as one on one conversations with experts in this field. At the end of this project, the reader should have a good insight and understanding of the idea behind heat treatments and Jominy end quenching test. A major part of this work involved the project drawings using 3D software of choice-Pro Engineer wildfire. This required a good knowledge of the programme and technical drawings as a manual of a step by step process to produce the said machine by means of the drawings in 2D and 3D formats will be made available. It should also be stated that while this is a project with customized dimensions, design and style, I examined some existing machines and considered their advantages, limitations and the simplest way to apply concepts which are cost efficient to my design. Keywords Pages Jominy test, design,…