This research is based on students' learning difficulties in basic CNC courses. Therefore, the purpose of this study is (1) to find out what are the learning difficulties of students in basic CNC c…
This study aims to determine the application of Occupational Safety and Health (K3) of class XI students during lathe practice in the Workshop of the Department of Mechanical Engineering SMK Negeri…
Penelitian ini merupakan penelitian quasi eksperiment (eksperimen semu) dengan pendekatan kuantitatif dan desain penelitian tipe one group pretest-posttest atau tes awal – tes akhir kelompok tung…
Pack carburizing is a heat treatment process using carbon content as an element to increase the mechanical properties of steel which is used to harden the steel surface. This research uses low carb…
Penelitian ini bertujuan untuk mengetahui minat belajar mahasiswa pendidikan teknik mesin pada mata kuliah gambar teknik. Populasi pada penelitian ini adalah mahasiswa pendidikan teknik mesin angka…
Each heat treatment process on steel will experience a change in the structure of the material which will open the corrosion gap. Corrosion is a major problem that often occurs, some of the damage …
This study used an experimental method which included the corrosion rate process in conventional lathe using soursop leaf extract as a cooling medium, then testing was carried out using 66% sulfuri…
Pembubutan facing merupakan salah satu dari banyak macam pembubutan. Tujuan penelitian ini adalah untuk mengetahui kekasaran permukaan benda kerja dan mengetahui hasil laju korosi setelah mengetahu…
Penelitian ini menggunakan metode eksperimen yang meliputi proses pengelasan titik (Resistance Spot Welding), kemudian pengujian tarik.tujuan dari peneltian ini adalah untuk mengetahui nilai kekuat…
This study uses an experimental method. which includes the turning process using pending media from guava leaf extract, then carried out with a corrosive testing process. The concentration of cooli…
Medium carbon steel has a carbon content of about 0.42% to 0.60%. In use, carbon steel is being used as a component of automobile axles, crankshafts, boiler rails. The purpose of this study was to …
This type of research is associative research with a quantitative approach which aims to determine the influence of the teacher's role and workshop facilities on the learning interests of students …
Penelitian ini adalah proses perlakuan panas (heat treatment) dengan menggunakan dua perlakuan, pack carburizing lalu dilanjutkan proses quenching. Pack carburizing merupakan salah satu jenis perla…
This study aims to describe equipment planning, describe the organizational structure of the workshop, find out the implementation of equipment management, describe the supervision of equipment man…
Steel material is a type of material that is often used, especially in the industrial sector because it has tough strength, and is economical. One of the steel materials is AISI 1045 steel which is…
Entrepreneurship is a process of creating something that has added value and economic value. interest is an urge to do something because there is a desire to achieve a certain goal, while Metal Cas…
Penelitian ini bertuuan untuk mengetahui pelaksaan dan kelayakan K3 di dalam bengkel teknik kendaraan ringan dan sepeda motor di SMK Negeri 1 Belitang Madang Raya. Penelitian ini merupakan peneliti…
This study aims to determine the effect of knowledge of occupational safety and health subjects (OHS) and learning outcomes on work readiness of students majoring in motorcycle business engineering…
MATA KULIAH PRAKTIK CNC SALAH SATU MK YANG WAJIB DIKUASAI OLEH MAHASISWA PROGRAM STUDI PENDIDKAN TEKNIK MESIN FKIP UNSRI. FAKTOR RENDAHNYA HASIL BELAJAR MAHASISWA DIKARENAKAN KESULITAN DALAM MENGIM…
BAJA ST 41 ADALAH BAJA KARBON RENDAH YANG DISEBUT JUGA BAJA LUNAK, BAJA INI MEMILIKI KANDUNGAN KARBON SEBESAR 0,08% - 0,20%. MATERIAL INI BANYAK SEKALI DIGUNAKAN UNTUK PEMBUATAN BAJA BATANGAN, TANG…
Common brass is an alloy of copper and zinc. Common brass hardness is very important in the world of machinery, with quenching treatment will affect the mechanical properties of common brass. This …
Baja ST 30 memiliki kandungan karbon kurang dari 0,30 % sehingga memiliki sifat yang lunak dan kekuatan yang lemah dibandingkan baja karbon menengah dan baja karbon tinggi. Quenching merupakan suat…
Inhibitor yaitu suatu zat yang jika ditambahkan dalam jumlah sedikit dapat menghambat laju korosi. Penelitian ini menggunakan inhibitor daun rambutan yang diberikan pada spesimen baja AISI 1045 den…
Quenching merupakan proses perlakuan panas dimana logam akan dipanaskan hingga berada di suhu austenit dengan pendinginan secara cepat. Penelitian ini bertujuan untuk mengetahui pengaruh media pend…
Penelitian ini bertujuan untuk mengetahui perbandingan kekuatan tarik, dan struktur mikro pada material baja karbon sedang AISI 1050 setelah dilakukan pengelasan GMAW dengan kampuh X dan arus listr…
This research uses an experimental method which includes a turning process by varying the type of tool and the concentration of papaya leaf extract coolant, then corrosion testing is carried out. T…
The development of the industrial world, especially in the material sector, has its own problems, especially the hardness of brass material. The hardness of the brass material needs to be increased…
A composite material is a material consisting of two or more material components, to produce new properties that are better than the previous material. The composite materials used in this study ar…
ABSRTAK Dengan pemberian cairan pendingin larutan tembaga serta larutan aquadhes pada saat proses quenching dapat memperlambat proses laju korosi Baja ST 37. penelitian ini menggunakan metode penel…
This research is motivated by corrosion that can occur at any time and cannot be avoided, especially in steel, but the corrosion rate can be controlled so that the workpiece can be used longer. Thi…