Pengaruh Kecepatan Potong Terhadap Keausan Mata Pahat Karbida DNMG 150404 Dalam Proses Pembubutan Baja AISI 1020

Abstrak

[The Effect of Cutting Speed ​​on Wear of Dnmg 150404 Carbide Cutting Tool in Turning Process of Aisi 1020 Steel]. Turning process is a critical machining method in the manufacturing industry, where tool wear determines product quality. This study aims to analyze the effect of cutting speed (Vc) variations on the wear rate of DNMG 150404 carbide cutting tools on AISI 1020 steel with a constant cutting length of 600 mm. The fixed parameters used are a feed rate of 0.16 mm/rev and a cutting depth of 1 mm. Tests were carried out with variations (Vc) of 30, 40, 70, 100, and 170 m/min. The results showed that an increase in cutting speed was directly proportional to the tool wear rate (VB). At optimal conditions (Vc) of 30 m/min), the lowest wear value was recorded at 0.05 mm. Meanwhile, at the highest speed (170 m/min), the wear value increased to 0.29 mm. Although all test results are still below the ISO 3685 standard threshold (0.3 mm), the data trend confirms that cutting speed induces thermal loads that accelerate the degradation of the carbide tool material.

Kata kunci

• Keausan pahat
• baja AISI 1020
• kecepatan potong
• pahat karbida
• pembubutan