BBT shank Taper Arbor

1, -185 ℃ daawaynta qaboojinta qoto dheer ee aadka u dheer, si ku dhawaad ​​dhammaan isbeddelka Austenite ee ka qaybqaata ee martensite;
2. Roobka ee qaybaha carbide nanoscale, kordhi a engegnaanta iyo adkaanta;
3. Yaree ka qaybgalka stress, xidho iska caabin si weyn u hagaagay;