Wavelet Denoising and Local Mean Decomposition (WDLMD) decompose the vibration signals obtained experimentally into Product Functions (PFs). The most important PFs that reveal chatter information are chosen from among these. These well-known combined to create a signal depicts real-time discourse. Following prediction model for Chatter Index (CI) was established utilising reconstructed signal. ...

The purpose of this study is to improve the attitude discipline and student performance learning outcomes in Lathe Machining Techniques by using Project Base Learning (PjBL) class XII TPM-D students Engineering Skills Competencies State Vocational School 2 Surakarta even semester 2019/2020 school year. research procedure used Classroom Action Research procedures. Through method can for year fro...