An experimental study on the tribological performance of tool materials in micro-cutting 1Cr18Ni9Ti

Considering the tribological characteristics of the micro-cutting, an approach that divided the micro-cutting area into four parts based on the contact stress and speed was proposed to the friction performance research. Friction tests under different conditions were carried out on a UMT3 tribometer and a special tribometer assembled based on HAWK TC-150 turning lathe. The morphological analyses of the worn surface were made by optical microscope and scanning electron microscope. The experimental results indicated that different rubbing pairs had different friction properties under different speeds or loads; for stainless steel, high speed steel showed a better friction performance in low speed and load, while cemented carbide has more advantages in high speed or high load. Hence, a suitable choice principle was proposed for the micro-cutting tool material based on the tribological characteristic.