Lontar Jurnal Teknik Mesin Undana (LJTMU) is a forum for channeling aspirations for research results in the field of mechanical engineering. For this reason, a code of ethics must be fulfilled by authors who will publish their scientific articles in mechanical engineering journals:

1. The articles reviewed support and contain the scientific method
2. The published articles are in the form of research/thoughts whose field of knowledge is appropriate or relevant to the Lontar Jurnal Teknik Mesin Undana (LJTMU) field of knowledge, namely Mechanical Engineering.
3. Published articles are free from fabrication, falsification of data and plagiarism / auto plagiarism.
4. Authors are required to include adequate citations for all statements, ideas, data, which are not the result of their research.
5. Published articles do not cause conflict with certain parties or have the potential to disturb the public.
6. The authors listed on published articles are truly competent and have made significant contributions to writing the article.
7. The author does not double publish the article to be published (double manuscript submission) to a journal or other publication facility, simultaneously (simultaneously).
8. Parts or all of the articles published have never been published in other publication facilities.
9. Published articles are original research results, ideas or thoughts of the author